US Pat. No. 9,795,047

ELECTRONIC APPARATUS AND METHOD FOR ASSEMBLING THEREOF

CHICONY POWER TECHNOLOGY ...

1. An electronic apparatus, including:
a case having an accommodating space, and one side of the case having an opening;
an integrated circuit module disposed in the accommodating space;
a cable inserted in the opening and electrically connected with the integrated circuit module; and
a fastener component disposed in the accommodating space and adjacent to the opening, the fastener component comprising:
a first fastening portion connecting and securing the cable; and
a second fastening portion connecting and fixing the integrated circuit module,
wherein the cable has a positioning plate, and the cable is secured in the first fastening portion through the positioning
plate.

US Pat. No. 9,948,189

POWER CONVERSION DEVICE AND METHOD FOR CORRECTING DECISION THRESHOLD LEVEL THEREOF

CHICONY POWER TECHNOLOGY ...

1. A method for correcting decision threshold level of a power conversion device comprising:a) fixing an output current of the power conversion device;
b) monitoring a real decision threshold level of the power conversion device, wherein the real decision threshold level of the power conversion device is a voltage which the power conversion device departs from a burst mode;
c) providing a variable resistor, wherein the variable resistor is electrically connecting to the power conversion device; and
d) adjusting a preset decision threshold level by varying a resistance of the variable resistor based on a comparison between the real decision threshold level and the preset decision threshold level to make the preset decision threshold level be equal to the real decision threshold level.

US Pat. No. 9,198,319

MODULAR POWER DEVICE

CHICONY POWER TECHNOLOGY ...

1. A modular power device is used for mounting on a main plate, the modular power device comprising:
a first substrate having a first axial direction and a second axial direction perpendicular to the first axial direction,
the first substrate inserted into the main plate, such that the second axial direction is perpendicular to the main plate;

a driving module placed on one side of the first substrate and electrically connected to the first substrate; and
a converting module located on the other side of the first substrate and electrically connected to the driving module, the
converting module comprising:

a second substrate inserted into the main plate and perpendicular to the main plate;
a third substrate located between the first substrate and the second substrate;
a converting unit disposed on the first substrate;
a controlling unit placed on the second substrate and electrically connected to the second substrate;
a signal transmitting unit placed on the third substrate and electrically connected to the third substrate for electrically
connecting the controlling unit and the converting unit; and

an outputting unit electrically connected to main plate;
wherein a length of the converting module is equal to that of the first substrate in the first axial, and a width of the converting
module is smaller than a length of first axial direction of the first substrate.

US Pat. No. 9,350,262

SYNCHRONOUS RECTIFIER CONTROLLING MODULE AND METHOD FOR CONTROLLING A SYNCHRONOUS RECTIFIER

CHICONY POWER TECHNOLOGY ...

1. A synchronous rectifier controlling module configured to control a synchronous rectifier electrically connected to a secondary
winding of a power transformer, the synchronous rectifier comprising a plurality of switch groups, and each of the switch
groups comprising a plurality of power switches, the synchronous rectifier controlling module comprising:
a signal-processing unit electrically connected to the secondary winding, the signal-processing unit configured to measure
a current flowing through the secondary winding and determine operation modes of the power switches of each of the switch
groups; and

a plurality of driving units electrically connected to the power switches of each of the switch groups and the signal-processing
unit;

wherein when the current is smaller than a first determined level, the synchronous rectifier controlling module makes one
power switch of each switch groups turn on and off by following a waveform of a driving signal outputted from each driving
unit, when the current is larger than a second determined level, the synchronous rectifier controlling module makes all of
the power switches of each of the switch groups turn on and off by following the waveform of the driving signal, and when
the current is increased from the first determined level to the second determined level, the synchronous rectifier controlling
module makes an amount of the power switches of each of the switch groups turn on and off by following the driving signal
increase accordingly.

US Pat. No. 9,312,784

VARIABLE SWITCHING FREQUENCY POWER SUPPLY APPARATUS

Chicony Power Technology ...

1. A variable switching frequency power supply apparatus comprising:
a main transformer;
a voltage detection unit electrically connected to the main transformer;
a pulse width modulation control unit electrically connected to the voltage detection unit; and
a switch unit electrically connected to the pulse width modulation control unit and the main transformer,
wherein the main transformer transforms an input voltage into an output voltage according to a switching frequency of the
switch unit; the voltage detection unit detects the input voltage and then informs the pulse width modulation control unit;
the pulse width modulation control unit is configured to control the switching frequency of the switch unit according to a
voltage absolute value of the input voltage,

wherein when the voltage absolute value of the input voltage is increasing and is larger than a first threshold voltage value,
the pulse width modulation control unit is configured to control the switching frequency of the switch unit, so that the switching
frequency of the switch unit is a first frequency,

wherein when the voltage absolute value of the input voltage is increasing and is not larger than the first threshold voltage
value, the pulse width modulation control unit is configured to control the switching frequency of the switch unit, so that
the switching frequency of the switch unit is not changed,

wherein when the voltage absolute value of the input voltage is decreasing and is smaller than a second threshold voltage
value, the pulse width modulation control unit is configured to control the switching frequency of the switch unit, so that
the switching frequency of the switch unit is a second frequency,

wherein when the voltage absolute value of the input voltage is decreasing and is not smaller than the second threshold voltage
value, the pulse width modulation control unit is configured to control the switching frequency of the switch unit, so that
the switching frequency of the switch unit is not changed,

wherein the first threshold voltage value is larger than the second threshold voltage value; the first frequency is smaller
than the second frequency; the pulse width modulation control unit is configured to control the switching frequency of the
switch unit by a hysteresis effect.

US Pat. No. 9,967,942

LIGHT EMITTING DIODE DRIVING SYSTEM AND BURNING METHOD THEREOF

CHICONY POWER TECHNOLOGY ...

1. A light emitting diode driving system, comprising:an infrared ray burning device; and
a light emitting diode driving device configured to drive a light emitting diode, wherein the light emitting diode driving device comprises:
an infrared ray receiving unit configured to receive a burning signal transmitted by the infrared ray burning device;
a signal transforming unit electrically coupled with the infrared ray receiving unit;
a storage unit electrically coupled with the signal transforming unit;
a pulse width modulating unit electrically coupled with the signal transforming unit; and
a diode driving unit electrically coupled with the pulse width modulating unit;
wherein the signal transforming unit transforms the burning signal into a current control command and transmits the current control command to store in the storage unit; the signal transforming unit generates a current control signal according to the current control command stored in the storage unit and transmits the current control signal to the pulse width modulating unit; the pulse width modulating unit generates a pulse width modulation output current control signal according to the current control signal received by the pulse width modulating unit and transmits the pulse width modulation output current control signal to the diode driving unit; and the diode driving unit drives the light emitting diode by the pulse width modulation output current control signal;
wherein the current control command comprises a magnitude of an output current to be burned into the light emitting diode driving driver.

US Pat. No. 9,312,754

POWER SUPPLY APPARATUS WITH REDUCING VOLTAGE OVERSHOOTING

CHICONY POWER TECHNOLOGY ...

1. A power supply apparatus with reducing voltage overshooting, the power supply apparatus applied to a dynamic load, and
comprising:
a voltage generating unit;
a voltage gain control unit electrically connected to the voltage generating unit;
a voltage output side electrically connected to the voltage generating unit and the dynamic load; and
a voltage detection unit electrically connected to the voltage gain control unit and the voltage output side,
wherein the voltage generating unit generates a standard output voltage and sends to the voltage output side; the voltage
detection unit detects a voltage of the voltage output side and informs the voltage gain control unit;

wherein when the voltage of the voltage output side is decreasing due to the dynamic load, the voltage gain control unit is
configured to control the voltage generating unit to increase a gain of a voltage generated by the voltage generating unit,
so that a slope of the voltage generated by the voltage generating unit is increasing, and the voltage generated by the voltage
generating unit is increasing until the voltage generated by the voltage generating unit is equal to a first voltage; the
first voltage is lower than the standard output voltage;

wherein then, the voltage generating unit stops outputting the voltage, so that the voltage of the voltage output side is
decreasing until the voltage of the voltage output side is equal to a second voltage; the second voltage is lower than the
first voltage;

wherein then, the voltage gain control unit is configured to control the voltage generating unit to decrease the gain of the
voltage generated by the voltage generating unit, so that the slope of the voltage generated by the voltage generating unit
is decreasing, and the slope of the voltage generated by the voltage generating unit is lower than the slope of the voltage
generated by the voltage generating unit at a timing when the gain of the voltage generated by the voltage generating unit
is increased; then the voltage generated by the voltage generating unit is increasing until the voltage generated by the voltage
generating unit is equal to the standard output voltage.

US Pat. No. 9,217,456

WATERPROOF, DUSTPROOF, BREATHING BOLT

CHICONY POWER TECHNOLOGY ...

1. A waterproof, dustproof, breathing bolt, comprising:
a bolt body comprising a hollow shank and a cap member fixedly mounted at a top side of said hollow shank, said hollow shank
comprising a breathing chamber downwardly extending from a bottom side thereof and anchoring means located at the periphery
thereof for mounting, said cap member defining therein an air passage in communication with said breathing chamber and at
least one opening in communication between said air passage and the surroundings; and

a waterproof breathing member made out of a metal material by powder metallurgy and set in between said breathing chamber
and said air passage, said waterproof breathing member comprising a plurality of micro pores of size larger than air molecules
but smaller than water molecules, wherein said waterproof breathing member has a base portion and an extension portion protruded
from the base portion;

wherein said hollow shank further includes a breathing passage in communication between said breathing chamber and said air
passage and adapted for accommodating said waterproof breathing member, and said base portion is located in said breathing
chamber and a part of said extension portion protrudes out of said breathing passage to be located in the said breathing chamber.

US Pat. No. 9,322,985

LIGHT EMITTING STRUCTURE AROUND A KEYBOARD BACKLIGHT MODULE

CHICONY POWER TECHNOLOGY ...

1. A light emitting structure around a keyboard backlight module, comprising a backlight module which is provided with a light
guiding plate, a predetermined light source disposed at least one side of said light guiding plate to project light toward
said light guiding plate to enable said light guiding plate lighting, and a reflecting layer having flat shape and disposed
at a side surface of said light guiding plate, and a light blocking layer having at least one transparent film and disposed
at other side surface of said light guiding plate opposite to said reflecting layer, a light absorbing layer formed on outer
side surface of said transparent film, and a deflection portion formed by bending said transparent film at peripheral of said
light absorbing layer and adjacent to said light guiding plate toward said reflecting layer, and said deflection portion bent
inwardly to enable said light emitting from lateral portion of said light guiding plate to pass through to form a light emitting
area at peripheral of said backlight module, a positioning portion having flat shape formed by extending said transparent
film outwardly to adjacent to said reflecting layer, an adhesive layer formed between said positioning portion and said light
blocking layer for binding said positioning portion and said reflecting layer.

US Pat. No. 9,271,419

MODULAR POWER DEVICE

CHICONY POWER TECHNOLOGY ...

1. A modular power device is used for mounting on a main plate, the modular power device comprising:
a first substrate having a first axial direction and a second axial direction perpendicular to the first axial direction,
the first substrate inserted into the main plate, such that the second axial direction is perpendicular to the main plate;

a driving module placed on one side of the first substrate and electrically connected to the first substrate;
a converting module located on the other side of the first substrate and electrically connected to the driving module, the
converting module comprising:

a second substrate, one end of the second substrate inserted into the main plate, such that the second substrate is perpendicular
to the main plate;

a third substrate located between the first substrate and the second substrate;
a fourth substrate located at one side of the second substrate opposite to where the third substrate being disposed, and one
end of the fourth substrate inserted into the main plate and perpendicular to the main plate;

a converting unit disposed on the first substrate;
a controlling unit placed on the second substrate and electrically connected to the second substrate;
a signal transmitting unit placed on the third substrate and electrically connected to the third substrate for electrically
connecting the controlling unit and the converting unit; and

an outputting unit placed on the fourth substrate and electrically connected to the fourth substrate; and
an intermediate plate, wherein the other end of the second substrate opposite to where the second substrate is inserted to
the main plate is inserted into the intermediate plate, and the other end of the fourth substrate opposite to where the fourth
substrate is inserted to the main plate is inserted into the intermediate plate;

wherein a length of the converting module is equal to that of the first substrate in the first axial, and a width of the converting
module is smaller than a length of first axial direction of the first substrate.

US Pat. No. 9,161,410

LIGHT EMITTING DIODE DRIVING APPARATUS WITH VARIABLE OUTPUT CURRENT AND METHOD FOR THE SAME

CHICONY POWER TECHNOLOGY ...

1. A light emitting diode driving apparatus applied to at least a light emitting diode and a user setting unit, the light
emitting diode driving apparatus comprising:
a light emitting diode driving unit electrically connected to the light emitting diode;
a pulse width modulation control unit electrically connected to the light emitting diode driving unit and the user setting
unit; and

a dimming unit electrically connected to the pulse width modulation control unit,
wherein the user setting unit sends a user side setting signal to the pulse width modulation control unit; the dimming unit
sends a dimming signal to the pulse width modulation control unit; the pulse width modulation control unit multiplies a value
of the user side setting signal by a value of the dimming signal to obtain a pulse width modulation output current control
signal; the pulse width modulation control unit sends the pulse width modulation output current control signal to the light
emitting diode driving unit; the light emitting diode driving unit multiplies a value of the pulse width modulation output
current control signal by a value of a maximum output current of the light emitting diode driving unit to obtain a light emitting
diode pulse width modulation driving current; the light emitting diode driving unit drives the light emitting diode by the
light emitting diode pulse width modulation driving current; the user side setting signal is less than 1; the pulse width
modulation output current control signal is used to control a percentage of the maximum output current of the light emitting
diode driving unit.

US Pat. No. 9,641,096

ENERGY-SAVING POWER SUPPLY APPARATUS

Chicony Power Technology ...

1. An energy-saving power supply apparatus comprising:
a bridge rectifier;
a diode bypass circuit electrically connected to the bridge rectifier;
a control circuit electrically connected to the diode bypass circuit and the bridge rectifier; and
a negative temperature coefficient thermistor electrically connected to the diode bypass circuit and the bridge rectifier,
wherein after the control circuit receives a power start signal, the control circuit is configured to control the diode bypass
circuit;

wherein the bridge rectifier comprises:
a first diode electrically connected to the diode bypass circuit and the control circuit; and
a second diode electrically connected to the first diode,
wherein the diode bypass circuit comprises:
a first switch electrically connected to the bridge rectifier and the control circuit,
wherein when a power is in a first polarity cycle and a voltage absolute value of the power is not greater than a predetermined
voltage value, the control circuit is configured to turn off the first switch, so that a path of the power is: the first diode,
a load apparatus, the negative temperature coefficient thermistor, the second diode and an alternating current power supply
apparatus;

wherein when the power is in the first polarity cycle and the voltage absolute value of the power is greater than the predetermined
voltage value, the control circuit is configured to turn on the first switch, so that the path of the power is: the first
diode, the load apparatus, the first switch and the alternating current power supply apparatus.

US Pat. No. 9,425,646

FAST CHARGING APPARATUS

CHICONY POWER TECHNOLOGY ...

1. A fast charging apparatus applied to an alternating current power supply apparatus and an electronic apparatus, the fast
charging apparatus comprising:
a power conversion unit electrically connected to the alternating current power supply apparatus and the electronic apparatus;
a feedback module electrically connected to the power conversion unit;
a feedback adjustment module electrically connected to the feedback module; and
a voltage mode fast charging signal processing module electrically connected to the electronic apparatus and the feedback
adjustment module,

wherein the voltage mode fast charging signal processing module receives a voltage mode fast charging signal if the electronic
apparatus sends the voltage mode fast charging signal to the voltage mode fast charging signal processing module; the voltage
mode fast charging signal processing module sends the voltage mode fast charging signal to the feedback adjustment module;
the feedback adjustment module sends the voltage mode fast charging signal to the feedback module; therefore, the feedback
module informs the power conversion unit to increase a charging power for the electronic apparatus;

wherein the power conversion unit comprises a pulse width modulation controller; the pulse width modulation controller is
electrically connected to the feedback module; the pulse width modulation controller comprises an electronic apparatus current
fast charging signal detection unit;

wherein a current flowing through the electronic apparatus is changed to be a current mode fast charging signal if the electronic
apparatus changes a specific load of the electronic apparatus; the electronic apparatus current fast charging signal detection
unit informs the power conversion unit to increase the charging power for the electronic apparatus if the electronic apparatus
current fast charging signal detection unit detects the current mode fast charging signal;

wherein the power conversion unit further comprises a transformer module electrically connected to the pulse width modulation
controller and a primary side rectifier electrically connected to the alternating current power supply apparatus.

US Pat. No. 9,214,770

POWER SOCKET AND ADAPTOR HAVING THE SAME

CHICONY POWER TECHNOLOGY ...

1. A power socket connecting with a plurality of conductive wires, the power socket, comprising:
an insulating base, including a base body, an extension protruded outwardly from the base body, a slot formed on an end surface
of the base body, a plurality of through holes formed on the extension and interconnected with the slot, and a penetrating
hole formed on the extension and at a position corresponding to each respective through hole and penetrating through the through
hole, wherein the plurality of conductive wires are inserted into the penetrating hole, and the plurality of conductive wires
are formed with a bending section close to an opening of the penetrating hole; the penetrating hole has an axis perpendicular
to an axis of the through hole; and

a plurality of conductive pins, embedded into the through hole, and an end of each conductive pin being exposed from the slot,
and the other end of each conductive pin being formed on an inner side of the through hole,

wherein the conductive pin includes a conducting end, a fixing section extended from the conducting end, and a soldering end
formed at an end of the fixing section, wherein diameters of the soldering end and the fixing section are larger than that
of the conducting end; the fixing section is embedded into the through hole, and the conducting end is exposed from the slot,
wherein the soldering end is formed at an intersection of the penetrating hole and the through hole.

US Pat. No. 9,844,110

CURRENT ADJUSTMENT APPARATUS FOR LED LIGHTING FIXTURE

Chicony Power Technology ...

1. A current adjustment apparatus for light emitting diode (LED) lighting fixture, comprising:
a communication interface;
a current generating module comprising
a microprocessor;
a memory electrically connected to the microprocessor and configured to store a current setting parameter; and
a current generating unit electrically connected to the microprocessor and configured to generate a driving current for driving
the LED lighting fixture; and

a current adjustment module configured to generate a setting signal and a writing signal;
wherein the microprocessor makes the current generating unit generate the driving current with particular level in response
to the current setting parameter when the current adjustment module is not physically connected to the current generating
module;

the microprocessor makes the current generating unit generate the driving current with another particular level in accordance
with the setting signal when the current generating module is physically connected to the current adjustment module and the
microprocessor receives the setting signal via the communication interface; and

the microprocessor further overwrites the current setting parameter in accordance with the setting signal when the microprocessor
receives the writing signal via the communication interface.

US Pat. No. 9,502,965

BURST MODE POWER SUPPLY METHOD AND BURST MODE POWER SUPPLY APPARATUS

CHICONY POWER TECHNOLOGY ...

1. A burst mode power supply method comprising:
a. fixing a pulse quantity of each of burst clumps of a power supply apparatus (10), a pulse frequency of each of the burst clumps of the power supply apparatus (10) and a pulse duty cycle of each of the burst clumps of the power supply apparatus (10) when the power supply apparatus (10) works in a burst mode,

wherein the pulse frequency of each of the burst clumps and the pulse duty cycle of each of the burst clumps are the same
in the burst mode; only a burst frequency of the burst clump is changed according to a load (20) in the burst mode; the burst frequency increases if the load (20) increases in the burst mode thus rendering a quantity of the burst clumps increases; the burst frequency decreases if the
load (20) decreases in the burst mode thus rendering the quantity of the burst clumps decreases.

US Pat. No. 9,325,246

FLYBACK APPARATUS WITH VOLTAGE SUPERPOSITION CIRCUIT AND OVERPOWER PROTECTION

CHICONY POWER TECHNOLOGY ...

1. A power supply apparatus with an over power protection function, the power supply apparatus comprising:
a main converter;
a voltage superposition circuit electrically connected to the main converter;
a voltage detection circuit electrically connected to the main converter and the voltage superposition circuit; and
a pulse width modulation controller electrically connected to the main converter and the voltage detection circuit,
wherein the main converter comprises a sensing resistor electrically connected to the voltage detection circuit;
wherein the voltage detection circuit detects a sensing voltage of the sensing resistor; the voltage superposition circuit
supplies a superposition voltage to the voltage detection circuit when an output voltage of the power supply apparatus is
less than a predetermined output voltage, and then the voltage detection circuit sends the sensing voltage and the superposition
voltage to the pulse width modulation controller; the pulse width modulation controller is configured to turn off the main
converter when the sensing voltage plus the superposition voltage is greater than an over power protection voltage.

US Pat. No. 9,246,396

POWER SUPPLYING DEVICE WITH LOW STANDBY POWER CONSUMPTION

CHICONY POWER TECHNOLOGY ...

1. A power supplying device with low standby power consumption electrically connected to an alternative power (AC) supplier
and an electronic system, the power supplying device with low standby power consumption receiving an AC electric power outputted
by the AC supplier and outputting a converted electric power to the electronic system, the power supplying device with low
standby power consumption comprising:
a rectifier comprising a power factor correction circuit, the rectifier used for converting the AC electric power into a direct
current (DC) electric power, the power factor correction circuit correcting the rectified DC electric power for decreasing
the inputting current;

a power converter electrically connected to the rectifier and comprising a first electric power outputting terminal and a
standby electric power outputting terminal, the electronic system electrically connected to the standby electric power outputting
terminal, the power converter receiving the DC electric power decreasing the inputting current and outputted from the rectifier;

a controller electrically connected to the power converter;
a power manager electrically connected to the controller and the electronic system; and
a switch component electrically connected to the first electric power outputting terminal, the power manager, and the electronic
system, the switch component conducting or cutting-off an electric power outputted from the first electric power outputting
terminal according to controls of the power manager,

wherein when the electronic system is operated in a standby mode, the power manager makes the switch component open, such
that the electric power outputted from the first electric power outputting terminal does not transmit to the electronic system.

US Pat. No. 9,196,973

SOLAR JUNCTION BOX AND WIRE CONNECTING STRUCTURE THEREOF

CHICONY POWER TECHNOLOGY ...

1. A wire connecting structure of a solar junction box, for connecting two conducting terminals, comprising:
a printed circuit board;
a plurality of first conductive tongues, separated apart from one another and perpendicularly plugged onto the printed circuit
board;

a plurality of solar panels conducting plates, combined to the first conductive tongues respectively, and each of the solar
panel conducting plates including an extension plate coupled to the solar panel and a U-shaped snap-in plate bent and extended
from the extension plate, and each of the U-shaped snap-in plates being sheathed on each of the corresponding first conductive
tongues;

a plurality of insulators, sheathed on the solar panel conducting plates respectively; and
a pair of second conductive tongues, separated apart from each other and flatly attached onto a side of the printed circuit
board, and the two conducting terminals being respectively and electrically coupled to the pair of second conductive tongues.

US Pat. No. 9,306,447

POWER SUPPLY APPARATUS WITH VARIABLE CIRCUIT LOOP IMPEDANCE

Chicony Power Technology ...

1. A power supply apparatus with variable circuit loop impedance, the power supply apparatus applied to an alternating current
power supply apparatus and a load apparatus, the power supply apparatus comprising:
a power conversion unit electrically connected to the alternating current power supply apparatus and the load apparatus, the
power conversion unit comprising a rectifying subunit and a direct current to direct current conversion subunit, the rectifying
subunit electrically connected to the alternating current power supply apparatus and converting an alternating current power
from the alternating current power supply apparatus into a direct current power, the direct current to direct current conversion
subunit electrically connected to the rectifying subunit and the load apparatus;

a first capacitor electrically connected to the rectifying subunit and the direct current to direct current conversion subunit;
a second capacitor electrically connected to the rectifying subunit and the direct current to direct current conversion subunit,
and electrically connected to the first capacitor in parallel;

a first switch unit electrically connected to the second capacitor; and
a first switch control unit electrically connected to the first switch unit, the power conversion unit and the alternating
current power supply apparatus,

wherein an inrush current is generated when the power conversion unit is just started or the load apparatus is just connected
to the power conversion unit; the inrush current flows to the first capacitor through the rectifying subunit; the first switch
control unit turns off the first switch unit, so that the inrush current is suppressed by the first capacitor,

wherein when the inrush current is not generated and then the power conversion unit is in a working mode, the power conversion
unit sends a power starting signal to the first switch control unit;

after the first switch control unit receives the power starting signal, the first switch control unit turns on the first switch
unit, so that the rectifying subunit outputs the direct current power to the first capacitor and the second capacitor, and
an overall capacitor impedance formed by the first capacitor and the second capacitor is smaller than a first capacitor impedance
formed by the first capacitor,

wherein the power starting signal of the power conversion unit is generated from any connection point between the alternating
current power supply apparatus and the direct current to direct current conversion subunit to be sent to the first switch
control unit.

US Pat. No. 9,772,384

ALTERNATING CURRENT INPUT VOLTAGE DETECTING DEVICE

Chicony Power Technology ...

1. An alternating current (AC) input voltage detecting device electrically connected to an AC power comprising:
a first input electrically connected to a neutral line of the AC power;
a second input electrically connected to a live line of the AC power;
a determining unit comprising a first power switch, a second power switch, an output, a photo-coupler, and two current-limiting
resistors, the first power switch and the second power switch electrically connected in series, and the output coupled to
the second power switch, wherein the photo-coupler comprises a light emitter and a photodetector coupled to the light emitter,
the light emitter is electrically connected to one of the current-limiting resistors connected to the second power switch,
and the photodetector is electrically connected to the output and the other current-limiting resistor;

a first voltage-detecting unit electrically connected to the first input and the first power switch; and
a second voltage-detecting unit electrically connected to the second input and the second power switch,
wherein a signal for indicating that the AC power supplies normally is generated by the determining unit and sent from the
output while a live voltage conducted by the live line and a neutral voltage conducted by the neutral line are normal.

US Pat. No. 9,271,420

MODULAR POWER DEVICE

CHICONY POWER TECHNOLOGY ...

1. A modular power device is used for mounting on a main plate, the modular power device comprising:
a first substrate having a first axial direction and a second axial direction perpendicular to the first axial direction,
one side of the first substrate inserted into the main plate, such that the second axial direction is perpendicular to the
main plate;

a driving module placed on one side of the first substrate and electrically connected to the first substrate; and
a converting module located on the other side of the first substrate and electrically connected to the driving module; the
converting module comprising:

a second substrate parallel to the main plate and the other side of the first substrate being inserted into the second substrate;
a converting unit placed on the second substrate and electrically connected to the second substrate;
a controlling unit placed on the second substrate and electrically connected to the second substrate; and
an outputting unit placed on the second substrate and electrically connected to the second substrate;
wherein a length of the converting module is substantially equal to that of the first substrate in the first axial, and a
width of the converting module is smaller than a length of first axial direction of the first substrate.

US Pat. No. 9,122,295

POWER SUPPLY APPARATUS WITH REDUCING VOLTAGE OVERSHOOTING

Chicony Power Technology ...

1. A power supply apparatus with reducing voltage overshooting, the power supply apparatus applied to a dynamic load, and
comprising:
a voltage generating unit;
a voltage bandwidth control unit electrically connected to the voltage generating unit;
a voltage output side electrically connected to the voltage generating unit and the dynamic load; and
a voltage detection unit electrically connected to the voltage bandwidth control unit and the voltage output side,
wherein the voltage generating unit generates a standard output voltage and sends to the voltage output side; the voltage
detection unit detects a voltage of the voltage output side and informs the voltage bandwidth control unit;

wherein when the voltage of the voltage output side is decreasing due to the dynamic load, the voltage bandwidth control unit
is configured to control the voltage generating unit to decrease a bandwidth of a voltage generated by the voltage generating
unit, so that a slope of the voltage generated by the voltage generating unit is increasing, and the voltage generated by
the voltage generating unit is increasing until the voltage generated by the voltage generating unit is equal to a first voltage;
the first voltage is lower than the standard output voltage;

wherein then, the voltage generating unit stops outputting the voltage, so that the voltage of the voltage output side is
decreasing until the voltage of the voltage output side is equal to a second voltage; the second voltage is lower than the
first voltage;

wherein then, the voltage bandwidth control unit is configured to control the voltage generating unit to increase the bandwidth
of the voltage generated by the voltage generating unit, so that the slope of the voltage generated by the voltage generating
unit is decreasing, and the slope of the voltage generated by the voltage generating unit is lower than the slope of the voltage
generated by the voltage generating unit at a timing when the bandwidth of the voltage generated by the voltage generating
unit is decreased; then the voltage generating by the voltage generating unit is increasing until the voltage generated by
the voltage generating unit is equal to the standard output voltage.

US Pat. No. 9,621,056

METHOD OF CONTROLLING PHASE-SHIFT FULL-BRIDGE CONVERTER IN LIGHT LOAD OPERATION

Chicony Power Technology ...

1. A method of controlling a phase-shift full-bridge (PSFB) converter in a light load operation to switch control modes by
detecting magnetizing current of a transformer of the phase-shift full-bridge converter, the phase-shift full-bridge converter
comprising a full-bridge switching circuit having a first power switch, a second power switch, a third power switch and a
fourth power switch, the method comprising following steps:
(a) operating the PSFB converter in an extended PSFB control mode when the magnetizing current of the transformer compared
to an output choke current mapped to a primary side thereof is larger;

(b) operating the PSFB converter in a modified PSFB control mode when the magnetizing current is gradually reduced until the
electric charge transported by the residual magnetizing current is close to or less than or equal to a half of a DC input
voltage;

(c) implementing the optimal degree of soft driving the PSFB converter to double the magnetizing current under the modified
PSFB control mode; and

(d) when the phase-shift full-bridge converter is operated in the modified PSFB control mode, a second switch control signal
and a third switch control signal being simultaneously converted from low levels to high levels so that the second power switch
and the third power switch are simultaneously turned on, switching losses being jointly burdened by the second power switch
and the third power switch,

wherein the full-bridge switching circuit is not controlled to be operated in a burst mode by a frequency reduction.

US Pat. No. 9,570,228

TRANSFOMER STRUCTURE

CHICONY POWER TECHNOLOGY ...

1. A transformer structure, comprising:
a winding cylinder which is a hollow tube;
at least one limiting ring, which is a ring sheet and able to slide along the winding cylinder and to sleeve on the outside
of the winding cylinder;

a plurality of conductive sheets sleeved on the outside of the winding cylinder, wherein two of the conductive sheets adjacent
to each other are attached to two end surfaces of the at least one limiting ring sandwiched therebetween respectively while
the two of the conductive sheets and an outer surface of the at least one limiting ring sandwiched therebetween form a winding
space; and

at least one winding correspondingly disposed in the winding space and being directly in contact with the two of the conductive
sheets and the outer surface of the at least one limiting ring sandwiched therebetween.

US Pat. No. 9,559,609

INTEGRATED POWER-CONVERTING MODULE

CHICONY POWER TECHNOLOGY ...

1. An integrated power-converting module electrically connected to a direct current electric power, the integrated power-converting
module comprising:
a bobbin comprising a main body, a plurality of winding portions, and a plurality of receiving portions, the main body having
a first channel, the winding parts and the receiving portion arranged in a staggered manner, each receiving portion having
a slot communicating with the first channel;

a primary coil wound on the winding portions;
a magnetic core assembly assembled with the bobbin and partially received in the first channel; and
a plurality of power-converting units arranged in a parallel manner and each of the power-converting units comprising:
a circuit board having a base portion and an expending portion connected to the base portion, a penetrating hole formed on
the expending portion, wherein the extending portions are respectively inserted into the slots, and the penetrating hole is
corresponding to and communicating with the first channel;

a rectifier placed on one of surfaces of the base portion and electrically connected to the circuit board; and
a filter placed on the other surface of base portion opposite to where the rectifier placed on and electrically connected
to the rectifier,

wherein when the direct current electric power is conducted to the primary coil, the magnetic core assembly generates electromagnetic
induction, and a converted power is generated on the power-converting units.

US Pat. No. 9,531,285

PFC POWER SYSTEM WITH POWER MANAGED MAIN AND STANDBY VOLTAGE OUTPUTS

CHICONY POWER TECHNOLOGY ...

1. A power system comprising:
an electronic device;
a power supply device comprising:
a converter having a main power output for outputting a main voltage and a standby power output for outputting a standby voltage,
wherein the standby power output is electrically connected to the electronic device; and

a controller electrically connected to the converter;
a power-managing module communicating with the electronic device and the power supply device, the power managing module comprising:
a switch arranged between the main power output and the electronic device and electrically connected to the main power output
and the electronic device; and

a power manager electrically connected to the electronic device, the switch, and the controller;
wherein when the electronic device is in a standby operation mode, the power manager makes the switch turn off to stop conducting
the main voltage to the electronic device.

US Pat. No. 9,397,556

POWER SUPPLY APPARATUS WITH AUXILIARY BOOST CIRCUIT

CHICONY POWER TECHNOLOGY ...

1. A power supply apparatus applied to an alternating current power supply apparatus and a load apparatus, the power supply
apparatus comprising:
a rectification circuit electrically connected to the alternating current power supply apparatus;
a power factor correction circuit electrically connected to the rectification circuit;
an auxiliary boost circuit electrically connected to the power factor correction circuit; and
a direct current to direct current conversion circuit electrically connected to the auxiliary boost circuit and the load apparatus,
wherein the auxiliary boost circuit comprises:
an input contact electrically connected to the power factor correction circuit;
an output contact electrically connected to the direct current to direct current conversion circuit;
a voltage detection unit electrically connected to the input contact;
a control unit electrically connected to the voltage detection unit and the power factor correction circuit;
a boost unit electrically connected to the input contact, the output contact and the control unit; and
a boost bypass unit electrically connected to the input contact, the output contact, the control unit and the direct current
to direct current conversion circuit,

wherein the alternating current power supply apparatus sends an alternating current power to the rectification circuit; the
rectification circuit rectifies the alternating current power to obtain a direct current power; the rectification circuit
sends the direct current power to the power factor correction circuit; the power factor correction circuit processes the direct
current power to obtain a power factor correction power; the power factor correction circuit sends the power factor correction
power to the input contact;

wherein the voltage detection unit detects the power factor correction power and then informs the control unit the power factor
correction power;

wherein when a voltage value of the power factor correction power is greater than a predetermined voltage value, the control
unit is configured to turn on the boost bypass unit and turn off the boost unit, so that the power factor correction power
is sent to the direct current to direct current conversion circuit through the boost bypass unit and the output contact;

wherein when the voltage value of the power factor correction power is not greater than the predetermined voltage value, the
control unit is configured to turn off the boost bypass unit and turn on the boost unit, so that the boost unit boosts the
power factor correction power and then the power factor correction power is sent to the direct current to direct current conversion
circuit through the boost unit and the output contact.

US Pat. No. 9,252,672

METHOD OF CONTROLLING PHASE-SHIFT FULL-BRIDGE CONVERTER IN LIGHT LOAD OPERATION

CHICONY POWER TECHNOLOGY ...

1. A method of controlling a phase-shift full-bridge (PSFB) converter in a light load operation to switch control modes by
detecting magnetizing current of a transformer of the phase-shift full-bridge converter, the method comprising following steps:
(a) operating the PSFB converter in an extended PSFB control mode when the magnetizing current of the transformer compared
to an output choke current mapped to a primary side thereof is larger;

(b) operating the PSFB converter in a modified PSFB control mode when the magnetizing current is gradually reduced until the
electric charge transported by the residual magnetizing current is close to or less than or equal to a half of a DC input
voltage; and

(c) implementing the optimal degree of soft driving the PSFB converter to double the magnetizing current under the modified
PSFB control mode,

wherein in the step (a), the phase-shift full-bridge converter comprises:
a full-bridge switching circuit having a first power switch, a second power switch, a third power switch, and a fourth power
switch; wherein each of the power switches has a parasitic diode and a parasitic capacitance connected in parallel to the
power switch;

a transformer having one primary-side winding and two secondary-side windings which are a first secondary-side winding and
a second secondary-side winding; wherein the primary-side winding is connected to the full-bridge switching circuit and two
voltage respectively outputted at the first secondary-side winding and the second secondary-side winding according to turn
ratios between the primary-side winding and the first and second secondary-side windings; and

a controller producing corresponding control signals to control the first power switch, the second power switch, the third
power switch, and the fourth power switch;

wherein in the step (c), the switching losses of the second power switch is equal to 0.25×C×Vin2 when the PSFB converter is
operated in the modified PSFB control mode, wherein the C is an equivalent capacitance and Vin is the DC input voltage.

US Pat. No. 9,160,227

POWER SUPPLY APPARATUS WITH LOW STANDBY POWER CONSUMPTION

Chicony Power Technology ...

1. A power supply apparatus applied to an electronic apparatus and an alternating current power apparatus, the power supply
apparatus including:
an output switch unit electrically connected to the electronic apparatus;
a load detecting unit electrically connected to the electronic apparatus and the output switch unit;
an intermittent driving unit electrically connected to the output switch unit and the load detecting unit;
a no-load detecting unit electrically connected to the output switch unit and the intermittent driving unit;
a start unit electrically connected to the intermittent driving unit;
a power factor correction and pulse width modulation controller electrically connected to the start unit and the no-load detecting
unit;

a secondary-side transformer coil electrically connected to the no-load detecting unit and the output switch unit; and
a main converter electrically connected to the alternating current power apparatus, the power factor correction and pulse
width modulation controller, and the secondary-side transformer coil,

wherein the no-load detecting unit is configured to detect that the electronic apparatus is removed from the power supply
apparatus by sensing the secondary-side transformer coil;

wherein the no-load detecting unit is configured to turn off the output switch unit and the power factor correction and pulse
width modulation controller when the electronic apparatus is removed from the power supply apparatus; the intermittent driving
unit is configured to drive the start unit once a pre-determined time; the start unit is configured to drive the power factor
correction and pulse width modulation controller;

wherein the load detecting unit is configured to detect that the electronic apparatus is connected to the power supply apparatus;
the load detecting unit is configured to drive the intermittent driving unit; the intermittent driving unit is configured
to drive the start unit; the start unit is configured to drive the power factor correction and pulse width modulation controller;

wherein the intermittent driving unit includes a discharging capacitor electrically connected to the load detecting unit;
wherein the discharging capacitor discharges to supply power to the load detecting unit and the intermittent driving unit
when the power supply apparatus is in a sleeping mode;

wherein the intermittent driving unit is configured to drive the start unit when the power supply apparatus is in the sleeping
mode for a pre-determined time, and then the start unit is configured to drive the power factor correction and pulse width
modulation controller for charging the discharging capacitor.

US Pat. No. 9,153,373

TRANSFORMER HAVING ASSEMBLED BOBBINS AND VOLTAGE TRANSFORMATION MODULE HAVING THE TRANSFORMER

Chicony Power Technology ...

1. A transformer having assembled bobbins, including:
a plurality of bobbins each having an annular groove provided on its outer edge and a hollow portion;
a plurality of secondary windings disposed between two adjacent bobbins, each of the secondary windings having a through-hole
corresponding to the hollow portion;

a plurality of protrusions formed on a surface of one bobbin, the surface being faced to a corresponding secondary winding,
to surround the hollow portion, the protrusions abutting against the corresponding secondary winding so that a gap is formed
between the two adjacent bobbins by the protrusions when the two adjacent bobbins are assembled with each other, wherein the
gap is used to facilitate an air convection between the two adjacent bobbins to thereby enhance the heat-dissipating effect
to the bobbins; and

two magnetic cores penetrating the hollow portions of the bobbins and the through-holes of the secondary windings to assemble
them together.

US Pat. No. 9,502,914

CHARGING APPARATUS FOR RECOGNIZING ADAPTOR AND CHARGING METHOD FOR RECOGNIZING ADAPTOR

CHICONY POWER TECHNOLOGY ...

1. A charging apparatus for recognizing an alternating current to direct current adaptor, the charging apparatus applied to
the alternating current to direct current adaptor and a first battery, the charging apparatus comprising:
an input side universal serial bus interface comprising an input side bus voltage contact, an input side data positive contact,
an input side data negative contact and an input side ground contact;

a data voltage detection unit electrically connected to the input side universal serial bus interface;
a microcontroller electrically connected to the data voltage detection unit; and
a first charging power output unit electrically connected to the input side universal serial bus interface, the microcontroller
and the first battery,

wherein the alternating current to direct current adaptor sends a bus voltage to the input side universal serial bus interface;
the input side universal serial bus interface sends the bus voltage to the first charging power output unit;

wherein the data voltage detection unit detects a data positive contact voltage condition of the alternating current to direct
current adaptor through the input side data positive contact; the data voltage detection unit detects a data negative contact
voltage condition of the alternating current to direct current adaptor through the input side data negative contact; the data
voltage detection unit informs the microcontroller of the data positive contact voltage condition and the data negative contact
voltage condition;

wherein the microcontroller determines an overall output charging power of the charging apparatus according to the data positive
contact voltage condition and the data negative contact voltage condition; the microcontroller is configured to control the
first charging power output unit to output a first charging power to the first battery after the first charging power output
unit receives the bus voltage; the first battery is charged with the first charging power; the first charging power is equal
to the overall output charging power.

US Pat. No. 9,479,045

POWER SUPPLY AVOIDING AUXILIARY BOOST CIRCUIT OVER VOLTAGE

CHICONY POWER TECHNOLOGY ...

1. A power supply avoiding an auxiliary boost circuit over voltage, the power supply comprising:
a direct current to direct current converting circuit outputting a direct current electric power;
the auxiliary boost circuit electrically connected to the direct current to direct current converting circuit;
a power factor correction circuit electrically connected to the auxiliary boost circuit; and
a rectification circuit electrically connected to the power factor correction circuit,
wherein the auxiliary boost circuit comprises:
a boost unit electrically connected to the direct current to direct current converting circuit and the power factor correction
circuit;

a voltage detection unit electrically connected to the power factor correction circuit and the boost unit;
a control unit electrically connected to the power factor correction circuit, the boost unit and the voltage detection unit;
a management unit electrically connected to the direct current to direct current converting circuit; and
an output side capacitor electrically connected to the direct current to direct current converting circuit and the boost unit,
wherein when the voltage detection unit detects that an output voltage of the power factor correction circuit is less than
a predetermined voltage, the control unit enters a hold up time mode to drive the boost unit to increase the output voltage
to obtain a boost voltage; the output side capacitor receives the boost voltage to supply power to the direct current to direct
current converting circuit; before the hold up time mode is finished, the control unit sends a first synchronization signal
to the management unit; after the management unit receives the first synchronization signal, the management unit sends a second
synchronization signal to the control unit; after the control unit receives the second synchronization signal sent from the
management unit, the control unit turns off the boost unit before or at the same time the management unit turns off the direct
current to direct current converting circuit.

US Pat. No. 9,391,526

POWER SUPPLY APPARATUS WITH AUXILIARY WINDING SWITCHING CIRCUIT

CHICONY POWER TECHNOLOGY ...

1. A power supply apparatus comprising:
a main converter;
an auxiliary winding switching circuit electrically connected to the main converter; and
a pulse width modulation controller electrically connected to the main converter and the auxiliary winding switching circuit;
wherein the main converter comprises a transformer; the transformer comprises a primary side winding, a secondary side winding
and an auxiliary winding; the auxiliary winding is electrically connected to the auxiliary winding switching circuit; the
auxiliary winding comprises a first winding and a second winding; the first winding is electrically connected to the auxiliary
winding switching circuit; the second winding is electrically connected to the auxiliary winding switching circuit and the
first winding;

wherein the pulse width modulation controller is configured to change a primary side voltage of the primary side winding;
according to the primary side voltage, the secondary side winding induces to generate a secondary side voltage; according
to the secondary side voltage, the first winding induces to generate a first voltage; according to the secondary side voltage,
the second winding induces to generate a second voltage; a turn number of the first winding is greater than a turn number
of the second winding, so that the first voltage is greater than the second voltage;

wherein the auxiliary winding switching circuit sends the first voltage to the pulse width modulation controller to drive
the pulse width modulation controller when the first voltage is not greater than a predetermined voltage; the auxiliary winding
switching circuit sends only the second voltage to the pulse width modulation controller to drive the pulse width modulation
controller when the first voltage is greater than the predetermined voltage.

US Pat. No. 9,837,886

POWER CONVERSION SYSTEM FOR PROVIDING A CURRENT TO MEET OPERATION OF AN ELECTRONIC DEVICE BY VARYING A LEAKAGE INDUCTANCE THEREOF AND METHOD FOR PROVIDING THE CURRENT THEREOF

CHICONY POWER TECHNOLOGY ...

1. A power conversion system comprising:
an isolating transformer (30) comprising a primary winding (310) and a plurality of secondary windings (320a˜320d) coupled with the primary winding (310), wherein the isolating transformer (30) has a plurality of coupling distances between the secondary windings (320a˜320d) and the primary winding (310);

an output-controlling device (40) comprising a plurality of output-controlling modules (400a˜400d), wherein each of the secondary windings (320a?˜320d) is electrically connected to one of the output-controlling modules (400a˜400d);

a current sense unit (50) configured to sense a current required for an electronic device and generate a current sensed signal; and

a controller (420) electrically connected to the output-controlling modules (400a˜400d) and the current sense unit (50);

wherein the controller (420) is configured to control an amount of the output-controlling module (400a˜400d) placed in a conducting state in accordance with the current sense signal, thus an amount of the second winding (320a˜320d) magnetically coupled with the primary winding (310) is modulated for varying a leakage inductance of the power conversion system and providing an output current met the current
requirement of the electronic device.

US Pat. No. 9,780,686

POWER SUPPLYING APPARATUS AND METHOD

CHICONY POWER TECHNOLOGY ...

1. A power supplying apparatus, comprising:
a voltage outputting module; and
a voltage selecting module electrically connected to the voltage outputting module, wherein the voltage selecting module comprises
a returning unit;

wherein the voltage selecting module receives a voltage identification signal when the voltage outputting module is electrically
connected to an electronic device, the returning unit notifies the electronic device when the voltage identification signal
is larger than a voltage level such that the electronic device returns a voltage request signal, and the power supplying apparatus
selectively sends out one of a plurality of DC voltage signals to the electronic device according to the voltage request signal.

US Pat. No. 9,590,415

OUTPUT SHORT CIRCUIT PROTECTING DEVICE

CHICONY POWER TECHNOLOGY ...

1. An output short circuit protecting device comprising electrically connected to a power supplying device and an electronic
system, the power supplying device comprising an alternative current to direct current power converting module, a controller,
a switching element, a first outputting resistor, a second outputting resistor, a third outputting resistor, a first electricity
outputting terminal, a second electricity outputting terminal, a standby electricity outputting terminal, a signal-controlling
terminal, and a signal-resetting terminal, the AC to DC power converting module comprising a DC electricity outputting terminal,
the switching element electrically connected to the DC electricity outputting terminal and the signal-controlling terminal,
the first outputting resistor electrically connected to the switching element and the first electricity outputting terminal,
the second outputting resistor electrically connected to the switching element and the second electricity outputting terminal,
the third outputting terminal electrically connected to the DC electricity outputting terminal and the standby electricity
outputting terminal, the first electricity outputting terminal, the second electricity outputting terminal, and the standby
electricity outputting terminal electrically connected to the electronic system, respectively, the output short circuit protecting
device comprising:
a first outputting short circuit protecting module electrically connected to the first outputting resistor and the second
outputting resistor, the first outputting short circuit protecting module comprising:

a sensing unit electrically connected to the switching element, the first outputting resistor, and the second outputting resistor;
a comparing unit electrically connected to the sensing unit;
a judging element electrically connected to the comparing unit, the controller, and the signal-controlling terminal; and
a latching unit electrically connected to the judging unit, the signal-controlling terminal, and the signal-resetting terminal,
wherein the sensing unit senses voltages across the first outputting resistor and the second outputting resistor, the comparing
unit respectively determines whether the voltages across the first outputting resistor and the second outputting resistor
is larger than a predetermined value or not, the judging element sends a signal to latching unit for latching the signal-controlling
terminal and driving the switching element cut off if one of the voltages across the first outputting resistor and the second
outputting resistor is larger than the predetermined value, so that the first electricity outputting terminal and the second
electricity outputting terminal stop outputting electricity to the electronic system.

US Pat. No. 9,066,416

POWER SUPPLY ENCLOSURE AND METHOD OF MANUFACTURING THE SAME

CHICONY POWER TECHNOLOGY ...

1. A manufacturing method of a power supply enclosure assembly, comprising:
forming a power supply enclosure assembled by four independent and detachable pieces, wherein the four independent and detachable
pieces are a top cover, a bottom base and two side panels, respectively, and the four independent and detachable pieces are
formed by four corresponding independent dies;

forming the top cover, the bottom base and the two side panels by blanking;
using a change core method to perform an extruded hole process or a punching hole process on the top cover and the bottom
base, wherein the change core method means providing cores with different specifications to be processed to produce an extruded
hole on the top cover or a punching hole on the bottom base, and multiple hole positions are preset by the cores and provide
relative cutting tool positions for the extruded hole or the punching hole, so as to satisfy the specifications of various
designs in the extruded hole and the punching hole;

performing a bending process on the top cover and the bottom base after using the change core method and the two side panels
formed by blanking, the top cover, the bottom base, and the two side panels being bent according to a specification which
is used to adjust corresponding cores; and

assembling the two side panels at two sides between the top cover and the bottom base.

US Pat. No. 9,906,139

POWER SUPPLY MODULE, POWER SUPPLY DEVICE, AND POWER CONTROLLING METHOD

CHICONY POWER TECHNOLOGY ...

1. A power supply module coupled with a primary winding of a power conversion module, the power supply module comprising:
a plurality of power-controlling modules, each power-controlling module comprising an auxiliary winding and a first switch
electrically connected in series, wherein each auxiliary winding is magnetic coupled with the primary winding; and

a plurality of second switches, each second switch electrically connected to one of the power-controlling units; and
a microprocessor electrically connected to the first switches of the power-controlling modules and the second switches,
wherein the microprocessor places at least one first switch and one of the second switches in a conducting state to make the
first switch in the conducting state and the second switch in the conducting state electrically connect in series and output
an electric power to power the power conversion module.

US Pat. No. 9,705,415

POWER SUPPLY APPARATUS WITH ACTIVE CLAMPING CIRCUIT

Chicony Power Technology ...

1. A power supply apparatus comprising:
a power supply circuit; and
an active clamping circuit electrically connected to the power supply circuit,
wherein the power supply circuit comprises:
a secondary side rectifying unit comprising a first diode and a second diode, and the secondary side rectifying unit electrically
connected to the active clamping circuit; and

a voltage output side electrically connected to the active clamping circuit and the secondary side rectifying unit,
wherein the active clamping circuit comprises a clamping energy-storing unit, a feedback control unit, and a synchronous buck
converter; the clamping energy-storing unit electrically connected to the secondary side rectifying unit, and the clamping
energy-storing unit comprising:

a third diode electrically connected to the first diode of the secondary side rectifying unit, the feedback control unit,
and the synchronous buck converter;

a fourth diode electrically connected to the second diode of the secondary side rectifying unit, the third diode, the feedback
control unit, and the synchronous buck converter; and

a bulk capacitor electrically connected to the third diode, the fourth diode, the feedback control unit, and the synchronous
buck converter,

wherein the feedback control unit electrically is connected to the clamping energy-storing unit, and the feedback control
unit comprises:

a first resistor electrically connected to the clamping energy-storing unit;
a second resistor electrically connected to the first resistor;
a three-terminal adjustable regulator electrically connected to the first resistor and the second resistor;
a third resistor electrically connected to the three-terminal adjustable regulator;
a direct current voltage source electrically connected to the third resistor; and
a fourth resistor electrically connected to the three-terminal adjustable regulator and the third resistor; and
the synchronous buck converter electrically connected to the clamping energy-storing unit and the first resistor of the feedback
control unit, the feedback control unit and the voltage output side, and

wherein the clamping energy-storing unit clamps and stores a voltage spike to obtain an energy-storing voltage; the feedback
control unit detects the energy-storing voltage and informs the synchronous buck converter of the energy-storing voltage;
the synchronous buck converter receives the energy-storing voltage and adjusts the energy-storing voltage to obtain an adjusted
voltage when the energy-storing voltage is greater than a predetermined voltage; the synchronous buck converter sends the
adjusted voltage to the voltage output side.

US Pat. No. 9,506,961

POWER SUPPLY DETECTION APPARATUS AND DETECTING METHOD THEREOF

CHICONY POWER TECHNOLOGY ...

1. A power supply detection apparatus, for detecting an electric power status of an electronic component installed on a circuit
board of a power supply, comprising:
a base,
two longitudinal motion mechanisms, arranged on the base;
two lateral motion mechanisms driven by the two longitudinal motion mechanisms to move horizontally in a first direction;
two pin bases, installed to the two lateral motion mechanisms respectively, and two probes being movably erected from the
two pin bases, and each pin base being driven by the corresponding lateral motion mechanism to move horizontally in a second
direction, and the first direction is perpendicular to the second direction; and

two vertical motion mechanisms arranged onto the two pin base respectively, and coupled to the two probes respectively, and
driving the two probes to move vertically, wherein a rubber crawler belt is coupled to each of the two probes for providing
buffering function,

wherein each of the two longitudinal motion mechanisms comprises a longitudinal screw and a longitudinal driving motor, and
the two longitudinal screws are arranged parallelly with an interval apart from each other,

wherein each of the two lateral motion mechanisms comprises a lateral screw and a lateral driving motor, and the two lateral
screws are arranged parallelly with an interval apart from each other,

wherein each of the two lateral motion mechanisms engages both of the two longitudinal motion mechanisms, and
wherein a buffer rod is installed at one of the two lateral motion mechanisms towards the other one of the two lateral motion
mechanisms.

US Pat. No. 9,236,699

POWER ADAPTER

CHICONY POWER TECHNOLOGY ...

1. A power adapter, comprising:
an adapter body comprising an accommodation chamber, a positioning structure disposed in one end thereof inside said accommodation
chamber, an insertion slot located in an opposite end thereof in communication between said accommodation chamber and the
atmosphere, and an electrical plug member suspending on the outside remote from said insertion slot for connection to an external
power source, said electrical plug member comprising two metal conducting contacts suspending inside said positioning structure,

wherein said positioning structure comprises an open frame defining therein a receiving chamber for accommodating said adapter
plate, a pair of position-limit slats, a position-limit groove defined between said two position-limit slats and a positioning
partition plate extended from the open frame and disposed at one lateral side relative to said receiving chamber; and

an electrical module comprising a circuit board mounted in said accommodation chamber between said positioning structure and
said insertion slot and adapted for converting inputted AC power supply into DC power supply, an adapter plate fixedly mounted
on said circuit board and inserted into said positioning structure, two metal conducting terminals fixedly mounted on said
adapter plate and respectively kept in contact with said two metal conducting contacts to electrically connect said electrical
plug member to said circuit board and a power transmission device electrically connected to said circuit board and facing
toward said insertion slot for DC power supply output.

US Pat. No. 9,078,372

POWER SYSTEM AND POWER CONVERTING DEVICE THEREOF

CHICONY POWER TECHNOLOGY ...

1. A power converting device mounted on a main plate, the power converting device comprising:
a first substrate having a first axial direction and a second axial direction perpendicular to the first axial direction,
the first substrate inserted into the main plate, such that the second axial direction being perpendicular to the main plate;

a driving module placed at one side of the first substrate and electrically connected to the first substrate; and
a converting module located at the other side of the first substrate and electrically connected to the driving module, the
converting module comprising a converting component, two rectifying units, and two filtering units, the rectifying units and
the filtering units being symmetrically arranged relative to the converting component,

wherein a length of the converting module is substantially equal to a length of the first substrate in the first axial direction,
and a width of the converting module is smaller than the length of the first substrate in the first axial direction.

US Pat. No. 9,742,265

POWER SUPPLY METHOD FOR AVOIDING AUDIO NOISE AND POWER SUPPLY APPARATUS FOR AVOIDING AUDIO NOISE

CHICONY POWER TECHNOLOGY ...

7. A power supply apparatus (10) comprising:
a voltage input side (102);

a power switch circuit (104) electrically connected to the voltage input side (102);

a voltage output side (106) electrically connected to the power switch circuit (104);

a pulse width modulation signal generating circuit (108) electrically connected to the power switch circuit (104); and

a burst frequency detection circuit (110) electrically connected to the power switch circuit (104) and the pulse width modulation signal generating circuit (108),

wherein according to a pulse width modulation signal (114), the pulse width modulation signal generating circuit (108) controls the power switch circuit (104), so that the power supply apparatus (10) enters a burst mode; the burst frequency detection circuit (110) detects a burst frequency of the power switch circuit (104) after the power supply apparatus (10) enters the burst mode; the burst frequency detection circuit (110) informs the pulse width modulation signal generating circuit (108) that the burst frequency is in an audio frequency range if the burst frequency of the power switch circuit (104) is in the audio frequency range; after the burst frequency detection circuit (110) informs the pulse width modulation signal generating circuit (108) that the burst frequency is in the audio frequency range, according to the pulse width modulation signal (114), the pulse width modulation signal generating circuit (108) controls the power switch circuit (104), so that the power supply apparatus (10) leaves from the burst mode to avoid audio noise; wherein when the power supply apparatus (10) enters the burst mode, first the burst frequency of the power supply apparatus (10) is lower than the audio frequency range, and second the burst frequency of the power supply apparatus (10) is increasing according to a load being increasing until the burst frequency of the power supply apparatus (10) enters the audio frequency range, the power supply apparatus (10) enters a normal working mode;

wherein the burst frequency is a frequency of a burst clump in the burst mode, and when a load connected to the power supply
apparatus (10) is gradually increased, a number of a pulse waves in the burst clump gradually increases as the load gradually increases.

US Pat. No. 9,641,101

METHOD FOR CONTROLLING OUTPUT ENERGY OF A POWER SYSTEM

CHICONY POWER TECHNOLOGY ...

1. A method for controlling power output energy of a power system (1) applied to feed an alternative current (AC) power to an AC grid (3), the method comprising:
detecting a phase offset between an AC voltage and an AC current of the AC power outputted from a power conversion unit (10) of the power system (1) by a controlling unit (14), wherein the controlling unit (14) has a first preset power factor, a second preset power factor, and a preset average power factor;

when entering an energy-storage cycle, the controlling unit (14) making the power conversion unit (10) output the AC power having the first preset power factor to the AC grid (3) and store a partial energy of the AC grid (3) in an energy-storage unit (12) when in a reactive power area of the AC power having the first preset power factor;

when entering energy-release cycle, the controlling unit (14) making the power conversion unit (10) output the AC power having the second preset power factor and release the energy stored in the energy-storage unit (12), wherein the released energy and the AC power outputted from the power conversion unit (12) are fed to the AC grid (3);

wherein an average value of a power factor in the energy-storage cycle and the energy-release cycle is the same as the average
power factor.

US Pat. No. 9,502,990

ELECTRIC POWER FEEDBACK APPARATUS WITH MAIN POWER OUTPUT-FEEDBACK AND STANDBY POWER OUTPUT-FEEDBACK

CHICONY POWER TECHNOLOGY ...

1. An electric power feedback apparatus electrically connected to a power supply apparatus, the power supply apparatus comprising
a power supply module, a first inductive resistor, a second inductive resistor, a main power output terminal and a standby
power output terminal, the main power output terminal and the standby power output terminal electrically connected to a power
conversion system, the power supply module comprising a first power output terminal and a second power output terminal, the
first inductive resistor electrically connected to the first power output terminal and the main power output terminal, the
second inductive resistor electrically connected to the second power output terminal and the standby power output terminal,
the electric power feedback apparatus comprising:
a constant voltage compensating module electrically connected to the main power output terminal;
a compensating and clamping module electrically connected to the standby power output terminal, the constant voltage compensating
module, and the power conversion system, the compensating and clamping module comprising:

a first comparator electrically connected to the standby power output terminal;
a constant voltage weighting unit electrically connected to the first comparator; and
a switch element electrically connected to the constant voltage compensating module, the constant voltage weighting unit and
the power conversion system;

an adaptive current weighting module electrically connected to the standby power output terminal, the second power output
terminal, the constant voltage compensating module and the power conversion system; and

a controller electrically connected to the constant voltage compensating module and the power supply apparatus.

US Pat. No. 9,484,823

POWER SUPPLY APPARATUS WITH EXTENDING HOLD UP TIME FUNCTION

CHICONY POWER TECHNOLOGY ...

1. A power supply apparatus with extending a hold up time function, the power supply apparatus comprising:
a transformer;
a winding switching unit electrically connected to the transformer; and
a detection unit electrically connected to the winding switching unit,
wherein the transformer comprises:
a primary side winding; and
a secondary side winding coupled and induced to the primary side winding,
wherein a turn number of the secondary side winding and a turn number of the primary side winding have a relationship of a
turn ratio; when the detection unit detects that an input voltage of the primary side winding is less than an input predetermined
voltage, the winding switching unit is configured to increase the turn ratio, so that an output voltage of the secondary side
winding is recovered to an output predetermined voltage.

US Pat. No. 9,831,761

SPEEDY DISCHARGING CIRCUIT AND POWER SUPPLY APPARATUS WITH SPEEDY DISCHARGING CIRCUIT

Chicony Power Technology ...

1. A speedy discharging circuit applied to a power supply, the speedy discharging circuit electrically connected to the power
supply, the power supply comprising a power output side and an output side capacitor, the output side capacitor electrically
connected to the power output side, the speedy discharging circuit comprising:
an energy consuming unit electrically connected to the power output side and the output side capacitor;
a switch unit electrically connected to the energy consuming unit; and
a switch control unit electrically connected to the switch unit,
wherein when the switch control unit receives a sleep signal, the switch control unit turns on the switch unit, so that the
output side capacitor discharges to the energy consuming unit;

wherein the switch control unit comprises:
a charging-discharging subunit electrically connected to the switch unit; and
wherein when the charging-discharging subunit is charged by the sleep signal and the charging-discharging subunit is not fully
charged, the switch unit is turned on, so that the output side capacitor discharges to the energy consuming unit.

US Pat. No. 9,768,681

FILTERING MODULE AND POWER SUPPLY DEVICE

CHICONY POWER TECHNOLOGY ...

1. A filtering module comprising:
a first inductor comprising a magnetic core, wherein a recess formed on the magnetic core makes a magnetic resistance of the
magnetic core be varied by varying a magnetic flux path at different currents into the magnetic core, thereby a first inductance
of the first inductor is varied; and

a first capacitor electrically connected to the first inductor,
wherein a filtering bandwidth of the filtering module is varied by varying the current into the filtering module.

US Pat. No. 9,673,622

POWER SUPPLYING SYSTEM, LINEAR CONTROLLING MODULE THEREOF, AND CONTROLLING METHOD OF SWITCHING COMPONENT

Chicony Power Technology ...

1. A linear controlling module for electrical connection with an electronic system and a power supplying device, the power
supplying device having an electric power outputting terminal, a controlling signal outputting terminal, and a switching component
electrically connected to the electric power outputting terminal, the linear controlling module comprising:
a controlling switch electrically connected to the controlling signal outputting terminal;
a first resistor electrically connected to the controlling switch;
a capacitor electrically connected to the electric power outputting terminal and the first resistor;
a second resistor electrically connected to the electric power outputting terminal, the switching component, the first resistor,
and the capacitor; and

a discharging circuit electrically connected to the electric power outputting terminal, the controlling signal outputting
terminal, the capacitor, the first resistor, and the second resistor.

US Pat. No. 9,633,803

KEYBOARD BACKLIGHT MODULE WITH IMPROVED LIGHT GUIDE STRUCTURE

Chicony Power Technology ...

1. A keyboard backlight module, comprising a backlight device, a light source and a plurality of high-refractive index scatter
points, wherein:
said backlight device comprises a reflective layer, a light guide layer and a light shielding layer arranged in a stack through
lamination, said light guide layer being set between said reflective layer and said light shielding layer, said light shielding
layer carrying a set of key switches on a top surface thereof;

said light source comprises a circuit board carrying a circuit layout and bonded to a top surface of said reflective layer
of said backlight device, and a plurality of light-emitting devices mounted in said circuit board and disposed between said
reflective layer and said light shielding layer;

said high-refractive index scatter points are mounted in at least one of opposing top and bottom surfaces of said light guide
layer and prepared from a mixture containing a light-transmissive ink and high-refractive index particles at a predetermined
ratio.

US Pat. No. 9,793,649

ROTATABLE PLUG STRUCTURE FOR POWER ADAPTER

CHICONY POWER TECHNOLOGY ...

1. A rotatable plug structure for a power adapter, comprising:
a carrying base having a first installation slot, a second installation slot and a channel connected between the first and
the second installation slots;

two conductive terminals secured onto the first installation slot and the second installation slot respectively; each one
of the conductive terminals having a main body, a wiring portion arranged on one end of the main body and a clamping member
arranged on another end of the main body; the clamping member formed by a pair of metal slats bent from the main body and
extended to taper toward a direction approaching each other;

a plug rotatably installed on the carrying base and configured on the conductive terminal; the plug comprising a pivotal axle
arranged in the channel and attaching to two sides of the carrying base as well as a pair of insertion pins secured on the
pivotal axle; each one of the pair of insertion pins having a conductive connecting end; the plug configured to swing freely
about the pivotal axle in order to have a deployed state and a retracted state such that the conductive connecting ends are
clamped by the clamping member or disengaged from the clamping member accordingly,

wherein the clamping member comprises a holding portion, a bending portion and a gripping portion extended from the bending
portion; the holding portion is formed by a pair of metal slats bent on two long sides of the main body and arranged vertically
parallel to each other; the bending portion is formed by a metal slat bent at a rear end of the main body and arranged vertically;
the gripping portion is formed at two ends of the bending portion and extended to taper toward a direction approaching corresponding
sides of each other;

wherein a bending area of the bending portion is a bending end; a rear end of the gripping portion is a sloped bottom end;
a slope section is formed to rise upward from the sloped bottom end to the bending end, and a flat section is formed to extend
linearly from the slope section to the bending end; and an outward expanded fork is formed to extend from the slope bottom
end of the gripping portion in a direction toward the holding portion.

US Pat. No. 9,927,288

REAL-TIME LIGHTING CONTROL SYSTEM AND REAL-TIME LIGHTING CONTROL METHOD

CHICONY POWER TECHNOLOGY ...

1. A real-time lighting control system, comprising:a plurality of lighting devices arranged in a plurality of lighting regions respectively in an indoor space;
at least three wireless base stations arranged in the lighting regions respectively, each wireless base station being connected to the corresponding lighting device arranged in the corresponding lighting region, sending a wireless signal continuously, and controlling the connected lighting device when receiving a lighting control signal; and
a computer device comprising:
a positioning module continuously sensing the at least three wireless signals and dynamically determining a plurality of positioning positions corresponding to different time points according to at least three signal intensities of the at least three wireless signals and at least three of arranged positions of the at least three wireless base stations sending the at least three wireless signals; and
a calculating module connected to the positioning module and selecting one of the lighting regions according to space information and the determined positioning positions, and sending the lighting control signal to the wireless base station arranged in the selected lighting region, wherein the space information records distributing information of the lighting regions in the indoor space.

US Pat. No. 9,791,111

LED LIGHTING DEVICE HAVING A PROLONGED LIFE DURING HIGH TEMPERATURE OPERATION

Chicony Power Technology ...

1. A LED lighting device, comprising:
a LED light housing comprising a hollow outer shell, a reflector cup mounted in said hollow outer shell and a lens mounted
in said reflector cup, said hollow outer shell comprising an accommodation chamber, an opening located in a bottom side thereof
in communication with said accommodation chamber and the space outside said LED light housing and a planar mounting surface
located on the center of a top side of said accommodation chamber and facing toward said opening, said reflector cup being
mounted in said accommodation chamber of said hollow outer shell, said reflector cup comprising a lens mounting hole located
on the center of a closed top side thereof and a conical reflective surface defined therein and gradually increased in diameter
from said lens mounting hole toward an opposing bottom open side of said reflector cup, said lens being mounted in said lens
mounting hole of said reflector cup, said lens comprising a light exit surface facing toward said conical reflective surface
of said reflector cup; and

a LED light-emitting module comprising a circuit board mounted between said planar mounting surface of said hollow outer shell
and said lens and defining a front side and an opposing back side, a plurality of light-emitting diodes arranged on a center
area of the said front side of said circuit board to face toward said light exit surface of said lens, a control circuit installed
in said circuit board, said control circuit comprising a driver IC mounted in a border area at the said front side of said
control circuit and a capacitor mounted on the said back side of said circuit board, and a power cord electrically coupled
with said circuit board and said driver IC and extended out of the said back side of said circuit board for connection to
an external power source.

US Pat. No. 9,735,692

ADAPTER WITH LOW STANDBY LOSS AND ELECTRONIC SYSTEM WITH LOW STANDBY LOSS

CHICONY POWER TECHNOLOGY ...

1. An adapter with low standby loss supplying power to a load apparatus, the adapter comprising:
a rectifying unit;
a power factor correction unit electrically connected to the rectifying unit, the power factor correction unit sending out
a first voltage;

a standby circuit electrically connected to the power factor correction unit, the standby circuit converting the first voltage
into a second voltage and a third voltage;

a load-connecting detection circuit electrically connected to the standby circuit, the load-connecting detection circuit receiving
the second voltage;

a first power conversion circuit electrically connected to the power factor correction unit, the first power conversion circuit
comprising a first output side and a first ground side, the first ground side electrically connected to the load-connecting
detection circuit;

a second power conversion circuit electrically connected to the power factor correction unit, the second power conversion
circuit comprising a second output side and a second ground side, the second ground side electrically connected to the load-connecting
detection circuit, the first ground side and the second ground side connected to different grounds; and

an auxiliary voltage control circuit electrically connected to the standby circuit, the first power conversion circuit and
the second power conversion circuit, the auxiliary voltage control circuit receiving the third voltage,

wherein when the load apparatus is not connected to the adapter, a voltage of the first ground side is different from a voltage
of the second ground side, so that the load-connecting detection circuit does not send out a first signal; the auxiliary voltage
control circuit does not receive the first signal, so that the auxiliary voltage control circuit does not drive the first
power conversion circuit and the second power conversion circuit, so that the first power conversion circuit and the second
power conversion circuit does not convert the first voltage into a first output voltage and a second output voltage;

wherein when the load apparatus is connected to the adapter, the first ground side is short-circuited to the second ground
side, so that the load-connecting detection circuit is turned on and sends out the first signal; after the auxiliary voltage
control circuit receives the first signal, the auxiliary voltage control circuit is turned on to send out a fourth voltage
to drive the first power conversion circuit and the second power conversion circuit, so that the first power conversion circuit
and the second power conversion circuit start to convert the first voltage into the first output voltage and the second output
voltage.

US Pat. No. 9,835,690

AC INRUSH CURRENT TESTING DEVICE

CHICONY POWER TECHNOLOGY ...

1. An alternative current (AC) inrush current testing device arranged between an AC power source and a power supply unit and
electrically connected to the AC power source and power supply unit, the AC inrush current testing device comprising:
a grid voltage peak point calculator;
a grid voltage period and timing detector electrically connected to the AC power source and the grid voltage peak point calculator;
a switch having a movable contact, a first stationary contact, and a second stationary contact, wherein the movable contact
is electrically connected to the AC power source;

an autotransformer comprising a first winding, a second winding, and a third winding, wherein one terminal of the first winding
is electrically connected to the AC power source, and the other terminal of the first winding is electrically connected to
the first stationary contact and one terminal of the second winding, one terminal of the third winding is electrically connected
to the second stationary contact, and the other terminal of the third winding is electrically connected to the other terminal
of the second winding; and

a main relay electrically connected to the power supply unit, the grid voltage peak point calculator, the second winding,
and the third winding,

wherein the grid voltage period and timing detector detects a potential level of an AC voltage signal outputted from the AC
power source and outputs a test signal having zero cross point to the grid voltage peak point calculator, the grid voltage
peak point calculator calculates a period of the test signal and sends a trigger signal to the main relay at a specific time
of the following period for turning on the switch, thus the AC voltage signal is conduct to the power supply unit.

US Pat. No. 9,825,415

ADAPTER CASING MODULE FOR INSTALLING A POWER SOCKET

CHICONY POWER TECHNOLOGY ...

1. An adapter casing module, for installing a power socket, comprising:
a first casing, having a fixed base; and
a second casing, engaged correspondingly with the first casing, and having an opening disposed opposite to the fixed base;
wherein, the fixed base includes two elastic walls protruded from the first casing, and the two elastic walls are arranged
with an interval apart and opposite to each other for installing the power socket between the elastic walls, and a first limit
structure is disposed on a side of the two elastic walls, and a second limit structure is disposed on the other side of the
two elastic walls, and the first and second limit structures restrict the power socket to be situated in the fixed base and
configured to be corresponsive to the opening,

wherein the two elastic walls have a latching edge for latching the power socket, the latching edge is protruded along an
upper end of any one of the elastic walls and towards the power socket, and the first limit structure is extended out from
an end of the latching edge.

US Pat. No. 9,866,061

POWER SUPPLY APPARATUS WITH PROTECTION FUNCTION AND REDUNDANT POWER SUPPLY SYSTEM

Chicony Power Technology ...

1. A power supply apparatus with a protection function comprising:
a pulse width modulation control unit,;
a pulse width modulation detecting unit electrically connected to the pulse width modulation control unit;
a switch unit electrically connected to the pulse width modulation detecting unit; and
a feedback circuit electrically connected to the pulse width modulation control unit and the switch unit, the feedback circuit
detecting a bus voltage,

wherein when the feedback circuit detects that the bus voltage is greater than a predetermined voltage, the feedback circuit
sends an informing signal to the pulse width modulation control unit; after the pulse width modulation control unit receives
the informing signal, the pulse width modulation control unit adjusts a duty cycle of a pulse width modulation signal and
sends the pulse width modulation signal to the pulse width modulation detecting unit;

when the pulse width modulation detecting unit detects that the duty cycle of the pulse width modulation signal is less than
a predetermined cycle, the pulse width modulation detecting unit turns off the switch unit to stop outputting power.

US Pat. No. 10,153,690

BRIDGELESS INTERLEAVED POWER FACTOR CORRECTOR AND METHOD OF CONTROLLING THE SAME

CHICONY POWER TECHNOLOGY ...

1. A bridgeless interleaved power factor corrector (PFC) adapted to convert an AC power source into a DC power source, the bridgeless interleaved PFC comprising:a first conversion circuit coupled to a line end of the AC power source and comprising two positive-half operation units, the two positive-half operation units coupled to a positive voltage end with respect to a ground end;
a second conversion circuit coupled to a neutral end of the AC power source and in parallel connection with the first conversion circuit, the second conversion circuit comprising two negative-half operation units coupled to the positive voltage end;
a first power switch coupled to one of the two positive-half operation units and one of the two negative-half operation units, and wherein the first power switch is disposed between the one of the two positive-half operation units and the ground end and disposed between the one of the two negative-half operation units and the ground end;
a second power switch coupled to the other one of the two positive-half operation units and the other one of the two negative-half operation units, and where the second power switch is disposed between the other one of the two positive-half operation units and the ground end and disposed between the other one of the two negative-half operation units and the ground end;
a positive-half control switch coupled between the neutral end and the ground end; and
a negative-half control switch coupled between the line end and the ground end.

US Pat. No. 9,692,292

POWER SUPPLY APPARATUS WITH ALTERNATING CURRENT POWER DETECTION CIRCUIT

Chicony Power Technology ...

1. A power supply apparatus, the power supply apparatus applied to an alternating current power supply apparatus, the alternating
current power supply apparatus comprising a line wire and a neutral wire, and comprising:
a main power processing circuit; and
an alternating current power detection circuit electrically connected to the main power processing circuit,
wherein the alternating current power detection circuit comprises:a rectifying unit electrically connected to the main power processing circuit; and
a frequency processing unit electrically connected to the main power processing circuit and the rectifying unit,
wherein the rectifying unit comprises:
a first diode electrically connected to the main power processing circuit, the frequency processing unit and the line wire;
and

a second diode electrically connected to the main power processing circuit, the frequency processing unit, the neutral wire
and the first diode,

wherein the first diode and the second diode rectify the alternating current power to obtain the rectified power; when the
frequency of the rectified power is greater than twice the predetermined frequency, the frequency processing unit informs
the main power processing circuit, so that the main power processing circuit processes the alternating current power to obtain
the output direct current power;

wherein the rectifying unit rectifies an alternating current power to obtain a rectified power; when a frequency of the rectified
power is greater than a predetermined frequency, the frequency processing unit informs the main power processing circuit,
so that the main power processing circuit processes the alternating current power to obtain an output direct current power,

wherein when the frequency of the rectified power is not greater than the predetermined frequency, the frequency processing
unit does not inform the main power processing circuit, so that the main power processing circuit does not process the alternating
current power; the output direct current power is not obtained;

wherein the frequency processing unit comprises:
a high pass filter electrically connected to the main power processing circuit, and
a voltage comparator electrically connected to the high pass filter and the rectifying unit,
wherein the high pass filter is used for determining whether the frequency of the rectified power is greater than twice the
predetermined frequency or not;

wherein the voltage comparator is used for determining whether a voltage of the rectified power is greater than a predetermined
voltage or not; when the voltage of the rectified power is greater than the predetermined voltage, the voltage comparator
informs the high pass filter, so that the high pass filter determines whether the frequency of the rectified power is greater
than twice of the predetermined frequency or not.

US Pat. No. 10,237,934

LIGHT SOURCE SWITCHING SYSTEM AND METHOD OF LIGHT EMISSION CONTROL THEREOF

CHICONY POWER TECHNOLOGY ...

1. A light source switching system, comprising:a signal input terminal;
a first input circuit, which is electrically connected to the signal input terminal;
a second input circuit, comprising a first detection unit and a first switch driving unit, wherein the first detection unit is electrically connected to the signal input terminal;
a third input circuit, comprising a second detection unit and a second switch driving unit, wherein the second detection unit is electrically connected to the signal input terminal;
a dimming control unit, which is electrically connected to the second input circuit and the third input circuit;
a DC conversion unit, which is electrically connected to the first input circuit, the second input circuit, the third input circuit and the dimming control unit;
a first switch circuit, which is electrically connected to the DC conversion unit and the first switch driving unit;
a second switch circuit, which is electrically connected to the DC conversion unit and the second switch driving unit;
a first light emitting device, which is electrically connected to the DC conversion unit;
a second light emitting device, which is electrically connected to the first switch circuit; and
a third light emitting device, which is electrically connected to the second switch circuit, wherein the first light emitting device, the second light emitting device and the third light emitting device are connected in parallel with one another.

US Pat. No. 9,584,033

POWER SUPPLY DEVICE FOR VARYING AN OUTPUT VOLTAGE

CHICONY POWER TECHNOLOGY ...

1. A power supply device electrically comprising an output port electrically connected to an electronic product, the power
supply device comprising:
a power source;
a transformer comprising a primary winding and a secondary winding coupled with each other, the primary winding electrically
connected to the power source, and the secondary winding electrically connected to the output port, wherein the transformer
having a first inductance and a second inductance smaller than the first inductance;

a power switch electrically connected to the primary winding and the power source;
a current sensor electrically connected to the power switch;
a voltage-dividing controller electrically connected to the current sensor, wherein the voltage-diving controller comprises
a light-generating component and a light-receiving component, the light-generating component is electrically connected to
the current sensor, and the light-receiving component is electrically connected to the voltage-feedback unit;

a voltage-feedback unit coupled to the voltage-diving controller and the output port;
a voltage comparator electrically connected to the voltage-feedback unit;
a main controller electrically connected to the voltage comparator; and
a pulse width modulator electrically connected to the power switch and the main controller,
wherein the current sensor senses a current flowing through the primary winding to make the voltage-dividing controller generate
a voltage-dividing-controlling signal for regulating a voltage outputted from the voltage-feedback unit, and the voltage comparator
compares a potential level of the regulated voltage with a preset potential level, to generate a compared signal for modulating
a duty cycle of the pulse width modulating signal outputted from the pulse width modulator, thus an output voltage from the
output port is regulated.

US Pat. No. 10,075,054

POWER SUPPLY CAPABLE OF MAINTAINING ITS OUTPUT VOLTAGE

Chicony Power Technology ...

1. A power supply, receiving an input voltage and providing an output voltage to a load, the power supply comprising: a storage capacitor having a capacitor voltage; a direct current (DC) to DC converter receiving the capacitor voltage, wherein the DC to DC converter is configured to convert the capacitor voltage into the output voltage; a voltage detector configured to detect the input voltage; a bypass unit, comprising: a diode electrically connected to the storage capacitor, wherein the diode receives the input voltage and cuts off while the input voltage is lower than the capacitor voltage; and a power switch electrically connected to the diode in parallel, wherein the power switch is turned on while the input voltage is equal to or greater than the capacitor voltage for conducting the input voltage to the storage capacitor and is turned off while the input voltage is lower than the capacitor voltage; and a voltage-multiplying unit electrically connected to the storage capacitor and the voltage detector and comprising: a first winding; a second winding, wherein a turn ratio of the second winding to the first winding is greater than one; a switching element electrically connected to the first winding; and a controller electrically connected to the voltage detector and the switching element, wherein the voltage-multiplying unit is activated and the controller outputs a controlling signal to the switching element for performing a voltage-multiplying procedure by coupling the input voltage conducted to the first winding to the second winding for charging the storage capacitor when the input voltage is lower than a threshold voltage to ensure that the DC to DC converter successfully generates the output voltage for a specific period.

US Pat. No. 10,108,873

CLOUD-BASED TRANSREGIONAL LICENSE-PLATE-RECOGNITION SYSTEM AND METHOD THEREOF

CHICONY POWER TECHNOLOGY ...

1. A cloud-based transregional license-plate-recognition system, comprising:a local license-plate-capture module, comprising:
a vehicle sensor for detecting whether a vehicle is approaching;
an image capture module electrically connected to the vehicle sensor for capturing a license plate image when the vehicle is approaching;
a global positioning module for obtaining position information;
a local control module electrically connected to the image capture module and the global positioning module for modulating the license plate image and the position information into recognition information; and
a local transmission module electrically connected to the local control module for sending the recognition information externally via Internet; and
a cloud license-plate-recognition module for receiving the recognition information from Internet, demodulating the recognition information to generate a recognition image and an index information, selecting at least one of a plurality of recognition logics based on the index information, and executing an Optical Character Recognition (OCR) process on the recognition image via using the selected recognition logic to generate a license plate information,
wherein the cloud license-plate-recognition module comprising:
a plurality of local logic modules respectively corresponding to a plurality of geographic regions for saving the plurality of recognition logics;
a logic selection module connecting to the plurality of local logic modules for recognizing the geographic regions corresponding to the index information, and loading the recognition logic from the local logic module corresponding to the geographic region; and
a license-plate-recognition module connecting to the logic selection module for executing the OCR process on the recognition image via the loaded recognition logic to generate the license plate information,
wherein the logic selection module recognizes another geographic region geographically near the geographic region corresponding to the index information when the license-plate-recognition module fails in recognition, and loads another recognition logic from another local logic module corresponding to another geographic region, the license-plate-recognition module re-executes the OCR process on the recognition image via the loaded another recognition logic to generate the license plate information, and
wherein each of the local license-plate-capture module, the image capture module, the global positioning module, the local control module, the local transmission module, the cloud license-plate-recognition module, the local logic module, the logic selection module and the license-plate-recognition module is performed by a processor.

US Pat. No. 10,090,122

LOW PROFILE KEYBOARD BACKLIGHT MODULE

CHICONY POWER TECHNOLOGY ...

1. A low profile keyboard backlight module, comprising a bottom membrane layer, a top membrane layer and an intermediate membrane layer sandwiched between said bottom membrane layer and said top membrane layer, wherein:said bottom membrane layer is an electrically insulative layer;
said intermediate membrane layer is laminated on a top surface of said bottom membrane layer, comprising a conducting layer, an insulative layer and a light-emitting layer attached together through lamination, wherein the conducting layer comprises a first conducting layer, a second conducting layer, a plurality of bottom electrodes integrally formed on the top surface of the bottom membrane layer and a plurality of second upper electrodes bonded to a bottom surface of the top membrane layer with the plurality of second upper electrodes respectively disposed corresponding to the respective plurality of bottom electrodes;
said top membrane layer is an electrically insulative layer bonded to a top surface of said intermediate membrane layer opposite to said bottom membrane layer, comprising an elastic layer located at a top surface thereof and supporting a set of keys;
wherein the first conducting layer and the plurality of bottom electrodes are made by a one-step processing process, the second conducting layer and the plurality of second upper electrodes are made by a one-step processing process;
wherein when the plurality of second upper electrodes are forced, the plurality of second upper electrodes will touch the respective plurality of bottom electrodes.

US Pat. No. 10,020,751

MULTI-OUTPUT CONTROL SYSTEM AND OPERATING METHOD FOR THE SAME

Chicony Power Technology ...

1. A multi-output control system comprising:a power conversion module configured to output an output power;
a first active linear module coupled to the power conversion module and configured to convert the output power into a first output power;
at least one second active linear module coupled to the power conversion module and configured to convert the output power into at least one second output power;
a control module coupled to the first active linear module and the at least one second active linear module, and configured to receive a plurality of current signals outputted by the first active linear module and the at least one second active linear module; and
a feedback control module coupled to the power conversion module and the control module, and configured to receive the output power,
wherein the control module is configured to control the feedback control module to adjust the output power based on the current signals; the first active linear module and the at least one second active linear module are configured to determine whether a difference value between a current value of the first output power and a current value of the at least one second output power is greater than a current difference predetermined value based on the current signals, and the control module is configured to adjust a voltage value of the first output power and a voltage value of the at least one second output power to respectively be within a predetermined voltage range based on the current signals respectively.

US Pat. No. 9,899,858

POWER ADAPTER WITH POWER SAVING MODE AND POWER-SAVING METHOD FOR POWER ADAPTER

CHICONY POWER TECHNOLOGY ...

1. A power adapter with a power saving mode comprising:
a power adaptation unit comprises:
a pulse width modulation control unit, comprising a decoding-encoding subunit; and
a power saving signal receiver electrically connected to the pulse width modulation control unit;
a power line electrically connected to an electronic apparatus having a battery and the power saving signal receiver; and
a grounding line electrically connected to the power adaptation unit and the electronic apparatus,
wherein when the power adapter enters a working status, the power adapter charges the battery; after the power saving signal
receiver receives a battery fully-charged signal sent from the electronic apparatus through the power line, the power adapter
enters a sleeping status, and

wherein when the power adapter enters the sleeping status, if the battery needs to be charged by the power adapter, the electronic
apparatus informs the pulse width modulation control unit through the power line, the power saving signal receiver, and the
decoding-encoding subunit so that the power adapter enters the working status and charges the battery.

US Pat. No. 10,177,669

DUAL PHASE SHIFTED RESONANT CONVERTER WITHOUT ANY PHASE-LOCKED LOOP

CHICONY POWER TECHNOLOGY ...

1. A dual phase-shifted resonant converter without any phase-locked loop receiving an input power source, the dual phase-shifted resonant converter without any phase-locked loop comprising:a first resonant conversion circuit comprising:
a first switching unit comprising a first switch element and a second switch element, wherein the first switch element is ungrounded coupled between the input power source and the second switch element, and the second switch element is grounded;
a first resonant tank coupled in parallel to the second switch element; and
a first rectifying unit coupled to the first resonant tank;
a second resonant conversion circuit, comprising:
a second switching unit comprising a third switch element and a fourth switch element, wherein the third switch element is ungrounded coupled between the input power source and the fourth switch element, and the fourth switch element is grounded;
a second resonant tank coupled in parallel to the third switch element; and
a second rectifying unit coupled to the second resonant tank; wherein an output side of the second rectifying unit is coupled to an output side of the first rectifying unit to form a common-connected output side;
a detection unit coupled to the common-connected output side and the detection unit configured to provide a detection signal;
an isolated transmission unit coupled to the detection unit and the isolated transmission unit configured to receive the detection signal and provide a feedback signal; and
a control unit configured to receive the feedback signal and control the first switching unit and the second switching unit according to the feedback signal;wherein each of the first resonant tank and the second resonant tank comprising:a resonant capacitor;
a resonant inductor; and
a magnetic conductive unit having a first side and a second side, wherein the first side is coupled in series to the resonant capacitor and the resonant inductor, and the second side is coupled in series to the first rectifying unit or the second rectifying unit;wherein each of the first rectifying unit and the second rectifying unit comprising:an energy-storing element coupled between the second side of the magnetic conductive unit and the common-connected output side; and
a semiconductor element coupled in parallel to the energy-storing element;
wherein the energy-storing element and the resonant capacitor form an equivalent resonant capacitor, and the equivalent resonant capacitor and the resonant inductor determine resonant parameters of the first resonant tank and the second resonant tank;
wherein the energy-storing element is a physical capacitor rather than a parasitic capacitance of the semiconductor element.

US Pat. No. 10,148,183

LOAD DETECTION CIRCUIT AND DUAL-OUTPUT POWER SUPPLY HAVING THE SAME

CHICONY POWER TECHNOLOGY ...

9. A dual-output power supply comprising:a main power converter;
an auxiliary power converter coupled to the main power converter, and configured to provide a switch output end; and
a load detection circuit applied to a power converter, and the load detection circuit coupled to the switch output end, and the load detection circuit comprising:
a voltage adjustment unit configured to receive a switch output voltage provided from the power converter, and adjust the switch output voltage into an adjustment voltage;
an integration unit coupled to the voltage adjustment unit, and configured to receive the adjustment voltage and integrate the adjustment voltage to provide a control voltage; and
a power switch coupled to the integration unit, and configured to receive the control voltage;
wherein when the auxiliary power converter is changed from a no-loading condition to a loading condition, the load detection circuit is configured to output a system notification signal to make the auxiliary power converter provide a predetermined auxiliary output power.

US Pat. No. 10,135,349

POWER SUPPLY DEVICE AND POWER SUPPLY METHOD

CHICONY POWER TECHNOLOGY ...

1. A power supply device, comprising:a first voltage conversion unit configured to perform a step-down operation according to a first voltage, in order to output a first output voltage via a first connection interface; and
a second voltage conversion unit coupled to the first voltage conversion unit, the second voltage conversion unit comprising:
a first rectifying circuit configured to perform a first rectifying operation based on a load information of a load and the first voltage, in order to generate a second voltage; and
a power delivery circuit coupled to the first rectifying circuit, and configured to output the second voltage as a second output voltage to the load on condition that the second voltage meets a voltage requirement of the load information via a second connection interface, wherein the power delivery circuit is coupled to the second connection interface to detect the load information, the first connection interface is different from the second connection interface, and the second output voltage is higher than or equal to the first output voltage.

US Pat. No. 9,995,471

LED LIGHTING DEVICE HAVING A STRUCTURAL DESIGN THAT EFFECTIVELY INCREASES THE SURFACE AREA OF THE CIRCUIT BOARD FOR CIRCUIT LAYOUT

CHICONY POWER TECHNOLOGY ...

1. A LED lighting device, comprising:a LED light housing comprising a hollow outer shell, a reflector cup mounted in said hollow outer shell and a lens mounted in said reflector cup, said hollow outer shell comprising an accommodation chamber, an opening located in a bottom side thereof to connect with said accommodation chamber and the space outside said LED light housing and a planar mounting surface located in said accommodation chamber, said reflector cup comprising a lens mounting hole located on the center thereof and a conical reflective surface defined therein and gradually increased in diameter from said lens mounting hole toward an opposing bottom open side of said reflector cup, said lens comprising a light exit surface facing toward said conical reflective surface of said reflector cup; and
a LED light-emitting module comprising a circuit board mounted between said planar mounting surface of said hollow outer shell and said lens and defining a front side and an opposing back side, a plurality of light-emitting diodes arranged on a center area of the said front side of said circuit board to face toward said light exit surface of said lens, a control circuit installed in said circuit board, said control circuit comprising a driver IC mounted in a border area at the said front side of said circuit board and a capacitor mounted on the said back side of said circuit board, and a power cord electrically coupled with said circuit board and said driver IC and extended out of the said back side of said circuit board for connection to an external power source.

US Pat. No. 10,096,990

SURGE VOLTAGE PROTECTION APPARATUS

CHICONY POWER TECHNOLOGY ...

1. A surge voltage protection apparatus comprising:a surge voltage absorbing component electrically connected to a voltage input side of a power supply apparatus;
a ground component electrically connected to the surge voltage absorbing component;
an electrical status sensing circuit electrically connected to the surge voltage absorbing component and the ground component; and
a control unit electrically connected to the electrical status sensing circuit and the power supply apparatus,
wherein the surge voltage absorbing component receives a surge voltage, so that the electrical status sensing circuit senses an electrical status between the surge voltage absorbing component and the ground component to obtain an electrical data; the electrical status sensing circuit sends the electrical data to the control unit; after the control unit receives the electrical data, the control unit determines the electrical data; when the electrical data is greater than an electrical data predetermined value, the control unit informs the power supply apparatus that the electrical data is greater than the electrical data predetermined value, so that the power supply apparatus is turned off to protect the power supply apparatus.

US Pat. No. 10,381,932

POWER CONVERSION DEVICE AND CONTROL METHOD THEREOF

CHICONY POWER TECHNOLOGY ...

1. A power conversion device, comprising:a primary side rectifier configured to generate a first voltage;
a main converter comprising a power transistor and being configured to adjust the first voltage to generate a second voltage according to a control signal;
a secondary side rectifier configured to generate an output voltage according to the second voltage;
a secondary side feedback controller configured to generate a feedback signal according to the output voltage;
a PWM controller configured to generate a PWM signal according to the feedback signal; and
a driving compensator comprising a driving resistor circuit, wherein the PWM signal outputs the control signal through the driving resistor circuit, and the driving compensator is configured to adjust a resistance value of the driving resistor circuit according to the first voltage;
wherein the driving compensator comprises:
a voltage detection circuit coupled to the primary side rectifier and configured to detect the first voltage; and
a driving compensation circuit coupled to the voltage detection circuit and configured to adjust the resistance value of the driving resistor circuit according to the first voltage.

US Pat. No. 10,171,074

ELECTRONIC SYSTEM

CHICONY POWER TECHNOLOGY ...

1. An electronic system electrically connected to an alternative current (AC) power source, the electronic system comprising:a switch; and
a parallel power conversion device comprising:
a first power conversion module electrically connected to the AC power source and the switch and comprising a first current-sampling unit and a first sensing component arranged between the first current-sampling unit and the switch;
a second power conversion module electrically connected to the AC power source; and
a driver electrically connected to the second power conversion module and comprising an amplifier electrically connected to the first sensing component, a comparator electrically connected to the amplifier, a first semiconductor switch electrically connected to the second power conversion module, and a second semiconductor switch electrically connected to the second power conversion module,
wherein the driver makes the second power conversion module operate in a sleep mode to stop outputting a current and to reduce level of an outputting voltage when another current outputted from the first power conversion module is smaller than a specific value.

US Pat. No. 10,201,071

POWER SUPPLY WITH THERMAL INSULATION FUNCTION

CHICONY POWER TECHNOLOGY ...

1. A power supply with a thermal insulation function, comprising:a casing, having an opening communicating with the interior and the exterior of the casing, and the casing including a first casing member and a second casing member, and the first casing member having a hollow insulation structure disposed thereon and formed by a plurality of ribs;
a circuit board, installed in the casing, and retained on the second casing member; and
a power connector, coupled to the circuit board and configured to be facing the opening;
wherein the first casing member has a first connecting portion, and the second casing member has a second connecting portion, and when the first and second casing members are engaged to form the casing by the corresponding configuration of the first and second connecting portions, the hollow insulation structure divides an area of a surface of the circuit board facing the first casing member into a first insulation space and a second insulation space, and the power connector is disposed in the first insulation space, and the hollow insulation structure is separated with an interval apart from the second insulation space for accommodating air;
wherein the circuit board has a notch configured to be corresponsive to a lower portion of the power connector, and the other surface of the circuit board has a heat transfer structure disposed around the notch.

US Pat. No. 10,568,168

LIGHTING SYSTEM

Chicony Power Technology ...

1. A lighting system, comprising:a power supply unit, used to supply a first power signal and a second power signal;
a power conversion unit, electrically connected to the power supply unit, for receiving and converting the first power signal;
a lighting unit, including a first lighting module and a second lighting module connected to each other in series, wherein the first lighting module is electrically connected to the power conversion unit and emits light or not according to the first power signal;
a first switching unit, electrically connected to the power supply unit for receiving the second power signal, and electrically connected to a first node between the first lighting module and the second lighting module to cause the second lighting module to emit light or not according to the second power signal; and
a first reset unit, electrically connected to the power supply unit and the power conversion unit for receiving the second power signal; wherein when the second lighting module is changed from lighting to no lighting, the first reset unit causes the power conversion unit to stop operating and then restart.

US Pat. No. 10,277,137

POWER CONVERSION CONTROL CIRCUIT

CHICONY POWER TECHNOLOGY ...

1. A power conversion control circuit applied to a flyback converter having a main switch, the power conversion control circuit comprising:at least one bypass switch coupled on a first path or a second path, and the main switch coupled on the second path;
a half-bridge power control unit coupled to the main switch, the half-bridge power control unit comprising:
a first switch pin coupled to the main switch;
a low-side drive pin coupled to the main switch; and
an enable pin coupled to the first path;
an active-clamp control unit coupled to the half-bridge power control unit and the main switch, the active-clamp control unit comprising:
a second switch pin coupled to the main switch;
a low-side signal control pin coupled to the main switch and the low-side drive pin, and configured to provide the low-side control signal; and
an enable signal control pin coupled to the at least one bypass switch, and configured to provide an enable control signal to control the at least one bypass switch;
wherein when the flyback converter is operated in a light-load condition, the active-clamp control unit is configured to turn on the at least one bypass switch, the half-bridge power control unit is coupled to a ground through the first path and the at least one bypass switch, the active-clamp control unit is coupled to the ground through the second path and the main switch, and the active-clamp control unit is configured to provide a low-side control signal to switch the main switch.

US Pat. No. 10,342,089

CONSTANT CURRENT DEVICE AND HEAT DISPERSION MODULE THEREOF

CHICONY POWER TECHNOLOGY ...

1. A constant current device with adaptive distribution of power dissipation, used for stabilizing a current of a light emitting unit, the light emitting unit being electrically connected to a power supply, the constant current device comprising:a current regulating unit, which is electrically connected to the light emitting unit; and
a first heat dispersion module, comprising:
a first impedance element, which is electrically connected between the current regulating unit and a ground;
a first detection control unit, which is electrically connected to the light emitting unit, for detecting a node voltage value between the light emitting unit and the current regulating unit;
a first switch unit, which is electrically connected to the first detection control unit, the current regulating unit and the ground, the first switch unit being controlled by the first detection control unit to switch between an on-state and an open state according to the node voltage value; when the first switch unit is in the on-state, a current of the current regulating unit is conducted to the ground via the first switch unit; when the first switch unit is in the open state, the current of the current regulating unit is conducted to the ground via the first impedance element; and
a first feedback unit, which is electrically connected between the first switch unit and the first detection control unit, causing the first switch unit to exhibit hysteresis when changing between the on-state and the open state.

US Pat. No. 10,312,725

POWER SUPPLY SYSTEM WITH IDENTIFICATION CODE UPDATING CAPABILITY AND METHOD FOR CHARGING AN ELECTRONIC DEVICE

CHICONY POWER TECHNOLOGY ...

1. A power supply system with identification code updating capability used for providing a first power, a second power, or a third power to an electronic device having a first identification (ID) code, the power supply system with identification code updating capability comprising:a power supply device configured to provide the first power, the second power, or the third power to the electronic device and comprising a memory unit for storing a look-up table, wherein the look-up table comprising at least one second ID code, wherein when the second ID code listed in the look-up table matches with the first ID code, the power supply device performs a full-charging procedure for providing the first power met to a largest rated charged power required by the electronic device to the electronic device, when the second ID code does not match with the first ID code, the power supply device performs a low-power-charging procedure for providing the second power smaller than the first power or a non-charging procedure for providing the third power smaller than the second power to the electronic device, a charging time of the electronic device in the lower-power charging procedure is longer than that of in the full-power-charging procedure, and the third power is used for maintain all of operations of the electronic device but charge; and
an ID code updating module electrically connected to the power supply device;
wherein when the second ID code listed in the look-up table does not match with the first ID code, the ID code updating module updates the look-up table by adding the first ID code as a new second ID code in the look-up table so that the new second ID code matching with the first ID code, such that the electronic device is charged with the first power;
wherein the first ID code, the second ID code and the new second ID are vender ID codes.

US Pat. No. 10,260,768

METHOD OF CONTROLLING WATER-PUMP OF AIR CONDITIONING SYSTEM

CHICONY POWER TECHNOLOGY ...

1. A method of controlling a water-pump of an air conditioning applicable to an active air conditioning water circulating system, comprising:a) detecting an environmental parameter and a load value of the active air conditioning water system actively at the active air conditioning water circulating system;
b) adjusting a flow rate of a water-pump of the active air conditioning water system according to a first control logic when the environmental parameter is less than a first preset parameter and the load value is less than a load threshold, wherein the first control logic is an average temperature control logic and used to control the flow rate of the water-pump dynamically according to an average temperature; and
c) adjusting the flow rate of the water-pump according to a second control logic when the environmental parameter is not less than the first preset parameter or the load value is not less than the load threshold, wherein the second control logic is an extremity status control logic and used to control the flow rate of the water-pump dynamically according to an environmental extremity temperature.

US Pat. No. 10,190,906

LIGHT SENSOR SENSING ILLUMINATION OF A PARTIAL AREA

CHICONY POWER TECHNOLOGY ...

1. A light sensor for sensing an illumination of a partial area, with the light sensor comprising:a first case comprising two holes, wherein one of the two holes is a vertical hole, another of the two holes is an oblique hole, and each of the two holes comprises an axis;
a second case fastened to the first case, wherein a containing space is formed between the first case and the second case;
a first light absorption layer located on the first case; and
two sensing modules located in the containing space; wherein positions of the two sensing modules are on the axes of the two holes, wherein the two sensing modules are respectively used for sensing a light from the partial area which passes through the vertical hole and the oblique hole to sense the illumination of the partial area.

US Pat. No. 10,609,833

WATERPROOF HOUSING AND WATERPROOF ELECTRONIC DEVICE HAVING THE SAME

Chicony Power Technology ...

1. A waterproof electronic device, comprising:a waterproof housing, comprising:
a first case, comprising:
a side wall, disposed on an outer periphery of the first case; and
a groove, disposed on the side wall;
a second case, disposed in correspondence with the first case, and the second case comprising:
a first inner wall, disposed at an inner side of the second case, the first inner wall and the side wall being disposed in correspondence with each other;
a welded member, disposed in correspondence with the first case and the second case, and a joint direction of the welded member being different from an opening direction of the groove, wherein an axial length of the welded member relative to a top surface of the first case is greater than an axial length of the groove relative to the top surface of the first case, and the welded member is located below the waterproof unit; and
a waterproof unit, disposed in the groove and partially protruded from the side wall; and
a power conversion unit, disposed between the first case and the second case;
wherein the first case and the second case are jointed to each other via the welded member, and the first case and the second case form an accommodation space together, the power conversion unit is disposed in the accommodation space, and the waterproof unit and the first inner wall are abutted against each other for sealing the first case and the second case.

US Pat. No. 10,355,600

POWER CONVERTER

Chicony Power Technology ...

1. A power converter, configured to drive a load, and comprising:an input circuit, configured to receive an input power and convert the input power to generate a converted power;
an energy storage element, coupled to the input circuit, and configured to store the converted power;
a DC conversion circuit, coupled to the energy storage element, and configured to convert the converted power into at least one DC power and provide the at least one DC power to the load;
a determination circuit, coupled to the input circuit, and providing a determination signal according to the input power;
a secondary power supply, coupled to the determination circuit, the energy storage element and the load, the secondary power supply receiving the converted power as a driving power, providing a first notification signal to the load according to the determination signal and providing a control signal and an enable signal when receiving a second notification signal from the load;
a switch module, coupled to the secondary power supply, and configured to receive the control signal and the enable signal and selectively provide the enable signal according to the control signal; and
an energy absorption module, coupled to the switch module and the energy storage element, and configured to receive the enable signal and selectively absorb the converted power of the energy storage element according to the enable signal.

US Pat. No. 10,020,133

POWER SWITCHING APPARATUS

Chicony Power Technology ...

1. A power switching apparatus comprising:a detection circuit comprising:
a voltage adjusting unit;
a delay unit;
a first switch unit electrically connected to the voltage adjusting unit and the delay unit, the voltage adjusting unit adjusting a starting voltage of the first switch unit, when a main power supplies power normally or the main power stops supplying power but the delay unit continues working in a setting time, the first switch unit being turned on, when the main power stops supplying power and the delay unit stops working, the first switch unit being turned off; and
an isolation unit electrically connected to the first switch unit, when the first switch unit is turned on, the isolation unit sending out a first signal, when the first switch unit is turned off, the isolation unit does not send out the first signal;
a control circuit receiving the first signal; and
an auxiliary power circuit comprising an auxiliary power input side and an output side, the auxiliary power circuit electrically connected to the control circuit, wherein the auxiliary power circuit further comprises:
a first auxiliary-side switch unit electrically connected to the auxiliary power input side;
a second auxiliary-side switch unit electrically connected to the first auxiliary-side switch unit and the control circuit; and
an auxiliary-side diode electrically connected to the output side and the first auxiliary-side switch unit;
wherein when the control circuit receives the first signal, the control circuit renders that the second auxiliary-side switch unit is turned off, so that the first auxiliary-side switch unit is turned off, and that the auxiliary power input side does not conduct to the output side; when the control circuit does not receive the first signal, the control circuit renders that the second auxiliary-side switch unit is turned on, so that the first auxiliary-side switch unit is turned on, and the auxiliary power input side conducts to the output side.

US Pat. No. 10,312,796

POWER SUPPLY SYSTEM AND POWER CONVERTER WITH START CIRCUIT FOR BOOST MODULES

CHICONY POWER TECHNOLOGY ...

1. A power supply system, comprising:a plurality of power converters, wherein output terminals of the plurality of power converters are electrically coupled to each other, and any one of the plurality of converters comprises:
a rectifier unit, configured to generate a first voltage;
a first boost module, electrically coupled to the rectifier unit and configured to generate a second voltage according to the first voltage;
a start circuit, electrically coupled to the first boost module, and configured to provide a third voltage according to the second voltage;
a second boost module, electrically coupled to the start circuit, and configured to generate a fourth voltage according to the third voltage;
a first switch, electrically coupled to the first boost module and the second boost module, and configured to selectively conduct the fourth voltage provided by the second boost module to the first boost module; and
a control unit, electrically coupled to the rectifier unit, the first boost module and the first switch;
wherein after the second boost module receives the third voltage, the fourth voltage is delivered via the first switch from the second boost module to the first boost module, on the condition that the control unit receives the first voltage for a predetermined time, the control unit is configured to turn off the first switch and stop outputting the fourth voltage to the first boost module.

US Pat. No. 10,262,513

LIGHT EMITTING DEVICE

CHICONY POWER TECHNOLOGY ...

1. A light emitting device, comprising:a plurality of light emitting diode unit groups connected in series with each other, wherein each of the plurality of light emitting diode unit groups includes at least one light emitting diode unit;
a battery coupled to a part of the light emitting diode unit groups;
a microprocessor driven by the battery; and
a smoke detector coupled to the microprocessor;
wherein when the light emitting diode unit groups receive power supplied from an external power supply, the external power supply charges the battery through the part of the plurality of light emitting diode unit groups, and the external power supply drives at least one of the plurality of light emitting diode unit groups;
wherein when the light emitting diode unit groups do not receive the power supplied from the external power supply, the battery discharges to drive the at least one of the plurality of light emitting diode unit groups;
wherein when the smoke detector detects that a smoke concentration in an environment exceeds a preset value, the microprocessor sends a flickering signal so that the at least one of the plurality of light emitting diode unit groups flickers.

US Pat. No. 10,594,221

POWER SUPPLY DEVICE AND A POWER SUPPLY METHOD

Chicony Power Technology ...

1. A power supply device, comprising:an input power source detection circuit, configured to detect an input power source to obtain an input power;
a converter, configured to convert the input power source to generate an output power source;
an output power source detection circuit, configured to detect the output power source to obtain an output power;
a feedback unit, configured to generate a first feedback signal according to the output power source;
a conversion control circuit, coupled to the converter and the feedback unit, and configured to control the converter to operate in a skip mode according to the first feedback signal; and
a mode control circuit, coupled to the conversion control circuit, the input power source detection circuit and the output power source detection circuit, and configured to obtain an overall efficiency according to the input power and the output power and obtain a difference between the overall efficiency and a preset efficiency,
wherein the mode control circuit generates a second feedback signal to the conversion control circuit when an output current value of the output power source is within a predetermined range and the difference is greater than a first value so that the conversion control circuit controls the converter to stop operating in the skip mode according to the second feedback signal,
wherein the mode control circuit comprises:
a determination circuit, coupled to the input power source detection circuit and the output power source detection circuit, and configured to determine whether the output current value is within the predetermined range and determine whether the difference is greater than the first value and provide a determination signal when determining that the output current value is within the predetermined range and the difference is greater than the first value; and
a second feedback signal generator, coupled to the determination circuit and the conversion control circuit, and configured to generate the second feedback signal according to the determination signal, wherein the second feedback signal generator comprises:
a first impedance generator, a first terminal of the first impedance generator being coupled to a reference voltage source; and
a second impedance generator, a first terminal of the second impedance generator being coupled to a second terminal of the first impedance generator, the first terminal of the second impedance generator being configured to output the second feedback signal, a second terminal of the second impedance generator being coupled to a reference low potential,
wherein the first impedance generator generates a first impedance according to the determination signal, the second impedance generator generates a second impedance according to the determination signal, and the second feedback signal generator generates the second feedback signal by dividing the reference voltage source according to the first impedance and the second impedance.

US Pat. No. 10,234,619

BACKLIGHT MODULE FOR LIGHT-EMITTING KEYBOARD, LIGHT-EMITTING KEYBOARD USING SAME

CHICONY POWER TECHNOLOGY ...

1. A backlight module for light-emitting keyboard, comprising a light guide plate, said light guide plate comprising a reflective surface, a light-emitting surface opposite to said reflective surface, and a plurality of recessed dots located on said reflective surface to create an optical path of a continuous wave-like reflecting portion for facing toward a key switch unit in said light-emitting keyboard, wherein said continuous wave-like reflecting portion exhibits a continuous ring-shaped pattern formed of a series of ring-shaped square waves, triangular waves, sawtooth waves or sine waves.

US Pat. No. 10,103,560

CHARGER WITH WIDE RANGE OUTPUT VOLTAGE

CHICONY POWER TECHNOLOGY ...

1. A charger with a wide range output voltage comprising:a voltage output side;
a first constant voltage output unit electrically connected to the voltage output side, and the first constant voltage output unit generating a first constant voltage;
a voltage modulation unit electrically connected to the first constant voltage output unit; and
a load voltage detection unit electrically connected to the voltage output side, the first constant voltage output unit and the voltage modulation unit, and the load voltage detection unit detecting a load voltage and transmitting the load voltage to the voltage modulation unit,
wherein according to the load voltage and a load charging voltage requirement, the voltage modulation unit generates a modulation voltage and transmits the modulation voltage to the first constant voltage output unit; the first constant voltage output unit transmits the first constant voltage and the modulation voltage to the voltage output side;
wherein the modulation voltage is an n times of a second constant voltage; the n is a positive number.

US Pat. No. 10,073,121

INPUT-VOLTAGE-OFF DETECTION APPARATUS AND POWER SUPPLY WITH INPUT-VOLTAGE-OFF DETECTION APPARATUS

Chicony Power Technology ...

1. A power supply comprising:an input-voltage-off detection apparatus;
an auxiliary voltage winding electrically connected to the input-voltage-off detection apparatus;
a main converter electrically connected to the auxiliary voltage winding;
a pulse width modulation controller electrically connected to the auxiliary voltage winding and the main converter;
a primary side filtering capacitor electrically connected to the main converter;
a bridge rectifier electrically connected to the primary side filtering capacitor, the pulse width modulation controller and the auxiliary voltage winding;
an output side filter electrically connected to the main converter and an electronic apparatus; and
a feedback circuit electrically connected to the output side filter, the electronic apparatus and the pulse width modulation controller,
wherein the input-voltage-off detection apparatus comprises:
a voltage adjustment unit receiving an input voltage;
a time delay unit electrically connected to the voltage adjustment unit and utilizing the input voltage to generate a direct current voltage;
a voltage clamp unit electrically connected to the voltage adjustment unit and the time delay unit;
an auxiliary voltage discharge switch unit electrically connected to the voltage adjustment unit, the time delay unit, the voltage clamp unit and the auxiliary voltage winding; and
an isolation notification unit electrically connected to the auxiliary voltage winding, the auxiliary voltage discharge switch unit and the electronic apparatus,
wherein after the input voltage is cut off, the direct current voltage stored in the time delay unit discharges to the voltage adjustment unit; when the direct current voltage reduces to a predetermined voltage, the auxiliary voltage discharge switch unit is turned on, so that the auxiliary voltage winding sends a working voltage to the isolation notification unit; after the isolation notification unit receives the working voltage, the isolation notification unit notifies the electronic apparatus that the input voltage is cut off.

US Pat. No. 10,645,821

HOUSING STRUCTURE

CHICONY POWER TECHNOLOGY ...

1. A housing structure, comprising:a connector,
a first housing comprising:
a first cover board,
a first sideboard connected to the first cover board, wherein the connector is exposed from the first sideboard,
two second sideboards connected to the first cover board and two ends of the first sideboard,
a plurality of first recesses disposed at sides of the second sideboards away from the first cover board, and
a plurality of bumps disposed in the first recesses, respectively, wherein a gap is formed between each of the bumps and a side wall of the corresponding first recess closest to the first cover board; and
a second housing comprising:
a second cover board,
two third sideboards connected to the second cover board and corresponding to the second sideboards,
a first connect board disposed on the second cover board and contacting against an end of the connector away from the first sideboard, the first connect board being in parallel with the third sideboards, and
a plurality of connect hooks protruded from one sides of the third sideboards away from the second cover board for engaging with the bumps.

US Pat. No. 10,534,029

POWER CONVERSION APPARATUS

CHICONY POWER TECHNOLOGY ...

1. A power conversion apparatus, comprising:a primary-side circuit, having two output ends, wherein the primary-side circuit is adapted to rectify and boost an alternating-current (AC) power and output a primary-side output from the two output ends;
a bulk capacitor, connected in parallel to the two output ends;
a conversion circuit, configured to receive the primary-side output passing through the bulk capacitor and convert the primary-side output into a secondary-side output; and
a master control circuit, configured to detect an electric power state of the AC power and a capacitor voltage of the bulk capacitor, and configured to obtain, when the electric power state is power-off, a time interval, a power of the secondary-side output corresponding to the time interval, and two of the capacitor voltages corresponding to a start and an end of the time interval, and selectively output an abnormal signal according to the time interval, the power, the capacitor voltages, and a threshold;
wherein the master control circuit comprises a primary control circuit and a secondary control circuit, the primary control circuit is configured to detect the electric power state of the AC power and the capacitor voltage of the bulk capacitor, and the secondary control circuit is configured to obtain the time interval, the power of the secondary-side output corresponding to the time interval, and the two capacitor voltages corresponding to the start and the end of the time interval when the electric power state is power-off, and selectively output the abnormal signal according to the time interval, the power, the capacitor voltages, and the threshold.

US Pat. No. 10,483,018

TRANSMISSION CABLE AND POWER SUPPLY DEVICE HAVING TRANSMISSION CABLE

CHICONY POWER TECHNOLOGY ...

1. A transmission cable, comprising:a cable body, having a first end and a second end, the cable body comprising a power supply wire and a signal wire;
a return control circuit, located at the second end, and configured to selectively electrically connect the power supply wire to the signal wire; and
a determining circuit, located at the first end, and configured to determine a return voltage of the signal wire and output a first signal when the return voltage is less than a threshold.

US Pat. No. 10,312,764

FIXING DEVICE FOR JUNCTION WIRES OF STATOR OF MOTOR

Chicony Power Technology ...

1. A fixing device for junction wires of a stator of a motor, the fixing device comprising:a box having a plurality of circular grooves radially arranged at a side of the box, the box further having a plurality of terminal accommodating grooves located at a peripheral edge at the side of the box; and
a plurality of flat conductors, each of the flat conductors comprising an arc-shaped holding portion and two terminals connected to an upper edge of the arc-shaped holding portion and horizontally bended, wherein the arc-shaped holding portions are accommodated in the circular grooves, the terminals are exposed out of the circular grooves and partially accommodated in two of the terminal accommodating grooves, respectively, a number of the arc-shaped holding portions accommodated in one of the circular grooves is plural, and the arc-shaped holding portions accommodated in said one of the circular grooves have different lengths in a circumferential direction,
wherein at least one of the terminals has an extending section extending over at least one of the circular grooves, and a distance between the extending section and the arc-shaped holding portion of the flat conductor in the at least one circular groove is a fixed value.

US Pat. No. 10,605,380

CLAMPING RING AND SHELL STRUCTURE HAVING THE SAME

Chicony Power Technology ...

1. A shell structure, comprising:a substrate;
a side board disposed around an edge of the substrate, wherein the side board is extended upward along the edge of the substrate and has an inner surface;
a connecting portion disposed on the side board, the connecting portion comprising:
a first hole disposed at an outer surface of the side board;
a continuous wall extended toward a direction of the inner surface along an edge of the first hole to form an accommodation space;
a retaining wall disposed at an end of the continuous wall adjacent to the inner surface; and
a second hole disposed at the retaining wall and disposed corresponding to the first hole, wherein the first hole is larger than the second hole;a wire passing through the accommodation space, wherein a portion of the wire is engaged with the retaining wall; anda clamping ring engaged with an end of the wire adjacent to the second hole, wherein the clamping ring is located outside the accommodation space and an outer diameter of the clamping ring is greater than an aperture of the second hole, the clamping ring comprising:
a connecting beam;
two engaging members respectively disposed at two ends of the connecting beam, wherein the connecting beam and the two engaging members are adapted to accommodate and position the wire,
wherein at least one of the two engaging members comprises:
a curved portion having an obliquely extended neck block, wherein the neck block is coupled to the corresponding end of the connecting beam such that the curved portion has a vertical distance with respect to the connecting beam, and an inside of the curved portion forms a hollow groove;
a column foot coupled to a bottom of the curved portion opposite to the neck block, wherein an angle is formed between the column foot and the connecting beam; and
a hook coupled to the column foot, wherein a deforming groove is formed between the column foot and the hook,
wherein the hook has a guide surface disposed at a side of the hook away from the column foot, and a horizontal distance of the guide surface opposite to the restricting column is gradually increased toward the connecting beam.

US Pat. No. 10,468,817

HOUSING DEVICE WITH SLIDABLE ENGAGEMENT

CHICONY POWER TECHNOLOGY ...

1. A housing device with slidable engagement, comprising:a housing body comprising an opening side and a lateral adjacent to the opening side, wherein the lateral has a through hole, and an inner surface of the lateral is provided with a guide structure;
a fitting inserted into the housing body through the through hole; and
a sliding buckle slidably assembled on the guiding structure, wherein the sliding buckle comprises two clamping arms, and the two clamping arms correspondingly clamp to an outside of the fitting;
wherein the guide structure comprises a sliding rail, the sliding buckle is provided with a sliding groove, and the sliding buckle is slidably assembled with the sliding rail by the sliding groove.

US Pat. No. 10,326,360

POWER SUPPLYING DEVICE

CHICONY POWER TECHNOLOGY ...

1. A power supplying device for providing power to a plurality of load, wherein the power supplying device comprises:a detecting circuit electrically connected to a plurality of output terminals, and configured to detect whether the output terminals are electrically connected to the loads, and configured to output a detecting signal, wherein the detecting signal comprises one or more amplified signals, and the number of the one or more amplified signals is equal to a number of the loads which are electrically connected to the output terminals;
a controlling circuit electrically connected to the detecting circuit, and configured to receive the detecting signal and output a controlling signal according to the number of the one or more amplified signals of the detecting signal; and
a constant current circuit electrically connected to the controlling circuit and the output terminals, and configured to drive the power supplying device to output a maximum current or part of the maximum current according to the controlling signal.

US Pat. No. 10,110,058

POWER CONVERSION DEVICE AND METHOD FOR PREVENTING ABNORMAL SHUTDOWN THEREOF

CHICONY POWER TECHNOLOGY ...

1. A method for preventing abnormal shutdown of a power conversion device comprising:providing the power conversion device comprising a main power supply and a standby power supply, wherein the standby power supply is electrically connected to the main power supply and provides an operation voltage for a plurality of microcontrollers of the main power supply;
performing a monitoring procedure for monitoring the operation voltage during the power conversion device transits from a standby mode to a non-standby mode and the standby power supply being inactivated; and
forcing the standby power supply to activate before the operation voltage is lower than a lowest compensation voltage to prevent the power conversion device from abnormal shutdown.

US Pat. No. 10,362,910

HAND DRYER DEVICE

CHICONY POWER TECHNOLOGY ...

1. A hand dryer device used to cooperate with a home appliance having an airflow driver, comprising:a first housing having a first body and a first extension portion, wherein the first extension portion is connected to the first body;
a second housing disposed corresponding to the first housing and having a second body and a second extension portion, wherein the second extension portion is connected to the second body, the second body is connected to the first body for defining an accommodating space, the second extension portion and the first extension portion together form a concave annular structure, the concave annular structure has an extension space therein, and the home appliance is received in the accommodating space; and
an airflow driving unit disposed in the accommodating space and the extension space, and comprises:
a sensor disposed on an outer surface of the first housing and/or the second housing, wherein the sensor detects and outputs a sensing signal,
a control module receiving the sensing signal and outputting a control signal to enable the airflow driver of the home appliance to output a strong airflow, and
an airflow guiding structure disposed adjacent to an air outlet of the airflow driver and extending to the extension space.

US Pat. No. 10,355,608

POWER CONVERTER MODULE

CHICONY POWER TECHNOLOGY ...

1. A power converter module, comprising:a carrier board comprising a converter and a first rectifying unit arranged thereon;
a transformer comprising:
a first primary winding portion arranged on a first side of the carrier board and coupled to a first output terminal of the converter; and
a first secondary winding portion arranged between the first side and the first primary winding portion and coupled to the first rectifying unit; and
a first inductor comprising:
a first inductor input portion arranged on the first side and coupled to the first rectifying unit, wherein the first secondary winding portion is implemented with a first conductive plate, and the first inductor input portion and the first conductive plate are integrally formed; and
a first inductor output portion coupled to the first inductor input portion and arranged on the first side of the carrier board or arranged corresponding to the first inductor input portion and on a second side of the carrier board,
wherein the carrier board comprises:
a plurality of through-holes penetrating through the first side and the second side,
wherein the first primary winding portion is coupled to the first output terminal of the converter via a first through-hole of the plurality of through-holes, and the first inductor input portion is coupled to the first inductor output portion via a second through-hole of the plurality of through-holes if the first inductor output portion is arranged on the second side.

US Pat. No. 10,348,163

STATOR ASSEMBLY AND ENGAGING TYPE STATOR CORE

CHICONY POWER TECHNOLOGY ...

1. A stator assembly, wherein the stator assembly is configured to be assembled to form a stator core, the stator assembly comprising:a tooth and a yoke, wherein one end of the tooth is connected to the yoke, the yoke has an inner side, an outer side, a first coupling side, and a second coupling side, the inner side is connected with the tooth and one of the first and second coupling sides, the inner side includes an outer segment and an inner segment, the outer segment is arc-shaped, the inner segment is linear, the outer side is opposite to the inner side and is connected with the first coupling side and the second coupling side, the first coupling side comprises a first engaging structure, the second coupling side comprises a second engaging structure, the second engaging structure is configured to engage with the first engaging structure of another stator assembly, the outer side has a groove, the groove has a side surface and a bottom surface, an angle is defined between the side surface and the bottom surface, the angle is in a range from 135° to 165°, and a ratio of L340 to L311 is 1.1-2, where L340 is a distance between the first engaging structure and the inner side, and L311 is a length of the outer segment.

US Pat. No. 10,715,040

VOLTAGE COMPENSATION CIRCUIT AND VOLTAGE COMPENSATION METHOD

Chicony Power Technology ...

1. A voltage compensation circuit, adapted to compensate a voltage value of an output power of a power supply, the voltage compensation circuit comprising:a current detection unit, configured to detect a load current provided by the power supply;
a voltage conversion unit, coupled to the current detection unit, and configured to generate a load voltage according to the load current;
a voltage comparison unit, coupled to the voltage conversion unit, and configured to compare the load voltage with at least one reference voltage to generate a switch control signal;
a control circuit, coupled to the voltage comparison unit, comprising at least one switch, and configured to drive the at least one switch according to the switch control signal; and
a voltage compensation unit, coupled to the control circuit, and configured to provide a compensation resistance value according to the at least one switch that is turned on, wherein the voltage compensation unit provides a compensation voltage to the power supply according to the compensation resistance value,
wherein the voltage comparison unit comprises:
a first switch control signal generator, coupled to the voltage conversion unit to receive the load voltage, and configured to compare the load voltage with a first reference voltage of the at least one reference voltage to provide a first switch control signal in the switch control signal to a first switch of the at least one switch; and
a second switch control signal generator, coupled to the voltage conversion unit to receive the load voltage, and configured to compare the load voltage with a second reference voltage of the at least one reference voltage to provide a second switch control signal in the switch control signal to a second switch of the at least one switch,
wherein the first reference voltage and the second reference voltage are generated at a same time, wherein a voltage value of the first reference voltage is different to a voltage value of the second reference voltage.

US Pat. No. 10,671,710

DIGITAL AUTHENTICATION SYSTEM

CHICONY POWER TECHNOLOGY ...

1. A digital authentication system, comprising:an authentication device comprising a signal identification module, a display, and a signal feedback unit; and
a central computer device comprising an authentication module and a communication module, the authentication module comprising at least one positioning location information, at least one authentication licensing information, and at least one time information, the communication module being configured to transmit the positioning location information and the time information to the authentication device,
wherein the authentication device is configured to activate the signal identification module according to the positioning location information and the time information,
wherein when the activated signal identification module receives an external authentication signal, the display displays an authentication result, and the signal feedback unit returns an authentication license to the central computer device,
wherein the authentication module comprises a timing unit configured to output a first timing according to receiving of a verification request, and when the first timing is in accordance with the time information, the authentication device activates the signal identification module,
wherein the timing unit is further configured to output a second timing according to receiving of another verification request, and when the second timing is in accordance with the time information, the signal feedback unit returns the authentication license to the central computer device,
wherein the authentication module comprises a positioning unit configured to output a first location information according to receiving of a verification request, and when the first location information is in accordance with the positioning location information, the authentication device activates the signal identification module, and
wherein the positioning unit is further configured to output a second location information according to receiving of another verification request, and when the second location information is in accordance with the positioning location information, the signal feedback unit returns the authentication license to the central computer device.

US Pat. No. 10,666,155

SYNCHRONOUS RECTIFICATION DEVICE AND METHOD THEREOF

CHICONY POWER TECHNOLOGY ...

1. A synchronous rectification device, adapted to control a conversion circuit, wherein the conversion circuit comprises a primary side coil and a secondary side coil, the primary side coil is configured to receive an input power, and the secondary side coil is configured to generate an inductive power in response to the input power, and the synchronous rectification device comprises:a first control circuit, configured to provide a first control signal to control the primary side coil;
a primary side switch, configured to be turned on or off according to the first control signal;
a secondary side switch, configured to generate an ON signal and an OFF signal according to the inductive power, wherein when the primary side switch is on, the secondary side switch is off;
an optical isolation coupling element, comprising:
a receiving side, configured to receive the first control signal; and
a reaction side, configured to generate a coupling signal in response to the first control signal; and
a second control circuit, configured to output a second control signal according to the coupling signal, the ON signal, and the OFF signal to adjust the inductive power, wherein the second control circuit adjusts the second control signal according to the OFF signal to turn off the secondary side switch, and the secondary side switch is configured to be turned on or off according to the second control signal to adjust the inductive power, wherein within one of a plurality of ON/OFF cycles of the secondary side switch, the second control circuit adjusts the second control signal according to the OFF signal to turn off the secondary side switch.

US Pat. No. 10,593,492

ILLUMINATING KEYBOARD AND LIGHT EMITTING MODULE THEREOF

CHICONY POWER TECHNOLOGY ...

1. An illuminating keyboard, comprising:a keyboard module, having an opaque region; and
a light emitting module, correspondingly disposed to the keyboard module, the light emitting module comprising:
a light guiding plate, comprising:
a first surface, disposed toward the keyboard module;
a second surface, located on an opposite side of the first surface; and
an accommodating groove, located between the first surface and the second surface and corresponding to the opaque region, the accommodating groove including a first sidewall, a second sidewall, a first light divergence segment and a second light divergence segment, wherein the first light divergence segment is disposed on the first sidewall, and the second light divergence segment is disposed on the second sidewall;
a first light emitting component, located in the accommodating groove and disposed toward the first sidewall, wherein light beams emitted from the first light emitting component are injected into the light guiding plate via the first light divergence segment; and
a second light emitting component, located in the accommodating groove and disposed toward the second sidewall, wherein light beams emitted from the second light emitting component are injected into the light guiding plate via the second light divergence segment.

US Pat. No. 10,714,958

CHARGING APPARATUS AND OPERATING METHOD THEREOF

Chicony Power Technology ...

1. A charging apparatus configured to charge a battery device, the charging apparatus comprising:a power conversion circuit configured to provide a charging power to charge the battery device;
a feedback circuit coupled to the power conversion circuit and configured to generate a feedback signal associated with the charging power for the power conversion circuit, wherein the power conversion circuit correspondingly adjusts the charging power according to the feedback signal;
an identifier control circuit coupled to the feedback circuit and configured to receive identifier information from the battery device and determine whether to control the feedback circuit to change the feedback signal according to the identifier information to dynamically adjust the charging power to adapt to the battery device; and
a low voltage trickle control circuit coupled to the feedback circuit and the power conversion circuit and configured to determine whether to control the feedback circuit to change the feedback signal according to a voltage of the charging power to cause the power conversion circuit to trickle charge the battery device,
wherein when the low voltage trickle control circuit controls the feedback circuit to change the feedback signal, the feedback circuit ignores control of the identifier control circuit,
wherein the low voltage trickle control circuit comprises:
a voltage detecting circuit coupled to the power conversion circuit and configured to detect the charging power to obtain a detecting voltage; and
a voltage comparing circuit coupled to the voltage detecting circuit to receive the detecting voltage and configured to compare the detecting voltage with a threshold voltage to obtain a comparison result, wherein the voltage comparing circuit determines whether to control the feedback circuit to change the feedback signal according to the comparison result.

US Pat. No. 10,715,047

RESONANT POWER CONVERSION DEVICE

CHICONY POWER TECHNOLOGY ...

1. A resonant power conversion device, comprising:a primary side circuit, configured to receive an input power to output a primary side power according to a control signal, wherein the control signal has a primary frequency, and a frequency of the primary side power corresponds to the primary frequency;
a frequency detecting circuit, configured to detect the primary frequency and convert the primary frequency into a corresponding potential;
a resonant converting circuit, configured to electrically couple the primary side power to output a resonant power;
a secondary side circuit, configured to convert the resonant power into a secondary side power;
a secondary detecting circuit, configured to detect the secondary side power and generate a voltage signal corresponding to the secondary side power; and
a control circuit, configured to output the control signal corresponding to the voltage signal, and not to output the control signal when the corresponding potential is higher than a predetermined level;
wherein the primary side circuit comprises:
a primary side convertor, the primary side convertor comprising a subtractive polarity winding and an additive polarity winding, wherein the subtractive polarity winding is configured to generate a first gate control signal in response to the control signal, and the additive polarity winding is configured to generate a second gate control signal in response to the control signal.

US Pat. No. 10,578,329

PERFORMANCE FORECASTING METHOD

CHICONY POWER TECHNOLOGY ...

1. A performance forecasting method applied to an air conditioning system, wherein the air conditioning system at least comprises an air conditioning equipment and a central server; a plurality of detecting elements are arranged on the air conditioning equipment and configured to detect a plurality of physical parameters and a performance value of the air conditioning equipment; the central server is connected to the plurality of detecting elements through wireless connection or wired connection, and the performance forecasting method comprises:the central server receiving the plurality of physical parameters and the performance value detected by the plurality of detecting elements at every predetermined interval, and storing the plurality of physical parameters and the performance value as a set of first parameters and a first performance value;
the central server establishing a comparison database based on the stored each set of the first parameters and the first performance values corresponding to each set of the first parameters;
the central server receiving other physical parameters and another performance value detected by the plurality of detecting elements, and storing the other physical parameters and the another performance value as a set of second parameters and a second performance value;
the central server calculating a similarity between the set of the second parameters and each set of the first parameters in the comparison database according to the law of cosine;
the central server selecting out the sets of the first parameters which have the similarity being greater than a selecting threshold, and calculating an expected performance value based on the plurality of the first performance values corresponding to the selected plurality sets of the first parameters;
the central server calculating an error value between the expected performance value and the second performance value to determine a performance decline degree of the air conditioning system; and
the central server generating a warning message and switching off the air conditioning equipment for maintenance when the error value is greater than a decline threshold.

US Pat. No. 10,243,384

BATTERY CHARGE APPARATUS AND CHARGE SYSTEM

CHICONY POWER TECHNOLOGY ...

1. A battery charge apparatus comprising a first charge module and a second charge module, each of the first charge module and the second charge module comprising a main power input terminal, a main power output terminal, an auxiliary power input terminal, an auxiliary power output terminal, a processor, an auxiliary power switch, and at least one charge unit, the auxiliary power switch connected to the auxiliary power input terminal and the auxiliary power output terminal, and the processor electrically connected to the auxiliary power switch and the charge unit;wherein the main power output terminal of the first charge module is connected to the main power input terminal of the second charge module, the auxiliary power output terminal of the first charge module is connected to the auxiliary power input terminal of the second charge module, the main power input terminal of the first charge module is connected to a main power, and the auxiliary power input terminal of the first charge module is connected to an auxiliary power;
wherein the auxiliary power switch of the first charge module is turned on and the auxiliary power is conducted to the second charge module after a charge-unit-address code is produced and sent to the charge unit of the first charge module by the processor of the first charge module, and a charge-module-address code provided by the first charge module is transmitted to the second charge module based on a charge-module-address request generated by the second charge module and transmitted to the first charge module;
wherein the processor of the first charge module is configured to control the charge unit of the first charge module to perform charge procedure in accordance with the charge-unit-address code when the charge unit of the first charge module is not fully charged, and the processor of the first charge module is configured to generate a charge command having the charge-module-address code and transmits the charge command to the second charge module after the charge unit of the first charge module is fully charged;
wherein the processor of second charge module is configured to control the charge unit of second charge module to perform charge procedure after the charge unit of the second charge module receives the charge command, the second charge module generates a fully charged information when the charge unit of the second charge module is fully charged and transmits the fully charged information to the first charge module; and
wherein the auxiliary power is used to first activate one of the first charge module and the second charge module and then to activate the remain of the first charge module and the second charge module, the first charge module and the second charge module are charged according to a sequence of activating.

US Pat. No. 10,164,539

POWER CONVERSION SYSTEM WITH CLAMP MODE SWITCHING

CHICONY POWER TECHNOLOGY ...

1. A power conversion system with clamp mode switching, comprising:a clamp conversion circuit, operating in an active clamp mode or a non-active clamp mode;
a switching circuit module comprising a switching unit, the switching unit coupled to the clamp conversion circuit;
a pulse-width modulation control module, coupled to the switching circuit module and the clamp conversion circuit; and
a feedback control module, coupled to the switching circuit module, the pulse-width modulation control module, and the clamp conversion circuit;
wherein when the feedback control module is configured to transmit a feedback voltage to the switching circuit module and the pulse-width modulation control module, the pulse-width modulation control module is configured to stabilize the feedback voltage, and the switching circuit module is configured to switch the clamp conversion circuit to operate in the active clamp mode or the non-active clamp mode according to the feedback voltage;
wherein when the feedback voltage is at a light-loading condition, the switching circuit module disables the switching unit so that the clamp conversion circuit operates in the non-active clamp mode.

US Pat. No. 10,249,458

ELECTRICAL SEAL

CHICONY POWER TECHNOLOGY ...

1. An electronic seal for a touch device, the electronic seal comprising:a housing having at least one through track, wherein the at least one through track is disposed on a bottom of the housing;
a cover disposed on and covering the housing;
at least one touch piece movably disposed on the at least one through track and partially exposed out of the housing; and
a transmission mechanism comprising a driving member, wherein the driving member drives the at least one touch piece to move along the at least one through track when the driving member is actuated relative to the housing.

US Pat. No. 10,439,489

HYBRID-MODE BOOST POWER FACTOR CORRECTOR AND METHOD OF OPERATING THE SAME

Chicony Power Technology ...

1. A hybrid-mode boost power factor corrector comprising:an inductor having a first end coupled to a DC input power source and a second end;
a switch unit having a first end and a second end coupled to a ground;
a diode unit having a first end coupled to the second end of the inductor and the first end of the switch unit, and a second end, where a DC output power is provided between the second end of the diode unit and the ground to supply electric power to a load;
a current-detecting unit receiving an inductor current flowing through the inductor and providing a current detection signal corresponding to a magnitude of the inductor current; and
a control unit coupled to the current-detecting unit and receiving the current-detecting unit;
wherein, when the hybrid-mode boost power factor corrector is operated in a light-load condition, the control unit samples a peak value of the current detection signal; when the hybrid-mode boost power factor corrector is operated in a heavy-load condition, the control unit samples an average value of the current detection signal;
wherein the current-detecting unit is arranged on an energy-releasing path provided by the inductor, and the switch unit has a switching period and a duty ratio; when the load is heavy, the control unit is configured to sample an average value of the current detection signal at a sampling time point, wherein the sampling time point is:

wherein tsp is the sampling time point, toff is off-starting time for the switch unit, D is the duty ratio, and Tsw is the switching period.

US Pat. No. 10,447,060

CHARGING DEVICE AND CHARGING SYSTEM

CHICONY POWER TECHNOLOGY ...

1. A charging device, used to charge an energy storage element, the charging device comprising:a main control circuit configured to provide an output voltage;
a connecting interface, when the energy storage element connects to the charging device, the connecting interface is coupled to two terminals of a temperature control element;
a power supply circuit coupled to the connecting interface and the main control circuit and configured to selectively provide a main operating voltage, when the energy storage element connects to the charging device, the power supply circuit provides a standby voltage to a first terminal of the temperature control element; and
a detecting circuit coupled to the connecting interface, the detecting circuit comprising;
an optical coupling element, the power supply circuit coupled to a first terminal of the optical coupling element;
a switch element, a first terminal of the switch element coupled to a second terminal of the optical coupling element a control terminal of the switch element coupled to a second terminal of the temperature control element; and
a detecting resistor element, a first terminal of the detecting resistor element coupled to the second terminal of the temperature control element and the control terminal of the switch element,
when the energy storage element connects to the charging device, the detecting circuit generates a detecting signal, and the detecting signal is used to trigger the power supply circuit to provide the main operating voltage to the main control circuit, so as to make the main control circuit to charge the energy storage element by the output voltage, wherein when temperature of the energy storage element exceeds a threshold, the temperature control element makes the detecting circuit not to generate the detecting signal and the power supply circuit ceases to provide the main operating voltage to the main control circuit and the main control circuit stops providing the output voltage.

US Pat. No. 10,769,504

EXPANDING APPLIANCE FOR IMAGE IDENTIFYING MODULES AND EXPANDING METHOD FOR EXPANDING APPLIANCE

CHICONY POWER TECHNOLOGY ...

1. An expanding appliance for image identifying modules, for expanding identification function of an image input device, comprising:a connect port, connected with the image input device which is configured to capture an image data;
an image register;
an image capturing module, connected with the connect port and the image register, configured to sample the image data captured by the image input device for producing samples and to quantize the samples as at least one computation data, and configured to store the computation data to the image register;
an image transmitting module, connected with the image register and at least one function module, wherein the function module has an independent computing unit and is configured to execute a unique image identification procedure;
an intelligent control module, connected with the image capturing module and the image transmitting module, configured to generate at least one demanding command corresponding to the at least one function module connected to the image transmitting module, and configured to control the image capturing module to obtain the image data satisfying at least an image requirement of the at least one function module according to the at least one demanding command; and
a result displaying module, connected with the intelligent control module;
wherein the image transmitting module is configured to receive an identified result generated by the function module via executing the image identification procedure according to the computation data, and the image transmitting module is configured to convey the identified result to the intelligent control module for the intelligent control module to trigger the result displaying module for displaying the identified result;
wherein the image capturing module is configured to sample the image data according to the at least one demanding command and to perform an image pre-process on the image data for quantizing the samples as the at least one computation data required by the at least one function module, wherein the at least one computation data is able to be directly identified by the image identification procedure of the at least one function module.

US Pat. No. 10,581,240

PROTECTIVE CIRCUIT WITH LOW POWER CONSUMPTION

CHICONY POWER TECHNOLOGY ...

1. A protective circuit with low power consumption, comprising:a load detection module coupled to a current detection unit;
a feedback control module coupled to the load detection module; and
a protective discharge module coupled to the load detection module and a switch;
wherein the load detection module is configured to detect a detection voltage of the current detection unit; when the detection voltage detected by the load detection module is less than a determined voltage value, the protective discharge module is configured to turn off the switch to disconnect an output voltage outputted from the protective circuit;
wherein when the switch is short circuited, the load detection module is configured to notify the feedback control module to regulate the output voltage to zero.

US Pat. No. 10,693,347

MOTOR DEVICE AND HEAT DISSIPATION DEVICE

CHICONY POWER TECHNOLOGY ...

1. A motor device, comprising:a motor comprising a plurality of fins separately arranged at a lateral portion of the motor;
a motor driver housing comprising a bottom surface facing the lateral portion of the motor, wherein a gap is provided between the bottom surface and the lateral portion of the motor, and all parts of the motor driver housing do not contact the motor and are not installed at the motor;
a motor control circuit board disposed in the motor driver housing and adjacent to the bottom surface;
a heat dissipation device disposed at an end portion of the motor and connected to the motor driver housing, wherein the heat dissipation device comprises:
a heat dissipation housing comprising an inlet and a first outlet communicating with each other, wherein the first outlet faces the gap between the bottom surface and the lateral portion of the motor, and
a single fan disposed in the heat dissipation housing;
a heat isolation element, wherein two ends of the heat isolation element are respectively connected to the motor and the heat dissipation housing; and
at least a fixing element passing through the heat isolation element and fixing the heat dissipation housing to the end portion of the motor.

US Pat. No. 10,888,008

INSULATION COVER FIXING STRUCTURE AND PROTECTION DEVICE

CHICONY POWER TECHNOLOGY ...

1. An insulation cover fixing structure for a power conversion module, comprising:a first insulation cover including a first bottom plate and a first side plate extended perpendicularly from a side of the first bottom plate, and the power conversion module disposed on the first insulation cover;
a first metal shielding cover disposed at an outer side of the first insulation cover; the first metal shielding cover including a second bottom plate and a second side plate extended perpendicularly from a side of the second bottom plate; and
an engaging unit disposed on at least one of the first insulation cover and the first metal shielding cover; the first metal shielding cover and the first insulation cover being fixed by the engaging unit; the engaging unit including a first tongue extended with bend from one of the first side plate and the second side plate toward the other and a second tongue extended from the first tongue; and the second tongue being pressed against the other of the first side plate and the second side plate;
wherein the second tongue is not embedded into the first insulation cover and the first metal shielding cover.

US Pat. No. 10,615,699

VOLTAGE CONVERTER AND VOLTAGE CONVERSION METHOD FOR REDUCING COMMON MODE NOISE

Chicony Power Technology ...

1. A voltage converter for reducing common mode noise, comprising:a transformer comprising a bobbin, a core, at least one primary coil, and at least one secondary coil, wherein the at least one primary coil and the at least one secondary coil are wound around the bobbin, and the bobbin covers the core;
a primary side conversion circuit coupled to the transformer;
a secondary side conversion circuit coupled to the transformer;
at least one first capacitor, wherein a first terminal of the at least one first capacitor is connected to the core and a second terminal of the at least one first capacitor is connected to a ground terminal of the primary side conversion circuit to provide a common mode noise conduction path according to a capacitance value of the at least one first capacitor;
at least one second capacitor coupled between the at least one primary coil and the at least one secondary coil; and
at least one third capacitor, wherein a first terminal of the at least one third capacitor is coupled to the core, and a second terminal of the at least one third capacitor is coupled to the primary side conversion circuit or the secondary side conversion circuit,
wherein the capacitance value of the at least one first capacitor is greater than a capacitance value of the at least one second capacitor and a capacitance value of the at least one third capacitor.

US Pat. No. 10,770,981

VOLTAGE CONVERSION MODULE AND BOBBIN

CHICONY POWER TECHNOLOGY ...

1. A voltage conversion module comprising:a front side magneto-sensitive unit;
at least one voltage conversion unit;
a core group; and
a bobbin comprising:
a first accommodating part for accommodating the front side magneto-sensitive unit;
 a second accommodating part for accommodating the at least one voltage conversion unit, wherein the second accommodating part comprises:
a first opening disposed at an entrance side of the second accommodating part for accommodating the at least one voltage conversion unit; and
a second opening disposed at an opposite side which is opposite t the entrance side of the second accommodating part; and
 a through hole for accommodating the core group;
wherein, the first opening and the second opening are disposed opposite to each other, and a heat dissipation channel is formed between the first opening, the second opening and the at least one voltage conversion unit.

US Pat. No. 10,866,352

LIGHT EMITTING DEVICE

CHICONY POWER TECHNOLOGY ...

1. A light emitting device, comprising:a light source module;
a light guiding plate, which is disposed adjacent to the light source module;
a luminous dot unit, disposed on the light guiding plate, the luminous dot unit including a plurality of luminous dots distributed on a surface of the light guiding plate, wherein the luminous dots distributed on a first area of the light guiding plate by a first density, the luminous dots distributed on a second area of the light guiding plate by a second density, and the second density is different from the first density;
a diffusion film, which is disposed above the light guiding plate;
a diffusion unit, which is disposed on the diffusion film, the diffusion unit comprising a plurality of diffusion dots distributed on a surface of the diffusion film, the diffusion dots distributed on a third area of the diffusion film by a third density, the diffusion dots distributed on a fourth area of the diffusion film by a fourth density, the first area of the light guiding plate is correspondingly projected to the third area of the diffusion film, the second area of the light guiding plate is correspondingly projected to the fourth area of the diffusion film, wherein the fourth density is different from the third density, a sum of the first density and the third density after an approximation is equal to a predetermined value, and a sum of the second density and the fourth density after the approximation is equal to the predetermined value; and
a transmissive and reflective layer, which is disposed above the light guiding plate, the transmissive and reflective layer has a reflectivity which is more than 5% and less than 95%, and the reflectivity of the transmissive and reflective layer decreases as a thickness of the light guiding plate increases.

US Pat. No. 10,838,136

ILLUMINATING KEYBOARD

Chicony Power Technology ...

1. An illuminating keyboard, comprising:a light emitting module, comprising a circuit board, a plurality of electronic components, and a plurality of light emitting units, wherein the electronic components are collectively disposed in an area of the circuit board, the light emitting units surround the area of the circuit board, and the light from the light emitting units is directed outside the area;
a reflection plate disposed above the circuit board and having a through hole corresponding to the light emitting units;
a light guiding plate disposed above the reflection plate and having a slot hole corresponding to the through hole, the light emitting units being accommodated in the space formed by the through hole and the slot hole, and the light guiding plate receiving the light from the light emitting units;
a light-shielding film disposed above the light guiding plate, and having a light emission district; and
a key module disposed above the light-shielding film, wherein the light emission district corresponds to the key module, and the light is emitted from the light guiding plate, passing through the light emission district, and emitted from the key module to the outside.

US Pat. No. 10,734,823

POWER SUPPLY DEVICE

Chicony Power Technology ...

1. A power supply device, comprising:a first conversion module, adapted to convert a first alternating current into a first direct current and comprising:
a first body;
a first input portion, having a first alternating current input terminal and configured to input the first alternating current;
a first output portion, having a first output terminal and configured to output the first direct current; and
a first coupling portion, having a first coupling terminal, the first coupling terminal and the first output terminal being connected to each other;
a second conversion module, adapted to convert a second alternating current into a second direct current and comprising:
a second body;
a second input portion, having a second alternating current input terminal and configured to input the second alternating current;
a second coupling portion, having a second coupling terminal;
a third coupling portion, having a third coupling terminal, the third coupling terminal and the second alternating current input terminal being electrically connected to each other; and
a second output portion, having a second output terminal and configured to output the second direct current, wherein the second output terminal and the second coupling terminal are connected to each other,
wherein the first conversion module and the second conversion module are adapted to be separated from each other or combined together, when the first conversion module and the second conversion module are separated from each other, the first conversion module and the second conversion module are able to individually perform power conversion, and when the first conversion module and the second conversion module are combined together, the first conversion module and the second conversion module constitute a third conversion module adapted to convert a third alternating current into a third direct current.

US Pat. No. 10,671,177

BACKLIGHT MODULE

CHICONY POWER TECHNOLOGY ...

1. A backlight module, applied to a light-emitting keyboard, wherein the light-emitting keyboard comprises a keyboard component and a light-emitting component, the backlight module comprising:a light blocking plate disposed below the keyboard component and comprising an emission zone;
a light guiding plate disposed below the light blocking plate and comprising a hollowed-out portion;
a reflector disposed below the light guiding plate and comprising a through hole corresponding in position to the hollowed-out portion;
a circuit board disposed below the reflector, wherein the light-emitting component is disposed on the circuit board;
a flexible circuit board disposed below the reflector, wherein the reflector is disposed to separate the flexible circuit board and the light guiding plate; and
a conductive connection element disposed on the circuit board, penetratingly disposed at the hollowed-out portion and the through hole, and connected to the circuit board and the flexible circuit board,
wherein light emitted by the light-emitting component illuminates the keyboard component through the emission zone.

US Pat. No. 11,032,896

CONTROL APPARATUS FOR LIGHT EMITTING DIODES

CHICONY POWER TECHNOLOGY ...

1. A control apparatus for light emitting diodes (LEDs), comprising:an LED unit;
a voltage conversion unit electrically connected to the LED unit to convert an input voltage to supply the LED unit;
a voltage difference detecting unit electrically connected to the LED unit for detecting an output voltage of the LED unit, the voltage difference detecting unit comprising:
a first resistor electrically connected to a positive terminal of the LED unit;
a second resistor;
a transistor electrically connected to the first resistor, the second resistor, and a negative terminal of the LED unit respectively;
a control unit electrically connected to the voltage difference detecting unit, the control unit cooperating with the voltage difference detecting unit to provide a predetermined voltage;
a hysteresis driving unit electrically connected to the control unit; and
a switching unit electrically connected to the hysteresis driving unit and the voltage conversion unit, wherein
when the output voltage is greater than or equal to the predetermined voltage, the control unit notifies the hysteresis driving unit to control the switching unit to be open-circuited, so that the voltage conversion unit continuously converts the input voltage; and when the output voltage is less than the predetermined voltage, the control unit notifies the hysteresis driving unit to control the switching unit to be short-circuited, so that the voltage conversion unit stops converting the input voltage.

US Pat. No. 10,967,781

ILLUMINATED VEHICULAR EMBLEM

Chicony Power Technology ...

1. An illuminated vehicular emblem, suitable for a means of transportation, the illuminated vehicular emblem comprising:a housing unit adapted to be disposed on the means of transportation, the housing unit comprising:
a bottom case;
a top case disposed on the bottom case; and
an emblem member disposed above the top case to achieve visual recognition, wherein a receiving space is defined between the top case and the bottom case;
a lighting unit disposed in the receiving space, the lighting unit comprising:
a light guide plate;
a plurality of light emitting components threaded through the light guide plate and disposed at a central area of the light guide plate to allow the light guide plate to receive light emitted from the plurality of light emitting components; and
a first light shielding film disposed on the light guide plate; and
a light dimming unit disposed on the light guide plate to change a direction of propagation of the light, wherein the light dimming unit comprises a first dot portion and a second dot portion; wherein the first dot portion is distributed on the light guide plate and along a projection of an outline of the emblem member, the second dot portion is distributed on the light guide plate and along the first dot portion, and disposed outside a region demarcated by the first dot portion, to allow part of the light passing through the light dimming unit to be scattered out of a gap between the top case and the emblem member.

US Pat. No. 10,951,123

POWER CONVERSION SYSTEM

CHICONY POWER TECHNOLOGY ...

1. A power conversion system comprising:a switching module;
a resonant module;
an integrated power-converting module comprising:
a primary winding;
a plurality of power-converting units arranged in a parallel manner and each of the power-converting units comprising:
a circuit board having a base portion and an expending portion connected to the base portion, a penetrating hole formed on the expending portion;
a secondary winding disposed on the expending portion; and
a synchronous rectifying unit disposed on the base portion, and electrically connected to the circuit board and the secondary winding, wherein the synchronous rectifying unit is configured to receive a converted electric power from the secondary winding; and
a magnetic core;
an output-controlling device comprising a controller and a plurality of output-controlling modules electrically connected to the controller, wherein each of the power-converting units is electrically connected to each of the output-controlling modules respectively; and
a bobbin including a main body, a plurality of winding portions, and a plurality of receiving portions, wherein each of the receiving portions has a slot, wherein the main body has a first channel, and the winding portions and the receiving portions are arranged in a staggered manner.

US Pat. No. 10,908,194

LOAD IDENTIFICATION SYSTEM

CHICONY POWER TECHNOLOGY ...

1. A load identification system, comprising:an AC power input component;
a load, coupled to the AC power input component;
a zero-crossing detection circuit, coupled to the AC power input component, configured to output a zero-voltage pulse signal when a zero-crossing signal of the AC power input component is detected;
a first current phase detection circuit, coupled to the AC power input component, configured to detect a current flowing through the load to output a first voltage signal, wherein the first voltage signal is at a high level when the current flows along a first direction;
a second current phase detection circuit, coupled to the AC power input component, configured to detect the current flowing through the load to output a second voltage signal, the second voltage signal is at the high level when the current flows along a second direction; and
a control circuit, configured to receive the zero-voltage pulse signal, the first voltage signal and the second voltage signal and to identify a type of the load according to the zero-voltage pulse signal, the first voltage signal and the second voltage signal;
wherein the first current phase detection circuit comprises a first comparator and a first resistance, the second current phase detection circuit comprises a second comparator and a second resistance, the first resistance, the second resistance and the load are connected in series.

US Pat. No. 10,871,316

VALVE, EXPANSION VALVE, AND STEPPING CONTROL METHOD THEREOF

CHICONY POWER TECHNOLOGY ...

1. An expansion valve, comprising:a valve body, is hollow and has an actuation space and a containing space, a first through hole and a second through hole are respectively communicated with the actuation space being defined on the valve body, and a valve seat being arranged in the actuation space and between the first through hole and the second through hole;
a driver, installed in the containing space;
a valve stem, installed in the containing space and transmissively connected to the driver;
a limiting valve, installed in the actuation space and driven by valve stem, wherein the limiting valve has a recessed space formed therein;
a controller, configured to control the driver, and valve stem is driven by the driver to shift the limiting valve in the actuation space relatively toward the valve seat; and
a heating piece, installed in the recessed space of the limiting valve;
wherein the valve stem includes a screw and a screw sleeve, the screw sleeve is disposed in the actuation space and connected to the limiting valve, the screw is extended from the containing space toward the limiting valve into the screw sleeve and engaged with the screw sleeve;
wherein the screw has a wire hole extending along the axial direction thereof, the heating piece is electrically connected to a wire, and the wire is electrically connected to the controller through the wire hole;
wherein the screw has a sealing plug disposed at an end of the wire hole and the wire is surrounded the sealing plug.

US Pat. No. 10,871,602

BACKLIGHT MODULE

CHICONY POWER TECHNOLOGY ...

1. A backlight module, comprising:a light emitting component;
a first light guide plate, disposed above the light emitting component, the first light guide plate comprising a first light receiving surface, a first hole and a first inner peripheral surface surrounding the first hole, wherein the first light receiving surface faces toward the light emitting component, and the first hole is located corresponding to the light emitting component; and
a second light guide plate, disposed between the light emitting component and the first light guide plate, the second light guide plate comprising a second light receiving surface, a second hole and a second inner peripheral surface surrounding the second hole, wherein the second light receiving surface faces toward the light emitting component, and the second hole is located corresponding to the light emitting component and communicates with the first hole, where the diameter of the second hole is greater than the diameter of the first hole, such that a portion of the first light receiving surface protrudes above the second inner peripheral surface, thereby enabling light emitted from the light emitting component to enter the first light guide plate via the portion of the first light receiving surface, and to enter the second light guide plate via the second light receiving surface.

US Pat. No. 10,833,566

INVERTER INTEGRATED MOTOR

CHICONY POWER TECHNOLOGY ...

1. An inverter integrated motor, comprising:a frame, including a base plate, and a first vertical wall and a second vertical wall being arranged upright on the base plate and opposite to each other;
a motor body received in the frame, the motor body including a casing and a rotation shaft inserted through the casing, the casing includes a protrusion portion and a plurality of motor fins, the motor fins being disposed on an outer surface of the casing and at an outside of the protrusion portion, the frame covers the casing and the motor fins along a radial direction of the rotation shaft corresponding to the protrusion portion, the first vertical wall and the second vertical wall respectively attach the protrusion portion to form a first heat dissipation passage, a second heat dissipation passage being defined through the protrusion portion, an internal surface of the second heat dissipation passage being flat and the second heat dissipation passage being communicated with the first heat dissipation passage;
a cap receiving the rotation shaft, the cap covers an end surface of the casing, the cap has a conical extending portion converged from the end surface toward the rotation shaft and a receiving portion connected to the conical extending portion, the receiving portion being cylindrical and the rotation shaft is outward protruded from an end surface of the receiving portion;
a fan arranged on the rotation shaft and outside of the cap;
an inverter disposed on an external surface of the protrusion portion, the inverter including a motor control circuit board; and
a heat transfer module disposed corresponding to the motor control circuit board and thermally connected to the motor control circuit board, the heat transfer module includes an installation base, a thermal conductive base and a heat diffusion assembly, the installation base being of a U shape, the installation base has two side surfaces respectively attaching the protrusion portion and the frame, the installation base and the frame laterally cover the receiving portion and the conical extending portion according to the radial direction of the rotation shaft, a first air compressing passage being formed by the frame and a part of external surfaces of the conical extending portion and the receiving portion covered by the frame, the first air compressing passage being communicated to the first heat dissipation passage, the thermal conductive base being arranged in the installation base and partially coves the receiving portion, the thermal conductive base has a plurality of first fins upright extended and arranged at interval, a second air compressing passage being formed by the installation base and another part of external surfaces of the conical extending portion and the receiving portion covered by the installation base, the second air compressing passage being communicated to the second heat dissipation passage, a containing volume of the first air compressing passage being larger than a containing volume of the second air compressing passage, the heat diffusion assembly being clamped between the installation base and the thermal conductive base, and the heat diffusion assembly transfers heat to the first fins from the motor control circuit board
wherein an airflow is driven by the fan, the airflow cools the motor fins and the motor body when flows through the first air compressing passage into the first heat dissipation passage, the airflow cools the first fins and the motor body when flows through the second air compressing passage into the second heat dissipation passage.

US Pat. No. 10,833,604

POWER CONVERTER DEVICE

CHICONY POWER TECHNOLOGY ...

1. A power converter device comprising:a first phase-shift full-bridge circuit comprising a first phase-shift switching circuit and a first synchronous switching circuit;
a second phase-shift full-bridge circuit coupled in parallel with the first phase-shift full-bridge circuit, wherein the second phase-shift full-bridge circuit comprises a second phase-shift switching circuit and a second synchronous switching circuit, wherein the second phase-shift full-bridge circuit and the first phase-shift full-bridge circuit are configured to receive an input voltage and output an output voltage;
a detector circuit configured to detect an output current; and
a control circuit configured to control the first phase-shift full-bridge circuit and the second phase-shift full-bridge circuit according to the output current, the input voltage, and the output voltage;
wherein the control circuit disables the second phase-shift full-bridge circuit when the output current is less than a first predetermined value;
wherein the control circuit enables the second phase-shift full-bridge circuit when the output current is equal to or greater than the first predetermined value, such that the second phase-shift full-bridge circuit and the first phase-shift full-bridge circuit operate in a same control mode;
wherein the control circuit controls the second synchronous switching circuit to operate in a traditional mode when the output current is equal to or greater than a second predetermined value and a duty cycle of the second phase-shift switching circuit is equal to or greater than a third predetermined value, wherein the second predetermined value is greater than the first predetermined value, wherein the third predetermined value is associated with the input voltage and the output voltage.

US Pat. No. 10,826,347

MOTOR SLEEVE AND MOTOR DEVICE

CHICONY POWER TECHNOLOGY ...

1. A motor sleeve applied to a motor housing and a motor driver housing, wherein a first fixing structure is disposed on a lateral portion of the motor housing, and the motor driver housing comprises a first coupling structure, the motor sleeve comprising:a sleeve base comprising an outer surface and an inner surface opposite to the outer surface;
a second fixing structure disposed on the inner surface and corresponding to the first fixing structure of the motor housing, wherein the sleeve base is fixed to the motor housing by the first fixing structure and the second fixing structure, and the sleeve base is installed on the lateral portion of the motor housing;
a second coupling structure disposed on the outer surface; and
a plurality of base fins separately disposed on the outer surface and corresponding to the first coupling structure of the motor driver housing, wherein the motor driver housing is coupled to the sleeve base by the first coupling structure and the second coupling structure,
wherein the sleeve base further comprises:
a first branched fin extending horizontally at a plane from a first fin end portion of the base fins; and
a second branched fin extending horizontally at the plane from a second fin end portion of the base fins, and
wherein an upper surface of the first branched fin and an upper surface of the second branched fin at the plane are configured for the motor driver housing being installed thereon.

US Pat. No. 10,823,446

SYSTEM OF ADJUSTING LOAD OF AIR CONDITIONING AND METHOD OF ADJUSTING THE SAME

CHICONY POWER TECHNOLOGY ...

1. A system of adjusting load of air conditioning of a building, comprising:a central monitoring computer;
a first controller;
a second controller connected to the central monitoring computer via the first controller, configured to predict a load of an air conditioning unit at a future time period based on data obtained from a past time period, and send the predicted load to the first controller;
a first sensor configured to sense both a temperature and a humidity of a building at a first time, and output both the sensed temperature and the sensed humidity;
a second sensor configured to sense a fan speed of the air conditioning unit at the first time, and output the sensed fan speed; and
a third controller embedded with an algorithm connected to the central monitoring computer via the first controller, configured to calculate a predetermined indoor comfort-degree that the air conditioning unit is required to reach at a second time based on the sensed temperature, the sensed humidity, and the sensed fan speed, and send the predetermined indoor comfort-degree to the first controller, wherein the second time is later than the first time and the second time is within the future time period;
wherein the first controller instructs the central monitoring computer to set both a temperature and a fan speed of the air conditioning unit based on the predetermined indoor comfort-degree; and
wherein in response to the air conditioning unit running at the set temperature and the set fan speed, the central monitoring computer compares the predicted load with an actual load of the air conditioning unit to obtain a comparison result, and the central monitoring computer adjusts the set temperature and the set fan speed of the air conditioning unit in real time in response to the obtained comparison result.

US Pat. No. 10,808,979

ICE STORAGE AMOUNT ADJUSTING SYSTEM AND ADJUSTING METHOD FOR THE SAME

CHICONY POWER TECHNOLOGY ...

1. An ice storage amount adjusting system applied for a building, the system comprising:a central monitoring computer;
a chiller communicated with the central monitoring computer and supplying chilled water to an air-conditioner in the building;
a data collection controller configured to:
output a scheduling parameter for the air-conditioner during a first time;
output an indoor-temperature setting condition during the first time;
utilize an energy simulation software to output an exterior loading factor during the first time; and
output a weather forecasting data during a second time, wherein the second time is later than the first time; and
an air condition loading prediction calculator communicated with the central monitoring computer through an energy management platform, wherein the air condition loading prediction calculator predicts an air-condition loading of the air-conditioner during the second time based on the scheduling parameter, the indoor-temperature setting condition, the exterior loading factor, and the weather forecasting data, and the air condition loading prediction calculator generates a prediction result associated with the air-condition loading and sends the prediction result to the energy management platform;
wherein the energy management platform controls the central monitoring computer to output a target ice storage amount to the chiller based on the prediction result, and the chiller adjusts an ice storage amount required in the second time based on the target ice storage amount;
wherein the chiller performs an ice making procedure after the first time has ended and before the second time is reached, and operates in an ice melting mode in the second time, and wherein the chiller adjusts the ice storage amount based on the target ice storage amount if a current ice storage amount is not larger than the target ice storage amount, wherein the current ice storage amount is an amount of ice left after the first time has ended.

US Pat. No. 10,992,227

POWER SUPPLY APPARATUS AND CONTROL METHOD THEREOF

Chicony Power Technology ...

1. A power supply apparatus, comprising:a switch-based power conversion circuit, configured to perform power conversion according to a switching signal group to provide an output voltage and an output current; and
a control circuit, coupled to the power conversion circuit, and configured to detect the output voltage and the output current to generate the switching signal group accordingly, wherein the control circuit generates an error value according to the output voltage and a reference voltage, multiplies the error value by a proportional parameter to obtain a proportional result, multiplies the error value by an integration parameter to obtain a first calculation value, and accumulates the first calculation value over time to obtain an integration result,
wherein when a slope of the output current is greater than a first reference slope and a slope of the output voltage is a negative slope, the control circuit multiplies the slope of the output voltage by a first differential parameter to obtain a second calculation value, the control circuit adds the second calculation value to the integration result over time, and the control circuit adjusts a duty cycle of the switching signal group to stabilize the output voltage according to a sum of the proportional result and the integration result,
wherein
when the output current rises to a first threshold current, the control circuit decreases a numerical value of the proportional parameter and a numerical value of the integration parameter; and
when the output current falls to a second threshold current, the control circuit increases the numerical value of the proportional parameter and the numerical value of the integration parameter,
wherein the first threshold current is greater than the second threshold current.

US Pat. No. 10,983,149

INRUSH CURRENT TEST DEVICE

CHICONY POWER TECHNOLOGY ...

1. An inrush current test device, adapted to receive an alternating current, comprising:a first isolation coupling component, comprising a primary side and a secondary side, wherein the first isolation coupling component is responsive to a positive half-cycle potential of the alternating current on the primary side and conducts the secondary side;
a positive crossing point pulse generation circuit, coupled to the first isolation coupling component and configured to generate a positive crossing point pulse when the secondary side transits from an off state to an on state;
an output circuit, configured to receive the alternating current and output the alternating current when the output circuit is actuated; and
a control circuit, coupled to the positive crossing point pulse generation circuit and the output circuit, wherein when the control circuit is actuated and the positive crossing point pulse is detected, after delaying for a delay time, the control circuit outputs a control pulse for actuating the output circuit for a first operating time.

US Pat. No. 10,948,651

KEYBOARD BACKLIGHT MODULE AND MANUFACTURING METHOD THEREOF

CHICONY POWER TECHNOLOGY ...

1. A keyboard backlight module, comprising:a light-guiding sheet;
a circuit board, located on a surface of the light-guiding sheet;
a light-emitting element, located between the circuit board and the light-guiding sheet, disposed on the circuit board, and configured to emit light into the light-guiding sheet;
a reflective sheet, located on another surface of the light-guiding sheet opposite to the circuit board;
a glue layer, located directly on the surface of the light-guiding sheet; and
a release film, removably located on the glue layer;
wherein when the release film is removed from the glue layer, the glue layer is fully transferred from the release film to the surface of the light-guiding sheet; and
wherein the light-guiding sheet comprises a plurality of illuminated patterns, and the keyboard backlight module adjusts illumination uniformity of the light through the reflective sheet, the glue layer and the plurality of illuminated patterns.