US Pat. No. 9,391,629

METHOD AND DEVICE FOR AUTO-CALIBRATION OF ADC

SHENZHEN SKYWORTH-RGB ELE...

1. A method for auto-calibration of ADC, comprising:
acquiring a voltage signal value of a reference voltage source;
converting the voltage signal value of the reference voltage source to a digital signal value according to a preset conversion
coefficient value;

comparing the digital signal value to a target value and adjusting the conversion coefficient value according to the comparing
result so that the difference between the digital signal value and the target value is within an allowed margin of error;

wherein the step of converting the voltage signal value of the reference voltage source to a digital signal value according
to a preset conversion coefficient value specifically comprising:

the preset conversion coefficient value including a bias coefficient value and a gain coefficient value, converting the voltage
signal value of the reference voltage source to the digital signal value according to the bias coefficient value and gain
coefficient value, the conversion relation between the digital signal value and the voltage signal value being: (digital signal
value)=(voltage signal value)*(gain coefficient value)+(gain coefficient value); and

adjusting the conversion coefficient value is specifically adjusting the gain coefficient value.

US Pat. No. 9,883,537

METHOD AND SYSTEM FOR SELF-ADAPTIVE PAIRING COMMUNICATION BETWEEN INTELLIGENT DEVICES

SHENZHEN SKYWORTH-RGB ELE...

1. A method for self-adaptive pairing communication between a plurality of intelligent devices, comprising:
A, establishing a network connection by sequentially connecting the plurality of intelligent devices into a network, and constructing
a virtual network;

B, when a first intelligent device and a second intelligent device are connected into the network, an information of the first
intelligent device and an information of the second intelligent device are transmitted to each other and saved by each other,
including a role information and a data processing characteristic information of all the intelligent devices; when a mutual
transmission between the role information and the data processing characteristic information corresponding to the plurality
of intelligent devices is completed, go directly to step C;

C, when the first intelligent device needs to carry out transmission of a control information and a data information with
the second intelligent device, the first intelligent device carries out a data exchange with the second intelligent device
matching the first intelligent device, according to the information of the first intelligent device and the information of
the second intelligent device.

US Pat. No. 9,936,554

TELEVISION BACKLIGHT DRIVING DEVICE AND THE DRIVING METHOD THEREOF

SHENZHEN SKYWORTH-RGB ELE...

1. A television backlight driving device connecting to an LED lightstrip, the television backlight driving device comprising: an AC-DC module and an LED driving module; whereinwhen a power is on, the AC-DC module transforms an input supplied AC power into a DC voltage before supplying to the backlight LED lightstrip, when the LED driving module determines a detection current larger than a preset current but smaller than a first threshold, a constant-current output for a LED current is controlled by adjusting a duty ratio; when the detection current is larger than the first threshold or smaller than the preset current, the LED driving module feeds back the detection current to the AC-DC module; the AC-DC module then controls the value of the DC voltage according to the detection current; wherein
the AC-DC module comprises a main control circuit, a transform circuit, an output circuit and a second feedback circuit;
the main control circuit transmits the input supplied AC power to the transform circuit for a voltage transformation, the second feedback circuit regulates the transformed voltage before filtering and outputting a DC voltage by the output circuit to the backlight LED lightstrip for power supply; and
the second feedback circuit generates a corresponding control signal to the main control circuit according to the detection current feedback from the LED driving module, the main control circuit then adjusts the DC voltage according to the control signal.

US Pat. No. 10,143,072

MULTI-CHANNEL DUAL-MODE DIGITAL CONTROL LED DRIVING CIRCUIT AND LED LAMP

SHENZHEN SKYWORTH-RGB ELE...

1. A multi-channel dual-mode digital control light emitting diode (LED) driving circuit comprising: a current sampling module, a comparison and detection module, a digital control module and a constant current control module;the current sampling module converts a current signal of a load into a sampling voltage signal, before outputting to the comparison and detection module and the constant current control module; the comparison and detection module compares the sampling voltage to a fixed voltage, before generating a high/low voltage signal according to a comparison result, and outputting to the digital control module, while at a same time, a dynamically changing voltage signal is generated and output to the constant current control module; the digital control module outputs a corresponding step-up or step-down output signal to an external voltage boost control module and a drive module sequentially, according to the high/low voltage signal output from the comparison and detection module, thus a feedback adjustment to the load is achieved; the constant current control module compares to a fixed frequency sawtooth signal according to the sampling voltage, and generates a switching signal with a changing duty cycle in a real time, before controlling a switch state of an inner constant current drive tube according to the duty cycle change of the switching signal, followed by feeding back an adjustment current for the load in a real time.

US Pat. No. 9,980,002

INTELLIGENT TV CONTROL SYSTEM AND IMPLEMENTATION METHOD THEREOF

Shenzhen Skyworth-RGB Ele...

1. An intelligent television (TV) control system comprising:an intelligent TV; and
a pressure data obtaining device comprising at least a pressure sensor;
wherein the pressure sensor comprises:
a data collector collecting a plurality of pressure data on a plurality of body parts of a user, and a plurality of vital signs data of the user;
a communication connector establishing a wireless connection with the intelligent TV; and
a data transmitter transmitting the plurality of pressure data and the plurality of vital signs data to a terminal of the intelligent TV, through the wireless connection;
wherein the intelligent TV comprises:
a TV wireless communication interface establishing the wireless connection with the communication connector;
a user information storage storing an information of a body weight of the user;
a data processor obtaining the plurality of pressure data and the plurality of vital signs data from the data transmitter via the TV wireless communication interface, and comparing the plurality of pressure data with the stored body weight information of the user to obtain a sitting posture information of the user, and obtaining a mental state information of the user according to the plurality of vital signs data; and
an instruction controller automatically delivers a corresponding TV instruction based on the sitting posture information and the mental state information, and controlling the intelligent TV to execute a corresponding operation;
wherein, the instruction controller performs:
automatically controlling to turn the intelligent TV on or off, controlling to increase or decrease a volume of the intelligent TV, controlling to increase or decrease a screen brightness of the intelligent TV, according to the mental state information of the user;
wherein the corresponding TV instruction reminds the user to adjust the user's sitting posture, and
the corresponding operation of the intelligent TV automatically controls a TV screen turning to make the user adjusting the user's sitting posture;
the TV screen turning comprises, using a screen controller, controlling the TV screen of the intelligent TV to automatically adjust correspondingly, according to the user sitting posture information obtained from the data processor, the TV screen turning comprises:
in response to the sitting posture information of the user is on a left, then the TV screen is controlled to turn right;
in response to the sitting posture information of the user is on a right, then the TV screen is controlled to turn left;
in response to the sitting posture information of the user is leaning forward, then the TV screen is controlled to move forward; and
the intelligent TV stops displaying a current content being displayed on the TV screen until the user adjusts the user's sitting posture.

US Pat. No. 9,706,161

RESOLUTION CONVERSION METHOD AND DEVICE, UHDTV

SHENZHEN SKYWORTH-RGB ELE...

1. A resolution conversion method, comprising:
acquiring a diagonal interpolation parameter matrix in a vertical direction and a diagonal interpolation parameter matrix
in a horizontal direction;

performing diagonal interpolation processing to an input signal that a resolution thereof is to be converted to acquire a
target resolution signal on basis of the diagonal interpolation parameter matrix in the vertical direction and the diagonal
interpolation parameter matrix in the horizontal direction, so that through either of the diagonal interpolation in the horizontal
direction and the diagonal interpolation in the vertical direction, pixels that are aligned in each vertical line or horizontal
line before the diagonal interpolation are unaligned in a vertical line or horizontal line after the diagonal interpolation.

US Pat. No. 9,922,223

MULTIMEDIA SERVICE PUSHING METHOD AND SYSTEM BASED ON TWO-DIMENSIONAL CODE

SHENZHEN SKYWORTH-RGB ELE...

1. A multimedia service pushing method based on two-dimensional code comprising:
receiving, by a multimedia terminal, both multimedia content and multimedia service information sent from a multimedia server;
determining whether the multimedia service information is taking effect instantly based on the multimedia content and a preset
correspondence table;

when the multimedia service information is determined taking effect instantly, generating a two-dimensional code image according
to the multimedia service information, and overlaying the two-dimensional code image onto the multimedia content for display;

when a scanning terminal detects the two-dimensional code image on the multimedia terminal, parsing, by the scanning terminal,
the two-dimensional code image and obtaining a service command, sending a service request to a service server according to
the service command, and obtaining service content corresponding to the service command; and

receiving and displaying, by the scanning terminal or the multimedia terminal, the service content.

US Pat. No. 9,898,443

METHOD AND SYSTEM FOR WEBPAGE PROCESSING

SHENZHEN SKYWORTH-RGB ELE...

5. A webpage processing method, comprising: when a handheld device is visiting an HTML text file, parsing the HTML text file
and separating an address of each piece of multimedia contents in the HTML text file according to a current tag; when the
current tag is a video tag, separating a video data of the multimedia contents into a picture data and an audio data; composing
the separated addresses of multimedia contents into a corresponding playlist, and distributing the playlist to a plurality
of matched playback devices, while the HTML text file left is reorganized after separation; opening, by the handheld device,
the reorganized HTML text file and displaying, by the handheld device, a corresponding text format webpage, while at least
one playback device of the plurality of matched playback devices plays the multimedia contents; before the step of parsing
the HTML text file and separating the address of each piece of multimedia contents in the HTML text file according to the
current tag, when the handheld device is visiting the HTML text file, receiving from the at least one playback device a broadcasted
data type information that the at least one playback device is suitable to process, and storing a matching table between each
playback device and the data type it suits to process; wherein the picture data and the audio data separated from the video
data are composed to different playlists and distributed to different playback devices.

US Pat. No. 10,141,922

COMPARATOR AND LOW POWER CONSUMPTION OSCILLATOR THEREOF

SHENZHEN SKYWORTH-RGB ELE...

1. A comparator comprising a current mirror module, a comparison module and a buffering and outputting module, whereinthe current mirror module provides a bias current to the comparison module,
the comparison module comprises a positive input end, a first negative input end and a second negative input end, the positive input end connects to an external terminal, the first negative input end and the second negative input end input a low threshold voltage and a high threshold voltage, respectively,
the comparison module compares a voltage of the positive input end to the low threshold voltage and the high threshold voltage, and outputs a comparison result to the buffering and outputting module,
when the voltage of the positive input end is less than the low threshold voltage, the buffering and outputting module outputs a low voltage to the comparison module;
when the voltage of the positive input end is greater than the high threshold voltage, the buffering and outputting module outputs a high voltage to the comparison module;
the comparison module comprises a first comparison unit, a second comparison unit and an amplifying unit,
the first comparison unit comprises the first negative input end,
the second comparison unit comprises the positive input end and the second negative input end, the second comparison unit outputs the comparison result to the amplifying unit, which then amplifies the comparison result before outputting to the buffering and outputting module,
when the voltage of the positive input end is less than the low threshold voltage of the first negative input end, the buffering and outputting module outputs a low voltage to the first comparison unit, and controls the first comparison unit to shut down;
when the voltage of the positive input end is larger than the high threshold voltage of the second negative input end, the buffering and outputting module outputs a high voltage to the first comparison unit, and controls the first comparison unit to start up, the low threshold voltage is less than the high threshold voltage;
the first comparison unit comprises a third MOS tube and a first switch tube, the second comparison unit comprises a fourth MOS tube, a fifth MOS tube, a sixth MOS tube, a seventh MOS tube, the amplifying unit comprises an eighth MOS tube and a ninth MOS tube;
a source electrode of the third MOS tube, a source electrode of the fourth MOS tube, and a source electrode of the sixth MOS tube connect to the drain electrode of the second MOS tube, the gate electrode of the third MOS tube is the negative input end of the comparator, the drain electrode of the third MOS tube connects to the drain electrode of the first switch tube, the gate electrode of the first switch tube connects to the buffering and outputting module, the gate electrode of the fourth MOS tube is the second negative input end of the comparator, the drain electrode of the fourth MOS tube connects to the source electrode of the first switch tube, the drain electrode of the fifth MOS tube and the gate electrode of the fifth MOS tube, the gate electrode of the fifth MOS tube connects to the gate electrode of the seventh MOS tube, the gate electrode of the sixth MOS tube is the positive input end of the comparator, the drain electrode of the sixth MOS tube connects to a gate electrode of the ninth MOS tube and a drain electrode of the seventh MOS tube, a gate electrode of the eighth MOS tube connects to the gate electrode of the second MOS tube, a source electrode of the eighth MOS tube connects to the VCC power supplier end, a drain electrode of the eighth MOS tube connects to a drain electrode of the ninth MOS tube and the buffering and outputting module, the source electrode of the fifth MOS tube, the source electrode of the seventh MOS tube and the source electrode of the ninth MOS tube get grounded.

US Pat. No. 9,985,525

POWER CONVERTER AND SWITCHING POWER SUPPLY DEVICE

SHENZHEN SKYWORTH-RGB ELE...

1. A power converter, comprising: a main switch and an after flow switch connected in series between a power supply and ground, an energy storing and outputting circuit connected with a connecting node of the main switch and the after flow switch, a driving circuit changing connecting states of the main switch and the after flow switch according to a preset clock frequency, when the main switch being conducting, the energy storing and outputting circuit being in an energy-storing state and an outputting state; when the after flow switch being conducting, the energy storing and outputting circuit being in the outputting state; when the energy storing and outputting circuit being in the outputting state, the energy storing and outputting circuit supplying a working voltage to a load;the power converter comprising a testing circuit and a feedback circuit, a signal acquiring end of the testing circuit being connected with the connecting mode of the main switch and the after flow switch, an outputting end of the testing circuit being connected with the driving circuit; a signal acquiring end of the feedback circuit being connected with an outputting end of the energy-storing circuit, an outputting end of the feedback circuit being connected with a feedback end of the driving circuit;
the testing circuit, which being used for testing a voltage on the connecting node of the main switch and the after flow switch, when the voltage on the connecting node being larger than zero, the testing circuit outputting a first controlling signal to the driving circuit, allowing the driving circuit controlling the after flow switch to change from the conducting state to a shutting down state, and the load working normally through the voltage stored in the energy storing and outputting circuit;
the feedback circuit, which being used for testing the voltage stored in the energy storing and outputting circuit, and when the voltage stored in the energy storing and outputting circuit being smaller than a first preset voltage value, the feedback circuit outputting a trigger signal to the driving circuit, allowing the driving circuit controlling the main switch to change from the shutting down state to the conducting state, and the energy-storing device being charged again;
wherein the driving circuit comprises a controller, a PWM controlling circuit and a logic circuit; the PWM controlling circuit comprises a first end inputting a first reference voltage signal, a second end inputting a second reference voltage signal; the logic circuit comprises a first end connected with an outputting end of the PWM controlling circuit, and a second end used for receiving the first controlling signal, a third end used for inputting a preset clock frequency and an outputting end; the outputting end of the logic circuit is connected with the controller; when a feedback of the feedback circuit is that the voltage stored in the energy storing and outputting circuit is smaller than the first preset voltage value, the PWM controlling circuit is used for outputting a second trigger signal, after the second trigger signal is logically treated, the logically treated second trigger signal is sent to the controller, for the controller controlling the main switch to change from the shutting down state to the conducting state, the energy storing and outputting circuit is charged again; and
wherein the PWM controlling circuit comprises an error amplifier and a first voltage comparator; the logic circuit comprises a first nand gate, a second nand gate, a first inverter and a first trigger; a non-inverting inputting end of the error amplifier inputs the first reference voltage signal, a non-inverting inputting end of the first voltage comparator inputs the second reference voltage signal, a clock inputting end of the first trigger inputs the preset clock frequency signal; the controller comprises a first driving pin, a second driving pin, a first inputting pin and a second inputting pin, the first driving pin is connected with a controlled end of the main switch, the second driving pin of the controller is connected with a controlled end of the after flow switch, the first inputting pin of the controller is connected with an outputting end of the first trigger, a second inputting pin of the controller is connected with the outputting end of the testing circuit; a inverting inputting end of the error amplifier is the feedback end of the driving circuit, an outputting end of the error amplifier is connected with a inverting inputting end of the first voltage comparator; an outputting end of the first voltage comparator is connected with a first inputting end of the first nand gate, a second inputting end of the first nand gate is connected with an outputting end of the second nand gate, an outputting end of the first nand gate is connected with a trigger end of the first trigger through the first inverter; a first inputting end of the second nand gate is connected with an outputting end of the first trigger, a second inputting end of the second nand gate is connected with the outputting end of the testing circuit.

US Pat. No. 10,045,069

INTERACTIVE METHOD AND SYSTEM OF MOBILE DEVICE AND TELEVISION, COMPUTER-READABLE MEDIUM

SHENZHEN SKYWORTH-RGB ELE...

1. An interactive system of a mobile device and a television, comprising:a mobile device display control module associated with the mobile device;
a first processor in the mobile device;
a first storage in the mobile device;
a television service management module associated with the television;
a second processor in the television;
a second storage in the television; and
a cloud server,
wherein the mobile device display control module, the television service management module and the cloud server are in communications with each other for displaying content on the mobile device according to that displayed on the television and/or controlling the television by the mobile device;
the mobile device display control module comprises the following units stored in the first storage and performed by first processor:
a television search and connection unit configured to search for a television in a network and connect the mobile device to the television;
an information transmitting unit configured to send a request command to the television for obtaining the media information of the content currently displayed on the television;
an information processing unit configured to receive and process media information sent from the television; and
an interface display management unit configured to request basic information and a related content resource of the media information from the cloud server, which are displayed on the mobile device, determine a type of the media information, and present a corresponding interface of the mobile device;
the television service management module comprises the following units stored in the second storage and performed by the second processor:
a terminal connection management unit configured to manage connection and disconnection of the mobile device to the television and control the number of the mobile devices connecting to the television;
an information process unit configured to processes the request command from the mobile device, obtain name of a program package running on the television and media data in the program and encapsulates them into media information; and
an information transmitting unit configured to transmit the encapsulated media information to the mobile device to the mobile device.

US Pat. No. 10,013,977

SMART HOME CONTROL METHOD BASED ON EMOTION RECOGNITION AND THE SYSTEM THEREOF

SHENZHEN SKYWORTH-RGB ELE...

1. A smart home control method comprising:acquiring a voice information from a user;
performing a first emotion recognition for a speech tone on the voice information and generating a first emotion recognition result;
converting the voice information into a text information;
performing a second emotion recognition for a semantics of the text information and generating a second emotion recognition result;
based on the first emotion recognition result and the second emotion recognition result, generating a user's emotion recognition result according to a preset determination method for emotion recognition result; and
based on the user's emotion recognition result, controlling a smart home device to perform a corresponding operation,
wherein the first emotion recognition result is a commendatory emotion, while the second emotion recognition result is a derogatory emotion or the first emotion recognition result is a derogatory emotion, while the second emotion recognition result is a commendatory emotion, recollecting the voice information of the user; and redoing the first emotion recognition and the second emotion recognition for the voice information and generating a new first emotion recognition result and a new second emotion recognition result.

US Pat. No. 10,070,218

CLASS D AMPLIFIER CHIP WITH DUTY RATIO LIMITING FUNCTIONS AND THE DEVICE THEREOF

SHENZHEN SKYWORTH-RGB ELE...

1. A class D amplifier chip with duty ratio limiting functions, comprising:a triangle wave module, configured to generate triangle wave signals,
a PWM modulation module, configured to convert a plurality of input differential audio signals and the triangle wave signals generated by the triangle wave module into low voltage pulsed PWM signals, and drive the PWM signals to generate high voltage pulses;
a duty ratio detection module, configured to detect in real-time a duty ratio of the PWM signals generated by the PWM modulation module;
a logic control module, configured to immediately shut off the PWM modulation module if the duty ratio of the PWM signals is larger than a preset maximum value for the duty ratio;
wherein the PWM modulation module comprises a first resistor, a second resistor, a third resistor, a fourth resistor, a first amplifier, a first comparator, a second comparator, a first driving circuit and a second driving circuit;
wherein a positive input node of the first amplifier connects to a first input node for differential audio signals through the first resistor, and also connects to an output node of the first driving circuit through the third resistor, and an inverse input node of the first amplifier connects to a second input node for the differential audio signals through the second resistor, and also connects to the output node of the second driving circuit through the fourth resistor,
wherein a positive output node of the first amplifier connects to an inverse input node of the first comparator, a negative output node of the first amplifier connects to an inverse input node of the second comparator,
wherein a plurality of positive input nodes of both the first comparator and the second comparator connect to an output node of the triangle wave module, an output node of the first comparator connects to an input node of the first driving circuit and to the duty ratio detection module,
wherein an output node of the second comparator connects to an input node of the second driving circuit and to the duty ratio detection module,
wherein both the output nodes of the first driving circuit and the second driving circuit are the output node of the class D amplifier, and both the control nodes of the first driving circuit and the second driving circuit connect to the logic control module.

US Pat. No. 10,154,292

INFORMATION PUSHING METHOD AND SYSTEM, CLOUD SERVER AND INFORMATION SERVER

SHENZHEN SKYWORTH-RGB ELE...

1. An information pushing method, the method comprising:a cloud server receiving program information from a program server and analyzing program content in the received program information to find available regions in image frames of the program content;
the cloud server generating a block information record table for the found available regions, the block information record table comprising program numbers, identifiers of the available regions, locations and shapes of the available regions, and durations of identical available regions in the program content; and
an information server receiving the block information record table from the cloud server, finding corresponding information to be pushed for the identifiers of the available regions in the block information record table according to a preset information association rule, associating the information to be pushed with the identifiers and sending the found information to be pushed to a corresponding playing terminal, so as to insert, in the available regions in the image frames of the program content played by the playing terminal, the corresponding information to be pushed, comprising:
the information server receiving the block information record table from the cloud server, finding the corresponding information to be pushed for the available regions corresponding to the identifiers of the available regions in the block information record table according to the preset information association rule, and associating the information to be pushed with the identifiers, to generate a temporary record table, the temporary record table comprising the program numbers, the identifiers of the available regions, the locations and shapes of the available regions, the durations of the identical available regions in the program content, and the corresponding information to be pushed for the identifiers of the available regions;
the information server performing mapping on the temporary record table and a playing terminal group information record table by using the program numbers, respectively, so as to generate an information pushing table, the playing terminal group information record table comprising a program number, an identifier of a playing terminal group, and an identifier of at least one playing terminal, wherein the program number, the identifier of the playing terminal group, and the identifier of the at least one playing terminal are corresponding to each other; and
the information server pushing, according to the information pushing table, corresponding information to be pushed to a playing terminal corresponding to an identifier of a playing terminal in the information pushing table, so as to insert, in the available regions in the image frames of the program content played by the corresponding playing terminal, the corresponding information to be pushed.

US Pat. No. 10,180,671

CONTEXT AWARENESS CONTROL DEVICE, SYSTEM AND METHOD

SHENZHEN SKYWORTH-RGB ELE...

1. A context awareness control device configured to connect to a terminal device and an electrical device functionally related to user's senses, comprising:a connection module;
a sensor module;
an emission control module;
an information processing module; and
an adjustment control module;
wherein the sensor module collects an environmental information and transmits to the information processing module;
the information processing module collects an operational data of the terminal device related to an operational status of the terminal device through the connection module, and integrates the operational data with the environmental information together to generate a function situation information;
the adjustment control module compares the function situation information to a pre-stored environmental value, wherein the pre-stored environmental value includes ranges of the environmental information and the operational data of the terminal device for running a specific operational function of the terminal device;
when the function situation information is not in a data range of the pre-stored environmental value, a first environment control signal is outputted to adjust a working state of the terminal device, and a second environment control signal is transmitted through the emission control module to adjust a working state of the electrical device;
wherein the information processing module comprises:
an information collection unit and an information storage unit;
the information collection unit receives the environmental information, collects the operational data from the terminal device, links the environmental information and the operational data to the specific operational function of the terminal device, and obtains the function situation information when the specific operational function of the terminal device is enabled; and
the information storage unit classifies and saves the function situation information, and updates the function situation information in real time;
wherein the adjustment control module comprises:
a function detection unit and an instruction comparison unit;
the function detection unit detects a state of currently executing function of the terminal device and background executing function of the terminal device; and
the instruction comparison unit compares an information value of the function situation information with the pre-stored environmental value;
when the information value is not in the data range of the pre-stored environmental value, the instruction comparison unit outputs the first environment control signal and the second environment control signal based on a difference between the information value and the pre-stored environmental value.