US Pat. No. 10,795,397

CURRENT-VOLTAGE CONVERTOR, REFERENCE VOLTAGE GENERATOR AND NON-VOLATILE SEMICONDUCTOR STORAGE DEVICE

Powerchip Semiconductor M...

1. A current-voltage convertor, comprising:a first current mirror circuit, comprising a first metal-oxide semiconductor transistor and a second metal-oxide semiconductor transistor in a pair, and an output resistor;
a depletion type N-channel metal-oxide semiconductor transistor, inserted between a first voltage as input and the pair of the first metal-oxide semiconductor transistor and the second metal-oxide semiconductor transistor,
when a reference current is input to the first metal-oxide semiconductor transistor, a first output voltage is generated by a current corresponding to the reference current via the second metal-oxide semiconductor transistor and the output resistor, and the first output voltage is connected to a gate of the depletion type N-channel metal-oxide semiconductor transistor;
a third metal-oxide semiconductor transistor, inserted between the second metal-oxide semiconductor transistor and the output resistor, and having a gate and a drain connected to each other; and
a fourth metal-oxide semiconductor transistor, clamping a second voltage based on the first output voltage, wherein
the third metal-oxide semiconductor transistor and the fourth metal-oxide semiconductor transistor are configured as a second current mirror circuit, and
a reference voltage is output based on a second output voltage from the fourth metal-oxide semiconductor transistor.

US Pat. No. 10,795,395

BANDGAP VOLTAGE REFERENCE CIRCUIT CAPABLE OF CORRECTING VOLTAGE DISTORTION

eMemory Technology Inc., ...

1. A bandgap voltage reference circuit comprising:a first current source coupled to a first reference node, and configured to provide a first current;
a second current source coupled to a second reference node, and configured to provide a second current;
an amplifier having a first input terminal coupled to the first reference node, a second input terminal coupled to the second reference node, and an output terminal;
a voltage buffer coupled to the output terminal of the amplifier, and configured to output a bandgap reference voltage;
a first transistor having a first terminal configured to receive the first current, a second terminal, and a control terminal configured to receive the bandgap reference voltage;
a first resistor having a first terminal coupled to the second terminal of the first transistor, and a second terminal;
a second resistor having a first terminal coupled to the second terminal of the first resistor, and a second terminal coupled to a first system voltage terminal;
a second transistor having a first terminal configured to receive the second current, a second terminal coupled to the second terminal of the first resistor, and a control terminal configured to receive the bandgap reference voltage; and
a leakage current compensation element having a first terminal coupled to the first terminal of the second transistor, and a second terminal coupled to the first system voltage terminal, and the leakage current compensation element comprising an NPN bipolar junction transistor having a collector terminal coupled to the first terminal of the leakage current compensation element, an emitter terminal coupled to the second terminal of the leakage current compensation element, and a base terminal coupled to the emitter terminal of the NPN bipolar junction transistor of the leakage current compensation element;
wherein a size of the first transistor is greater than the second transistor; and
wherein a ratio of emitter areas of the first transistor, the second transistor, and the NPN bipolar junction transistor of the leakage current compensation element are N:1:(N?1), wherein N is an integer greater than 1.

US Pat. No. 10,795,394

SYSTEM FOR ENERGY MANAGEMENT BASED ON ESTIMATED RESOURCE UTILIZATION

Enel X North America, Inc...

1. An apparatus for controlling consumption of a resource by a facility, the apparatus comprising:devices, disposed within the facility, each consuming a portion of the resource when turned on, and which perform a function within an acceptable operational margin by cycling on and off;
an occupancy determination system, disposed within a network operations center (NOC) that is external to the facility, that generates run time schedules which coordinate run times for said each of said devices to control the consumption of the resource, and that adjusts said run time schedules based upon occupancy components and occupancy levels that are generated based on the consumption of the resource and outside temperature only, wherein said occupancy determination system generates said occupancy components for the facility by processing a first data set comprising energy consumption and outside temperature data for the facility, said energy consumption and outside temperature data taken at a prescribed time increment over a first plurality of days, and generates a normalized first data set by employing said occupancy components to remove effects of occupancy of the facility from said first data set, said occupancy components comprising:
a lower bound of energy consumption as a function of outside temperature;
a normalized occupancy profile component as a function of said prescribed time increment;
a marginal energy consumption component as a function of outside temperature; and
a daily occupancy level component for each of said first plurality of days;
control nodes, disposed within the facility, each coupled to a corresponding one of said devices, wherein said control nodes are coupled together via an energy management network that is operatively coupled to said NOC, and wherein said control nodes transmit sensor data and device status to said NOC via said energy management network for generation of said plurality of run time schedules, and wherein said control nodes execute selected ones of said run time schedules to cycle said devices on and off; and
monitor nodes, disposed within the facility, each coupled to a corresponding one of a plurality of non-system devices and to said energy management network, configured to monitor and broadcast states of said plurality of non-system devices to determine associated consumption of the resource, wherein said states are employed as a factor in generation of said plurality of run time schedules.

US Pat. No. 10,795,393

ENERGY MANAGEMENT BASED ON ESTIMATED RESOURCE UTILIZATION

Enel X North America, Inc...

1. An apparatus for controlling consumption of a resource by a facility, the apparatus comprising:devices, disposed within the facility, each consuming a portion of the resource when turned on, and which perform a function within an acceptable operational margin by cycling on and off;
an occupancy determination system, disposed within a network operations center (NOC) that is external to the facility, that generates run time schedules which coordinate run times for said each of said devices to control the consumption of the resource, and that adjusts said run time schedules based upon occupancy components and occupancy levels that are generated based on the consumption of the resource and outside temperature only, wherein said occupancy determination system generates said occupancy components for the facility by processing a first data set comprising energy consumption and outside temperature data for the facility, said energy consumption and outside temperature data taken at a prescribed time increment over a first plurality of days, and generates a normalized first data set by employing said occupancy components to remove effects of occupancy of the facility from said first data set, said occupancy components comprising:
a lower bound of energy consumption as a function of outside temperature;
a normalized occupancy profile component as a function of said prescribed time increment;
a marginal energy consumption component as a function of outside temperature; and
a daily occupancy level component for each of said first plurality of days; and
control nodes, disposed within the facility, each coupled to a corresponding one of said devices, wherein said control nodes are coupled together via an energy management network that is operatively coupled to said NOC, and wherein said control nodes transmit sensor data and device status to said NOC via said energy management network for generation of said plurality of run time schedules, and wherein said control nodes execute selected ones of said run time schedules to cycle said devices on and off.

US Pat. No. 10,795,392

OUTPUT STAGE CIRCUIT AND RELATED VOLTAGE REGULATOR

NOVATEK Microelectronics ...

1. An output stage circuit of a voltage regulator, the output stage circuit coupled to a control circuit of the voltage regulator and comprising:a first output transistor, coupled to the control circuit and configured to receive a gate control signal from the control circuit according to an output voltage of the voltage regulator;
a first voltage generator; and
a first stack transistor, coupled between the first output transistor and an output terminal of the voltage regulator, the first stack transistor comprising:
a drain terminal, coupled to the output terminal of the voltage regulator;
a source terminal, coupled to the first output transistor; and
a gate terminal, coupled to the first voltage generator;
wherein the first voltage generator is configured to output a control voltage to the first stack transistor according to the output voltage of the voltage regulator.

US Pat. No. 10,795,391

VOLTAGE REGULATOR WAKE-UP

Texas Instruments Incorpo...

1. A system, comprising:a voltage regulator having an output voltage;
a power management system, coupled to the voltage regulator, operable to monitor the output voltage and generate a reset signal when the output voltage is outside a range, the range extending from a first low threshold voltage to a first high threshold voltage during a normal operation period, and from a second low threshold voltage to a second high threshold voltage during a wake-up period.

US Pat. No. 10,795,390

DC RESISTANCE SENSE TEMPERATURE COMPENSATION

Alpha and Omega Semicondu...

1. A circuit for providing temperature compensation to a sense signal having a first temperature coefficient, the circuit comprising:a temperature compensation circuit receiving a temperature sense signal indicative of a temperature associated with the sense signal, the temperature compensation circuit being digitally configurable by at least one digital signal to generate a compensating impedance signal having a second temperature coefficient, the compensating impedance signal providing an impedance value in response to the temperature sense signal, the compensating impedance signal being applied to modify the sense signal to provide a modified sense signal having substantially zero temperature coefficient over a first frequency range; and
an amplifier circuit receiving the modified sense signal and generating an output signal indicative of the sense signal, the output signal having substantially zero temperature coefficient over the first frequency range.

US Pat. No. 10,795,389

LOW LEAKAGE LOW DROPOUT REGULATOR WITH HIGH BANDWIDTH AND POWER SUPPLY REJECTION, AND ASSOCIATED METHODS

STMicroelectronics Intern...

1. An electronic device, comprising:an intermediate node;
a resistive divider directly electrically connected between the intermediate node and a divider control node;
a low dropout regulator comprising:
an amplifier having an inverting terminal coupled to receive a reference voltage, a non-inverting terminal directly electrically connected to a tap node of the resistive divider, and an output; and
a ballast transistor having a first conduction terminal coupled to a supply node, a second conduction terminal coupled to the intermediate node, and a control terminal coupled to the output of the amplifier;
a first transistor having a first conduction terminal coupled to the intermediate node, a second conduction terminal coupled to an output node, and a control terminal;
a first impedance coupled to the output node;
a second impedance coupled to the output node;
a first switch coupled between the first impedance and the supply node;
a second switch coupled between the second impedance and ground;
a third switch coupled between the intermediate node and the supply node;
a fourth switch coupled between the output of the amplifier and the supply node;
a fifth switch comprising a three position switch for selectively coupling the control terminal of the first transistor to the supply node or to ground; and
a sixth switch coupled between the divider control node and ground.

US Pat. No. 10,795,388

VOLTAGE ADJUSTMENT DEVICE AND METHOD THEREOF

WIWYNN CORPORATION, New ...

1. A voltage adjustment device configured to electrically connect to a host in a system, a power board, and an electrical device, wherein the host electrically connects to and controls the electrical device, and the power board electrically connects to the host and the electrical device to supply operation power required by the host and the electrical device, with the voltage adjustment device comprising:a voltage detector configured to electrically connect to the electrical device through an end of a power rail of an end of the system and obtain a voltage detected value of the end of the power rail; and
a signal emitter electrically connecting to the voltage detector and configured to electrically connect to the host and the power board, wherein, when the voltage detected value is larger than a baseline voltage value for the first time, the signal emitter generates a power good signal and is configured to send the power good signal to the host, and, after sending the power good signal, the signal emitter generates a voltage adjustment signal according to the voltage detected value and is configured to send the voltage adjustment signal to the power board for selectively adjusting a voltage provided by the power board.

US Pat. No. 10,795,387

WATER TEMPERATURE CONTROL SYSTEM AND WATER TEMPERATURE CONTROL METHOD

COMPAL ELECTRONICS, INC.,...

1. A water temperature control system comprising:a thermostatic spool having a first water inlet, a second water inlet, and a water outlet, receiving water at a first temperature through the first water inlet, receiving water at a second temperature through the second water inlet, mixing the water at the first temperature and the water at the second temperature to produce output water, and providing the output water through the water outlet;
a temperature sensor disposed at the thermostatic spool and sensing a water temperature of the output water based on a sensing frequency to provide a current water temperature signal;
a controller coupled to the temperature sensor, receiving a target water temperature signal and the current water temperature signal, and providing a step number control signal according to the target water temperature signal and the current water temperature signal; and
a stepper motor disposed at the thermostatic spool and coupled to the controller, providing a step number based on a step frequency and according to the step number control signal, so as to adjust a flow rate of the water at the first temperature and a flow rate of the water at the second temperature, wherein the step frequency is greater than the sensing frequency.

US Pat. No. 10,795,386

HOT WATER FAUCET

Rheem Manufacturing Compa...

1. A hot water faucet system, comprising:a housing;
an inlet pipe configured to receive water;
an outlet disposed at an outlet end of the housing;
an outlet pipe connecting the outlet to a heating chamber and configured to output the water, the heating chamber disposed within the housing;
the heating chamber connected to a valve assembly, the valve assembly coupled to a handle disposed on an outer surface of the housing, the valve assembly comprising:
a valve assembly inlet;
a valve body;
a flow selector attached to the handle, the flow selector disposed within the valve body, the flow selector configured to:
rotate from a first position to a second position, a flow of water through the valve assembly increasing as the flow selector rotates, and
rotate from the second position to a third position, the flow of water through the valve assembly decreasing as the flow selector rotates; and
a valve cap disposed at a valve outlet end; and
a switch configured to activate a heating element disposed within the heating chamber by the flow selector rotating from the second position to the third position.

US Pat. No. 10,795,385

MIXING UNIT AND MIXER TAP COMPRISING SUCH A MIXING UNIT

VERNET, Ollainville (FR)...

1. A mixing unit for a mixer tap, wherein the mixing unit has a generally cylindrical shape defining a main axis of the mixing unit, wherein the mixing unit comprises:a cartridge, comprising a mixing chamber, traversed by the main axis, wherein the mixing chamber comprises:
a first intake of a first incoming stream of fluid having a first temperature,
a second intake of a second incoming stream of fluid having a second temperature greater than the first temperature, and
an outlet outside the mixing chamber for an outgoing stream of fluid,
a mixer mixing the first and second incoming streams to form the outgoing stream, wherein the mixer is contained in the mixing chamber, the mixer comprising a set of mixing discs contained in the mixing chamber, wherein the mixing discs are in surface contact with one another and extend in planes that are orthogonal to the main axis;
an additional casing extending out of the mixing chamber, wherein the additional casing is traversed by the main axis,
a thermostatic unit mounted within the additional casing and comprising:
a thermostatic element, which comprises both a thermosensitive portion disposed at least partially at the outlet, and a portion mobile in translation relative to the thermosensitive portion, and
a shutter of the second intake, which is translationally connected to the portion mobile in translation,
wherein the mixing unit comprises a single-piece common part which at least partially delimits the mixing chamber while forming at least a portion of the additional casing, wherein the common part forms a separation wall between the cartridge and the additional casing; wherein the separation wall extends in a plane that is orthogonal to the main axis, wherein the first intake, the second intake and the outlet are formed through the separation wall while being distributed about the main axis.

US Pat. No. 10,795,384

UNIT FOR REGULATING AND CONTROLLING A FLUID PRESSURE

1. A switching film for a unit regulating or controlling a fluid pressure and having a valve housing with an inlet and an outlet, the switching film comprising:a plate-shaped flat body of a polytetrafluoroethylene (PTFE) material, comprising:
a bending region having a plurality of corrugations are formed as concavely or convexly extending curvature regions;
a central closure region surrounded by the bending region,
wherein a thickness of the bending region has a reduced thickness of at most 0.3 mm, thinner than a remainder of the switching film; and
a rim region surrounding the bending region,
wherein the switching film in the rim region is thicker than the thickness in the bending region, and the switching film in the rim region is at most twice as thick as the thickness of the bending region;
wherein the switching film across an entire expansion of the switching film has a thickness that varies by at more 50% of the thickness in the rim region;
wherein the bending region in a radial direction of the plate-shaped flat body extends in a corrugated shape about the central closure region,
wherein the reduced thickness of 0.3 mm or less in the plurality of corrugations in the bending region, despite stiffness of the PTFE material, provides a stretch-free bending movement of the switching film accomplished by a radii change of the plurality of corrugations, thereby reducing crack formation and bending fatigue in the PTFE material while enabling switching at pressure differences of 1 mbar to 100 mbar.

US Pat. No. 10,795,383

METHOD FOR REGULATING A VOLUME FLOW RATE AND TEST STAND FOR SIMULATING A LIQUID CIRCUIT

dSPACE digital signal pro...

1. A method for regulating a volume flow rate of a first liquid circuit having a liquid, the method comprising:connecting a pump and a flow control valve in series in the first liquid circuit;
measuring the volume flow rate;
computing a setpoint value for the volume flow rate of the liquid;
setting an orifice width of the flow control valve as a function of the setpoint value, such that a first derivative of a characteristic curve, which plots the volume flow rate over a differential pressure of the pump, has a value that, at the setpoint value of the volume flow rate, is favorable for regulating the volume flow rate by setting the differential pressure in that the characteristic curve, at the setpoint value for the volume flow rate, is neither too flat nor too steep to permit accurate regulation of the volume flow rate by setting the differential pressure; and
setting the differential pressure of the pump such that the volume flow rate substantially corresponds to the setpoint value of the volume flow rate,
wherein the orifice width of the flow control valve is selected from a predefined selection of orifice widths stored in a digital list,
wherein a designated value interval of the volume flow rate is divided into a number of subintervals, and a characteristic curve is determined by measurement for each subinterval, and
wherein the first derivative of each characteristic curve has a value within an entire relevant subinterval that is favorable for regulating the volume flow rate without exceeding a critical value of the differential pressure, and the orifice width of the flow control valve corresponding to the characteristic curve determined for every subinterval is recorded.

US Pat. No. 10,795,382

METHOD AND APPARATUS FOR MODEL-BASED CONTROL OF A WATER DISTRIBUTION SYSTEM

SENSUS USA, INC., Raleig...

1. A method performed by a computer apparatus comprising:obtaining a meter elevation, a meter location, and water consumption data, for individual water meters installed in a water distribution system;
automatically associating each water meter with a respective one of a plurality of service nodes representing points of water consumption in a hydraulic model of the water distribution system, by evaluating modeled location and elevation data for the service nodes in relation to the meter location and the meter elevation, to identify the geographically-closest service node having a modeled elevation that is greater than the meter elevation;
calculating water demand values for each service node, based on an aggregation of the water consumption data for all of the water meters that have been automatically associated with the service node;
estimating water flows and pressures for at least a portion of the water distribution system, by running the hydraulic model with the calculated water demand values; and
performing a control operation for the water distribution system, based on the estimated water flows and pressures, said control operation comprising at least one of: leak detection, pumping or storage control, and treatment or flushing control.

US Pat. No. 10,795,381

FLOW-RATE ADJUSTABLE VALVE

TOTO LTD., Kitakyushu-sh...

1. A flow-rate adjustable valve for adjusting a flow rate of liquid flowing through a flow path, the flow-rate adjustable valve comprising:a main valve body movably supported in the flow path via an elastic member,
a back pressure chamber in which liquid supplied from an upstream side of the flow path at a predetermined pressure is contained and a biasing force is generated in a valve-closing direction for closing the main valve body by the supplied liquid,
an inlet hole communicating the upstream side of the flow path with the back pressure chamber,
an outlet hole communicating a downstream side of the flow path with the back pressure chamber,
a pilot valve body for opening and closing an end of the outlet hole on a side of the back pressure chamber,
an elongated member holding the pilot valve body and capable of causing the pilot valve body to move in an axial direction of the elongated member,
a rotatable member configured to be rotated by a motor; and
a lifter rotatable by a rotation of the rotatable member and also movable in the axial direction of the elongated member by the rotation of the rotatable member;
wherein
the lifter and the elongated member are connected in such a manner that the lifter and the elongated member are integrally movable in the axial direction of the elongated member,
the lifter and the elongated member are configured to be controlled along a plurality of axial positions through a range of axial movement in the axial direction of the elongated member, wherein the pilot valve body held by the elongated member is stoppable at three or more different positions by stopping rotation by the motor,
the pilot valve body being stoppable at a first position among the three or more different positions for closing the end of the outlet hole on the side of the back pressure chamber,
the pilot valve body being stoppable at a second position among the three or more different positions for opening the end of the outlet hole on the side of the back pressure chamber relatively less than half of a fully opened position,
the pilot valve body being stoppable at a third position among the three or more different positions for opening the end of the outlet hole on the side of the back pressure chamber more than half of the fully opened position, and
the elongated member is connected to the lifter under a condition in which the elongated member is biased to the lifter in a one-way direction of the axial direction by a biasing-connecting member.

US Pat. No. 10,795,380

SYSTEM AND METHOD FOR EVENT-BASED VEHICLE OPERATION

safeXai, Inc., Sandy, UT...

1. A system comprising:a processor; and
system memory coupled to the processor and storing instructions configured to cause the processor to:
route a vehicle along a route that defines coordinates of travel in a three-dimensional space;
while the vehicle is traveling along the route, detect an event based on an external signal including detecting coordinates of the event;
determine that the event is an event of interest based on a parameter associated with the vehicle; and
re-route the vehicle toward the coordinates of the event of interest along a shortened route that defines adjusted coordinates of travel in the three-dimensional space, including dynamically modifying operation of a locomotion component to depart from the route to move the vehicle toward the coordinates of the event of interest along the shortened route.

US Pat. No. 10,793,449

FIBER-OPTIC INTEGRATED MEMBRANE REACTOR

Arizona Board of Regents ...

1. A reactor comprising:a first electrode comprising a first optical fiber coated with a photocatalytic material;
a second electrode electrically coupled to the first electrode; and
a proton exchange membrane separating the first electrode and the second electrode,
wherein the proton exchange membrane is a flexible, hollow fiber, and the first electrode is positioned in the proton exchange membrane.

US Pat. No. 10,793,448

DEHYDRATION OF WATER CONTAINING SOURCE OF FORMALDEHYDE, AND A METHOD FOR PRODUCING AN ETHYLENICALLY UNSATURATED CARBOXYLIC ESTER

Lucite International UK L...

1. A method for producing an ethylenically unsaturated carboxylic ester comprising:contacting a dehydrated source of formaldehyde with a carboxylic acid ester in the presence of a catalyst,
wherein the dehydrated source of formaldehyde is obtained by
(i) providing a water containing source of formaldehyde, a separation enhancer in an amount of at least 10% by mass or more with respect to 100% by mass of the water containing source of formaldehyde, and methanol, the water containing source of formaldehyde having a water concentration ranging from 0.5 to 25% by mass of the water containing source of formaldehyde;
(ii) contacting the water containing source of formaldehyde, separation enhancer, and methanol with a zeolite membrane and
(iii) separating, by zeolite membrane pervaporation or zeolite membrane vapor permeation, at least 50% of the water from a majority of the water containing source of formaldehyde and from a majority of the separation enhancer to produce the said dehydrated source of formaldehyde, the dehydrated source of formaldehyde including the majority of the separation enhancer therein,
wherein the separation enhancer has a static permittivity of between 2.5 and 20 at 20° C. and atmospheric pressure,
wherein the separated water of step (iii) is a permeate and the dehydrated source of formaldehyde including the majority of the separation enhancer therein of step (iii) is a retentate; and
wherein the temperature of the water containing source of formaldehyde during separation is 0 to 200° C.

US Pat. No. 10,793,445

POLYCRYSTALLINE METAL OXIDES WITH ENRICHED GRAIN BOUNDARIES

CAMX Power LLC, Lexingto...

1. A particle, comprising:a plurality of crystallites comprising a first composition comprising lithium, nickel, and oxygen;
a grain boundary between adjacent crystallites of the plurality of crystallites and comprising a second composition having the layered ?-NaFeO2-type structure, a cubic structure, a spinel structure, or a combination thereof;
wherein a concentration of aluminum in the grain boundary is greater than a concentration of aluminum in the crystallites, and wherein a concentration of cobalt in the grain boundary is greater than a concentration of cobalt in the crystallites.