Images List Premium Download Classic

Pulse Width Modulation

Pulse Width Modulation-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


loading
Light emitting device with dimming visible light communication function and interaction device applying for visible ...
Generalplus Technology Inc.
October 12, 2017 - N°20170295627

A light emitting device with a dimming visible light communication function and an interaction device applying for visible light are provided. The light emitting device with the dimming visible light communication function comprises a luminance adjusting unit, a control circuit and a light emitting device. The luminance adjusting unit outputs a luminance adjusting signal according to luminance adjusted by a ...
Power supply circuit
Semiconductor Energy Laboratory Co., Ltd.
October 05, 2017 - N°20170288541

A power supply circuit includes: an analog/digital converter for converting an analog signal to a digital signal; a pulse width modulation signal control circuit for generating a setting control signal varying in accordance with the difference between a reference voltage and a feedback voltage and a control signal for controlling a pulse width modulation signal, which is based on ...
Power detection and transmission circuit coupling analog input signal on primary side to secondary side ...
Fsp Technology Inc.
October 05, 2017 - N°20170288530

A power detection and transmission circuit is provided. The power detection and transmission circuit includes a first conversion circuit, a second conversion circuit and a signal coupling circuit. The first conversion circuit is electrically connected to a power supply module to receive an analog input signal, and is arranged for converting the analog input signal to a first pulse width ...
Pulse Width Modulation Patent Pack
Download 123+ patent application PDFs
Pulse Width Modulation Patent Applications
Download 123+ Pulse Width Modulation-related PDFs
For professional research & prior art discovery
inventor
  • 123+ full patent PDF documents of Pulse Width Modulation-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Btl output self-oscillating class d amplifier
Yamaha Corporation
September 28, 2017 - N°20170279422

A bridge-tied load output self-oscillating class d amplifier includes a comparator receives an input signal from a signal input circuit at a second input terminal and outputs a positive-phase pulse width modulation signal and a reverse-phase pulse width modulation signal by comparing voltages of the two input terminal, first and second switching circuits power-amplifies the reverse-phase pulse width modulation signal ...
Self-oscillating class d amplifier
Yamaha Corporation
September 28, 2017 - N°20170279421

A self-oscillating class d amplifier includes an integration circuit configured to integrate an input signal and output a result of the integration as an integrated signal, a comparator configured to receive the integrated signal at an inverting input terminal and output a pulse width modulation signal by comparing voltages of a non-inverting input terminal being grounded and the inverting input ...
Semiconductor device, motor control device, lens unit for imaging apparatus, and imaging apparatus
Renesas Electronics Corporation
September 28, 2017 - N°20170277169

A motor control, device that controls a motor, includes: a plurality of processors, each being adapted to generate information for generating a pulse width modulation (pwm) signal; a plurality of pwm signal generation circuits, each being provided corresponding to each of the processors and adapted to generate the pwm signal on the basis of the information that has been generated ...
Pulse Width Modulation Patent Pack
Download 123+ patent application PDFs
Pulse Width Modulation Patent Applications
Download 123+ Pulse Width Modulation-related PDFs
For professional research & prior art discovery
inventor
  • 123+ full patent PDF documents of Pulse Width Modulation-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Pwm control device and three-level power conversion device using pwm control device
Fuji Electric Co., Ltd.
September 21, 2017 - N°20170271995

A pulse width modulation (pwm) control device for converting a first pwm signal for a two-level power conversion device to a second pwm signal for a three-level power conversion device, the three-level power conversion device including a switch, the second pwm signal driving the switch through a drive unit. The pwm control device includes an input terminal for receiving the ...
Transceiver for communication and method for controlling communication
Cypress Semiconductor Corporation
September 14, 2017 - N°20170264376

An example embodiment provides a transceiver for communication includes a timing determiner that detects a fall from high level to low level of a bus signal generated by pulse width modulation of a clock signal and input from a communication bus; a transmission data signal delay adjuster that determines a second timing having a predetermined time difference from a first ...
Amplifier control apparatus
Ksc Industries, Inc.
September 14, 2017 - N°20170264254

An apparatus for controlling a pulse width modulation (pwm) amplifier is disclosed. In one aspect, the apparatus includes a delay circuit configured to delay an input signal and provide the delayed input signal to the pwm amplifier. The apparatus also includes a controller configured to generate and provide a supply voltage to the pwm amplifier based at least in part ...
Random pulse width modulation for power converters
Vestas Wind Systems A/s
September 14, 2017 - N°20170264188

A power generation system, wind turbine, and method of pulse width modulation (pwm) for power converters are disclosed. The method generally includes generating a substantially random distribution of timing values, applying a filter to the random distribution to produce a modified random distribution, and delivering pwm ing signals based on the modified random distribution to the power converters.
Toolface control with pulse width modulation
Halliburton Energy Services, Inc.
September 14, 2017 - N°20170260841

In accordance with some embodiments of the present disclosure, systems and methods for a toolface control system is disclosed. The system includes, a rotating drill string of a drilling tool, an assembly located within the rotating drill string representing a current toolface of the drilling tool, and a controller configured to use pulse width modulation to adjust a rotational speed ...
Interface circuit and electrical appliance system comprising the same
Zhongshan Broad-ocean Motor Co., Ltd.
September 07, 2017 - N°20170257045

An interface circuit, including: a micro control unit (mcu), an isolated power supply, and a signal isolating circuit. The mcu, the isolated power supply, and the signal isolating circuit are integrated on a circuit board. The output end of the isolated power supply supplies power for circuits. The input end of the isolated power supply is connected to an external ...
Core independent ultrasonic proximity sensing peripheral
Microchip Technology Incorporated
September 07, 2017 - N°20170254900

A proximity sensing function is implemented using a collection of core independent peripherals (cips) in a microcontroller without software overhead to the central processor during operation thereof. A pulse width modulation (pwm) peripheral generates a high frequency drive signal that is on for a short duration to an ultrasonic transmitting transducer. An ultrasonic receiving transducer receives reflected ultrasonic pulses during ...
Pulse Width Modulation Patent Pack
Download 123+ patent application PDFs
Pulse Width Modulation Patent Applications
Download 123+ Pulse Width Modulation-related PDFs
For professional research & prior art discovery
inventor
  • 123+ full patent PDF documents of Pulse Width Modulation-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
System and method for detecting presence of an infusion cartridge in an infusion pump
Tandem Diabetes Care, Inc.
August 31, 2017 - N°20170246379

Infusion devices, systems, and methods can detect a presence or absence of an infusion cartridge in an infusion pump. Embodiments may include a loading sequence, recording loading pulse width modulation (pwm) commands applied to an infusion pump motor during the loading sequence, setting a value of threshold pwm commands based on the commands applied during the loading sequence and comparing ...
Method and system for controlling a control installation of an electric motor
Schneider Toshiba Inverter Europe Sas
August 24, 2017 - N°20170244343

A control method which is deployed in a control installation of an electric motor, the control installation including a first converter controlled for the application of the first voltage pulse edges to an electric motor of a first pulse width modulation, obtained by comparing a first carrier signal, applied at a first chopping frequency, with a first modulating signal, a ...
Switching regluator with multiple mosfet types
Empower Semiconductor
August 24, 2017 - N°20170244321

A buck voltage converter is disclosed. The buck voltage generator includes a controller configured to generate one or more pulse width modulation (pwm) signals, and a plurality of serially connected switches configured to receive the pwm signals and to generate an output voltage signal at an output terminal based on the received pwm signals. The output voltage signal has an ...
System and method for communicating bidirectionally and simultaneously
Pellenc (societe Anonyme)
August 24, 2017 - N°20170244280

Method and system for communicating between a first piece of equipment and a second piece of equipment connected to the first piece of equipment via a single-conductor transmission line, wherein data (data1, data2) are transmitted from the first piece of equipment to the second piece of equipment by pulse width modulation of a transmission signal emitted on the transmission line, ...
Overheat protection unit
Denso Corporation
August 24, 2017 - N°20170244240

When a temperature is less than a first threshold, a protection circuit unit executes a normal operation by a pulse width modulation. When the temperature is greater than or equal to the first threshold and is less than a second threshold, the protection circuit unit executes a first heat dissipation suppressing operation that suppresses a self-heating of a switching element. ...
Three-phase ac/dc converter, photochemical reaction device and method using same, and method for producing ...
Toray Industries, Inc.
August 17, 2017 - N°20170238381

Provided are a three-phase ac/dc converter disposed between a three-phase ac power supply and a light emitting diode group, the converter including a three-phase full bridge circuit in which pairs of switching elements are connected in parallel between dc buses for the three phases of the three-phase ac power supply; reactors connecting connection portions between the switching elements and ...
System and method for modulation and demodulation
Pr Electronics A/s
August 17, 2017 - N°20170237420

The present invention relates to a system and a method for pulse width modulation and demodulation of a continuous input signal, which system is configured to receive a continuous input to an analog modulator, which system comprises a demodulator generating a continuous output signal. It is the object of the pending patent application to use an analog modulator for transmitting ...
Motor controller, motor control method, and non-transitory computer-readable medium encoded with motor control program
Fanuc Corporation
August 17, 2017 - N°20170237384

A motor controller, a motor control method, and a motor control program are provided, all of which are capable of appropriately suppressing temperature elevation in a motor, while protecting an amplifier. A motor controller for driving a motor by way of pulse width modulation includes: a temperature acquisition unit that acquires a temperature of a motor; a limiting value determination ...
Loading