Images List Premium Download Classic

Duty Cycle

Duty Cycle-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


loading
Methods and systems for operating hybrid power devices using driver circuits that perform indirect instantaneous ...
Eaton Corporation
October 12, 2017 - N°20170294911

An integrated circuit is provided with an mcu, which is configured to generate a pwm control signal that is free of switching pattern information therein. A current-estimating gate driver is provided, which is responsive to the pwm signal. This gate driver is configured to drive first and second gate terminals of first and second parallel switching devices (within a hybrid ...
Systems of preventing engine bearing damage
Carrier Corporation
October 12, 2017 - N°20170292419

A system for protecting an engine from damage due to vibration while the engine is not operating is provided. The system includes an engine having a crankshaft, at least one piston, at least one bearing, a lubricating fluid source, and a fluid pump associated therewith and a controller operationally connected to and configured to control the fluid pump. When the ...
Implantable pump system having a coaxial ventricular cannula
Corwave Sa
October 12, 2017 - N°20170290967

An implantable cardiovascular blood pump system is provided, suitable for use as a left ventricular assist device (lvad) system, having an implantable cardiovascular pump, an extracorporeal battery and a controller coupled to the implantable pump, and a programmer selectively periodically coupled to the controller to configure and adjust operating parameters of the implantable cardiovascular pump. The implantable cardiovascular blood pump ...
Duty Cycle Patent Pack
Download 179+ patent application PDFs
Duty Cycle Patent Applications
Download 179+ Duty Cycle-related PDFs
For professional research & prior art discovery
inventor
  • 179+ full patent PDF documents of Duty Cycle-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.
Auxiliary power system for an agricultural baler with feedforward control
Cnh Industrial America Llc
October 12, 2017 - N°20170290272

An agricultural baler includes a main bale chamber and a plunger reciprocally movable within the main bale chamber. The plunger has a duty cycle. A flywheel is associated with the movement of the plunger, and a driveline is associated with the flywheel and couplable with a power take-off of a traction unit. The baler is characterized by an auxiliary power ...
Pulse-width modulation voltage identification interface
Altera Corporation
October 05, 2017 - N°20170288648

Systems, methods, and devices for voltage identification using a pulse-width modulation signal are provided. Such an integrated circuit device may include an input/output (i/o) interface and voltage identification (vid) circuitry. The vid circuitry may be coupled to the input/output interface. The voltage identification circuitry may generate a voltage identification signal that is output on the input/output ...
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 ...
Duty Cycle Patent Pack
Download 179+ patent application PDFs
Duty Cycle Patent Applications
Download 179+ Duty Cycle-related PDFs
For professional research & prior art discovery
inventor
  • 179+ full patent PDF documents of Duty Cycle-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.
Induction rechargeable electronic candle system
Shenzhen Liown Electronics Company Ltd.
October 05, 2017 - N°20170284615

A large plurality of artificial, battery-operated, electronic candles are arranged to be simultaneously recharged upon placement on a series of interconnected charging trays that include a transformer primary winding at defined locations thereon. The primary windings are driven by an ac signal whose duty cycle is controlled by a pulse width modulator 1c to induce a voltage across secondary windings ...
Project management system for worksite including machines performing operations and method thereof
Caterpillar Inc.
October 05, 2017 - N°20170284072

A project management system for a worksite including a machine performing an operation therein is provided. The project management system includes a collection unit configured to collect data associated with at least one of the operation of the machine at the worksite and nature of the worksite. The project management system further includes a controller in communication with the collection ...
Integrated voltage regulator with in-built process, temperature and aging compensation
Nvidia Corporation
September 28, 2017 - N°20170279440

A method for regulating voltage for a processor is disclosed. The method comprises requesting a target frequency value, wherein the target frequency value determines a target clock frequency for clocking the processor. The method also comprises comparing the target clock frequency to a first signal to generate an error signal. Further, the method comprises using the error signal to generate ...
Duty cycle estimator
Qualcomm Incorporated
September 28, 2017 - N°20170279352

A duty cycle estimation circuit includes a latch circuit that receives a clock signal for a voltage regulator. The latch circuit outputs a duty cycle estimate. The duty cycle estimation circuit also includes a low pass filter coupled to an output of the latch circuit to receive the duty cycle estimate. The duty cycle estimation circuit further includes a comparator ...
Measuring harvested energy using an ultra-low duty cycle measurement system
Assa Abloy Inc.
September 28, 2017 - N°20170278880

A method for measuring energy harvested from at least one energy source for use in an access control system, comprising providing an access control device adapted to be at least partially powered by energy harvested from at least one energy source; providing at least one sensor receiving energy from the at least one energy source; providing an energy harvesting manager ...
Estimating voltage on speaker terminals driven by a class-d amplifier
Texas Instruments Incorporated
September 21, 2017 - N°20170272045

A system includes an audio amplifier, a duty cycle detector, a channel equalizer, and a sample-and-hold circuit. The audio amplifier is configured to amplify an analog audio signal to produce an amplified audio signal. The duty cycle detector is configured to generate a saturation detect signal at a first state upon detection that the amplified audio signal produced by the ...
Inverter device and controlling method thereof
Texas Instruments Incorporated
September 21, 2017 - N°20170272005

An inverter device comprises a first stage circuit, a second stage circuit and a control module. The first stage circuit comprises a first switch module and a charge-discharge module. The second stage circuit comprises a second switch module and a filter module. The control module outputs a first control signal for controlling the first switch module to turn on/off ...
Duty Cycle Patent Pack
Download 179+ patent application PDFs
Duty Cycle Patent Applications
Download 179+ Duty Cycle-related PDFs
For professional research & prior art discovery
inventor
  • 179+ full patent PDF documents of Duty Cycle-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.
Hybrid soft-start for isolated converter
Analog Devices, Inc.
September 21, 2017 - N°20170271977

Apparatus and methods are provided for starting up an isolated power converter. In an example, an integrated circuit for controlling an isolated power converter can include a control circuit configured to control a duty cycle of a primary switch according to an startup schedule during an initial interval of a start-up period of the isolated power supply, and to switch ...
Microcurrent device and method for the treatment of visual disease
Nova Oculus Partners, Llc
September 21, 2017 - N°20170266446

An electrotherapeutic device for treating a visual disease using microcurrent stimulation is provided. The device includes a signal generator in which a waveform controller digitally controls a waveform signal source so as to generate a waveform in which one or more waveform parameters (e. G., pulse width, pulse period, pulse position, pulse coding, peak current amplitude, duty cycle, and/or ...
Microcurrent device for the treatment of visual disease
The Eye Machine, Llc
September 21, 2017 - N°20170266445

An electrotherapeutic device for treating a visual disease using microcurrent stimulation is provided. The device includes a signal generator in which a waveform controller digitally controls a waveform signal source so as to generate a waveform in which one or more waveform parameters (e. G., pulse width, pulse period, pulse position, pulse coding, peak current amplitude, duty cycle, and/or ...
System and method for modulated surgical procedure irrigation and aspiration
Abbott Medical Optics, Inc.
September 21, 2017 - N°20170266046

A method and apparatus for performing modulated fluid delivery and aspiration during a surgical procedure such as phacoemulsification is provided. The method and apparatus include delivering fluid and/or aspirating fluid in a modulated or pulsed manner during a surgical procedure, including applying fluid and/or aspirating fluid in connection with ultrasonic energy at a level and for a time ...
Active clamp flyback converter
Fairchild Korea Semiconductor Ltd.
September 14, 2017 - N°20170264206

An active clamp flyback converter includes a low-side switch that serves as a power switch and a high-side switch that serves as a clamp switch. The high-side switch is operated in one of two active clamp switching modes, which is selected based on load condition. In a complementary active clamp mode, the switching frequency of the low-side switch is decreased ...
Bidirectional isolated multi-level dc-dc converter and method thereof
Ablerex Electronics Co., Ltd.
September 14, 2017 - N°20170264205

A dc-dc converter is operated in a boost mode by operating a plurality of low-voltage side switches with a first fixed duty cycle (greater than 0. 5), with cutting off a plurality of the first high-voltage side switches and a plurality of the second high-voltage side switches, with conducting a plurality of the first diodes of the first high-voltage side switches and ...
Switched mode power supply compensation loop
Telefonaktiebolaget Lm Ericsson (publ)
September 14, 2017 - N°20170264185

A controller, and related method, configured to generate a duty cycle control signal for controlling an output voltage of a switched mode power supply as a function of a reference signal. In one embodiment, the controller is configured to sample a signal indicative of the output voltage to generate a first sampled signal, filter out a ripple component of the ...
Modulation engine for dimming control
Infineon Technologies Ag
September 07, 2017 - N°20170257917

A modulation engine for a light-emitting-diode (led) driver is described that includes an output port, a charge current source, a discharge current source, and an output control unit. The output control unit is configured to generate a modulation signal (e. G., a pulse-width-modulation signal) at the output port by at least alternating, based on a duty cycle of the modulation ...
Loading