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Duty Cycle

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


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Boost dc-dc converter having digital control and reference pwm generators
June 15, 2017 - N°20170170728

A boost dc-dc converter operating in pulse frequency modulation (pfm) and pulse width modulation (pwm) modes includes a plurality of pwm signal generators. The pwm signal generators generate pwm signals with different duty cycles. Pwm signals with larger duty cycles may be selected for use in undervoltage situations.
Scan driving method for display panel
Shenzhen China Star Optoelectronics Technology Co., Ltd.
June 15, 2017 - N°20170169785

A scan driving method for a display panel is disclosed. The display panel has a pixel driving circuit including n scanning lines and m data lines; and the scanning lines and the data lines intersect each other to define a plurality of pixel units. The scan driving method includes a step of enabling the xth scanning line by a clock ...
Image forming apparatus
Konica Minolta, Inc.
June 15, 2017 - N°20170168433

An image forming apparatus includes a processor and heaters which heat a fixing member of an image fixing device. The processor calculates an application pattern for the heaters based on a temperature of the fixing member and generates a drive voltage by suitably selecting half waves from an ac waveform of an ac power supply according to the application pattern. ...
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Duty Cycle Patent Applications
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  • 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.
Duty cycle calibration circuit
Via Alliance Semiconductor Co., Ltd.
June 08, 2017 - N°20170163247

A signal-generating circuit includes a first p-type transistor, a second p-type transistor, a first n-type transistor, a second n-type transistor, a first inverter, a second inverter, and a third inverter. The first p-type transistor supplies a supply voltage to a first node according to an input signal. Both of the second p-type transistor and the first n-type transistor couple the ...
Synchronous buck dc-dc converter and method thereof
M3 Technology Inc.
June 08, 2017 - N°20170163150

A synchronous buck direct current to direct current (dc-dc) converter includes a signal output terminal, an output stage circuit, a first comparator, a latch, a control logic circuit, a driver circuit and an on-time control circuit. The output stage circuit provides an output voltage to the signal output terminal according to an input voltage. The first comparator receives a reference ...
Switched mode power supply compensation loop
Telefonaktiebolaget Lm Ericsson (publ)
June 08, 2017 - N°20170163142

There is provided a controller for controlling an output current of a switched mode power supply, smps. The controller comprises a sampling module arranged to sample a signal indicative of the output current of the smps at a frequency higher than a switching frequency of the smps, and a filter module arranged to filter out a ripple component of the ...
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.
Process for manufacturing nickel oxide films with high conductivity
Ming Chi University Of Technology
June 08, 2017 - N°20170159169

The invention provides a process for manufacturing nickel oxide films with high conductivity, comprising steps of: operating a high power impulse magnetron sputtering system, hipims system, in an argon and oxygen mixture, at peak power density higher than 1000 w/cm2 under a low duty cycle; and sputtering a ni target to form the p-type nio film with high conductivity on ...
Power amplifier saturation detection
Skyworks Solutions, Inc.
June 01, 2017 - N°20170155383

In a portable radio transceiver, a power amplifier system includes a saturation detector that detects power amplifier saturation in response to duty cycle of the amplifier transistor collector voltage waveform. The saturation detection output signal can be used by a power control circuit to back off or reduce the amplification level of the power amplifier to avoid power amplifier control ...
Local oscillator paths
Analog Devices Global
June 01, 2017 - N°20170155362

Provided herein are oscillator paths between an oscillator and mixers. In an embodiment, the oscillator paths include a first path between an oscillator and a first mixer and a second path between the oscillator and the second mixer, in which the first path is enabled in a first state (e. G., a low band state) and the second path is ...
Buck-boost converter
Dialog Semiconductor (uk) Limited
June 01, 2017 - N°20170155324

A buck-boost converter and a method are presented. The buck-boost converter comprises an inductor, a buck converter, and a boost converter. The buck converter controls switches according to a buck duty cycle, whereas the boost converter controls switches according to a boost duty cycle. The converter contains a voltage feedback loop for regulating an output voltage of the converter. A ...
Pulsed laser for lidar system
Luminar Technologies, Inc.
June 01, 2017 - N°20170155225

In one embodiment, a laser system includes a seed laser configured to produce optical seed pulses. The laser system also includes a first fiber-optic amplifier configured to amplify the seed pulses by a first amplifier gain to produce a first-amplifier output that includes amplified seed pulses and amplified spontaneous emission (ase). The laser system further includes a first optical filter ...
Power supply apparatus with protection function and redundant power supply system
Luminar Technologies, Inc.
May 25, 2017 - N°20170149271

A power supply apparatus with a protection function includes a pulse width modulation control unit, a pulse width modulation detecting unit, a switch unit and a feedback circuit. The feedback circuit detects a bus voltage. 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 ...
Lock for vehicle active front steering system
Luminar Technologies, Inc.
May 25, 2017 - N°20170144627

A system for a vehicle includes a gear and a plate fixed to the gear. The gear is driving by a motor for providing relative rotation between a steering wheel and steering shaft of the vehicle in an adaptive front steering system. The system includes a solenoid including a coil and a pin moveable relative to the coil to engage ...
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.
Photon modulation management system for stimulation of a desired response in birds
Luminar Technologies, Inc.
May 25, 2017 - N°20170142940

Embodiments described herein provide systems and methods for stimulating a desired response, such as ovulation and egg laying, fertility, hunger, growth, mood and sexual maturity in birds or ayes, by controlling the pulsing of two or more different wavelength bands, duty cycle, and frequency of photon bursts within a photon signal to a bird, where the photon modulation and duty ...
Device management
Philips Lighting Holding B.v.
May 18, 2017 - N°20170142811

Proposed is a device management apparatus and method for use in a device management network including a remote device management system. The device management apparatus comprises a communication interface (6) adapted to receive device management commands of differing nature from the remote device management system and to transmit a feedback signal to said remote device management system if requested by said ...
Enabling very large and very small duty cycles in switching converters
Cirrus Logic International Semiconductor Ltd.
May 18, 2017 - N°20170141675

In accordance with embodiments of the present disclosure, an apparatus may include a switched-mode power supply and a controller. The switched-mode power supply may include an inductor and a plurality of switches coupled to the inductor. The controller may be configured to control an inductor current of the inductor by controlling the plurality of switches to operate the switched-mode power ...
Microfluidic devices with integrated resistive heater electrodes including systems and methods for controlling and measuring ...
Canon U.s. Life Sciences, Inc.
May 18, 2017 - N°20170136466

The invention relates to methods and devices for control of an integrated thin-film device with a plurality of microfluidic channels. In one embodiment, a microfluidic device is provided that includes a microfluidic chip having a plurality of microfluidic channels and a plurality of multiplexed heater electrodes, wherein the heater electrodes are part of a multiplex circuit including a common lead ...
Implantable electroacupuncture system and method for treating dyslipidemia and obesity
Valencia Technologies Corporation
May 18, 2017 - N°20170135898

An exemplary method of treating obesity or dyslipidemia of a patient includes 1) generating, by an electroacupuncture device implanted beneath a skin surface of the patient, stimulation sessions at a duty cycle that is less than 0. 05, and 2) applying, by the electroacupuncture device in accordance with the duty cycle, the stimulation sessions to at least one of a saphenous nerve and a ...
Duty cycle detector
Sk Hynix Inc.
May 11, 2017 - N°20170134014

A duty cycle detector may include a rising clock detection unit enabled in response to a first control signal; a falling clock detection unit enabled in response to a second control signal with a different activation timing from the first control signal; and a comparison unit configured to compare an output signal of the rising clock detection unit to an ...
Systems and methods for adjusting peak frequencies with duty cycles
On-bright Electronics (shanghai) Co., Ltd.
May 11, 2017 - N°20170133941

Systems and methods are provided for regulating a power converter. An example system controller includes: a first controller terminal configured to output a drive signal to a switch to affect a current flowing through a primary winding of a power converter, the drive signal being associated with a switching period corresponding to a switching frequency; and a second controller terminal ...
Single-stage ac-to-dc converter
Lite-on Technology Corp.
May 11, 2017 - N°20170133926

A single-stage ac-to-dc converter includes a bus capacitor, a power factor correcting module, a resonant converting module and a control module. The power factor correcting module generates, based on an ac (alternating current) input voltage, a first control signal and a second control signal, a dc (direct current) bus voltage across the bus capacitor and an intermediate voltage switching between ...
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