Duty Cycle

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

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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 ...
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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 ...
Duty Cycle Patent Pack
Download 179+ patent application PDFs
Duty Cycle Patent Applications
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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.
Methods and apparatus to power an exercise machine
Brunswick Corporation
May 11, 2017 - N°20170128763

Methods and apparatus to power an exercise machine are disclosed herein. An example exercise machine includes a generator to convert movement of a moveable part of the exercise machine into electric power. The example exercise machine includes a generator power receiver to measure the power output by the generator, and to calculate a rotations per minute of the moveable part. ...
Method and apparatus for signaling in dense network operations
Qualcomm Incorporated
May 04, 2017 - N°20170127454

A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus transitions to a dormant state and transmits a very low duty cycle signal (ldcs) while in the dormant state. The apparatus may transmit an ldcs configuration to a second entity, the second entity being one of an lpn that is not in a dormant ...
Digital clock-duty-cycle correction
Texas Instruments Incorporated
May 04, 2017 - N°20170126220

A clock generator includes a duty cycle correction circuit. The duty cycle correction circuit includes a duty cycle detector. The duty cycle detector, includes a first programmable delay element and a controller. The first programmable delay element is configured to delay a clock signal. The controller is configured to vary an amount of delay applied to the clock signal by ...
Digital clock-duty-cycle correction
Texas Instruments Incorporated
May 04, 2017 - N°20170126219

A duty cycle correction circuit includes a charge pump and a controller. The charge pump includes a current source, a first output, and a second output. The charge pump routes current from the current source to the first output during a positive portion of a clock, and routes current from the current source to the second output during a negative ...
System and method for adjusting duty cycle in clock signals
Samsung Electronics Co., Ltd.
May 04, 2017 - N°20170126211

A device and method are disclosed. The device and method allow the clock signal of a wireless communication device to produce an oscillation with a 50% duty cycle. The device and method allows quick convergence to a 50% duty cycle after power up and also provides stability of the duty cycle across variations in ambient temperature and power supply fluctuations. The device ...
Area-friendly method for providing duty cycle inverse to supply voltage
Semiconductor Components Industries, Llc
May 04, 2017 - N°20170126126

An illustrative converter embodiment employs an oscillator comprising a capacitor and a comparator. The capacitor is alternately coupled to a charging current source and a discharging current source, the charging current source operating to charge the capacitor at a first rate and the discharging source operating to discharge the capacitor at a second rate. The comparator asserts an output signal ...
Feedforward circuit for dc-to-dc converters with digital voltage control loop
Infineon Technologies Ag
May 04, 2017 - N°20170126119

Methods, devices, and systems are disclosed for receiving a first clock signal; receiving a digital duty cycle value; using the first clock signal and digital duty cycle value to generate a digital pulse width modulation (dpwm) signal having a plurality of discrete steps to control a switch of a switched-mode power supply; and using a voltage control circuit to modify ...
Duty Cycle Patent Pack
Download 179+ patent application PDFs
Duty Cycle Patent Applications
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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.
Low-duty-cycle continuous-wave photoconductive terahertz imaging and spectroscopy systems
The Regents Of The University Of California
May 04, 2017 - N°20170123292

Systems and methods for plasmonics enhanced photomixing for generating continuous-wave (cw) frequency-tunable terahertz radiation in accordance with embodiments of the invention are disclosed. A photomixing system configured to generate continuous-wave terahertz frequency signals can include an optical pump configured to generate at least two beams, where the at least two beams are utilized to create a frequency-offset and operate below ...
Methods and apparatuses for use of simultaneous multiple channels in the dynamic frequency selection band ...
Network Performance Research Group Llc
May 04, 2017 - N°20170123049

The present invention relates to wireless networks and more specifically to systems and methods for selecting available channels free of radar signals from a plurality of 5 ghz radio frequency channels. In one embodiment, the present invention provides a standalone multi-channel dynamic frequency selection (dfs) master that includes a switch and embedded processor that are programmed to switch a 5 ghz radio ...
Wall mounted ac to dc converter gang box
Erp Power, Llc
April 27, 2017 - N°20170118809

A dual stage power converter capable of being installing in a one-gang box and powering an led load is presented. The dual stage converter can include a power factor correction (pfc) stage operating in transition mode and a resonant converter stage operating at a fixed frequency with a fixed duty cycle and dead time. A dimmer input may be included ...
Duty cycle corrector, semiconductor device including the same, and method of operating duty cycle corrector
Samsung Electronics Co., Ltd.
April 27, 2017 - N°20170117887

A duty cycle corrector (dcc) includes a duty corrector circuit configured to adjust a duty of an input signal to output a duty-adjusted signal; a duty detector circuit configured to generate a correction code associated with the adjustment of the duty, based on a charge pump operation and a counting operation; and a timing controller configured to generate a first ...
Motor control device and electric power steering system using said motor drive circuit
Hitachi Automotive Systems, Ltd.
April 27, 2017 - N°20170117830

The purpose of the present invention is not only to reduce ripple current but also to improve operation efficiency by reducing heat generation. When n is defined as an integer of 2 or more, a motor control device of the present invention drives n sets of windings by n sets of inverters. The motor control device is characterized in that when ...
Pre-charging a capacitor bank
General Electric Company
April 27, 2017 - N°20170117722

Systems and methods of pre-charging a capacitor bank are provided. In particular, a power switch and a current limiting device can be coupled in series between a power source and a capacitor bank. Operation of the power switch can be controlled to limit a peak charging current applied to the capacitor bank during a pre-charging process. In this manner, a ...
Detecting cell over-temperature in a battery cell
Boston-power, Inc.
April 27, 2017 - N°20170117532

A device for indicating over-temperature of one or more battery cells includes a thermal sensor proximate to a battery cell, a controller in electrical communication with the thermal sensor, and a switch and resistor connected in series across the battery cell, which are controlled by the controller. The device detects whether a given battery cell or group of cells reaches ...
Isolated control circuit and driver for micro-electromechanical system switch
General Electric Company
April 27, 2017 - N°20170117111

A switching system includes a control circuit that receives on-off signals indicative of a desired operating state of a switch. The control circuit includes an oscillator that generates a first electrical pulse responsive having a first signal characteristic or a second signal characteristic that is determined by the received on-off signal, which may be related to a frequency or duty ...