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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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NEW Hybrid control architecture for load-adaptive power converter
The Regents Of The University Of Michigan
August 17, 2017 - N°20170237348

A pulse width modulated power converter is presented with load-adaptive power transistor scaling scheme using analog-digital hybrid control. The coarse digital control generates an approximate duty cycle necessary for driving a given load and selects an appropriate width of power transistors to minimize redundant power dissipation. The fine analog control provides the final tuning of the duty cycle to compensate ...
NEW Current mode switching regulator and operating method with offset circuitry to emulate a transient load ...
Linear Technology Corporation
August 17, 2017 - N°20170237345

A current mode switching regulator circuit and operating method includes a variable duty cycle power switch controller, a voltage feedback loop that provides a feedback signal based on the output voltage, a current feedback loop that provides a current sense signal based on the output current, and an offset circuit having an external signal input and coupled to the current ...
NEW Voltage generation circuit and integrated circuit including the same
Sk Hynix Inc.
August 17, 2017 - N°20170235324

A voltage generation circuit includes: a periodic wave generator that generates an on/off signal that is periodically enabled/disabled, where at least one between a period and a duty cycle of the on/off signal is controlled based on at least one information among temperature information, capacitance information, leakage current information, speed information, and voltage level information; and an ...
NEW Duty Cycle Patent Pack
Download 179+ patent application PDFs
Duty Cycle Patent Applications
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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.
NEW Laundry treating appliance and methods of operation
Whirlpool Corporation
August 17, 2017 - N°20170233924

The laundry treating appliance can comprise a wash basket defining a washing chamber, having a clothes mover in the treating chamber to agitate the clothes during a cycle of operation for cleaning. The method can comprise supplying a wash liquid to the treating chamber and rotating the clothes mover within the treating chamber with an electric motor operating at a ...
Receiver circuit and system using the same
Sk Hynix Inc.
August 10, 2017 - N°20170230018

A receiver circuit may be provided. The receiver circuit may include a first duty cycle adjuster configured to correct a duty cycle of a first output signal pair. The receiver circuit may include a second duty cycle adjuster configured to correct a duty cycle of a second output signal pair, based on the first output signal pair, after the first ...
Electric power converter and power amplifier
Jgc Corporation
August 10, 2017 - N°20170230016

An electric power converter includes a first capacitor being located between an input terminal and an output terminal, and that connects a first terminal being located between the input terminal and a ground, a reactor that connects through electric contact between the first terminal and the output terminal, a switching element that connects through electric contact between the input terminal ...
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.
Zero flow lubrication for a high pressure fuel pump
Ford Global Technologies, Llc
August 10, 2017 - N°20170226954

Methods and systems are providing for improving zero flow lubrication (zfl) of a high pressure fuel pump coupled to direct fuel injectors via a direct injection fuel rail. A zfl transfer function for the fuel pump is learned while fuel is at non-nominal fuel bulk modulus conditions and corrected for variations from a nominal fuel bulk modulus estimate. When zero ...
Methods and systems for treating overactive bladder using an implantable electroacupuncture device
Valencia Technologies Corporation
August 10, 2017 - N°20170224584

An exemplary electroacupuncture device includes a central electrode of a first polarity centrally located on a surface of a housing of the electroacupuncture device and an annular electrode of a second polarity that is spaced apart from the central electrode. The electroacupuncture device is implanted beneath a skin surface of a patient at an acupoint corresponding to a tibial nerve ...
Dimming module and solid state lighting device
Lextar Electronics Corporation
August 03, 2017 - N°20170223793

A dimming module and a solid state lighting device are shown. The dimming module includes a rectifying circuit, a first driving circuit, and a processing circuit. The rectifying circuit is configured to convert an ac voltage to a rectified voltage. The first driving circuit is configured to receive the rectified voltage to provide a first current so as to drive ...
Duty cycle calibration circuit
Via Alliance Semiconductor Co., Ltd.
August 03, 2017 - N°20170222631

A duty cycle calibration circuit includes a first signal-generating circuit, receiving a clock signal to generate a first signal and a second signal, wherein the second signal and the first signal are the inverse of each other and synchronous. The calibration circuit also includes a first transmission gate, supplying a supply voltage to an adjustment signal according to the first ...
Three level neutral point clamped converter with improved voltage balancing
Raytheon Company
August 03, 2017 - N°20170222574

An npc converter is controlled by estimating current flow during the short vector periods of a space vector modulation drive signal. The current estimation is used to close a first order inner current regulator loop that steers current to either the upper capacitor or the lower capacitor of a dc link. An outer voltage regulator measures the voltage imbalance across ...
Switching-mode power supply with helper current source
Qualcomm Incorporated
August 03, 2017 - N°20170222554

Power supplies combining a switching-mode power supply in parallel with a current source can improve maximum load current capability. The current source can be turned on, or the amount of current supplied by the current source increased, when there is a heavy load current demand, for example, when the load current demand is more than the current rating of the ...
Dc-dc converter including dynamically adjusted duty cycle limit
Hamilton Sundstrand Corporation
August 03, 2017 - N°20170222549

A dc-dc converter including a dc input and a dc output, at least one switch connecting the dc input to a converter inductor, the converter inductor connecting the at least one switch to the dc output, a controller configured to control an open/closed state of the at least one switch, a first voltage sensor connected to the dc input ...
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.
Duty cycle control for charging a battery
Qualcomm Incorporated
August 03, 2017 - N°20170222463

A battery charging implementation improves the charging time (e. G., deliver a maximum or improved charge while minimizing or reducing power loss on the mobile device) by regulating a charging device duty cycle (e. G., buck duty cycle) of a switching regulator/converter (e. G., buck regulator) to a narrow range. An input voltage of a battery charging circuit is ...
Image forming apparatus
Konica Minolta, Inc.
August 03, 2017 - N°20170219968

An image forming apparatus includes halogen lamp heaters, an ac power supply, a temperature detection unit and a control unit. The heaters have a same light distribution and heat a fixing member of an image fixing unit. The detection unit detects a temperature of the fixing member. The control unit determines a combination of the heaters based on output of ...
Peristaltic pump with linear flow control
Q-core Medical Ltd.
August 03, 2017 - N°20170218945

A peristaltic pump includes a conduit having a first end tor receiving a fluid from a reservoir and a second end for delivering the fluid. A plurality of fingers are disposed at respective locations along a segment of the conduit and are configured to alternately compress and release the conduit at the locations. A cyclical pump mechanism is coupled to ...
System and method for generating a drive signal
Deka Products Limited Partnership
August 03, 2017 - N°20170217750

A method and computer program product for defining a pwm drive signal having a defined voltage potential. The pwm drive signal has a plurality of “on” portions and a plurality of “off” portions that define a first duty cycle for regulating, at least in part, a flow rate of a pump assembly. ...
High-frequency low duty cycle patterns for nerual regulation
Enteromedics Inc.
August 03, 2017 - N°20170216602

A method of downregulating and/or upregulating neural activity by applying a high frequency alternating current electrical signal to a nerve in a subject is disclosed. The signal comprises more than one microsecond cycle comprising one or more periods, each period comprising a charge recharge phase, and optionally, a pulse delay, each period having a frequency of at least 1000 hz; ...
Treatments methods and portable surgical devices for treating neoplastic and hyperplastic cells in the cervix ...
Enteromedics Inc.
August 03, 2017 - N°20170215936

A portable electrosurgical device (esd) has a housing, a probe connected to the housing and a heating element connected to the probe for destroying human tissue. The heating element is detachable from the probe and/or the probe with heating element can be detachable from the housing. The user can set a drive signal's electrical characteristics, such as operating frequency, ...
Light-emitting diode electrical circuitry for illumination
Metrolight Ltd.
July 27, 2017 - N°20170215246

A switch module mountable in a switch box including a switch with a first terminal connectable to the live wire input and a second terminal, a driver circuit with input from the second terminal of the switch and with an output connected to the live wire output. The driver circuit outputs electrical power to the lighting circuit over the live ...
Balanced control strategies for interconnected heterogeneous battery systems in smart grid applications
Wayne State University
July 27, 2017 - N°20170214246

A battery network includes a plurality of heterogeneous batteries coupled to at least one energy source and one energy load, a plurality of switches coupled to the heterogeneous batteries, and the switches controllable having a duty cycle between 0 and 1. A controller is configured to characterize each of the plurality of heterogeneous batteries characteristics, determine duty cycles for each of the ...
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