Images List Premium Download Classic

Feedback Signal

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


loading
Sound feedback detection method and device
Hytera Communications Corp., Ltd.
December 07, 2017 - N°20170353792

An acoustic feedback detection method and device. According to the method, whether acoustic feedback occurs is determined based on a frequency characteristic of an acoustic feedback signal. Specifically, a judgment value is determined using a power peak value and an average peak value, and it is determined whether acoustic feedback occurs in a signal based on a magnitude of the ...
Image-processing system to improve modal purity and reduce modal crosstalk
Hytera Communications Corp., Ltd.
December 07, 2017 - N°20170353241

An optical system for coupling an optical signal into an orbital angular momentum (oam) mode of an oam optical fiber is disclosed. The system includes a first detector array for capturing an input image, a processor for processing the input image to determine modal purity and for generating a feedback signal based on the modal purity and a spatial light ...
Wide bandwidth digital predistortion system with reduced sampling rate
Dali Systems Co. Ltd.
December 07, 2017 - N°20170353199

A digital predistortion linearization method is provided for increasing the instantaneous or operational bandwidth for rf power amplifiers employed in wideband communication systems. Embodiments of the present invention provide a method of increasing dpd linearization bandwidth using a feedback filter integrated into existing digital platforms for multi-channel wideband wireless transmitters. An embodiment of the present invention utilizes a dpd feedback ...
Feedback Signal Patent Pack
Download 187+ patent application PDFs
Feedback Signal Patent Applications
Download 187+ Feedback Signal-related PDFs
For professional research & prior art discovery
inventor
  • 187+ full patent PDF documents of Feedback Signal-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.
Controlling output voltage for power converter
Fairchild Korea Semiconductor, Ltd.
December 07, 2017 - N°20170353112

A method includes generating a first feedback signal in response to a tracking signal indicating an output signal of the power converter. The method further includes detecting an overshoot of the tracking signal or an undershoot of the tracking signal, generating a second feedback signal in response to the detection result and the first feedback signal, and generating a modulation ...
A controllable driver and drive method
Philips Lighting Holding B.v.
December 07, 2017 - N°20170353097

A controllable driver (1) is provided for driving a load. The controllable driver (1) comprises a primary converter (11) and a control circuit (13) isolated from one another by an opto-isolator (18). The controllable driver (11) is isolated from an output load (19) by a magnetically coupled pair of windings (112, 114); wherein said windings are adapted to provide a voltage supply to said output load. A feedback signal ...
Control circuit, control method and switching power supply thereof
Silergy Semiconductor Technology (hangzhou) Ltd
November 30, 2017 - N°20170347417

A control circuit for generating a switching control signal to control switching operations of a power switch in a power stage circuit, can include: a first control loop configured to receive a first voltage feedback signal, and to generate a first compensation signal; a voltage regulating circuit configured to receive an output voltage signal of the power stage circuit, and ...
Feedback Signal Patent Pack
Download 187+ patent application PDFs
Feedback Signal Patent Applications
Download 187+ Feedback Signal-related PDFs
For professional research & prior art discovery
inventor
  • 187+ full patent PDF documents of Feedback Signal-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.
Method and apparatus for feeding back and receiving acknowledgement information of semi-persistent scheduling data packets
Huawei Technologies Co., Ltd.
November 30, 2017 - N°20170346613

The application relates to radio communications and discloses a method and apparatus for feeding back and receiving acknowledgment (ack) information of semi-persistent scheduling (sps) data packets. The method includes receiving downlink data packets and an uplink data assignment indicator (ul dai) from a base station, wherein a value of the ul dai indicates a number (n) of all scheduled downlink ...
Dtc-based pll and method for operating the dtc-based pll
Vrije Universiteit Brussel
November 30, 2017 - N°20170346493

The disclosure provides a phase locked loop, pll, for phase locking an output signal to a reference signal. The pll comprises a reference path providing the reference signal to a first input of a phase detector, a feedback loop providing the output signal of the pll as a feedback signal to a second input of the phase detector, a controllable ...
Systems and methods for reducing electromagnetic interference by adjusting switching processes
On-bright Electronics (shanghai) Co., Ltd.
November 30, 2017 - N°20170346408

System and method for regulating a power conversion system. An example system controller for regulating a power conversion system includes a signal generator and a driving component. The signal generator is configured to receive a feedback signal associated with an output signal of a power conversion system and a current sensing signal associated with a primary current flowing through a ...
Gain adjustment circuit to enhance stability of multiple-output ac/dc converters
Apple Inc.
November 30, 2017 - N°20170346406

This disclosure describes an ac/dc power converter that produces multiple output voltage levels. The ac/dc power converter may include a gain adjustment circuit. The gain adjustment circuit may adjust the gain of a feedback signal of the converter in accordance with the converter's output voltage level. The gain adjustment circuit provides sufficient gain and phase margins to the ...
Systems and methods for real-time signal sampling in power conversion systems
On-bright Electronics (shanghai) Co., Ltd.
November 30, 2017 - N°20170346403

System and method for regulating a power conversion system. An example system controller includes a signal processing component and a driving component. The signal processing component is configured to receive a feedback signal associated with an output signal of a power conversion system and generate a processed signal based on at least information associated with the feedback signal. The driving ...
Buck-boost converters with ramp compensation
Chengdu Monolithic Power Systems Co., Ltd.
November 30, 2017 - N°20170346400

A control method used in a four-switch buck-boost converter includes: filtering the voltage at the first switching node and generating a first ramp signal; filtering the first ramp signal and generating a first average signal; filtering the voltage at the second switching node and generating a second ramp signal; filtering the second ramp signal and generating a second average signal; ...
Inductor current emulation for output current monitoring
Fairchild Semiconductor Corporation
November 30, 2017 - N°20170346385

A switch mode power supply controller includes a switch terminal adapted to be coupled to an inductor that drives a load, high- and low-side switches a pulse width modulation (pwm) circuit, and a current monitor circuit. The pwm circuit is coupled to a feedback terminal for receiving a feedback signal, and alternatively drives the high-side switch and the low-side switch ...
Feedback Signal Patent Pack
Download 187+ patent application PDFs
Feedback Signal Patent Applications
Download 187+ Feedback Signal-related PDFs
For professional research & prior art discovery
inventor
  • 187+ full patent PDF documents of Feedback Signal-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.
Vehicle alignment systems for loading docks
Fairchild Semiconductor Corporation
November 30, 2017 - N°20170341516

Example vehicle alignment systems for use at loading docks are disclosed herein. An example vehicle alignment system includes a first arm extending a first distance from a wall of the loading dock, where the first arm is positioned adjacent a first lateral edge of a doorway of the loading dock. A first sensor is coupled to the first arm, where ...
Vehicle alignment systems for loading docks
Fairchild Semiconductor Corporation
November 30, 2017 - N°20170341515

Example vehicle alignment systems for use at loading docks are disclosed herein. An example vehicle alignment system includes an outer sensor pair to detect a surface of the vehicle. The outer sensor pair is to obtain a first feedback signal representative of an orientation of the detected surface relative to a reference as the vehicle approaches a doorway of the ...
Vehicle alignment systems for loading docks
Fairchild Semiconductor Corporation
November 30, 2017 - N°20170341514

Example vehicle alignment systems for use at loading docks are disclosed herein. An example vehicle alignment system includes a first switch positioned on a first lateral edge of a doorway of the loading dock. The first switch is to be engageable by a first side surface of the vehicle. A second switch is positioned on a second lateral edge of ...
Fabricating three dimensional objects
Hewlett-packard Development Company, L.p.
November 30, 2017 - N°20170341307

A method of heating a surface while fabricating a 3-d object is disclosed wherein a first temperature feedback signal from a first location on the surface is used to control the energy radiated by an energy source during a first stage of the fabrication process. A second temperature feedback signal from a second location on the surface is used to ...
Wireless communication apparatus and wireless communication method
Sun Patent Trust
November 23, 2017 - N°20170339674

To suppress concentration of channel quality information requests and reports in a case of discontinuously transmitting reference signals at specific resources in a time domain, and thereby preventing degradation in throughput. A transmission apparatus transmits an instruction of csi request distributed for each reception apparatus in a subframe concurrently with or earlier than a reference signal csi-rs to each of ...
Method and apparatus for spectrum spreading of a pulse-density modulated waveform
Entropic Communications, Llc
November 23, 2017 - N°20170338983

Methods and systems are provided for spreading spectral density of pulse streams during digital to analog conversion. An example system may comprise an accumulator circuit, a bit generator circuit, and a feedback circuit. The accumulator circuit may be operable to receive a signal to be spread and generate an output based on the signal to be spread and on one ...
Switching control circuit with signal process to accommodate the synchronous rectifier of power converters
Semiconductor Components Industries, Llc
November 23, 2017 - N°20170338749

A switching control circuit of a power converter according to the present invention comprises an input circuit and a clock generator. The input circuit is coupled to receive a feedback signal for generating a switching signal. The clock generator generates a clock signal to determine a switching frequency of the switching signal. The feedback signal is correlated to an output ...
Control circuit and related integrated circuit and switching-type converter
Silergy Semiconductor Technology (hangzhou) Ltd
November 23, 2017 - N°20170338744

A control circuit can include: a power supply circuit having a bias capacitor coupled between a power terminal and a common node, where the power supply circuit supplies power to the control circuit via the bias capacitor; a detection circuit coupled between the common node and a current output terminal of a main power switch of a power stage circuit, ...
Loading