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Modulation

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


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Efficient transmission of a response signal for a random access preamble transmitted from legacy or ...
Sun Patent Trust
January 11, 2018 - N°20180014335

In order to provide a transmission device and transmission method with which a response signal for random access preamble transmitted from a preamble transmission device is efficiently transmitted, setting unit in base station sets a first resource candidate group, which enables terminal capable of receiving a latch response transmitted by demodulation reference signal (dmrs) transmission to be selected, and a ...
Multi-carrier power pooling
Gogo Llc
January 11, 2018 - N°20180014261

Novel techniques for pooling the available transmit power of a beam across the subcarriers that are or that are scheduled to be in use (and not across all available subcarriers) are disclosed. The scheduled subcarriers may be located in the same or different carriers of a modulation transmitter modulation system, and the pooled transmit power may be allocated or distributed ...
Enabling low power mode in a mobile device
Qualcomm Incorporated
January 11, 2018 - N°20180014251

In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus operates in a first power mode with a first dl bandwidth in association with one of a radio resource control (rrc) idle state or an rrc connected state with a base station. The apparatus transitions to a second power mode with a ...
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Infrared imaging system and method of operating
Sony Corporation
January 11, 2018 - N°20180013965

A lens unit (120) shows longitudinal chromatic aberration and focuses an imaged scene into a first image for the infrared range in a first focal plane and into a second image for the visible range in a second focal plane. An optical element (150) manipulates the modulation transfer function assigned to the first and second images to extend the depth of field. ...
Combined amplitude-time and phase modulation
Quantumsine Acquisitions Inc.
January 11, 2018 - N°20180013603

A system and method comprise combining, at a first combiner, a first amplitude-time modulated (atm) signal and a first phase modulated signal to produce a complex wave modulation signal and combining, at a second combiner having an input coupled to an output of the first combiner, the complex wave modulation signal and an additional signal to produce a second complex ...
Coding and modulation apparatus using non-uniform constellation
Sony Corporation
January 11, 2018 - N°20180013602

A coding and modulation apparatus and method are presented. The apparatus comprises an encoder that encodes input data into cell words, and a modulator that modulates said cell words into constellation values of a non-uniform constellation. The modulator is configured to use, based on the total number m of constellation points of the constellation and the code rate, a non-uniform ...
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  • 202+ full patent PDF documents of Modulation-related inventions.
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Receiver for receiving data in a broadcast system using redundancy data
Sony Corporation
January 11, 2018 - N°20180013516

A receiver for receiving data in a broadcast system includes a broadcast receiver configured to receive, via the broadcast system, a receiver input data stream including a plurality of channel symbols represented by constellation points in a constellation diagram. A demodulator demodulates the channel symbols into codewords and a decoder decodes the codewords into output data words. A redundancy unit ...
Header encoding and modulation for single carrier physical layer
Intel Corporation
January 11, 2018 - N°20180013480

This disclosure describes systems, methods, and devices related to header encoding and modulation. A device may determine an enhanced directional multi-gigabit (edmg) header field vector comprising one or more bits. The device may determine a first vector associated with a scrambler device, wherein the first vector includes one or more first random bits. The device may scramble the edmg header ...
Rf system using pr-ask with orthogonal offset
Clairvoyant Technology Llc
January 11, 2018 - N°20180013469

An rf system using pr-ask with orthogonal offset is disclosed. In some embodiments, the system includes a pr-ask signal generator and an orthogonal offset generator. The pr-ask signal generator can produce a signal representing a sequence of symbols, for example, rfid symbols. The orthogonal offset generator can shift the pr-ask signal trajectory away from the origin while maintaining the time ...
Polar transmitter and method for generating a transmit signal using a polar transmitter
Vrije Universiteit Brussel
January 11, 2018 - N°20180013455

A polar transmitter provided for transmitting a phase/frequency modulated and amplitude modulated transmit signal and a method for generating a transmit signal using a polar transmitter are described. An example polar transmitter comprises a phase locked loop for generating a phase/frequency modulated precursor of the transmit signal. The phase locked loop comprises at its input a phase error ...
System and method of rf power transmission, modulation and amplification
Parkervision, Inc.
January 11, 2018 - N°20180013454

An apparatus, system, and method are provided for energy conversion. For example, the apparatus can include a trans-impedance node, a reactive element, and a trans-impedance circuit. The reactive element can be configured to transfer energy to the trans-impedance node. The trans-impedance circuit can be configured to receive one or more control signals and to dynamically adjust an impedance of the ...
Bit interleaver for low-density parity check codeword having length of 16200 and code rate of 4/15 and 64...
Electronics And Telecommunications Research Institute
January 11, 2018 - N°20180013448

A bit interleaver, a bit-interleaved coded modulation (bicm) device and a bit interleaving method are disclosed herein. The bit interleaver includes a first memory, a processor, and a second memory. The first memory stores a low-density parity check (ldpc) codeword having a length of 16200 and a code rate of 4/15. The processor generates an interleaved codeword by interleaving the ldpc codeword ...
Spread spectrum clocking phase error cancellation for analog cdr/pll
Samsung Display Co., Ltd.
January 11, 2018 - N°20180013434

A system and method for correcting for phase errors, in a phase locked loop, resulting from spread spectrum clocking involving a reference clock signal having a frequency modulation. A correction generation circuit generates an offset signal, that when injected after the charge pump of the phase locked loop, causes the voltage controlled oscillator to produce a signal with substantially the ...
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Modulation Patent Applications
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  • 202+ full patent PDF documents of Modulation-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
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Modulated pulse charging
Gbatteries Energy Canada Inc.
January 11, 2018 - N°20180013306

Disclosed is pulse charging of a battery that uses frequency modulation to vary the pulse periods of the charging pulses. Battery measurements can be made to determine the duty cycles of the charging pulses.
Plasma processing apparatus
Tokyo Electron Limited
January 11, 2018 - N°20180012736

At a time point t0 when starting a process, a duty ratio of a high frequency power rf1 to which power modulation is performed is set to be an initial value (about 90%) which allows plasma to be ignited securely under any power modulating conditions. At the substantially same time of starting the process, the duty ratio of the high frequency ...
Data storage based on rank modulation in single-level flash memory
Empire Technology Development Llc
January 11, 2018 - N°20180011785

Technologies are generally described to store data in single-level memory using rank modulation. In some examples, data to be encoded to single-level memory may be represented with a bit ranking for a group of bits. A program vector may then be determined from the bit ranking and partial program characteristics associated with the memory group(s). The memory group(s) ...
Digitally controlled ac protection and attenuation circuit
Dolby Laboratories Licensing Corporation
January 11, 2018 - N°20180011503

A protection and attenuation circuit for sensitive ac loads is described. The circuit provides ac power protection and attenuation utilizing high-efficiency switch-mode techniques to attenuate an ac power signal by incorporating a bidirectional, transistorized switch driven from a pulse width modulation signal, pwm. The circuit monitors characteristics of the ac power signal driving a known load and characteristics of the ...
Electrochromic element
Canon Kabushiki Kaisha
January 11, 2018 - N°20180011386

An electrochromic element, includes: a pair of electrodes (3, 5); and an electrochromic layer (7) disposed between the pair of electrodes (3, 5), the electrochromic element being controlled in transmittance by pulse width modulation, in which: the electrochromic layer (7) contains at least one of two or more kinds of anode electrochromic materials, or two or more kinds of cathode electrochromic materials; and all of one ...
Optical modulators
Electronics And Telecommunications Research Institute
January 11, 2018 - N°20180011384

Disclosed is an optical modulator. An optical modulator comprises a substrate, an upper transparent electrode on the substrate, a partition wall providing a chamber between the substrate and the upper transparent electrode, an optical modulation member provided in the chamber and disposed on the substrate, and an electrolyte filling the chamber and including a first metal in an ionic state. ...
Liquid crystal device
Lg Chem, Ltd.
January 11, 2018 - N°20180011352

The present invention relates to a liquid crystal device, a method of manufacturing the liquid crystal device, and the use of the liquid crystal device. The liquid crystal device according to the present invention has excellent light shielding rate variability characteristics. Such a liquid crystal device can be applied to various optical modulation devices such as a smart window, a ...
Optical modulation element, optical modulator, and manufacturing method of optical modulation element
Fujikura Ltd.
January 11, 2018 - N°20180011347

Provided is an optical modulation element which includes an optical waveguide. The optical waveguide includes: a rib part; a first slab part extending from the first side face of the rib part; aid a second slab part extending from the second side face of the rib part. The optical waveguide includes a first semiconductor region and a second semiconductor region ...
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