СПИСОК патентов США - подгруппа МПК16 H04L27/16


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№ п/п Номер патента Название патента

2017

19596111Methods and apparatus for multi-channel modem and preamble detection

2016

29407490Method of processing received digitized signals and mobile radio communication terminal device
39407204Method for processing a frequency-modulated analog signal and corresponding device
49397821Method, apparatus, mobile communication terminal, computer program and storage medium for adjusting frequency error of terminal
59313018Circuit and method for clock recovery of quadrature amplitude modulated waveforms
69252998Radio to detect and compensate for frequency misalignment

2015

79203667Circuit and method for removing frequency offset, and communication apparatus
89197469System and method for frequency offset estimation for signals containing multi-user symbols
99083597Method and receiver in a wireless communication system
109031142Digital up converter

2014

118767881Signal processing apparatus, signal processing method, and program

2013

128605826Multi-gigabit millimeter wave receiver system and demodulator system
138576952Configurable all-digital coherent demodulator system for spread spectrum applications

2012

148204161Configurable all-digital coherent demodulator system for spread spectrum applications

2011

158068563Systems and methods for frequency offset correction in a digital radio broadcast receiver

2010

167796709Method and system for signal quality measurement based on mean phase error magnitude of a signal
177688917Configurable all-digital coherent demodulator system for spread spectrum applications

2009

187580483Trimming of local oscillation in an integrated circuit radio
197570716Data carrier provided with at least two decoding stages
207486748Method and system for signal quality measurement based on mean phase error magnitude of a signal

2008

217436907Analog compression of GPS C/A signal to audio bandwidth
227421042Carrier tracking loop lock detector
237412009Apparatus and method for automatic performance control in a digital radio
247406137Carrier recovery system and method thereof
257397868Direct conversion RF transceiver for wireless communications
267394874Up/down conversion circuitry for radio transceiver
277342981Digital receiver having adaptive carrier recovery circuit
287342980Estimating carrier phase in communication systems
297333792Multi-carrier receiving method and apparatus
307324612Carrier tracking circuit and method including dual numerically controlled oscillators and feedforward phase correction coefficient

2007

317239674Method of differential-phase/absolute-amplitude QAM
327221718I/Q demodulator and I/Q signal sampling method thereof
337212586Direct conversion RF transceiver for wireless communications
347203244COFDM demodulator with an optimal FFT analysis window positioning
357194044Up/down conversion circuitry for radio transceiver
367190742Differential receiver circuit with electronic dispersion compensation
377184494Regenerated data signal generation apparatus

2006

387139333Frequency error estimating receiver, and frequency error estimating method
397133470Receiver with offset compensation
407116729Trimming of local oscillation in an integrated circuit radio
417116728Quadrature alignment in communications receivers using dual delay lines
427079597Method and circuit for acquisition
437039132Differential detection of GFSK signal using decision feedback and preamble for carrier, clock and frame synchronization
447039129Demodulator structure utilizing DC switches
457020220Digital estimation and correction of I/Q mismatch in direct conversion receivers
467010061Configurable all-digital coherent demodulator system for spread spectrum applications
476985540AM demodulator

2005

486934524Fine-stage automatic frequency compensation in post-detection short-range wireless applications
496891905Apparatus and method for FSK demodulation with integrated time and frequency tracking
506853310Tri-mode medical telemetry antenna system

2004

516816559FSK modulation transceiver
526703896Method and demodulator for FSK demodulation, and receiver including such a demodulator device

2003

536603821Wireless communication terminal capable of correctly specifying position of burst and having small frequency error of recovered carrier
546597748Method and apparatus for receiving a signal
556594328Method and apparatus for facilitating an estimation of a carrier frequency error in a receiver of a wireless communication system
566556630Dual band telemetry system

2001

576188275Demodulator tuned by use of a test signal

2000

586081560Production of a frequency control signal in an FSK receiver
596078578Communication apparatus

1998

605742641Apparatus, method and article of manufacture for the dynamic compensation of FM deviation in a FM radio receiver
615717721Demodulation correcting circuit for FSK receiver

1997

625689820Vehicle location unit

1994

635281079Automatic manipulator with reservoir and methods

1993

645208835Automatic frequency control system and method for frequency-shift-key data transmission systems

1992

655091921Direct conversion receiver with dithering local carrier frequency for detecting transmitted carrier frequency

1989

664847872Method and arrangement for synchronizing a receiver in digital transmission systems

1987

674682117Quadrature demodulation data receiver with phase error correction
684672636AFC circuit for direct modulation FM data receivers
694669094FSK data receiver
704649551Decoder for a frequency-keyed signal, particularly an FSK-video text signal

1985

714520493Adaptive recursive frequency offset tracking system
724518922Decision-directed, automatic frequency control technique for non-coherently demodulated M-ARY frequency shift keying

1984

734488120Frequency shift keying demodulator using a phase locked loop and voltage comparator

1978

744103244FSK demodulator
754072905Wide acquisition range MSK demodulator input circuit

1976

763939473Process for correcting signal distortions
© 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017