СПИСОК патентов США - подгруппа МПК16 H04J1/05


Выделить слова в названиях патентов:


№ п/п Номер патента Название патента

2016

19515690Receiver with multi-spectrum parallel amplification

2015

29167579Method and transmitter/receiver for data transmission with flexible exploitation of time and frequency diversity
39136933Demultiplexing apparatus, multiplexing apparatus, and relay apparatus

2006

47046694In-band on-channel digital broadcasting method and system

2005

56894987Method and apparatus for integrating video, voice and computer data traffic in a single, conferencing system using existing telephone and CATV connections

2004

66775304Multi-channel implementation approach for superconducting digital router/signal processor
76714529Variable transmission rate digital modem with multi-rate filter bank

2003

86546061Signal transformation method and apparatus

2002

96493358Apparatus and method for demultiplexing a frequency division multiplexed input signal and polyphase digital filter network therefor
106487221Digital device and method for filtering, decimation and transposition into distributed baseband and corresponding digital modulator
116480528Automatic gain control for improved decoding of multi-carrier signal
126452986Detector tolerant of frequency misalignment
136356569Digital channelizer with arbitrary output sampling frequency
146351451Digital multi-channel demultiplexer/multiplexer (MCD/M) architecture

2001

156304301Method for preparing a band pass signal
166215828Signal transformation method and apparatus

2000

176134281Method and apparatus for calibration of a signal processing system utilizing digital down converters
186118794Digital signal processing apparatus for frequency demultiplexing or multiplexing
196092093Multiplexer device for frequency bands
206091704Digital multi-channel demultiplexer/multiplexer (MCD/M) architecture
216064664Base-band interleaver for code division multiple access mobile telecommunication system
226061406Multichannel time shared demodulator and method

1999

235949767Reception unit for receiving a frequency division multi-accessed signal based on plural spread signals and method for receiving the same
245889766Transmission/reception method based on frequency division multiple access having changeable communication channel bandwidths and communication apparatus employing the method
255867479Digital multi-channel demultiplexer/multiplex (MCD/M architecture)

1998

265848097Transceiver apparatus employing wideband FFT channelizer and inverse FFT combiner for a multichannel communication network
275757794Digital down converter and method

1997

285699363Digital signal processing apparatus
295659546Wideband frequency signal digitizer and method
305638401Method and apparatus for generating plural quadrature modulated carriers
315633815Formatter
325617344Fixed coefficient high decimation filter
335610946Radio communication apparatus
345606575FFT-based channelizer and combiner employing residue-adder-implemented phase advance
355604746Digital data receiver
365602847Segregated spectrum RF downconverter for digitization systems

1996

375587939Half-band filter for a cellular group demultiplexer
385583887Transmission signal processing apparatus
395570392Phase generator
405537435Transceiver apparatus employing wideband FFT channelizer with output sample timing adjustment and inverse FFT combiner for multichannel communication network
415535240Transceiver apparatus employing wideband FFT channelizer and inverse FFT combiner for multichannel communication network
425530471Radio and television distribution system
435493581Digital down converter and method

1995

445461612Drop-and-add multiplexer for converting and processing a frequency multiplex signal

1994

455299192Digital filter-type frequency demultiplexing device
465293382Method for FDMA signal multiplexing and demultiplexing
475293329Apparatus for and method of digital signal processing
485278826Method and apparatus for digital audio broadcasting and reception

1993

495251218Efficient digital frequency division multiplexed signal receiver
505214641Mixed analog digital secondary channel FSK modem

1992

515121409Multichannel satellite communication and control system

1991

525058107Efficient digital frequency division multiplexed signal receiver

1989

534884265Digital demodulator for frequency-division-multiplexed signals
544839894Contiguous channel multiplexer/demultiplexer

1988

554789980Switching techniques for FDM communication systems
564785447FDM demultiplexer using oversampled digital filters

1986

574578790System and equipment for single side band multiplexing through digital processing

1985

584525844Method for interchanging n partial bands

1984

594438511Packetized ensemble modem

1983

604412325Equipment for single band multiplexing through digital processing

1982

614312062System for digitally converting baseband channel signals into a frequency-division multiplex signal and vice versa

1981

624304000Device for supervising a transmultiplexer

1978

634131764Arrangement for converting discrete signals into a discrete single-sideband frequency division-multiplex-signal and vice versa
644107470Digital SSB-FDM communication system derived from a complex band-pass digital filter bank and by a filter breakdown process
654101738Arrangement for processing auxiliary signals in a frequency multiplex transmission system
664075429Transmultiplexer

1977

674001510Digital modulator and demodulator system for FDM telephony

1976

683971922Circuit arrangement for digitally processing a given number of channel signals
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Дата формирования списка: 03.04.2017