СПИСОК патентов США - подгруппа МПК16 H04L27/12


Выделить слова в названиях патентов:


№ п/п Номер патента Название патента

2017

19608849Method, system and apparatus for audio communication modulation mode self-adaptation and electronic signature token
29602257Method and system for centralized distributed transceiver management
39590795Apparatus for transmitting and receiving a signal and method of transmitting and receiving a signal
49571314Systems and methods for joint demodulation and demapping
59571132Radio transmitter system and method
69569648Apparatus and methods for wireless communication using load modulation
79565045System and method for controlling combined radio signals
89565042Ultra-low power transmitter applied in multi-channel frequency shift (FSK) communication
99553653Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals
109548815Apparatus for visible light communications in accordance with UFSOOK and FSK dimming
119548807Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals
129544007Wireless transmission system, wireless communication device, and wireless communication method
139537693Circuit device having two communication interfaces for faster and slower transmission speeds, and transmission module, electronic apparatus, and moving object that have the circuit device
149537692Automation device operable to convert between data byte streams and frequency modulated line signals

2016

159525575Transmission apparatus, reception apparatus and digital radio communication method
169521265Multimode multicarrier modem system and method of communication over the same
179516635Apparatus and method for transmitting and receiving fast feedback information in broadband wireless communication system
189503295Method and apparatus for generating a proof-mass drive signal
199497053Upstream pilot structure in point to multipoint orthogonal frequency division multiplexing communication system
209490922Wireless communication device and wireless communication method
219473338Receiver, transmitter, feedback device, transceiver and signal processing method
229473180Apparatus for converting frequency and RF transmitter comprising same
239468077Lighting system and method for operating a lighting system using power consumption for information transmission
249461869System and method for processing data flows
259461854Extracting carrier signals from modulated signals
269455852Extracting carrier signals from modulated signals
279455851Efficient encoding/decoding algorithm for MTS constrained MFSK communications
289450792OFDM pre-equalizing
299444673Methods and systems for down-converting a signal using a complementary transistor structure
309438389Method and system for centralized or distributed resource management in a distributed transceiver network
319437210Audio signal processing
329419846Integrated wireless module
339418259Tag transmission apparatus and signal transmitting method thereof
349413419Phase-optimized constant envelope transmission (POCET) method, apparatus and system
359401702Binary frequency shift keying with data modulated in digital domain and carrier generated from intermediate frequency
369385816Methods and arrangements for frequency shift communications by undersampling
379379925Transpositional modulation systems and methods
389374261Signal modulator and signal modulating method
399374255Interface circuit for providing high speed digital communication between a master universal asynchronous receiver transmitter (UART) device and a 1-wire, UART compatible sensor
409374141Signal generation method, transmission device, reception method, and reception device
419363124Transmission and reception signal processor and method
429363118Non-contact power supply transmitter system, receiving device, and analog circuit
439357548Apparatus and method for changing frequency deviation
449356813Capacity for narrow-band hybrid modulation
459350591Method and system for down-converting an electromagnetic signal
469350393De-emphasis filtering audio signals in response to composite control signal
479344310Apparatus and method for performing properrizing frequency shift(p-FRESH) vectorizing
489344179Methods and arrangements for communications in low power wireless networks
499338042Separating and extracting modulated signals
509338041Extracting carrier signals from modulated signals
519331878Frequency shift keying transmitter
529319262Methods and systems for down-converting a signal
539319257Multiple-input multiple-output (MIMO) communication system
549319256OOK modulation device and wireless transmitting device including the same
559313078Pulse cancellation crest factor reduction with a low sampling rate
569306792Methods and systems for down-converting a signal
579306647Tracking system with orthogonal polarizations and a retro-directive array
589300507Local oscillation generator and associated communication system and method for local oscillation generation
599288100Method and system for down-converting and electromagnetic signal
609264091Mixer unit
619253002Non-contact power supply transmitter system and receiving device
629253001Pulse signal outputting apparatus
639246737Method and system for down-converting an electromagnetic signal
649246736Method and system for down-converting an electromagnetic signal
659246725Method of generating and receiving packets in low energy critical infrastructure monitoring system
669236981GFDM radio transmission using a pseudo circular preamble

2015

679225562Digital wideband closed loop phase modulator with modulation gain calibration
689219506Wireless transmitter, wireless receiver, wireless communication system, elevator control system, and transformer equipment control system
699214998Methods and arrangements for communications in low power wireless networks
709209958Segmented digital-to-time converter calibration
719203665Resource optimization by implementing multiple instances of a soft modem with a single microcontroller
729197468Communication methods between a tanker aircraft and a receiver aircraft in an in-flight refueling operation
739197282Phase-optimized constant envelope transmission (POCET) method, apparatus and system
749172570Compensation of oscillator frequency pulling
759154348Systems and methods for improving communication sensitivity
769148323Transmitter
779143969Wireless communication device and wireless communication method
789118528Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships
799118527Data during analog audio
809112515Geographic locating remote endpoint monitor device, system, and methodology thereof
819106488Energy efficient highway addressable remote transducer soft modem
829106486Transmission apparatus, reception apparatus and digital radio communication method
839100254Method and system for transmit upsampling via IFFT
849100226Robust sensing of DVB-T/H transmissions in the presence of frequency offsets
859094107Orthogonal frequency chirp multiple accessing systems and methods
869094022Geographic locating remote endpoint monitor device, system, and methodology thereof
879083573Simultaneous transmission of signals, such as orthogonal-frequency-division-multiplexed (OFDM) signals, that include a same frequency
889078047Content reproduction device
899077589Methods and apparatuses for multiple access in a wireless communication network using DCT-OFDM
909071490Apparatus and method for transceiving data
919070062Streamlined apparatus and methods for RFID communication
929055444Wireless communication system, and interference preventing method
939054921Method and apparatus for generating a plurality of modulated signals
949031164Communication using continuous-phase modulated signals
958989310Method, device and system for complex carrier modulation
968976762Radio frequency architecture for spectrum access networks
978964897Transmitting device and transmitting method
988942315Systems, methods, and devices for frequency calibration of transmitters

2014

998908804Phase interpolator
1008908803Near field communications transmitter
1018867665Communication systems and methods supporting multiple modulation techniques
1028860522Phase and amplitude modulator
1038831145Hart transmitter/receiver systems
1048824533Methods, apparatuses, system and related computer program product for cell type detection
1058824529Signal transmission system, transmitting device, receiving device, electronic device, and signal transmission method
1068781025Discrete digital transmitter
1078767876Filter offset compensation
1088693572Method for transmitting signal of orthogonal frequency division multiplexing type, and apparatus applied to the same

2013

1098605822Apparatus and method for transmitting and receiving data
1108594228Apparatus and method of differential IQ frequency up-conversion
1118588336Methods and apparatuses for compensation of I/Q imbalance
1128582690Apparatus and method for determining signal power
1138571135Method, system and apparatus for balanced frequency up-conversion of a baseband signal
1148559553Transmitter apparatus
1158553806Quadrature modulation without carrier
1168494083Transmitting/receiving system and method of processing broadcast signal in transmitting/receiving system
1178494005Technique for adjusting a phase relationship among modulation symbols
1188483316Modulation apparatus, modulation method, demodulation apparatus, and demodulation method
1198477873Apparatus for generating frequency signal
1208437420Multiple output discrete digital transmitter
1218437314Radio frequency architecture for spectrum access networks
1228374283Local oscillator with injection pulling suppression and spurious products filtering

2012

1238304833Memory cell with a channel buried beneath a dielectric layer
1248300730Multiplier-less data processing techniques and related implementations adapted for use in polar modulator
1258300729Methods and apparatus for reducing high-frequency events in polar domain signals
1268284868Modulating device and method, demodulating device and method
1278229030FSK signal modulator for producing a binary FSK signal
1288223886Transmission circuit for bias control of power amplifier
1298223884DTV transmitting system and method of processing DTV signal
1308223880System and method for power line communication
1318218682Digital signal transmitting apparatus
1328198949Digital modulator
1338144809Modulating apparatus, mobile communication system, modulating method, and communication method
1348139690Method and transmitter structure reducing ambiguity by repetition rearrangement in the bit domain
1358139679System and method for controlling modulation
1368139677Method for selecting constellation rotation angles for quasi-orthogonal space-time and space-frequency block coding
1378139673Transmission method of wireless signal and transmitter using the same

2011

1388077803Quarter duty cycle pulse generator for interleaved switching mixer
1398077797Method, system, and apparatus for balanced frequency up-conversion of a baseband signal
1408036304Apparatus and method of differential IQ frequency up-conversion
1418018295Modulation device and pulse wave generation device
1428005161Method, hardware product, and computer program product for performing high data rate wireless transmission
1437953182Quadrature modulation without carrier
1447928813Transient noise control for digital RF modulation
14579168088PSK modulator
1467912111Dynamic switching of carrier tracking loops without loss of tracking information
1477885353Spread spectrum block control apparatus and spread spectrum clock generating apparatus

2010

1487860187FSK signal modulator for producing a binary FSK signal
1497826403Wireless communication control apparatus and wireless communication method to reduce inter-channel interference in narrow-band communications
1507822134Digital broadcasting system and method of processing data
1517809082GMSK/EDGE modulator with switching transition smoothing
1527804376Continuous phase modulation processing for wireless networks
1537795986Multi-format all-digital modulator and method
1547773696QBL-MSK mapping for time of arrival (TOA) applications
1557773688Method, system, and apparatus for balanced frequency up-conversion, including circuitry to directly couple the outputs of multiple transistors
1567742545Method and apparatus for generating corrected quadrature phase signal pairs in a communication device
1577741926Frequency synthesizer having improved frequency hopping
1587729440Frequency modulator for digital transmissions
1597720176Edge transceiver architecture and related methods
1607693230Apparatus and method of differential IQ frequency up-conversion
1617675995Apparatus and method for conditioning a modulated signal in a communications device
1627667551Frequency shift keying modulator having sigma-delta modulated phase rotator
1637657238Method and apparatus for modulating a radio signal using digital amplitude and phase control signals
1647643574Transmitting apparatus and method in transmit diversity system

2009

1657564923Frequency offset and method of offsetting
1667558335Communication system modulating/demodulating data using antenna patterns and associated methods
1677551904Apparatus and method for high efficiency power amplification for a mobile communication system
1687542520Apparatus and method for implementing a low complexity digital modulator
1697532682Quadrature modulation without carrier
1707515650Quadrature modulation compensation
1717495520Modulation device using frequency-shift keying
1727482883Gain normalization of a digitally controlled oscillator in an all digital phase locked loop based transmitter

2008

1737440515System and method for controlling modulation
1747421039Method and system employing antenna arrays
1757383025Method for processing RF signals for receiving and transmission
1767376114Code multiplexing transmitting apparatus
1777352795System and method for communicating data using constant amplitude waveform with hybrid orthogonal and MSK or GMSK modulation
1787349488Frequency shift keying signaling for integrated circuits
1797333565Semiconductor integrated circuit for communication
1807317765Signal observation system

2007

1817302011Quadrature frequency doubling system
1827280608Real time dynamic correlator
1837260156Modulation identification device
1847249008Arrangement for runtime compensation of a runtime difference arising through emulation of a high frequency signal
1857248639Method for reducing the out-of-band emission in AM transmitters for digital transmission
1867242726Parallel concatenated code with soft-in soft-out interactive turbo decoder
1877227910Communication device with configurable sigma-delta modulator
1887218684Method and system for code reuse and capacity enhancement using null steering
1897212581Up / down conversion circuitry for radio transceiver
1907206357System and method for an improved quadrature upconverter for I/Q modulation using intermediate frequency carriers
1917206356Wireless transmitter with reduced power consumption
1927200184Data dithering apparatus and method
1937187716Vehicle mounted DSRC apparatus
1947177368Data transfer using frequency notching of radio-frequency signals
1957167527System and method for multi-symbol interfacing
1967164729Differential transmitter diversity technique for wireless communications

2006

1977142613Methods, systems and devices for generating pulse shapes
1987136427Method and apparatus for adaptive modulation using space-time block code matrix
1997136426Communication system including a wire network linked with another network via radio waves
2007133462Method and apparatus for determining modulation scheme for retransmission in a communication system
2017133461Stream transmission method and device
2027129802Method for estimating a carrier leak, an estimator and modulation system provided with automatic control of a carrier using said system
2037123666Gaussian minimum shift key transmitter with feedforward phase compensation
2047123665Method and apparatus for measuring phase error of a modulated signal
2057116725Time-domain transmit and receive processing with channel eigen-mode decomposition for MIMO systems
2067103110Dual phase pulse modulation encoder circuit
2077099402Transmitter system and method for a wireless communication system
2087099401Discrete multitone interleaver
2097095801Phase adjustable polyphase filters
2107092453Automatic method for power control and phy mode switching control in adaptive phy mode systems
2117088786Process for the transmission of analog and digital information
2127072418Method and apparatus for performing Nyquist folding frequency modulation
2137072417LDPC encoder and method thereof
2147072416Transmitting/receiving device and transmitting/receiving method
2157072414Gaussian minimum shift keying (GMSK) precoding communication method
2167065157GMSK modulation techniques
2177065156Hopped delay diversity for multiple antenna transmission
2187065153High speed monolithic microwave integrated circuit (MMIC) quadrature phase shift keying (QPSK) and quadrature amplitude modulation (QAM) modulators
2197061989Fully digital transmitter including a digital band-pass sigma-delta modulator
2207054383Method for the determination of the average long-term power of digital modulated signal
2217054381Apparatus for TFCI mapping in wireless communication mobile station and method thereof
2227042957Method and communication system for transmitting information with the aid of a multicarrier method
2237039122Method and apparatus for generating a composite signal
2247039119Method and apparatus for combining transponders on multiple satellites into virtual channels
2257012968Apparatus for detecting and adjusting transmission power of CDMA system
2267003050Radio transmitter, radio receiver, and multilevel modulation communication system
2277003047Tri-state integer cycle modulation

2005

2286950478Transmitter and method having a low sampling frequency for digital to analog conversion
2296925130Method and system for a reduced emissions direct drive transmitter for unshielded twisted pair (UTP) applications
2306885256Input circuit for an HF-transmitting component

2004

2316816559FSK modulation transceiver
2326774738Trimming method for a transceiver using two-point modulation
2336724851FIR chip for use in a wireless subscriber unit
2346714983Modular, portable data processing terminal for use in a communication network

2003

2356654378Transaction control system including portable data terminal and mobile customer service station
2366614768Enhanced mobility and address resolution in a wireless premises based network
2376597208Digital synthesizer with coherent division
2386563884Method and apparatus for seamlessly changing the radio interface data rate in circuit switched transmission
2396546060Direct modulating FSK transmitter for MCA

2002

2406452461High-speed power-efficient coded M-ary FSK modulator
2416449317Digital synthesizer
2426420940Transmitter with a phase modulator and a phase locked loop
2436418174Frequency shift key modulator
2446396431Precision microwave/millimeter wave modulated signal source
2456392499Frequency shift modulation circuit
2466389059Multi-band, multi-mode spread-spectrum communication system
2476345173Frequency modulator

2001

2486288618Logic-based architecture for FSK modulation and demodulation
2496282246Frequency modulation method and modem unit employing such method
2506275539System and method for modulating a frequency signal
2516265948Image rejection in logic-based architecture for FSK modulation and demodulation
2526236689Device comprising a phase-locked loop, electronic apparatus comprising such a device and method of modulating the frequency of an oscillator
2536185264Apparatus and method for frequency shift keying
2546172579Three point modulated phase locked loop frequency synthesis system and method
2556169769Method and apparatus for bias suppression in a VCO based FM transmission system

2000

2566163229Frequency generator for generating two independent FSK signals
2576078226Integrated circuit implementation of a frequency shift keying oscillator
2586049257Method and arrangement for frequency modulation of a high-frequency signal

1999

2596008703Digital compensation for wideband modulation of a phase locked loop frequency synthesizer
2606002304Data modulation system using digital signal processing
2615991605Method and circuit for creating a modulated signal in a transceiver
2625946356Method and apparatus for data transmission within a broad-band communications system
2635940457Millimeter-wave (MMW) synthesizer with FSK modulation transmitter
2645936472Oscillating circuit with limitation function of oscillation frequency
2655933039Programmable delay line
2665912926Method of and apparatus for controlling modulation of digital signals in frequency modulated transmissions
2675905413Angular modulator with a phase variation divided and integrated
2685889783Data communication
2695889443Frequency synthesizing circuit using a phase-locked loop
2705887020Multi-band, multi-mode spread-spectrum communication system
2715878335Composite direct digital synthesizer
2725878084Method and apparatus for recovering the independent bit streams from each of two co-channel frequency modulated carriers

1998

2735818880MMIC telemetry transmitter
2745796772Multi-band, multi-mode spread-spectrum communication system
2755793261Saw stabilized FSK oscillator circuit
2765790587Multi-band, multi-mode spread-spectrum communication system
2775790555Signal multiplexer and multiplexing method
2785790536Hierarchical communication system providing intelligent data, program and processing migration
2795761259Apparatus, method and article of manufacture for carrier frequency compensation in a FM radio
2805757245Circuit for 2-level/4-level frequency shift key modulation
2815754587Method and apparatus for bias suppression in a VCO based FM transmission system
2825751114Apparatus, method and article of manufacture for carrier frequency compensation in a FM radio transmitter
2835726984Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones
2845712878Digital FSK modulator
2855706310Wide bandwidth loop in a frequency shift keying (FSK) system
2865705945Synthesizable architecture for all-digital minimal jitter frequency synthesizer

1997

2875694414Multi-band, multi-mode spread-spectrum communication system
2885680633Modular, portable data processing terminal for use in a radio frequency communication network
2895679943Hand-held terminal with display screens, interactive screens, magnetic credit card readers, scanners, printers and handlers
2905657317Hierarchical communication system using premises, peripheral and vehicular local area networking
2915650739Programmable delay lines
2925644601Method and apparatus for bias suppression in a VCO based FM transmission system
2935638405Dual-mode baseband controller for radio-frequency interfaces relating to digital cordless telephones
2945638404Pre-compensated frequency modulation (PFM)
2955633894Circuit for modulating a sinusoidal waveform signal using digital pulse shaping
2965617063Matched filters for processing related signal components
2975612650Transmitting device for a frequency modulated digital transmission signal
2985608761Method, device, and radio for compensating for modulator frequency drift while allowing for data transmission

1996

2995579342Pre-compensated frequency modulation (PFM)
3005567925Hand-held data capture system with interchangeable modules
3015555276Method of and apparatus for controlling modulation of digital signals in frequency-modulated transmissions
3025550865Frequency modulator for data transceiver
3035533056Data encoder/decoder for data transceiver
3045532654FSK modulator using saw resonator with switchable capacitors
3055521947Phase detection reset in phase locked loops used for direct VCO modulation
3065517433Parallel digital data communications
3075515364Radio frequency telecommunications transceiver
3085513219Apparatus and method for transmitting information with a subminimally modulated transmission signal
3095493583Wireless data transceiver
3105487183Method and apparatus for a data transmitter
3115485129Method and apparatus for digital modulation using pulse deletion

1995

3125471187Data signal comparation with self-adjusting threshold
3135467373Digital frequency and phase modulator for radio transmission
3145453714Binary FM demodulator with self-adjusting resonant operating frequency according to demodulated binary output signal duty cycle
3155450086Self-tuning receiver/decoder for frequency shift keying RF data transmission
3165444737Wireless data transceiver
3175444415Modulation and demodulation of plural channels using analog and digital components
3185436599Method and apparatus for digital modulation using pulse addition
3195434888FSK modulating apparatus
3205410315Group-addressable transponder arrangement

1994

3215367537Saw-based FSK modulating circuit
3225365548Digital FSK transmitter
3235365546Method of and apparatus for controlling modulation of digital signals in frequency-modulated transmissions
3245361046Modulator having fractional sample/symbol time
3255331136Hand-held data capture system with interchangeable modules
3265329258Multilevel FSK modulator having phase locked loop with controlled transient response
3275323125Frequency agile method for transmitting multi-level data
3285313053Laser scanner module having integral interfacing with hand-held data capture terminal
3295311556Digital FSK transmitter receiver and method of operating same
3305303412Composite direct digital synthesizer
3315291516Dual mode transmitter and receiver

1993

3325254958Phase-lock-loop circuit and method for compensating, data bias in the same
3335245631Process and device for transmitting numerical data
3345241566Full duplex FSK system
3355227741Variable speed asynchronous modem
3365218187Hand-held data capture system with interchangeable modules
3375205294Apparatus and methodology for digital telemetry of biomedical signals
3385204642Frequency controlled recursive oscillator having sinusoidal output
3395189381Apparatus for generating a sinusoidal output signal

1992

3405157358High speed frequency agile FSK modulator
3415155446Digital FSK demodulator
3425132829Tone spacing and power level monitor for FSK lightwave systems
3435130676Phase locked loop frequency synthesizer with DC data modulation capability
3445113278Communication system and apparatus using chip signals
3455105444System for high speed data tranmission
3465084681Digital synthesizer with phase memory

1991

3475073331Modulation method for use in a semiconductor laser and an apparatus therefor
3485053728Phase locked loop frequency modulator using data modulated digital synthesizer as reference
3495052020Method of and apparatus for controlling modulation of digital signals in frequency-modulated transmissions
3505023949Apparatus for generating an FSK-modulated optical signal having two different polarization conditions for an optical transmission system having an optical two-filter FSK super-heterodyne receiver
3515016260Modulator and transmitter
3525016259Low jitter DDFS FSK modulator
3535010585Digital data and analog radio frequency transmitter

1989

3544878035Hybrid frequency shift keying modulator and method
3554871987FSK or am modulator with digital waveform shaping
3564866771Signaling system

1988

3574761751Method and apparatus for generating digital signals representing periodic samples of a sine wave
3584740995Variable frequency sinusoidal signal generator, in particular for a modem
3594724534Method and apparatus for transmitting binary data signals by frequency shift keying

1987

3604695931Voltage/frequency converter with frequency drift compensation loop
3614689803Antenna tuning system and method
3624686490Digital data modulator and digital-to-analog converter
3634682344Rf fsk transmitter
3644670888Frequency modulated modem transmitter
3654648099Digital minimum shift keyed modulator

1986

3664631694Sine wave synthesizer
3674618966Frequency shift key modulator
3684616364Digital hopped frequency, time diversity system
3694609886PLL modulation circuit
3704573165Transmission circuit for modems employing frequency shift keying
3714567603FSK Modulator and method for NRZ data transmission utilizing PLL frequency synthesis

1985

3724555792Transmitter for transmitting an FSK-modulated signal
3734550292Automatic oscillator frequency control system
3744543541FSK modulation using switched outputs of two oscillators
3754540958Zero if frequency-modulator
3764523158Clock regenerator using two on-off oscillators
3774500857Frequency modulated phase locked loop
3784492936Fractional-division frequency synthesizer for digital angle-modulation

1984

3794481489Binary signal modulating circuitry for frequency modulated transmitters
3804471328Variable frequency reference source responsive to digital data
3814441193Frequency-encoding circuit for reducing distortion

1983

3824411005Data circuit for frequency modulating an oscillator
3834389622System for preventing transient induced errors in phase locked loop
3844384356Wide band modem for high speed data transmission
3854370747Data transmission
3864368439Frequency shift keying system

1982

3874346448Generation of electric signals having approximately sinusoidal waveforms
3884330687Audio and full duplex digital data carrier system
3894323862Frequency shift modulator with circuitry for simple change-over between high and low channels
3904320361Amplitude and frequency modulators using a switchable component controlled by data signals
3914317209FSK Tone generator circuit

1981

3924308508Phase locked loop frequency modulator
3934302629Digital data transmission system
3944259648One-bit frequency-shift-keyed modulator

1980

3954199761Multichannel radio communication system for automated power line distribution networks
3964188583Sampling method and apparatuses

1979

3974170764Amplitude and frequency modulation system
3984160121Frequency shift keyed tone generator
3994142245Multi-frequency digital wave synthesizer for providing analog output signals

1978

4004090138FSK Transmitter having frequency band-limitation

1977

4014039952Digital frequency shift-keyed transmitter
4024015220Frequency shift keyed toned generator

1976

4033997855Digital FSK time rate of change modulator
4043991389Digital frequency shift key modulator
4053987374Multi-line, multi-mode modulator using bandwidth reduction for digital FSK and DPSK modulation
4063967202Data transmission system including an RF transponder for generating a broad spectrum of intelligence bearing sidebands
4073962653Arrangement for simultaneously producing signals having an increasing frequency and signals having a decreasing frequency
4083958191Multi-line, multi-mode modulator using bandwidth reduction for digital FSK and DPSK modulation
4093932704Coherent digital frequency shift keying system
© 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017