СПИСОК патентов США - подгруппа МПК16 H04B1/50


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2017

19595994Mode-based antenna tuning
29577700Radio with asymmetrical directional antenna sub-arrays
39559729Same-band combiner using dual-bandpass channel filters

2016

49525503Reconfigurable multi-mode transceiver
59525462Data recovery of data symbols
69520858Communication device
79515696Method for half-duplex FDD operation in LTE FDD network
89509364Integrated antenna unit with field replaceable frequency specific devices
99485009Antenna system with high dynamic range amplifier for receive antenna elements
109479322Wireless full-duplex system and method using sideband test signals
119461682Method and system for filtering out adjacent frequency band interference
129432112Mobile communication device and method for adaptive RF front-end tuning
139420569Method and apparatus for transmitting control information
149402280Methods and apparatus for receiver only tune away in multi-SIM devices
159391667Cancellation of spurious responses from local oscillator cross-coupling
169379760Radio frequency communication
179374184Controlling of code block to physical layer mapping
189374126Multiband on ground antenna with a dual radiator arrangement
199374122Integrated on-chip duplexer for simultaneous wireless transmission
209369156Multi-band multi-path receiving and transmitting device and method, and base station system
219356644Wireless circuit and frequency pair determination method
229350411Full duplex backhaul radio with MIMO antenna array
239337884Medium access control method in single channel wireless network environment
249313012Apparatus and methods for full duplex communication
259252832High-frequency circuit and communication device
269252739Module substrate and module
279236897Software configurable distributed antenna system and method for bandwidth compression and transport of signals in noncontiguous frequency blocks

2015

289209748Frequency synthesis device and method
299185727Access point for wireless LAN and medium access control method thereof
309184782High-frequency module and communication device
319178558Backhaul radio with horizontally or vertically arranged receive antenna arrays
329166765High-frequency circuit module
339148178Multi-band multi-path receiving and transmitting device and method, and base station system
349143186Transceiver and communication device
359130604Multi-band multi-path receiving and transmitting device and method, and base station system
369124311Multi-band multi-path receiving and transmitting device and method, and base station system
379113411Adaptive transceiver for utilizing white space spectrum in mobile application

2014

388879437Backward compatible LTE system design for asymmetric uplink/downlink spectrum
398872601Circuit module including a duplexer mounted on a circuit substrate having a specified second ground path
408872600High frequency circuit module with a filter disposed in a core layer of a circuit substrate
418830010High frequency circuit module with a filter in a core layer of a circuit substrate
428786384Self-matched band reject filter
438723621Elastic wave device having pairs of filters that face each other
448723619Filter arrangement having first and second duplex filters
458625565Millimeter-wave communication station and method for multiple-access beamforming in a millimeter-wave communication network

2013

468611317Simultaneously maintaining bluetooth and 802.11 connections to increase data throughput
478552816Multiband simultaneous transmission and reception front end architecture
488520494Precoding method for reducing uplink PAPR and apparatus thereof
498509711Wireless terminals, systems, and methods using interlaced diplexers
508421554Filtering device for filtering RF signals and method for filtering RF signals
518416034Signal splitting device and wireless communication device using the same

2012

528339216Duplexer and method for separating a transmit signal and a receive signal
538264298Filtering device and a method for filtering a signal
548174339Duplexer, substrate for duplexer, and electronic apparatus
558150353Masthead amplifier unit

2011

567973608Phase locked loop, semiconductor device, and wireless tag

2010

577848711Radio communication apparatus and radio communication method
587778611Radio communication apparatus and radio communication method
597688158Digitally tuned, integrated baluns with enhanced linearity for multi-band radio applications

2009

607536152Information access system and active-type contactless information storage device

2006

617102446Phase lock loop with coarse control loop having frequency lock detector and device including same

2005

626961596Modular RF antenna and filter system for dual radio WLAN access points
636959206Dual-duplexed, tower-top front-end for a radio transceiver system
646950634Transceiver circuit arrangement and method
656950410Frequency multiplexer
666928298Mobile communication device and high-frequency composite unit used in the same
676928276Signal reception circuit and communication device having the same
686922402Mutual frequency locking across a link
696917823Cellular telephone
706915112Active cancellation tuning to reduce a wireless coupled transmit signal
716912406Apparatus for multiple band communication
726912377Leak power ratio detection circuit, mobile communication terminal, and control circuit for mobile communication terminal
736912376Mobile phone transceiver
746911942Antenna apparatus and communication apparatus using the same
756907093Method and apparatus for relayed communication using band-pass signals for self-interference cancellation
766892056Subscriber station with duplex antenna amplifier
776889035Cable-less interconnect architecture for effecting blind coupling of diplexer to radio transceiver
786885260Filter using film bulk acoustic resonator and transmission/reception switch
796870442High-frequency device
806861924Duplexer with improved transmission/receiving band separation
816853835Asymmetric wireless communication system using two different radio technologies
826850748RF front end with reduced carrier leakage
836847269High-frequency module and wireless communication device
846842629Arrangement in a radio system

2004

856829314Adapter for near end crosstalk and echo canceller for bi-directional digital communications
866826234Radio communication apparatus and radio communication method
876823178High-speed point-to-point modem-less microwave radio frequency link using direct frequency modulation
886819943Spatial spectral efficiency for wireless rings and network of links in millimeter wave (MMW) communication systems
896810239Automated transmitter combiner monitoring system and method of using same
906795690Full-duplex transceiver with distributed duplexing function
916785324Transceiver including reactive termination for enhanced cross-modulation performance and related methods
926766149Mobile radio terminal and surface acoustic wave antenna duplexer
936759925Radio-frequency hybrid switch module
946756864Branching filter and communication apparatus
956748197Single antenna for receipt of signals from multiple communications systems
966745018Active cancellation of a wireless coupled transmit signal
976738147Autostigmatic far field simulator
986731101Modulation semiconductor integrated circuit device and testing method for oscillation circuit
996724278Duplex filtering
1006721544Duplexer structure for coupling a transmitter and a receiver to a common antenna
1016721543Wireless terminal device
1026717980Reduction of transmitter induced cross modulation in a receiver
1036714098SAW antenna duplexer having a phase shifter with less than 50 ohm characteristic impedance
1046704349Method and apparatus for canceling a transmit signal spectrum in a receiver bandwidth
1056697603Digital repeater
1066693499Compact lumped element ring balun layout
1076683679Optical flow monitor

2003

1086600385Front end module for mobile communications apparatus
1096591086Enhanced time division duplexing (TDD) transceiver circuitry
1106590475Filter, antenna duplexer, and communication apparatus incorporating the same
1116567649Method and apparatus for transmitter noise cancellation in an RF communications system
1126567648System combining radio frequency transmitter and receiver using circulator and method for canceling transmission signal thereof
1136567647Low noise radio frequency transceivers including circulators
1146559759Duplex communication apparatus for motor vehicle
1156556814Memory-based amplifier load adjust system
1166553210Single antenna for receipt of signals from multiple communications systems
1176539235Channel leakage power monitor apparatus and method
1186539204Analog active cancellation of a wireless coupled transmit signal
1196535748Wireless communication transceiver having a dual mode of operation
1206526264Wideband multi-protocol wireless radio transceiver system
1216525624Band-switchable surface acoustic wave antenna duplexer and mobile radio terminal
1226516183Method and apparatus for disturbance compensation of a direct conversion receiver in a full duplex transceiver
1236516023System and method of downconversion where the received signal is downconverted
1246512428Device for the simultaneous reception/transmission of signals comprising a low-noise amplifier
1256510308RECEPTION OF WEAK RADIO FREQUENCY SIGNAL IN THE PRESENCE OF A STRONG INTERNAL RADIO FREQUENCY INTERFERER--DEVICE AND METHOD FOR COMPENSATION OF AN INTERNAL INTERFERING SIGNAL BY A SUPERPOSITION METHOD
1266507728Radio transceiver and a method of preventing transmission spurious response
1276507651Hybrid amplifier

2002

1286473596Close proximity transmitter interference limiting
1296472952Antenna duplexer circuit with a phase shifter on the receive side
1306470173Filter unit comprising a wideband bandpass filter and one band-elimination filter
1316445262Composite high frequency component and mobile communication apparatus incorporating the same
1326434122Filtering method to allow FDD and TDD operation in PCS transreceivers
1336426682Transceiver unit for a first and second transmitting/receiving frequency
1346408193Cellular telephone
1356393262Difference frequency impedance transformation circuits and methods for providing same in power amplifier systems
1366393259Amplifier circuit and transceiver
1376380823Antenna duplexer with receiving, transmitting, and antenna terminal groups separated planarly
1386373350Branching filter with saw-resonator transmitting and receiving filters in separate packages and receiving-branch lines in both packages
1396373349Reconfigurable diplexer for communications applications
1406366564Diplexer duplexer and two-channel mobile communications equipment
1416356536Protective and decoupling shunt switch at LNA input for TDMA/TDD transceivers
1426351628Antenna switching circuit

2001

1436329949Transceiver stacked assembly
1446313713Matched pair circulator antenna isolation circuit
1456311045Apparatus for signal isolation in a radio transmitter-receiver
1466288620Antenna-duplexer and communication apparatus
1476259900Radio frequency signal folding-back transmitting/receiving circuit and radio transmitting/receiving apparatus for use therewith
1486256511Dual-mode radio architecture
1496256480Broadcast coupler
1506249670Signal combining device and method for radio communication
1516249195Dielectric filter, dielectric duplexer, and transceiver having circular and polygonal electrode openings
1526243564Dielectric filter having coupling windows between resonators, and transceiver using the dielectric filter
1536212367Mobile telephone apparatus with tunable filter tuned to the transmit band
1546212172Filtering method to allow FDD and TDD operation in PCS transreceivers
1556184759Dielectric filter having inductive coupling windows between resonators, and transceiver using the dielectric filter
1566178312Mechanism for automatically tuning transceiver frequency synthesizer to frequency of transmit/receiver filter
1576177850Two frequency filter comprising an inductance device, a resonator, and a switching device
1586169912RF front-end with signal cancellation using receiver signal to eliminate duplexer for a cordless phone

2000

1596141539Isolation improvement circuit for a dual-polarization antenna
1606130897Time division multiple access FDD/TDD dual mode radio and a time division multiple access TDD dual band system
1616128474Test circuit of base station for mobile radio communication system
1626122489Dielectric filter having capacitive coupling windows between resonators, and transceiver using the dielectric filter
1636122488Method and apparatus for increasing an output impedance of a transmit amplifier during receive mode of a two-way communication unit
1646115592Filter device and dual-band radio system in which the filter device is used
1656115585Antenna switching circuits for radio telephones
1666112059Off-channel leakage power monitor apparatus and method
1676108313Transmitter/receiver for use in multichannel time division duplexing system providing isolation between transmission channels and reception channels
1686087998Duplex antenna circuit assembly selectively operational in a transmit or a receive mode
1696075975Dielectric filter having pairs of capacitive coupling windows between resonators and transceiver using the dielectric filter
1706067448System and method for isolating radio frequency signals
1716060960Duplexer comprising a SAW filter disposed on a multi-layer substrate
1726041219Integrated orthogonal mode transducer/filter design for microwave frequency-domain
1736026281Dielectric filter having coupling windows between resonators, and transceiver using the dielectric filter
1746023609Device for separating transmitting waves and receiving waves and a radio communication equipment provided with the device
1756014551Arrangement for transmitting and receiving radio frequency signal at two frequency bands
1766011959Combiner circuit for dual band voltage controlled oscillators
1776011952Self-interference cancellation for relayed communication networks

1999

1786005455Integrated filter
1795999824Radio signal processing apparatus of portable telephone for sharing digital/analog compatible mode and personal communication service mode
1805974301Frequency cancelling system and method
1815963854Antenna amplifier
1825963587Wideband transceiver
1835945882Synchronizing method of distributed reference oscillation systems and reference oscillation generation apparatus
1845915212System and method for achieving extended radio coverage and additional capacity using extended frequency bands
1855912798Dielectric ceramic filter
1865910731Front end interface circuit and method of tuning the same
1875881054Frequency division duplex transmitter which attenuates the difference between a receiving frequency an output frequency from a second oscillator

1998

1885818298Linear amplifying apparatus using coupled non-linear amplifiers
1895815804Dual-band filter network
1905815803Wideband high isolation circulatior network
1915797084Radio communication equipment
1925778025Transmitting-receiving circuit
1935771444Waste energy control and management in power amplifiers
1945768691Antenna switching circuits for radio telephones
1955737696Dielectric filter having inductive coupling windows between resonators and transceiver using the dielectric filter
1965732329Radio transmitter/receiver
1975732325Waste energy control and management in power amplifiers
1985729829Interference mitigation method and apparatus for multiple collocated transceivers
1995715520Frequency offset method and apparatus for use in a transceiver

1997

2005701595Half duplex RF transceiver having low transmit path signal loss
2015701594Transmitter/receiver for a TDMA system using common IF SAW filter
2025691978Self-cancelling full-duplex RF communication system
2035689817RF duplexer bypassing techniques for transceivers
2045659886Digital mobile transceiver with phase adjusting strip lines connecting to a common antenna
2055638024Waste energy control and management in power amplifiers
2065634203Adaptive multi-receiver shared antenna matching system and method
2075631604Waste energy control and management in power amplifiers
2085630223Adaptive method and apparatus for eliminating interference between radio transceivers
2095625894Switch filter having selectively interconnected filter stages and ports

1996

2105574985Radio transmitter receiver for operation in plural radio systems having unequal bands of operating frequencies represented by channel numbers
2115574978Interference cancellation system and radio system for multiple radios on a small platform
2125574967Waste energy control and management in power amplifiers
2135568088Waste energy control and management in power amplifier
2145561406Duplexer package
2155554960Branching filter, branching filter module and radio commnication apparatus
2165535433Hands-free circuitry providing audio signal adjustment based on speaker volume value
2175535430Mobile communication terminal equipment usable for both satellite and terrestrial communications
2185521561Arrangement for separating transmission and reception
2195519887Switchable filter phase-locked loop frequency synthesizer device and method for achieving dual-mode cellular communications
2205515017Selectable frequency dielectric filter having a ganged relation output switch
2215493701Frequency-modulated transceiver having a third mixer for generating an outermediate-frequency local oscillator signal from modulated output signal of a high frequency oscillator
2225486797Integrated port selection circuit for high frequency signal

1995

2235477532Radio transceiver
2245473295Saw notch filter for improving stop-band attenuation of a duplex filter
2255446464Transceiver module
2265444864Method and apparatus for cancelling in-band energy leakage from transmitter to receiver
2275428831Signal path length correlator and method and an interference cancellation system using the same
2285423076Superheterodyne tranceiver with bilateral first mixer and dual phase locked loop frequency control
2295386203Antenna coupler
2305379011Surface mount ceramic filter duplexer having reduced input/output coupling and adjustable high-side transmission zeroes

1994

2315369782Radio relay system, including interference signal cancellation
2325349694Radio relay system with a multiplex separation circuit and control for providing time delay multiplex operation of receiver and transmitter
2335335364Circuit arrangement for automatic frequency control in a radio telephone
2345327582Wideband wireless communications receiver
2355289199Antenna resonant circuit
2365276914Dual-mode transceiver that switches out a large insertion loss filter during transmission

1993

2375267297Base station for a radio communication system
2385267234Radio transceiver with duplex and notch filter
2395263055Apparatus and method for reducing harmonic interference generated by a clock signal
2405241693Single-block filter for antenna duplexing and antenna-switched diversity
2415239689Transmitter/receiver apparatus with common oscillator that changes frequency between transmitting and received operations
2425239688Multi-range, multi-use antenna adapter
2435216378Switch adaptable radio frequency amplifier
2445201064Multiple-line superheterodyne transmission and reception device

1992

2455168282Antenna resonant circuit
2465155724Dual mode diplexer/multiplexer
2475140699Detector DC offset compensator
2485109541Car-mounted type booster system for hand-held phone
2495109536Single-block filter for antenna duplexing and antenna-summed diversity

1991

2504991165Digital adaptive interference canceller

1990

2514980660Antenna sharing apparatus for switchable transmit/receive filters
2524968967Continuously transmitting and receiving radar
2534952193Interference cancelling system and method
2544918685Transceiver arrangement for full-duplex data transmission comprising an echo canceller and provisions for testing the arrangement
2554907291Transmitter/receiver apparatus
2564907219Duplex communication wireless
2574893317Digital signals and frequency correction in a digital wireless system

1989

2584881240AM equalizer circuit for digital systems
2594868874Echo canceller
2604864634Radio communication apparatus free from interference between local signal and transmission signal
2614850034Method and apparatus for installing a cellular telephone in a vehicle
2624825448Subscriber unit for wireless digital telephone system

1988

2634792939Duplex radio communication transceiver
2644761821Radio frequency signal transmission system with carrier frequencies at opposite edges of the channel
2654759078Coordinated local oscillator receiving system

1987

2664691313Wireless talking apparatus
2674685099Method and apparatus for duplex communications
2684670889Frequency control for point to multipoint radio
2694660042Cancellation system for transmitter interference with nearby receiver

1986

2704633511Signal transmission and reception system
2714627099Communication apparatus for transmitting and receiving signals on different frequency bands

1985

2724542531Radio transmitter/receivers with non interferring local oscillator frequency
2734535476Offset geometry, interference canceling receiver
2744510595Modified time-division transmission technique for digital mobile radio systems
2754493111Electronic antenna decoupling process and device

1984

2764489413Apparatus for controlling the receive and transmit frequency of a transceiver
2774476575Radio transceiver
2784475246Simulcast same frequency repeater system
2794462098Radio frequency signal combining/sorting apparatus
2804430756Oscillator control circuit

1983

2814394775Frequency division communication system wherein conventional transmitter-transceiver can be used as a repeater or local base station

1982

2824325140Full duplex communication system apparatus using frequency selective limiters
2834319222Transmitter apparatus for an information transmission system

1981

2844288868Satellite communication system for speech and telegraphy
2854246582Full duplex transceiver comprising hybrid coil and automatic impedance adjustment means

1980

2864232390Mobile radio vehicle control system
2874231116Radio station system
2884229827Single voltage controlled oscillator modem
2894212013Duplex-transmitter receiver arrangement
2904208630Narrow band paging or control radio system
2914186344Frequency converter

1979

2924155039Two-way transmission system between a main station and secondary stations
2934153884Frequency synthesizer for transmitter/receiver using a phase locked loop
2944147980Redundant RF system for space application

1978

2954131849Two-way mobile radio voice/data shared communications system
2964097805Frequency-synthesizer type transceiver
2974087751Transmitter-receiver circuit

1977

2984061974Ultra stable frequency distribution system
2994061973Synthesizer
3004051475Radio receiver isolation system
3014011410Communication system interface circuits

1976

3023973089Adaptive hybrid circuit
3033965447Synthetic reactor circuit
3043962553Portable telephone system having a battery saver feature
3053935533Single oscillator microwave transceiver
3063931575Filter stabilized single oscillator transceivers
© 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017