СПИСОК патентов США - подгруппа МПК16 H04B1/28



Выделить слова в названиях патентов:


№ п/п Номер патента Название патента

2017

19584170Broadband superhetrodyne receiver with agile intermediate frequency for interference mitigation
29548779Multi-user satellite receiving system and method thereof
39543995Analog front end receivers with resonant mixer configured to reject local oscillator harmonics

2016

49509353Data processing device
59509351Simultaneous accommodation of a low power signal and an interfering signal in a radio frequency (RF) receiver
69491395Tuning circuit and receiver
79490764Fast automatic gain control (AGC) for packet based systems
89484973Voltage equalization for stacked FETs in RF switches
99444673Methods and systems for down-converting a signal using a complementary transistor structure
109438290Receiver having a calibration source
119425740Mixer circuit
129413476Satellite signal frequency translation and stacking
139401732Receiver and receiving method of receiver
149398636Adjacent channel optimized receiver
159374139Multiple-input multiple-output radio transceiver
169374121Transceiver with super-heterodyne and zero intermediate frequency (ZIF) topologies
179373643Semiconductor device
189369087Integrated RF front end with stacked transistor switch
199362964Receiver architecture for dual receiver signal level and interference detection in microwave digital radio applications
209356634Down-conversion circuit
219350591Method and system for down-converting an electromagnetic signal
229350392RFIC configuration for reduced antenna trace loss
239350298Circuit and method for image frequency rejection
249344039Down-conversion circuit with interference detection
259337965Systems and methods for asynchronous re-modulation with adaptive I/Q adjustment
269331031Wireless communication system
279319262Methods and systems for down-converting a signal
289306792Methods and systems for down-converting a signal
299300251Frequency mixer having ferromagnetic film
309294320Wireless transmission system and wireless transmitter, wireless receiver, wireless transmission method, wireless reception method and wireless communication method used with same
319288586Method and apparatus for signal reception using dynamically selectable modes
329288100Method and system for down-converting and electromagnetic signal
339281989Compensation apparatus, signal generator and wireless communication equipment
349264125Method and system for distributed communication
359264020Systems and methods for improving the time alignment of non-overlapping waveforms
369258100Multiple frequency band information signal frequency band compression
379247581Multiple-processor wireless mobile communication device
389246737Method and system for down-converting an electromagnetic signal
399246736Method and system for down-converting an electromagnetic signal
409231630Radio device having dynamic intermediate frequency scaling

2015

419225378Switch circuit and method of switching radio frequency signals
429219557Circuits, systems and methods for constructing a composite signal
439219512Integrated receiver and integrated circuit having integrated inductors and method therefor
449203678Receiving device, receiving method, program, and receiving system
459197263Compensation apparatus, signal generator and wireless communication equipment
469185704Data reception device and corresponding reception method, computer program and recording medium
479184776Signal tuning with variable intermediate frequency for image rejection and methods
489178733Intermediate frequency receiver with dynamic selection of the intermediate frequency used
499166642Signal receiving device and signal receiving method
509159743Radio-frequency switches having silicon-on-insulator field-effect transistors with reduced linear region resistance
519154173Linear sampler
529134718Low power consumption control circuit and operation method thereof
539119082Reference signal design for interference measurement
549118528Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships
559118391Integrated circuit device, wireless communication unit and method of manufacture therefor
569106491Receiver circuit and filtering method used therein
579088468Double conversion dual-carrier radio frequency receiver
589086711Single-ended high voltage input-capable comparator circuit
599083437Front-end transceiver
609083293Signal transceiver
619065551Device and method for adaptively suppressing in-band interference signals in radio receivers
629065164High frequency switch
639064746Devices and methods related to field-effect transistor structures for radio-frequency applications
649054777Improvements relating to signal processing
659053474Systems and methods for handling point-of-sale transactions using a mobile device
669048921Receiver for wireless communication system
679042860Monolithically integrated circuit
689020458Mixer with channel impedance equalization
699014655Wireless communication system
709014654Semiconductor apparatus
718971960Apparatus and method for selecting SIM card in mobile terminal

2014

728892158Semiconductor device
738868059Digital upgrade system and method
748868022Broadband transconductance amplifier
758838059High-frequency circuit module
768824994Wireless communication system
778818319Signal distribution and filtering in low noise block downconverters
788818318Frequency up and down converter
798811920DC-DC converter semiconductor die structure
808792848Programmable wireless communication device
818781433Semiconductor device
828781432Circuit coupling
838768284Radio frequency integrated circuit with noise immunity border
848729948High frequency switch
858676146Electronic apparatus, dispersion adjustment method of IC internal component section of electronic apparatus and IC
868676145Mixer circuits for second order intercept point calibration
878660515Integrated wireless transceiver and audio processor
888649754Integrated RF front end with stacked transistor switch
898626105Mixer-amplifier for an RF receive chain

2013

908594610Stacked CMOS power amplifier and RF coupler devices and related methods
918583111Switch circuit and method of switching radio frequency signals
928571513Integrated circuit passive signal distribution
938571510High linearity low noise receiver with load switching
948571142System and method for non-crystal-based communications
958570100Direct sampling circuit and receiver
968559907Integrated RF front end with stacked transistor switch
978559906System and method for providing a carbon nanotube mixer
988548416Semiconductor chip and radio frequency circuit
998546939RF module including control IC without the aid of a relay pad
1008543079Receiver and integrated AM-FM/IQ demodulators for gigabit-rate data detection
1018538363Semiconductor integrated circuit and radio receiver
1028532602Switching system with linearizing circuit
1038532601Integrated low-IF terrestrial audio broadcast receiver and associated method
1048503966Semiconductor integrated circuit and receiving apparatus
1058503965Programmable RF array
1068503960Amplifier and associated receiver
1078498605Passive frequency translation with voltage conversion gain
1088494475Direct mixer with transistor and sample-and-hold module
1098472911Wireless communication system
1108467825Semiconductor device
1118463225Semiconductor integrated circuit and operation method of the same
1128463219Programmable baseband filters supporting auto-calibration for a mobile digital cellular television environment
1138463212Receiving apparatus, imaging apparatus, and receiving method
1148463199Multiple-input multiple-output radio transceiver
1158447251Audio signal processing circuit
1168422980High-frequency circuit in which high-frequency filter is parallel installed to integrated circuit
1178416886Receiver
1188405147Method and apparatus for use in improving linearity of MOSFETs using an accumulated charge sink
1198401511Current-mode wireless receiver and reception method thereof
1208401492High frequency switch module
1218396441Wideband mixer
1228385876Semiconductor device
1238385875Semiconductor integrated circuit
1248374571Semiconductor integrated circuit and operating method thereof
1258351891Wideband distributed mixers

2012

1268340621Wireless device using a shared gain stage for simultaneous reception of multiple protocols
1278301106Stacked CMOS power amplifier and RF coupler devices and related methods
1288301105Receiver front end
1298301093Receiver circuit and data transmission system
1308285242Radio frequency integrated circuit and IC module of the same
1318280340Clock generation for integrated radio frequency receivers
1328265558Intra-device RF bus and control thereof
1338260245Monolithically integrated circuit
1348254867Method and apparatus for generating data frame
1358249543Low-IF integrated data receiver and associated methods
1368249542Receiver and integrated AM-FM/IQ demodulators for gigabit-rate data detection
1378249541Subharmonically pumped mixer
1388244199Semiconductor device
1398219060Dual inductor circuit for multi-band wireless communication device
1408213894Integrated circuit passive signal distribution
1418213893Mixer arrangement
1428204471Wireless communication system
1438200181Noise reduction in a dual radio frequency receiver
1448200179Combined variable gain amplifier and analog equalizer circuit
1458190117Mixer circuit and radio communication device using the same
1468180311Local oscillation routing plan applicable to a multiple RF band RF MIMO transceiver
1478175563Programmable baseband filters supporting auto-calibration for a mobile digital cellular television environment
1488174328Dual-band wideband local oscillation signal generator
1498165556High dynamic range time-varying integrated receiver for elimination of off-chip filters
1508160636Semiconductor device
1518150361Single chip amplifier and oscillator having similar resonant circuit topology
1528140113High frequency signal combining
1538140045Semiconductor device
1548131251Integrated RF front end with stacked transistor switch
1558131250Self-synchronized radio frequency interconnect for three-dimensional circuit integration
1568126501Semiconductor device and electronic device
1578121578Electronic apparatus, dispersion adjustment method of IC internal component section of electronic apparatus and IC
1588095105Method of operating radio receiver implemented in a single CMOS integrated circuit
1598095104Semiconductor device and electronic device having the same
1608095101Receiving device and related method for calibrating DC offset

2011

1618086212RF reception system and integrated circuit with programmable filter and methods for use therewith
1628086211Magnetically differential input
1638086207Linear transconductor for RF communications
1648073417Method and system for a transformer-based high performance cross-coupled low noise amplifier
1658068805RF selection diversity module
1668068796Power divider and dual-output radio transmitter
1678064872On chip transformer isolator
1688064868Dynamic current steering mixer
1698064867RX dual-band mixer
1708064859Gain insensitive high-pass VGA
1718064826Intra-device RF bus and control thereof
1728060049Integrated low-if terrestrial audio broadcast receiver and associated method
1738060048Mixer arrangement
1748046026Portable communications terminal having camera assembly with two cameras
1758045940Integrated circuit and method for reception of radio frequency signals
1768036628Wireless communication system
1777995984Semiconductor device
1787986192Harmonic rejection mixer and harmonic rejection mixing method
1797974599Low noise amplifier with constant input impedance
1807962117Single chip radio receiver with decoder and controllable baseband filter
1817949313Direct conversion device with compensation means for a transmission path of a wireless communication equipment
1827948294Mixer with high linearity
1837945232Multiband wireless device and semiconductor integrated circuit
1847937105Semiconductor device and electronic device
1857937061Signal interfacing techniques to simplify integrated circuit radio designs
1867929939Multi-mode cellular IC memory management
1877929938DC-compensated IP2 calibration for WCDMA receiver
1887917120RF mixer with inductive degeneration
1897917114DC cancellation circuit
1907912440Apparatus for filtering a reference voltage and mobile phones comprising such apparatus
1917912439Semiconductor device and operating method thereof
1927890079RFIC with on-chip multiple band power amplifiers
1937885600RFID system with RF bus
1947881692Integrated low-IF terrestrial audio broadcast receiver and associated method
1957869784Radio frequency circuit with integrated on-chip radio frequency inductive signal coupler
1967865165Scalable radio receiver architecture providing three-dimensional packaging of multiple receivers
1977865149On chip MOS transmit / receive switch

2010

1987860499Switch circuit and method of switching radio frequency signals
1997856223Mixer-system with gain-blocks and switches
2007853236Rectifier circuit and RFID tag
2017853234RFIC with high power PA
2027844243Receiver for differential and reference voltage signaling with programmable common mode
2037844242Wireless communication device with programmable antenna system
2047835717RF reception system and integrated circuit with programmable filter and methods for use therewith
2057822383Semiconductor integrated circuit and wireless communication device
2067818028Modified dual band direct conversion architecture that allows extensive digital calibration
2077813711Stacking baseband circuits using deep n-well and increased supply voltage
2087796970Integrated low noise amplifier
2097787834Voice, data and RF integrated circuit with off-chip power amplifier and methods for use therewith
2107783276Wireless communication system
2117783275Integrated direct conversion satellite tuner
2127769361Systems, methods, and apparatus for frequency conversion
2137761078Dual inductor circuit for multi-band wireless communication device
2147756505Semiconductor integrated circuit and a software radio device
2157742752Passive filter selectivity with precise resolution for integrated circuit radios
2167734272Local oscillator apparatus and method
2177725124Semiconductor device and module having a transceiver with a built-in regulator
2187711347Mixer
2197706770RF reception system and integrated circuit with programmable filter and methods for use therewith
2207693503Mixer having filtering module to filter out low-frequency components to minimize noise
2217684780Semiconductor device, radio terminal device, and radio communication equipment
2227676213Vgs replication apparatus, method, and system
2237676212Signal mixer having a single-ended input and a differential output
2247672659Mixer with feedback
2257672647Integrated circuit for transmitting and/or receiving signals
2267657247Mixer constant linear range biasing apparatus and method
2277657246Techniques for passive subharmonic mixing
2287652519Apparatus and method for exploiting reverse short channel effects in transistor devices
2297650132Low noise amplifier (LNA) gain switch circuit

2009

2307640002RF amplifier
2317636554Multiple-input multiple-output radio transceiver
2327631337KVM video and OSD switch
2337623839Semiconductor integrated circuit
2347616937Subharmonic mixer capable of reducing noise and enhancing gain and linearlty
2357613442Switch circuit and method of switching radio frequency signals
2367613439Programmable baseband filters supporting auto-calibration for a mobile digital cellular television environment
2377580694Contactless integrated circuit with high-efficiency electrical power supply circuit
2387565116High frequency module
2397548734Multi-band RF receiver
2407539471Method and apparatus to provide variable gain in a radio receiver front end
2417536166Monolithically integrated circuit
2427512395Receiver and integrated AM-FM/IQ demodulators for gigabit-rate data detection
2437509101Method and apparatus for reducing leakage in a direct conversion transmitter
2447505752Receiver for differential and reference-voltage signaling with programmable common mode
2457493098Semiconductor integrated circuit

2008

2467471940Ratiometric clock systems for integrated receivers and associated methods
2477469137Radio receiver DC offset cancellation via ADC input bias
2487463876Communication semiconductor integrated circuit, communication electronic component and wireless communication system
2497460852Switch circuit and method of switching radio frequency signals
2507460851Method and apparatus for integrating a surface acoustic wave filter and a transceiver
2517460844High dynamic range time-varying integrated receiver for elimination of off-chip filters
2527457606Mixer circuit for direct conversion transceiver with improved IP2
2537454221Electron tube amplification
2547454208Method and apparatus for scan mode selection during an EVDO traffic state
2557454189Calibration of received signal strength indication
2567447492On chip transformer isolator
2577446590Low noise mixer with reduced distortion
2587444166Wireless diversity receiver with shared receive path
2597437138All CMOS GPS receiver with noise-matched high impedance on-chip antenna
2607418251Compact radio frequency harmonic filter using integrated passive device technology
2617418250Quadrature mixer circuits and mobile terminal using the same
2627415257Dual-band mixer and its design flow
2637409200Module integration integrated circuits
2647398075Radio wave reception device and radio wave clock
2657386293Receiving circuit
2667379728Wireless communication system
2677376400System and method for digital radio receiver
2687359686Radio-frequency amplifier system
2697356325Local oscillation routing plan applicable to a multiple RF band RF MIMO transceiver
2707343146Single chip LNA and VCO having similar resonant circuit topology and using same calibration signal to compensate for process variations
2717333791Use of an image reject mixer in a forward data channel tuner
2727327198Method and system for a polyphase clock for a second intermediate frequency (IF) mixer to improve signal quality
2737324796Low temperature co-fired ceramic sub-harmonic mixer
2747317899Communication apparatus

2007

2757310508Inline filter resistors
2767305223Radio frequency circuit with integrated on-chip radio frequency signal coupler
2777305222Radio frequency integrated circuit having reduced receiver noise levels
2787305217Low cost planar double balanced mixer
2797299029Method of operating radio receiver implemented in a single CMOS integrated circuit
2807299018Receiver comprising a digitally controlled capacitor bank
2817286811Local oscillator apparatus and method
2827274923Wireless communication system
2837274916Differential signal receiver and method
2847272375Integrated low-IF terrestrial audio broadcast receiver and associated method
2857272374Dynamic selection of local oscillator signal injection for image rejection in integrated receivers
2867272373Ratiometric clock systems for integrated receivers and associated methods
2877248850Passive subharmonic mixer design
2887236758Integrated wireless multimedia integrated circuit
2897218909Integrated low noise amplifier
2907218908Integrated circuit able to operate in active and inactive modes and a device including it
2917215938Radio-frequency receiver and integrated circuit for use in receiver
2927209725Analog zero if FM decoder and embodiments thereof, such as the family radio service
2937203472Method and apparatus providing calibration technique for RF performance tuning
2947200378Rocking potential-well switch and mixer
2957197299Multiple message multilevel analog signal recording and playback system containing configurable analog processing functions
2967184741Single chip radio receiver with decoder and controllable baseband filter
2977184739Quadrature mixer circuits and mobile terminal using the same
2987177620Mixer constant linear range biasing apparatus and method

2006

2997155188Integrated circuit and receiving device
3007149496High-frequency module and radio communication apparatus
3017149495Switching apparatus, electric field applying method and switching system
3027149494Demultiplexer and communication device
3037146136E-band radio transceiver architecture and chip set
3047139548Semiconductor integrated circuit device and wireless communication system
3057139547Integrated direct conversion satellite tuner
3067123898Switch circuit and method of switching radio frequency signals
3077123897Directional receiver coupling arrangement with frequency selectivity and gain control for DSL
3087113761RF power device with on-chip digital control and optical interface
3097113756Passive mixer with improved linearity
3107113755Passive mixer with improved linearity
3117110742Low noise amplifier with constant input impedance
3127110741Radiofrequency unit
3137099648Radio frequency integrated circuit layout with noise immunity border
3147099647Single chip direct conversion transceiver for reducing DC offset and method of manufacturing the same
3157095999Signal processing semiconductor integrated circuit device
3167092692Threshold voltage (Vth), power supply (VDD), and temperature compensation bias circuit for CMOS passive mixer
3177088983Semiconductor device for radio communication device, and radio communication device using said semiconductor device
3187079829Semiconductor differential circuit, oscillation apparatus, switching apparatus, amplifying apparatus, mixer apparatus and circuit apparatus using same, and semiconductor differential circuit placement method
3197076219Receiver for weak radio wave
3207072637Method and system for arranging frequently accessed data to optimize power consumption
3217072636Printed circuit doubly balanced mixer for upconverter
3227058383Signal interfacing techinques to simplify integrated circuit radio designs
3237054609Linearity improvement of Gilbert mixers
3247050779Semiconductor integrated circuit device
3257039384Low power band-gap current reference
3267039383Quadrature mixer circuit including three-input local mixers
3277031689Differential radio
3287027795Low temperature co-fired ceramic double balanced mixer
3297020453High-frequency switch circuit and mobile telecommunications terminal device using the same
3307013123Wireless communication system
3316999747Passive harmonic switch mixer
3326999746Image rejection mixer
3336999745Mixer with a variable gain current-to-voltage converter
3346993314Apparatus for generating multiple radio frequencies in communication circuitry and associated methods
3356993313Integrated structure of inductances with shared values on a semiconductor substrate
3366985712RF device and communication apparatus using the same

2005

3376968155Processing method for a broadband digital radio receiver signal and corresponding radio reception architecture
3386965757Multiband short range radio receiver for motor vehicle data
3396965658Method and means for telecommunication
3406963732Subsampling communication receiver architecture with relaxed IFA readout timing
3416961544Structure of a radio-frequency front end
3426959049Multi-tap, digital-pulse-driven mixer
3436958782Frequency converter
3446957046System and method for reducing multipath interference in packetized wireless communication systems
3456952573Wireless receiver with stacked, single chip architecture
3466952572Image rejection mixer with switchable high or low side injection
3476934522Automatic gain control apparatus
3486922454Direct conversion radio receiving system using digital signal processing for channel filtering and down conversion to base band
3496917815Concurrent dual-band receiver architecture
3506917803Wireless communications equipment
3516914950Multi-protocol receiver
3526909883Wireless communication device
3536907236Mixer for dual conversion receiver
3546901249Complementary bipolar harmonic mixer
3556898235Wideband communication intercept and direction finding device using hyperchannelization
3566895232Method and apparatus for receiving radio frequency signals
3576895063Frequency changer and digital tuner
3586892060Fully integrated self-tuned image rejection downconversion system
3596889037Reducing active mixer flicker noise
3606876844Cascading-synchronous mixer and method of operation
3616876842Superheterodyne receivers
3626859648Semiconductor integrated circuit device
3636856794Monolithic GPS RF front end integrated circuit
3646853310Tri-mode medical telemetry antenna system
3656850748RF front end with reduced carrier leakage
3666850746Mixer circuit with on-chip transformer
3676842610Tuner

2004

3686832071Satellite broadcast reception system capable of connection with plurality of satellite receivers
3696829469Method and a device for producing a signal
3706826234Radio communication apparatus and radio communication method
3716819914Differential mixer injection with optional step gain control
3726816715Wideband receiver and channel scanning method
3736813320Wireless telecommunications multi-carrier receiver architecture
3746810268Signal power detection device and frequency analysis apparatus using the same
3756804497Partitioned radio-frequency apparatus and associated methods
3766804308Receiver including frequency down-converter and analog-to-digital converter for a wireless telecommunication system
3776801583Multi-carrier receiver including an analog-to-digital converter for a wireless telecommunication system
3786798850Method and arrangement in a radio receiver system with several standards
3796798848Architecture for multi-carrier receiver
3806791626Input switching circuit for a television tuner immune to interference due to FM broadcasting signal
3816788921Modular RF IC architecture
3826788747Receiver capable of receiving analog broadcast and digital broadcast and IC for the same
3836785530Even-order non-linearity correction feedback for Gilbert style mixers
3846781424Single chip CMOS transmitter/receiver and method of using same
3856766158Harmonic cancellation mixer
3866760386Receiver and method therefor
3876760342Channelizer for a multi-carrier receiver
3886756828Phase lock loop (PLL) apparatus and method
3896754480Baseband analog circuit with improved noise characteristics
3906754478CMOS low noise amplifier
3916748025Direct conversion delta-sigma receiver
3926745019Process and system for reducing leakage of local oscillator
3936741847Multi-carrier receiver frequency conversion architecture
3946735421Receiver including low noise amplifier and frequency down-converter for a wireless telecommunication system
3956725023Radio FM receiver
3966718167Filter center frequency temperature compensation by adjustment of the operating frequency of the host system
3976717533Method and apparatus for combining a wireless receiver and a non-wireless receiver
3986714604Receiver
3996714263Multiple conversion tuner
4006704559Broadband RF mixer with improved intermodulation suppression
4016701164Mobile communication system with zone-shift control apparatus
4026700936Many-carrier transmission system and a receiver therefor
4036694131Method and apparatus for adaptive image rejection
4046687494Low power radio telephone image reject mixer
4056678512Receiver system using analog to digital conversion at radio frequency and method
4066677862Transmitter tolerant to crystal variations

2003

4076662003Radio receiver in CMOS integrated circuit
4086658267Interoperable am/fm headset wireless telephone device
4096658236Wireless apparatus with frequency synthesizers
4106654428Systems and methods for wireless communications
4116643501Flexible ferrite gasket for receiver second image protection
4126637027System and method for controlling access to broadcast services
4136636171Automobile bi-direction remote control transmission circuitry
4146633255Method for open loop tracking GPS signals
4156631255Multi-carrier receiver for a wireless telecommunication system
4166631170Radio frequency receiver
4176624509Semiconductor device
4186611570Programmable digital intermediate frequency transceiver
4196603964Mixer with reduced carrier feedthrough
4206594477Electronic tuner
4216584305Direct conversion radio receiving system using digital signal processing for channel filtering and down conversion to base band
4226584146Systems and methods for wireless communications
4236571110Cryoelectronic receiver front end for mobile radio systems
4246570942Multi-mode variable rate digital cable receiver
4256556630Dual band telemetry system
4266545728Digital television receivers that digitize final I-F signals resulting from triple-conversion
4276542724Method and apparatus for performing image signal rejection
4286538498Gm-C tuning circuit with filter configuration
4296532270Apparatus and method for broadcast band noise reduction in a transmitter with a low IF frequency
4306529719Image reject mixer
4316526101Receiver for QAM digital television signals
4326515609Radio receiver
4336512555Radio receiver for vestigal-sideband amplitude-modulation digital television signals
4346512408Mixer structure and method for using same
4356510317Satellite digital audio radio service tuner architecture for reception of satellite and terrestrial signals
4366504935Method and apparatus for the modeling and synthesis of harmonic distortion

2002

4376498819Integrated multi-mode bandpass sigma-delta receiver subsystem with interference mitigation and method of using same
4386490441Tuning circuit device with built-in band pass integrated on semiconductor substrate together with PLL circuit
4396483355Single chip CMOS transmitter/receiver and method of using same
4406476593Method and circuit for compensation control of offset voltages of a radio receiving circuit integrated in a circuit module
4416473606Common intermediate frequency broadcast radio front end
4426473474Wide band alias resolving digitally channelized receiver and a memory for use therewith
4436463268ALC circuit receiver with sensitivity switching for controlling
4446456832Antenna circuit
4456452909Time division duplex transceiver utilizing a single oscillator
4466448926Multi-band, multi-function integrated transceiver
4476438361Apparatus and method for automatic selection of broadband frequency channel using double frequency conversion
4486433734Method and apparatus for determining time for GPS receivers
4496426780DTV receiver with low-band final I-F signal filtered for suppressing co-channel interfering NTSC audio carrier
4506424685Polar computation of branch metrics for TCM
4516424192Phase lock loop (PLL) apparatus and method
4526421002GPS receiver utilizing a communication link
4536411653Cascaded polyphase DFT-filter band for a wireless telecommunications system
4546404277Gm-C tuning circuit with filter configuration
4556400314GPS receiver utilizing a communication link
4566397051Dual image-reject mixer receiver for multiple channel reception and processing
4576389272Receiver with auto gain control circuit of RF signal
4586389078Configurable circuits for field programmable radio frequency communications equipment and methods therefor
4596385443Intermediate frequency local generating circuit
4606377788Tunable filter in radio receiver
4616377316Tuner with switched analog and digital modulators
4626373422Method and apparatus employing decimation filter for down conversion in a receiver
4636370372Subharmonic mixer circuit and method
4646370368Global tuner
4656370365Selective call radio having an integrated frequency conversion circuit
4666366767Local oscillation circuit and a receiving circuit including the local oscillation circuit
4676359897Control system for controlling the processing data of a first in first out memory and method therefor
4686356749Automatic adapt circuit for circumventing demodulator transients in radio receiver
4696356603Integrated multi-mode bandpass sigma-delta receiver subsystem with interference mitigation and method of using same
4706353640Reconfigurable radio frequency communication system
4716353462Television signal and FM broadcast signal demodulator and television signal and FM broadcast signal receiver
4726351632Mixer with high order intermodulation suppression and robust conversion gain
4736351502RF front-end with multistage stepdown filtering architecture
4746348955Tuner with switched analog and digital demodulators
4756343207Field programmable radio frequency communications equipment including a configurable if circuit, and method therefor

2001

4766334051Direct conversion receiver with wide band analog frequency conversion front end and digital demodulating and selecting back end
4776333767Radio receivers for receiving both VSB and QAM digital television signals with carriers offset by 2.69 MHz
4786330290Digital I/Q imbalance compensation
4796327464Frequency conversion circuit having a variable trap circuit tuned to the local oscillator frequency
4806324390Fully integrated all-CMOS AM receiver
4816313688Mixer structure and method of using same
4826304621Multi-mode variable rate digital cable receiver
4836298227Method and apparatus for frequency conversion for a receiver with a limited-accuracy oscillator
4846292654Digital noise blanker for communications systems and methods therefor
4856292474Multi-frequency band nyktu-mode radio receiver and associated method having shared circuit elements
4866289487Efficient modified viterbi decoder
4876285866Single-chip radio structure with piezoelectric crystal device integrated on monolithic integrated circuit and method of fabricating the same
4886278866Bias signal generator in radio receiver
4896275687Apparatus and method for implementing a low-noise amplifier and mixer
4906263215Cryoelectronically cooled receiver front end for mobile radio systems
4916263195Wideband parallel processing digital tuner
4926259902Dual channel superheterodyne receiver
4936259399GPS receivers and garments containing GPS receivers and methods for using these GPS receivers
4946256485Wideband radio receiver
4956249686Internal circuit for adaptive mode selection of multi-mode RF integrated circuit
4966246866Dual band receiver
4976233444Radio receiving method and radio receiving apparatus
4986232645Noise decoupling for semiconductor device with BiCMOS-type substrate
4996226509Image reject mixer, circuit, and method for image rejection
5006225926Intermittent digital demodulation apparatus having reduced waiting time period
5016219531Architecture and frequency plan for a UHF portable radio
5026218972Tunable bandpass sigma-delta digital receiver
5036215829Apparatus for selectively receiving carrier wave signals
5046211924Decimation of baseband DTV signal prior to channel equalization in digital television signal receivers
5056208290GPS receiver utilizing a communication link
5066205340Cryoelectronic receiver front end for mobile radio systems
5076198779Method and apparatus for adaptively classifying a multi-level signal
5086184942Adaptively receiving digital television signals transmitted in various formats
5096181258Receiver capable of parallel demodulation of messages
5106181212Phase locked loop for generating two disparate, variable frequency signals
5116178315FM radio receiver
5126175724Band switchable injection oscillator and communication device using same
5136173164Method and apparatus for wide range automatic frequency control

2000

5146167246Fully integrated all-CMOS AM receiver
5156167099Multi-channel digital transceiver and method
5166166594Self calibrating demodulator system
5176163687Tuning module for a dual frequency PLL synthesized tuner
5186163684Broadband frequency synthesizer
5196160859Integrated multi-mode bandpass sigma-delta receiver subsystem with interference mitigation and method of using the same
5206157822Tuned low power/low noise mixer
5216157682Wideband receiver with bandwidth extension
5226148048Receive path implementation for an intermediate frequency transceiver
5236144846Frequency translation circuit and method of translating
5246137999Image reject transceiver and method of rejecting an image
5256137545Reception mode control in radio receivers for receiving both VSB and QAM digital television signals
5266134429Direct digital down conversion of a 10.8 MHz intermediate frequency signal in the personal handy phone system
5276133874Method and apparatus for acquiring satellite positioning system signals
5286133871GPS receiver having power management
5296125152Output signal modification providing phase amplified information for soft decision decoding
5306115595Integrated circuit using a power supply input for digital logic
5316115590Radiotelephone unit
5326115584Transmitter-receiver for use in broadband wireless access communications systems
5336115432High-frequency signal receiving apparatus
5346112070High frequency receiving circuit for mobile communication apparatus
5356112065Low to higher if conversion for active filtered limited IF systems
5366111540Combined GPS positioning system and communications system utilizing shared circuitry
5376111452Wide dynamic range RF mixers using wide bandgap semiconductors
5386104934Cryoelectronic receiver front end
5396104442Radio receiver for receiving both VSB and QAM digital HDTV signals
5406104341Satellite receiving system featuring antenna reception level signal generation in response to signal reception level and/or bit error rate
5416094570Double-balanced monolithic microwave integrated circuit mixer
5426091765Reconfigurable radio system architecture
5436088569Method and apparatus for receiving a plurality of signals having different frequency bandwidths
5446078824Wireless base station equipment
5456078612Radio architecture for an advanced digital radio in a digital communication system
5466073002Mixer circuit and communication device using the same
5476073000Direct conversion receiving circuit and direct conversion receiver
5486072442Local communication system and station for use in such a system
5496070062Mobile radio wave receiver with adaptive automatic gain control
5506066989Frequency synthesizer module for dual band radio
5516064871Low power .DELTA..SIGMA. convertor
5526044255Radio frequency circuit with integrated elements and method of manufacture
5536028850Wireless transceiver and frequency plan
5546026286RF amplifier, RF mixer and RF receiver
5556020789High frequency amplifier, and a communication receiver or transceiver

1999

5566002363Combined GPS positioning system and communications system utilizing shared circuitry
5575999223System for controlling the operating mode of an adaptive equalizer within a digital TV signal receiver
5585966638Receiving apparatus, signal demodulating method, antenna apparatus, receiving system and antenna direction adjusting method
5595966188Decimation of baseband DTV signals prior to channel equalization in digital television signal receivers
5605963590Method for receiving digital radio signals and a digital radio signals receiver
5615959699Reception mode control in radio receivers for receiving both VSB and QAM digital television signals
5625956376Apparatus for varying a sampling rate in a digital demodulator
5635945944Method and apparatus for determining time for GPS receivers
5645940143High-definition television signal receiving apparatus and gain control circuit thereof
5655920811Superconductor mixer and phase control method therefor
5665912927Multi-channel transmitter having an adaptive antenna array
5675875216Weight generation in stationary interference and noise environments
5685874914GPS receiver utilizing a communication link

1998

5695841396GPS receiver utilizing a communication link
5705839050System for determining radio listenership
5715831574Method and apparatus for determining the location of an object which may have an obstructed view of the sky
5725825327GPS receivers and garments containing GPS receivers and methods for using these GPS receivers
5735818883Multi-channel digital transceiver and method
5745812591Dual conversion GPS frequency converter and frequency plan for same
5755784418Dual band digital broadcast receiver
5765781156GPS receiver and method for processing GPS signals
5775754597Method and apparatus for routing a digitized RF signal to a plurality of paths
5785748683Multi-channel transceiver having an adaptive antenna array and method
5795748049Multi-frequency local oscillators
5805745846Channelized apparatus for equalizing carrier powers of multicarrier signal
5815734976Micro-receiver for receiving a high frequency frequency-modulated or phase-modulated signal
5825715235Communication system capable of performing FDMA transmission
5835715012Radio receivers for receiving both VSB and QAM digital HDTV signals
5845710997Superheterodyne receiver apparatus

1997

5855678226Unbalanced FET mixer
5865663734GPS receiver and method for processing GPS signals
5875659546Wideband frequency signal digitizer and method
5885649312MMIC downconverter for a direct broadcast satellite low noise block downconverter
5895630225Dielectric resonator image reject mixer and method
5905606738Frequency conversion circuit with linear feedback
5915604927Receiver having an adjustable bandwidth filter
5925602874Method and apparatus for reducing quantization noise

1996

5935579341Multi-channel digital transceiver and method
5945555453Radio communication system
5955528769High electron mobility transistor monolithic integrated circuit receiver
5965483695Intermediate frequency FM receiver using analog oversampling to increase signal bandwidth

1995

5975465418Self-oscillating mixer circuits and methods therefor
5985396658Radio frequency antenna and mixer array
5995379456Multiplying saw phase shift envelope detector

1994

6005339458Frequency converter unit for use in a high-frequency receiver
6015335354Demodulation circuit having automatic frequency control function
6025311149Integrated phase locked loop local oscillator
6035303403Electronic switch for selecting satellite polarization signals

1993

6045263198Resonant loop resistive FET mixer
6055263197Dual port oscillator for two-stage direct conversion receiver
6065193210Low power RF receiver

1988

6074736459FM receivers using two-terminal negative admittance networks

1986

6084590616Re-tuning device comprising a switching mixer stage and a tuning oscillator

1985

6094554678Wireless receiver having crystal filter at outputs of preamplifier

1981

6104268915Universal automotive electronic radio with display for tuning or time information
6114264981Circuit arrangement for compensating the change in input capacitance at a first gate electrode of a dual-gate MOS field-effect transistor
6124262361Variable bandwidth filtering and frequency converting system

1980

6134236252Double-converting FM tuner
6144231446Resonating chamber
6154223406Multi band radio receiver system with phase locked loop
6164207532Frequency signal splitting circuit
6174207529Radio receiver
6184194158Integrated front end circuit for VHF receiver

1979

6194164710Very high frequency tuner for eliminating image interference and stray capacitance effects
6204157505Plural band scanning radio with direct switch of RF amplifying transistors
6214135158Universal automotive electronic radio

1977

6224063184Signal transfer circuit
6234063177Plural band, single/double conversion radio receiver
6244058771Double-balanced frequency converter
6254045740Method for optimizing the bandwidth of a radio receiver
6264042782High selectivity radio receiver
6274024477Received signal frequency indicating system
6284023108Electronically controllable tuning device having a frequency synthesizer

1976

6293974450Dual frequency FM receiver
© 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017