СПИСОК патентов США - подгруппа МПК16 H04B15/02


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№ п/п Номер патента Название патента

2017

19609765Chassis of electronic device
29608742Methods and systems for signal fingerprinting
39596669Method and apparatus for transmitting data
49590744Method and apparatus for beamforming
59571258Detection and mitigation of ingress interference within communication links
69571209Transmission device with impairment compensation and methods for use therewith
79571070Clock circuit for a microprocessor
89553680Uplink interference mitigation
99549387Techniques for reducing interference in communications using conducted RF links
109537540Rotary transmitter for machine tools

2016

119510281Priority arbitration for interference mitigation
129509373Method for a contactless communication between two NFC devices with impact reduction of an external noise emission
139509369Systems and methods for adjusting signaling properties based on cable attributes
149491714Interference cancellation method, system, device and UE
159473255Wireless communication device
169443046Determining the electromagnetic field in a computer aided design environment
179438356Method and apparatus for cancelling self-interference signal between transmission antenna and reception antenna
189419730Communications unit and method
199407378Apparatus and method for reducing TDMA noise of portable terminal
209401731Skew control for three-phase communication
219396717Systems and methods for reducing unwanted sounds in signals received from an arrangement of microphones
229386382Hearing aid compatible mobile electronic device
239379803Antenna switching device
249379761Impedance measurement system and mobile communication device comprising an impedance measurement system
259374177Method, device, and system for processing communications system signal
269363025Signal propagation system and method of reducing electromagnetic radiation emissions caused by communication of timing information
279356709Downlink interference coordination in a radio communication network
289344145Method for transceiving signal based on information from equalizer of receiving unit and method for training equalizer
299319078Wireless communication device and sensing method
309294202Adjusting application parameters for interference mitigation
319294147TWACS transmitter and receiver
329287996Communication system, communication device, power supply device, and vehicle
339265003Apparatus and methods for reducing power consumption and/or radio frequency interference in a mobile computing device
349264787Communication system for process field device
359264083Communication circuit and semiconductor device
369252892Device and method for active reduction of radio frequency noise
379252824Method and apparatus for filtering noise in a signal received by a wireless receiver
389243602Ignition system control method and system
399236957Technique to reduce the third harmonic of an on-state RF switch
409236956Frequency control apparatus

2015

419226311UWB coexistence scheme
429225437Cordless charging apparatus
439209911Radio with a switched mode power supply
449203529Via placement in radio frequency shielding applications
459184856Detecting wireless noise within time period in which no data is purposefully wirelessly communicated
469172304Constant input current filter using high-frequency switching for power supplies and related system and method
479172263Electronic device for reducing interference between a charging coil and an antenna
489160825Communication module
499160464Operating multi-service receiver in non-interfering manner
509148160Dynamic power switching in current-steering DACs
519125293Lightweight audio system for automotive applications and method
529106330Wireless communication apparatus and interference avoidance method
539106329Apparatus for communicating another device
549106202Poly-phase filter with phase tuning
559077447Signal filters in double pass and sagnac configurations
569066415Device for absorption of noise
579059795Process and apparatus for reducing EMI in the RF subsystem of a wireless communication system
589054770Communication circuit and semiconductor device

2014

598890374Uninterruptible power supply system for avoiding arcing generation and cabinet thereof
608724827System and method for directionally radiating sound
618670355System and method for network based hearing aid compatible mode selection

2013

628437985Sensor-based data filtering systems

2012

638204242Active noise reduction adaptive filter leakage adjusting
648199927Conferencing system implementing echo cancellation and push-to-talk microphone detection using two-stage frequency filter

2011

658027484Active vibration noise controller

2006

667003099Small array microphone for acoustic echo cancellation and noise suppression

2005

676952138Generation of a phase locked loop output signal having reduced spurious spectral components
686950644Satellite broadcast receiving device having two local oscillation circuits and reduced spurious signal
696950642System and method for reducing noise in a recording receiver
706937679Spread spectrum clocking tolerant receivers
716931237Communication device
726926288Electromagnetic interference filter
736904112Method for modulating a basic clock signal for digital circuits and clock modulator for implementing the method
746898420Method and apparatus for avoiding spurious signal receiver desensitizing
756895046System and method of providing a spread spectrum pulse width modulator clock
766894982Wireless communication terminal and method of controlling operation clock for processing transmitting/receiving data in the same
776882197Method for generating an output clock-pulse and a corresponding clock-pulse generation circuit
786870437Electro-magnetic interference protection circuit and method for a clock buffer
796850754Information processing apparatus and clock control method

2004

806822499Clock modulating circuit
816819912Variable frequency switching amplifier and method therefor
826804497Partitioned radio-frequency apparatus and associated methods
836798303Clock signal generating device
846768376Dual mode class D amplifiers
856768226Electric circuit shielding
866763254Portable information terminal having wireless communication device
876760568Circuit and method for reducing local oscillator frequency transmission in a radio transceiver
886741660Method for modulation of a basic clock for digital circuits, and a modulator for carrying out the method
896737904Clock circuit, GSM phone, and methods of reducing electromagnetic interference
906735428Wireless communication apparatus
916731713Method and apparatus for reducing RF emission levels in a portable electronic device
926731667Zero-delay buffer circuit for a spread spectrum clock system and method therefor
936728380Adaptive noise suppression system and method
946727773Method of generating a clock, a clock generation device, and electronic apparatuses having a clock generation device
956720943Data interface device
966717485Interference signal decoupling using a board-level EMI shield that adheres to and conforms with printed circuit board component and board surfaces
976711694Apparatus and method for generating a modulated clock signal including harmonics that exhibit a known sideband configuration
986687319Spread spectrum clocking of digital signals
996674809Noise reducing apparatus for minimizing noise in modems
1006674789Reduction of EMI through switching frequency dithering

2003

1016661304Apparatus for reducing electronic wave by using electronic wave as energy source
1026658043Method and apparatus for providing multiple spread spectrum clock generator circuits with overlapping output frequencies
1036657484System and method for decoupling capacitance for an integrated circuit chip
1046650193Oscillator with a noise reduction function, a writer, and a method of controlling a writer
1056647075Digital tuner with optimized clock frequency and integrated parallel CIC filter and local oscillator
1066643317Digital spread spectrum circuit
1076597226Application specific integrated circuit architecture utilizing spread spectrum clock generator module for reducing EMI emissions
1086587670Dual mode class D amplifiers
1096587568Hearing aid and method for operating a hearing aid to suppress electromagnetic disturbance signals
1106581841Apparatus and method for secure information processing
1116580183Electric circuit shielding
1126567654Elimination of spurious signals in double conversion tuner using a dynamic intermediate frequency and a preselected crystal reference frequency
1136564040Communication device and communication method
1146553057Circuit and method for linear control of a spread spectrum transition
1156546235System for cancelling distortion in an electronic circuit
1166522872Up/Down tuner
1176518813Clock generating circuit and semiconductor integrated circuit using the same
1186515230Noise absorber and case for noise absorber

2002

1196501307Spread-spectrum clock buffer/driver that modulates clock period by switching loads
1206496686Mitigation of interference associated to the frequency of the burst in a burst transmitter
1216483880Radio equipment and peripheral apparatus
1226470059Automatic filter for asymmetric digital subscriber line system
1236462436Economical packaging for EMI shields on PCB
1246449319Receiver with a clock signal generator
1256448834Clock generating device
1266442188Phase locked loop
1276437674Ignition apparatus having built-in noise suppression
1286410996Radioshielded assembly
1296404179Noise eliminating apparatus of high-frequency transmission system
1306392461Clock modulator
1316381476Portable radio terminal
1326380852Power shut-off that operates in response to prespecified remote-conditions
1336373909Communications terminal having a receiver and method for removing known interferers from a digitized intermediate frequency signal
1346373674Noise eliminating apparatus of high-frequency transmission system
1356366174Method and apparatus for providing a clock generation circuit for digitally controlled frequency or spread spectrum clocking
1366345175Apparatus and method for preventing beat interference
1376345172Radio system which overcomes signal interference from clock oscillation circuit

2001

1386292507Method and apparatus for compensating a spread spectrum clock generator
1396263449Data processor having radio communication function and method of controlling frequency of clock signals in data processor
1406252313Apparatus and method for minimizing electromagnetic interference in microcomputing systems
1416249876Frequency jittering control for varying the switching frequency of a power supply
1426246335Portable information equipment system and control method thereof
1436240150Method and apparatus for filtering interference in a modem receiver
1446240127Method for reducing interference, and synthesizer arrangement
1456240123Asynchronous spread spectrum clocking
1466218611Self locking radio frequency plug
1476212241Digital modulated signal receiver
1486195244Electronic circuit with a screening case to attenuate high-frequency interference
1496192228Method and apparatus for improving the sensitivity of an RF receiver at certain frequencies
1506169889Method and electronic device using random pulse characteristics in digital signals

2000

1516167103Variable spread spectrum clock
1526151488Multi-tuner receiver for concurrent reception of mutually different signals
1536144277Electric noise absorber
1546134282Method for lowpass filter calibration in a satellite receiver
1556122500Cordless time-duplex phone with improved hearing-aid compatible mode
1566118077Noise absorbing apparatus
1576072125Noise absorbing apparatus
1586064869Suppression of noise between phase lock loops in a selective call receiver and method therefor
1596061554Electromagnetic interference suppressing device
1606052564Portable individual calling device
1616035184Signal processing circuit
1626023023Noise absorbing apparatus
1636014063Method and apparatus for reducing radiated electromagnetic emissions from harmonic frequencies for electronic equipment

1999

1646007480Reduced noise electric endoscope system
1656006071RF communications system operable in the presence of a repetitive interference source and related methods
1665995552Radio equipment and peripheral apparatus
1675970419Portable wireless communications unit and lighting control method thereof
1685970138Terminal equipment for telecommunications and information processing
1695963604Communication signal receiver with sampling frequency control
1705937000Method and apparatus for embedding auxiliary data in a primary data signal
1715929683Clock generator for generating a system clock causing little electromagnetic interference
1725926514Apparatus for clock shifting in an integrated transceiver
1735917812System and method for reducing interference generated by a digital communication device
1745907799Process for operating at least one receiver of radio signals, placed in the vicinity of a radiating facility or apparatus
1755894517High-speed backplane bus with low RF radiation
1765883927Digital wireless telecommunication device for reduced interference with hearing aids
1775883574Arrangement for preventing disturbances in electronic alarm systems
1785857060Noise suppression in PWM-driven DC motor

1998

1795847612Interference-free broadband television tuner
1805842037Interference reduction in TDM-communication/computing devices
1815841202EMI prevention circuit for a car-mounted electronic control unit
1825838877Noise suppression in PWM-driven DC motor
1835822360Method and apparatus for transporting auxiliary data in audio signals
1845812940Reducing interference from oscillators in electronic equipment
1855812936Energy-efficient time-division radio that reduces the induction of baseband interference
1865812590Frequency spreading clock modulation
1875811999Power converter having switching frequency phase locked to system clock
1885781082Power supply filter for preventing noise signal from entering power supply circuit
1895765113Method and apparatus for avoiding desensitization of a radio frequency receiver
1905764125Suppressor case with rocking ferrite
1915757628Stabilized high frequency switching power supply with suppressed EMI noise
1925751823Audio amplifier system with improved isolation between preamplifier and power amplifier
1935745848Method and apparatus for eliminating interference caused by spurious signals in a communication device
1945742900Voltage-variable biased inverting limiter for RFI suppression overview
1955737356Spectral spreading apparatus for reducing electromagnetic radiation from a transmission line used for high data rate communication in a computerized tomography system
1965732329Radio transmitter/receiver
1975731728Digital modulated clock circuit for reducing EMI spectral density
1985717248Cooling and screening device having contact pins for an integrated circuit

1997

1995671220Satellite channel interface in indoor unit used for satellite data communication
2005659339Method and apparatus for reducing electromagnetic interference radiated by flat panel display systems
2015656872Communication cable for reducing electromagnetic wave interference and for use in connecting a computer main body with a monitor
2025649160Noise reduction in integrated circuits and circuit assemblies
2035640697Wideband multiple conversion receiver system with means for avoiding receiver spurs by combined switching of multiple local oscillator frequencies
2045633582Combined signal level meter and leakage detector
2055630224Method and apparatus for avoiding desensitization of a radio frequency receiver
2065604928Portable electronic device with radio communication and controlled computer status

1996

2075577268Radio frequency shield clip suitable for use in a communication device
2085557509Power supply filter system for power supply system for a communications subsystem of a weapons system
2095525943Electromagnetic compatibility filter utilizing inherently formed capacitance
2105513078Shielded switch
2115493210Combined signal level meter and leakage detector

1995

2125471663Expanded microcomputer system for controlling radio frequency interference
2135471660Channel selecting method for radio receiver and highspeed scanning type radio receiver
2145457817Tuner of a double superheterodyne receiver
2155437060Apparatus and method for reducing interference in a communications system
2165430693Radio-controlled timepiece
2175430392Clock system and method for reducing the measured level of unintentional electromagnetic emissions from an electronic device
2185426392Spread clock source for reducing electromagnetic interference generated by digital circuits
2195422919EMI suppression coding
2205412541Specifically configured sheet members or articles for use in improving sound or image quality
2215402056Power supply for a mobile radio transceiver

1994

2225374779Electro-magnetic wave shielding structure
2235373101Electrical interconnect apparatus
2245357570Interface connector mounting structure for wireless terminal device
2255355109Electric noise absorber
2265353200Process transmitter with inner conductive cover for EMI shielding
2275345124Connecting cover for electric fuel pump
2285343184Electric noise absorber
2295335363Signal interference reduction device and method
2305309052Circuit for shielding electro-magnetic wave noise radiated and conducted from wiper motor
2315283807EMI suppression coding
2325276915Transceiver having a divide-down transmit offset scheme

1993

2335264814Electrical noise absorber
2345239127Electrical interconnect apparatus
2355235492Electromagnetic shielding apparatus for cellular telephones
2365230094Method and apparatus for intermediate frequency selection in a heterodyne receiver
2375226058Spread spectrum data processor clock
2385225792Oscillator circuit having means for switching between oscillator configurations
2395212833Microcomputer controlled synthesizer-type radio receiver
2405209195Ignition distributor
2415205751Electrically-conductive elastomeric connector
2425200703Anti-interference filter for a gradient coil in a nuclear magnetic resonance imaging apparatus
2435179362Power line filter

1992

2445155648Device for protecting a direct current electrical power supply from disturbances caused by connecting to it or disconnecting from it an electronic system
2455153539Magnetic core for a signal line filter
2465150282Electromagnetic shielding structure of high-frequency circuit arrangements
2475124889Electromagnetic shielding apparatus for cellular telephones
2485113159Communications transmission system including facilities for suppressing electromagnetic interference
2495105172Monolithically realizable radio frequency bias choke
2505102307Electric fuel pump with radio frequency noise supression
2515095177RF sealed radio housing
2525091707Coaxial cable shield filter
2535084685Microcomputer having an integrated RC oscillator with programmable frequency

1991

2545058172Electromagnetic interference suppressant assembly
2555053924Electromagnetic shield for electrical circuit
2565045653Distribution for internal combustion engine
2575014351Method and apparatus for reducing alternator noise
2584992060Apparataus and method for reducing radio frequency noise
2594984248High speed transceiver

1990

2604972167Electric noise absorber

1989

2614875457Apparatus and method for protecting engine electronics from radio frequency interference
2624845393Radio frequency suppression for fuel pump
2634833585Zone filter
2644811425Apparatus for reducing the effects of local oscillator leakage in mixers employed in zero IF receivers

1988

2654764684Static converter comprising a protective filter against high-frequency disturbanes
2664717989Heat sink, EMI shield and controller module assembly for a portable radio transceiver

1987

2674662001Tunable notch filter for image frequency and conducted local oscillator leakage rejection
2684636918Decoupled integrated circuit package

1986

2694628325Electromagnetic interference suppresion for electrical discharge printers
2704581596Interference suppression filter
2714577258Decoupled integrated circuit package

1985

2724557177Electromechanical actuator
2734542531Radio transmitter/receivers with non interferring local oscillator frequency
2744507796Electronic apparatus having low radio frequency interference from system clock signal
2754502101Decoupled integrated circuit package

1984

2764481426Signal transmitting system having spurious radiation preventing function
2774455638RF Radial choke for use in record playback apparatus
2784449090Charging generator for vehicles

1983

2794403350Interference avoidance electronic system for an automotive vehicle
2804374369Electromagnetic interference elimination filter

1982

2814329733Capacitor combined shield case

1981

2824284057Antiparasitic ignition device for cars
2834268758Arrangement for suppressing high frequency currents in bearings of shafts
2844267528Radio frequency interference suppression apparatus
2854267461Arrangement for suppressing high frequency currents in bearings of shafts

1980

2864241395Non-dissipative DC active filter and transformer
2874223245Magnetron device exhibiting reduced microwave leakage
2884197499Telecontrol message transmission system
2894191155Internal combustion engine ignition noise preventing device

1979

2904178617Suppressor-insulator member and circuit arrangement therefor
2914135066Distributor for internal combustion engine containing apparatus for suppressing noise

1978

2924105007Device for suppressing ignition noise
2934088972Electrical circuit arrangement for filtering motor brush noise
2944081740Vehicle alternator system with noise filter

1977

2954039921Inverter radiation suppression
2964029969Method and device for suppressing noise radio waves in motor vehicle having ignition type engine
2974023070Electrical circuit for audio services

1976

2983939441Structural arrangement for electronic modules
© 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017