Patents
Patents for H04B 15 - Suppression or limitation of noise or interference (10,227)
07/2002
07/18/2002US20020094017 Method for improving multipath searcher speed
07/17/2002EP1223681A1 Local oscillation signal supply method and circuit therefor
07/16/2002US6421374 Method for providing service and rate negotiation in a mobile communication system
07/11/2002WO2002054693A1 Automatic filter for assymetric digital subscriber line system
07/09/2002US6418159 Portable radio telephone equipment and control thereof
07/04/2002US20020086639 Air interface frame structure for environments with bursted interference
07/04/2002US20020085626 Automatic filter for asymmetric digital subscriber line system
07/03/2002EP0763279B1 High speed transport system
07/02/2002US6415136 Method of minimizing interference between devices which communicate in overlapping communication bands
06/2002
06/27/2002WO2001080447A3 Wireless interface for electronic devices located in enclosed spaces
06/27/2002US20020080863 Adaptive generalized matched filter rake receiver system and method
06/27/2002US20020080858 Base station having a set of phased array antennas
06/26/2002EP1217498A2 Clock with variable frequency control
06/26/2002EP1216526A1 Reduction of emi through switching frequency dithering
06/26/2002EP1216504A1 Spectrum modeling
06/26/2002CN1086871C Phased array spread spectrum system and method
06/26/2002CN1086867C 信号处理电路 The signal processing circuit
06/25/2002US6411647 Fully integrated ethernet transmitter architecture with interpolating filtering
06/25/2002US6410996 Radioshielded assembly
06/20/2002WO2002049230A1 Interference suppression method, in reception, of a radio signal transmitted in spread-spectrum band
06/20/2002WO2002049205A2 Audio output stage for a mobile telephone
06/20/2002US20020075946 Method and apparatus for searching multipaths of mobile communication system
06/20/2002US20020075941 Multiple access frequency hopping network with interference anticipation
06/19/2002EP1214870A1 Double sided gasket
06/19/2002CN1354910A Noise management technique for switched voltage supply
06/19/2002CN1354616A Preventive oscillating circuit
06/18/2002US6408166 Method for controlling gain of transmission signal
06/13/2002US20020073436 Tuner
06/13/2002DE10065072C1 Clock source for generation of system clock uses randomly controlled phase modulation for reduction of noise
06/12/2002EP1212829A1 Method and apparatus for automatically compensating a spread spectrum clock generator
06/12/2002CN1086265C Method and system for providing service and negotiation in mobile communication system
06/11/2002US6404830 Digital radio frequency interference canceller
06/11/2002US6404179 Noise eliminating apparatus of high-frequency transmission system
06/11/2002US6402560 Communication connector with crosstalk compensation
06/05/2002EP1211815A2 Oscillation prevention circuit
06/05/2002EP1210818A1 Method for transmitting data on viewable portion of a video signal
06/05/2002EP1062735B1 Electronic device for data radio transmission and electronic card equipped with same
06/05/2002EP0740859B1 Electrostatic discharge circuit for high speed, high voltage circuitry
06/04/2002US6400756 Phased array spread spectrum receiver
06/04/2002US6399903 Multifunctional laminate structure and process
05/2002
05/30/2002WO2002043460A1 Radio wave absorber
05/30/2002WO2002043459A1 Radio-wave absorber
05/30/2002WO2001090704A3 Electrical leakage diagnostics in a magnetic flow meter
05/30/2002WO2001089086A8 Spectrum modeling
05/30/2002US20020064234 Noise canceling method and apparatus
05/29/2002EP1051816B1 Device for transmitting signals with low-interference
05/29/2002CN2494081Y Noise eliminating device for telephone set
05/23/2002US20020061732 Oscillation prevention circuit
05/23/2002US20020061102 Telecommunications apparatus and plug-in unit for same
05/23/2002US20020061053 Apparatus and method of circular group-wise parallel interference cancellation for multi-rate DS-CDMA system
05/22/2002EP1206832A1 Method and apparatus for improving resolution in spectrometers processing output steps from non-ideal signal sources
05/21/2002US6392461 Clock modulator
05/21/2002CA2363193A1 Oscillation prevention circuit
05/16/2002WO2001090701A3 Conduction indication in a magnetic flowmeter
05/16/2002DE10047101A1 High frequency screening housing for electronics is in form of hinged box section
05/15/2002CN1084972C Method and apparatus for eliminating interference caused by spurious signals in communication
05/14/2002US6389391 Voice coding and decoding in mobile communication equipment
05/14/2002US6389077 Adaptively configurable class-A/class-B transmit DAC for transceiver emission and power consumption control
05/10/2002WO2002037705A1 Method and device for mitigating the effects of quarter-wave shorts caused by branched wiring
05/08/2002DE10052906A1 Tragbares elektronisches Gerät A portable electronic device
05/08/2002DE10041331A1 Erzeugungsverfahren für einen Ausgabetakt und hiermit korrespondierende Takterzeugungsschaltung Production process for an output clock and hereby corresponding clock generation circuit
05/08/2002CN1084557C Limiting system for mobile telephone and mobile telephone set
05/07/2002US6384589 Reference frequency spur cancellation in synthesized measurement receivers
05/02/2002WO2002035744A1 Portable electronic device
05/02/2002WO2001090702A3 Spectral diagnostics in a magnetic flow meter
05/02/2002US20020052184 Avoidance of interference between items of electrical apparatus
05/02/2002US20020051482 Median weighted tracking for spread-spectrum communications
05/02/2002US20020050871 Connection structure for noise reduction impedance element, noise reduction impedance element positioningmethod, and recording medium having noise reduction impedance element positioning program recorded therein
04/2002
04/30/2002US6381476 Portable radio terminal
04/30/2002US6380852 Power shut-off that operates in response to prespecified remote-conditions
04/25/2002US20020048316 Rach receiving apparatus
04/25/2002DE10050856A1 Arrangement for preventing or limiting propagation of HF interference over electric line carrying DV voltage or DC or low frequency AC voltage or AC, has line joined to line loaded with reference potential via capacitance
04/24/2002CN1346189A Doppler small wave base based self-adaptive coherent interference suppression method
04/23/2002US6377680 Method and apparatus for noise cancellation
04/18/2002WO2001057790A3 Transponder, especially for a contactless chip card
04/18/2002US20020044402 Noise eliminating apparatus of high-frequency transmission system
04/17/2002EP1198066A2 Avoidance of interfernce between items of electrial apparatus
04/16/2002US6374082 RF wireless communication system operating in periodic noise environments
04/16/2002US6373909 Communications terminal having a receiver and method for removing known interferers from a digitized intermediate frequency signal
04/16/2002US6373674 Noise eliminating apparatus of high-frequency transmission system
04/10/2002EP1195039A1 Method and apparatus for synchronizing a database in portable communication devices
04/09/2002US6370182 Integrated beamforming/rake/mud CDMA receiver architecture
04/04/2002WO2001097102A3 Method for automatically releasing and placing an order
04/04/2002US20020039888 Wireless communication device
04/03/2002CN1343407A Clock circuit, GSM phone and methods of reducing electromagnetic interference
04/02/2002US6366174 Method and apparatus for providing a clock generation circuit for digitally controlled frequency or spread spectrum clocking
04/02/2002US6366160 Waveshaper for false edge rejection of an input signal
04/02/2002CA2244852C Communication system comprising lightning protection
03/2002
03/21/2002US20020035449 Model for spectral and chromatographic data
03/21/2002DE10040795A1 Overvoltage protection e.g. for xDSL power drive circuit, has output drive stage protection device protecting drive stage against overvoltages, and LF stage protection device protecting LF stage
03/20/2002CN1081420C Noise-reducing device and method for telephone test machine
03/19/2002US6360369 Interference tolerant modem
03/19/2002US6359224 Bushing
03/13/2002CN1340252A Method and apparatus for transmission with interference suppression
03/07/2002WO2002019551A2 Circuits and methods for reducing interference from switched mode circuits
03/06/2002CN1080512C Frequency two times variable tuner
03/05/2002US6353637 Multistream in-band on-channel systems
03/05/2002US6353628 Apparatus, method and system having reduced power consumption in a multi-carrier wireline environment
03/01/2002CA2324876A1 "co-channel interference detection and reduction at channel frequency re-tuning"
02/2002
02/28/2002WO2002017491A1 Method for generating an output clock-pulse and a corresponding clock-pulse generation circuit
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