Patents
Patents for H04B 15 - Suppression or limitation of noise or interference (10,227)
06/2003
06/12/2003US20030108098 Pulse width modulated controller
06/12/2003US20030107025 Using magnetic layer
06/05/2003WO2003025608A3 Device for suppressing electromagnetic coupling phenomena
06/05/2003US20030104799 RF receivers and methods therefor
06/05/2003US20030102536 Device for shielding transmission lines from ground or power supply
06/04/2003EP1125410A4 Method and apparatus for reducing emi emissions
06/04/2003CN1110906C Selective filter for co-channel interference reduction
05/2003
05/29/2003US20030100280 System and method for reducing the effects of clock harmonic frequencies
05/29/2003US20030100275 Metal enclosure for portable electronic device and method for making same
05/29/2003US20030100268 Radio communication system
05/28/2003EP1314256A2 Circuits and methods for reducing interference from switched mode circuits
05/28/2003EP1060550B1 A bushing
05/27/2003US6570864 Integrated receiving apparatus of subtractive interference cancellation receiver and adaptive MMSE receiver
05/22/2003WO2003043236A1 Array processing for linear system solutions
05/22/2003WO2003043218A1 Radio communication system
05/22/2003US20030097049 Signal processing apparatus and method
05/22/2003US20030096537 Digital filter adaptor
05/22/2003CA2466684A1 Array processing for linear system solutions
05/21/2003EP1312165A1 Method for generating an output clock-pulse and a corresponding clock-pulse generation circuit
05/21/2003CN1419794A System and method for dual microphone signal noise reduction using spectral subtraction
05/21/2003CN1419287A Device for shielding transmission line to ground or power supply
05/20/2003US6567654 Elimination of spurious signals in double conversion tuner using a dynamic intermediate frequency and a preselected crystal reference frequency
05/20/2003US6566974 Connection structure for noise reduction impedance element, noise reduction impedance element positioning method, and recording medium having noise reduction impedance element positioning program recorded therein
05/19/2003CA2409115A1 Digital filter adaptor
05/15/2003WO2003041269A1 Variable frequency switching amplifier and method therefor
05/15/2003WO2003040852A2 Concept for compensating external disturbance variables on physical functional parameters in integrated circuits
05/15/2003US20030091007 User equipment and base station performing data detection using a scalar array
05/14/2003EP1310995A2 Device for shielding the signal lines by the ground or power lines
05/14/2003CN1418403A Adjustable spread spectrum clock generator and method thereof
05/13/2003US6564040 Communication device and communication method
05/13/2003US6563860 Base station having a set of phased array antennas
05/13/2003CA2274065C Method and system for optimizing a traffic channel in a wireless communications system
05/08/2003WO2003039045A2 Method and apparatus for providing multiple spread spectrum clock generator circuits with overlapping output frequencies
05/08/2003US20030088388 Unit converting apparatus
05/08/2003US20030088384 Chemical substance classification apparatus, chemical substance classification method, and program
05/08/2003US20030087621 Variable frequency switching amplifier and method therefor
05/08/2003US20030086575 Method and apparatus for noise filtering
05/08/2003US20030086514 Dynamic digital communication system control
05/07/2003CN1416557A Transponder, esp. for contactless chip card
05/07/2003CN1108017C Direct conversion receiver and method of receiving data
05/06/2003US6559748 Electric noise absorber
05/02/2003EP1262023A4 Method and apparatus for providing a clock generation circuit for digitally controlled frequency or spread spectrum clocking
05/01/2003WO2003036892A1 Device and method for suppressing periodic interference signals
05/01/2003US20030083850 Locating regions in a target image using color matching, luminance pattern matching and hue plane pattern matching
05/01/2003US20030083849 Statistical sampling process
05/01/2003US20030083032 Apparatus and method for noise reduction
05/01/2003US20030083025 Electronic apparatus having radio transmitter
05/01/2003US20030081658 Channel code decoding for the CDMA forward link
05/01/2003US20030081653 Method and apparatus for providing multiple spread spectrum clock generator circuits with overlapping output frequencies
05/01/2003US20030080792 Systems and methods for minimizing harmonic interference
05/01/2003US20030080628 Electric circuit shielding
05/01/2003US20030080627 Electric circuit shielding
04/2003
04/30/2003CN1415139A System and method for noise cuppression in communication signal
04/30/2003CN1415137A Zero-delay buffer circuit for spread spectrum clock system and method
04/29/2003US6556968 Data terminal with speech recognition function and speech recognition system
04/24/2003WO2003034287A1 Workflow mining system and method
04/24/2003WO2003021972A8 Multi-user detection
04/24/2003US20030078005 Apparatus and methods for noise suppression in communications systems
04/23/2003EP1214870B1 Double sided gasket
04/23/2003CN1413387A Communication terminal having receiver and method for removing known interferers from digitized intermediate frequency signal
04/23/2003CN1413383A Low-power signal driver with low harmonic content
04/22/2003US6553239 Low power, short range point-to-multipoint communications system
04/22/2003US6553057 Circuit and method for linear control of a spread spectrum transition
04/22/2003US6552446 Method and device for electric supply in a mobile apparatus
04/17/2003US20030072387 Method and apparatus for reducing EMI emissions
04/16/2003EP1303094A2 Noise canceling method and apparatus
04/15/2003US6549581 Transmitter and method to cancel interference in OFDM communication
04/10/2003WO2003030379A1 Module for transmitting and/or receiving radio data
04/09/2003EP1301017A1 Mobile communication device with electrostatic discharge protection
04/09/2003CN1409536A Mobile communication equipment with static discharging protection
04/09/2003CN1105428C apparatus and method for reducing magnetic field density in radiotelephone
04/09/2003CN1105423C Apparatus in radio communication system for implementing frequency reuse plan
04/08/2003US6546235 System for cancelling distortion in an electronic circuit
04/03/2003US20030063690 DC offset reduction in radio-frequency apparatus and associated methods
04/03/2003US20030062885 Method and apparatus for removing noise spikes
04/03/2003CA2359445A1 Universal narrow-band emi filter
04/02/2003EP1298807A1 Module for transmitting and/or receiving radio data
04/02/2003EP0894364B1 Radio frequency noise canceller
03/2003
03/28/2003CA2405322A1 Channel code decoding for the cdma forward link
03/27/2003WO2003026127A1 Unobtrusive removal of periodic noise
03/27/2003WO2003025608A2 Device for suppressing electromagnetic coupling phenomena
03/27/2003US20030058973 Adaptive pulse frame rate frequency control for digital amplifier systems
03/27/2003US20030057948 Device for suppressing electromagnetic coupling phenomena
03/27/2003DE20202003U1 Ground decoupling between model receiver and a battery distributor
03/26/2003CN1406076A Frequency optimizing method
03/26/2003CN1104162C Cordless time-duplex phone with improved hearing-aid compatible mode
03/25/2003US6539202 Interference canceling device
03/20/2003WO2003024005A1 Generation of a phase locked loop output signal having reduced spurious spectral components
03/20/2003US20030053640 Unobtrusive removal of periodic noise
03/19/2003EP0843919A4 Method and apparatus for mitigating the effects of interference in a wireless communication system
03/13/2003WO2003021972A2 Multi-user detection
03/13/2003WO2002078201A3 Shield for high-frequency transmitter/receiver systems of electronic devices, especially of devices for wireless telecommunication
03/13/2003US20030051082 Noise reducing method for radio portable terminal
03/13/2003US20030050030 Generation of a phase locked loop output signal having reduced spurious spectral components
03/13/2003US20030047338 Radio wave absorber
03/06/2003WO2002056488A3 Digital interface in radio-frequency apparatus and associated methods
03/06/2003WO2002056487A3 Partitioned radio-frequency apparatus and associated methods
03/06/2003US20030046038 EM algorithm for convolutive independent component analysis (CICA)
03/06/2003US20030043933 Phase modulation power spreading used to reduce RF or microwave transmitter output power spur levels
03/04/2003US6530087 Cable network system with ingress noise suppressing function
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