Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › H04B 15 - Suppression or limitation of noise or interference
Patents for H04B 15 - Suppression or limitation of noise or interference (10,227)
10/2003
10/08/2003EP1350331A2 Digital interface in radio-frequency apparatus and associated methods
10/08/2003CN2579091Y Customer device for data test by utilizing array processing
10/08/2003CN1447541A Method for detecting impulse interference in digital signal transmission
10/07/2003US6631168 Generating matrices to be used for the random orthogonal transformation of blocks of data in a transmission chain
10/02/2003WO2003081869A1 Adaptive rfi canceller for dsl
10/02/2003WO2003081830A2 Xdsl multi-hybrid modem with power spectral density shaping
10/02/2003US20030186713 Radio communication system, and apparatus, method, and computer program for said radio communication system
10/02/2003US20030185192 Transmit processing using receiver functions
10/01/2003EP1349290A1 Apparatus and method for reducing magnetic fields in radio telephones
10/01/2003EP1080463B1 Signal noise reduction by spectral subtraction using spectrum dependent exponential gain function averaging
10/01/2003CN1445752A Method and device for channel and additivity noise joint compensation in characteristic field
10/01/2003CN1122971C Communication terminal, disturbancing suppression device of suppressing distrubance singal and its method
09/2003
09/30/2003US6628721 Simplified differential signaling
09/25/2003WO2003079562A2 Method and apparatus for reducing emi in digital display devices
09/25/2003DE10233318C1 Interference suppression device for electronic apparatus uses capacitor connected between plug element for apparatus circuit and housing potential
09/24/2003EP1247340B1 Low-power signal driver with low harmonic content
09/23/2003US6624536 Electromagnetic noise reducing device, noise reducing electronic component and electronic appliance manufacturing method
09/18/2003US20030174126 Method and apparatus utilizing direct digital synthesizer and spread spectrum techniques for reducing EMI in digital display devices
09/17/2003EP1345209A2 Method and apparatus for feature domain joint channel and additive noise compensation
09/17/2003EP1344339A1 Multiple access frequency hopping network with interference avoidance
09/16/2003US6622117 EM algorithm for convolutive independent component analysis (CICA)
09/12/2003WO2003003788A3 Supplemental audio content system with wireless communication for a cinema and related methods
09/11/2003US20030169838 EMI reduction using tunable delay lines
09/11/2003US20030169122 Apparatus for reducing electronic wave by using electronic wave as energy source
09/11/2003US20030169086 Zero-delay buffer circuit for a spread spectrum clock system and method therefor
09/04/2003US20030167152 Testing linearity of methods of chemical analysis
09/03/2003EP1341355A2 Phase noise elimination for high-frequency communication
09/03/2003CN1440150A Multiple access interference restraining method based on interference estimation
09/03/2003CN1440137A Suppression pulse interference device via power line communication systems
09/03/2003CN1120619C 多调谐器接收机 Multi-tuner receivers
09/03/2003CN1120473C Noise suppressor circuit and associated method for suppressing periodic interference component portions of communication signal
09/03/2003CN1119973C Radiation shielding device for high speed data communication in computer tomographic X-ray camera system
09/02/2003US6615149 Spectral diagnostics in a magnetic flow meter
09/02/2003US6614840 Equalizer with phase-locked loop
09/02/2003CA2105682C Signal processing apparatus and method
08/2003
08/28/2003US20030163748 System having a spread-spectrum clock for further suppression of electromagnetic emissions in network devices communicating via a network bus
08/26/2003US6611775 Electrode leakage diagnostics in a magnetic flow meter
08/26/2003US6611770 Liquid conduction indication in a magnetic flowmeter
08/21/2003WO2003069813A1 System having a spread spectrum clock for further suppression of electromagnetic emissions in network devices communicating via a network bus
08/21/2003US20030158711 Method for automatically releasing and placing an order
08/21/2003US20030155987 Interference signal decoupling using a board-level EMI shield that adheres to and conforms with printed circuit board component and board surfaces
08/20/2003CN1118973C High-resolution clock reconstruction used in mobile communication equipment
08/20/2003CN1118968C Method and system for optimizing business channel in wireless communication system
08/14/2003WO2003067379A2 Method and system of reducing electromagnetic interference emissions
08/12/2003US6605929 Power supply noise sensor
08/07/2003US20030148753 System and method for creating a note related to a phone call
08/06/2003EP1333593A1 Power line transmission technical
08/06/2003EP1333581A1 Clock signal generator
08/06/2003EP1332571A1 Portable electronic device
08/06/2003CN1434576A Improved communication scheme suppressing leakage electromagnetic fields
07/2003
07/31/2003WO2003063323A1 Device for suppressing the radio-interference of an electric commutator
07/31/2003WO2003040852A3 Concept for compensating external disturbance variables on physical functional parameters in integrated circuits
07/31/2003US20030141937 Clock signal generating device
07/30/2003CN1433160A Method of compensating drift of transmission signal reference line and relevant circuit
07/30/2003CN1432990A Data transmission device and method
07/30/2003CN1116736C Double-side band pilot technology for distorted control system generated from reducing circuit
07/29/2003US6600771 Spread spectrum phase modulation for suppression of electromagnetic interference in parallel data channels
07/24/2003WO2003061061A1 Emc-arrangement for a device employing wireless data transfer
07/24/2003US20030137405 Communication scheme suppressing leakage electromagnetic fields
07/23/2003EP1252796B1 System and method for dual microphone signal noise reduction using spectral subtraction
07/23/2003EP0760954B1 Phase noise detector
07/23/2003CN1431788A Method by using signal transmission dynamic analysis to assist analysis of circuit cross talk
07/23/2003CN1115926C Multiple user base stations and methods for their operation method
07/23/2003CN1115823C Radio transmission method for digital multimedia data signals between subscriber station in local network
07/22/2003US6597484 Two-way combination optical system unit
07/22/2003US6597226 Application specific integrated circuit architecture utilizing spread spectrum clock generator module for reducing EMI emissions
07/17/2003WO2003059024A2 Circuits with improved power supply rejection
07/17/2003WO2003058874A1 Spread spectrum clocking tolerant receivers
07/17/2003US20030132926 Apparatus and method for data transmission
07/16/2003EP1328069A2 EMC-arrangement for a device employing wireless data transfer
07/16/2003CN1430429A Interference reducing method of frequency dirision duplex and time dirision duplex multi carrier adjacent frequency time
07/16/2003CN1430354A Method for suppressing phase noise by transmission parameter signallings
07/15/2003US6594613 Adjustable bandwidth filter for process variable transmitter
07/15/2003US6594304 Adaptive configurable class-A/class-B transmit DAC for transceiver emission and power consumption control
07/10/2003US20030130825 Averaging trace function with indexing by a process signal
07/10/2003US20030130017 Printed circuit board including EMI reducing circuits, an information processing apparatus having the board and a method to select the circuits
07/09/2003EP1325576A1 Spread spectrum communication system utilizing differential code shift keying
07/09/2003CN1428948A Upward signal transmitting and receiving method in high-speed data access system
07/09/2003CN1114181C Circuit arrangement for interference-free signal evaluation
07/03/2003WO2003055088A1 Receiver
07/03/2003US20030125912 Interference reduction by step function removal
07/03/2003US20030125006 Communication device
07/03/2003US20030122727 High-frequency communication apparatus and method of manufacturing the same
07/03/2003US20030121985 Transponder, especially for a contactless chip card
07/02/2003CN1427550A Apparatus and method for reducing magnetic field strength of radio telephone
07/02/2003CN1113550C Portable information equipment system and control method thereof
07/02/2003CN1113493C Electronic circuits having noise eliminating element
07/01/2003US6587814 Method and apparatus for improving resolution in spectrometers processing output steps from non-ideal signal sources
07/01/2003US6587670 Dual mode class D amplifiers
07/01/2003US6587568 Hearing aid and method for operating a hearing aid to suppress electromagnetic disturbance signals
07/01/2003US6587259 System and method for controlling noise figure
06/2003
06/26/2003US20030118137 Spread spectrum clocking tolerant receivers
06/26/2003US20030118080 Advanced spread spectrum clock generation technique for EMI reduction of multiple clock sources
06/24/2003US6581841 Apparatus and method for secure information processing
06/18/2003CN1424869A Method for eliminating noise and its disturbance by printing circuit board ground wiring
06/18/2003CN1111987C Method and apparatus for power control in communication system
06/17/2003US6580931 Printed circuit board including EMI reducing circuits, an information processing apparatus having the board and a method to select the circuits
06/17/2003US6580395 High-frequency communication apparatus and method of manufacturing the same
06/17/2003US6580183 Electric circuit shielding
06/12/2003WO2003049303A1 Rf receivers and methods therefor
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