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)
12/1998
12/17/1998WO1998057452A1 Method and apparatus for canceling signals in a spread-spectrum communication system
12/15/1998US5850114 Device for improving the quality of audio and/or video signals
12/08/1998US5848357 Method and apparatus in a radio communication system for implementing a frequency reuse plan
12/08/1998US5848108 Selective filtering for co-channel interference reduction
12/08/1998US5847612 Interference-free broadband television tuner
12/03/1998WO1998054813A1 Filter for a pair of data communication lines
12/02/1998EP0880827A1 Digital wireless speaker system
11/1998
11/25/1998EP0880311A1 Electromagnetic field shielding device
11/24/1998US5842115 Time-duplex wireless telephone with improved hearing-aid compatibility
11/24/1998US5842037 Interference reduction in TDM-communication/computing devices
11/24/1998US5841322 Phase detector using carrier suppression and oscillator using the phase detector
11/24/1998US5841202 EMI prevention circuit for a car-mounted electronic control unit
11/19/1998WO1998052308A1 Electromagnetic interference suppressing device
11/19/1998DE19818748A1 TV tuner for incorporation in car navigation system using e.g. GPS
11/19/1998CA2289995A1 Electromagnetic interference suppressing device
11/18/1998EP0878928A1 Wireless TDMA transmitter with reduced interference
11/18/1998EP0878067A1 Self-interference cancellation for two-party relayed communication
11/18/1998EP0761042A4 Method and apparatus for mitigating interference in a communication system
11/17/1998US5838877 Noise suppression in PWM-driven DC motor
11/15/1998CA2237460A1 Adaptive multiple sub-band common-mode rfi suppression
11/15/1998CA2205686A1 Adaptive multiple sub-band common-mode rfi suppression
11/11/1998EP0877387A2 Delay device
11/11/1998EP0876734A1 Cordless time-duplex phone with improved hearing-aid compatible mode
11/11/1998EP0876717A1 Time-duplex wireless telephone with improved hearing-aid compatibility
11/04/1998CN1198275A Method and apparatus for transporting auxiliary data in audio signals
11/03/1998US5832387 Adaptive power allocating method and apparatus for multicarrier transmission system
11/03/1998US5832370 Current mode transceiver circuit and method
11/03/1998US5832024 Digital wireless speaker system
11/03/1998CA2138553C Control system for periodic disturbances
10/1998
10/21/1998EP0872166A1 Arrangement and method for reduction of magnetic fields and use thereof
10/20/1998US5825827 Dynamically compensated linear regulator for pulsed transmitters
10/20/1998US5825259 Termination for two or more differential transmission lines
10/13/1998US5822360 Method and apparatus for transporting auxiliary data in audio signals
10/08/1998WO1998044648A1 Apparatus and method for reducing magnetic fields in radio telephones
10/08/1998WO1998044644A1 Method and apparatus in a radio communication system for implementing a frequency reuse plan
10/08/1998DE19713449A1 Noise suppression filter for electromagnetic interference
10/07/1998EP0869587A2 Contact pair configuration for compensating cross-talk
10/07/1998CN1195435A Method and apparatus for mitigating effects of interference in wireless communication system
10/06/1998US5819165 System for regulating the power output of and linearizing the transmission signal from a radio transmitter
10/06/1998US5818871 Method for providing service and rate negotiation in a mobile communication sytstem
10/06/1998US5818672 Ground loop current suppressor
09/1998
09/24/1998WO1998042092A2 Improved channel spacing for distortion reduction
09/22/1998US5812955 Base station which relays cellular verification signals via a telephone wire network to verify a cellular radio telephone
09/22/1998US5812940 Reducing interference from oscillators in electronic equipment
09/22/1998US5812936 Energy-efficient time-division radio that reduces the induction of baseband interference
09/22/1998US5812595 Waveform shaping circuit for a multiplexed information bus transmitter
09/22/1998US5812590 Frequency spreading clock modulation
09/22/1998US5811999 Power converter having switching frequency phase locked to system clock
09/16/1998EP0864164A1 Current-compensated radio interference suppression reactor with increased leakage inductance
09/16/1998CN1193448A Multiple user base stations and methods for their operation method
09/11/1998WO1998039884A2 Technique for clock shifting in an integrated transceiver
09/11/1998WO1998039209A2 Sound reduction method and system for jet engines
09/11/1998CA2282744A1 Sound reduction method and system for jet engines
09/09/1998EP0862812A2 Dynamically compensated linear regulator for pulsed transmitters
09/05/1998CA2229967A1 Arrangement of contact pairs for compensation of near-end crosstalk
09/03/1998WO1998027504A3 Method and apparatus for embedding auxiliary data in a primary data signal
09/02/1998EP0861522A2 Method and apparatus for producing a deterministic sequence from an iir filter
09/02/1998CN1192305A Self-interference cancellation for two-party relayed communication
08/1998
08/19/1998EP0859483A2 Device for improving the quality of audio and/or video signals
08/13/1998WO1998035461A1 Method of interleaving a convolutionally coded signal in a spread spectrum communication system
08/12/1998EP0750792B1 Cooling and screening device for an integrated circuit
08/12/1998CN1190320A Device for improving quality of audio and/or video signals
08/11/1998US5794199 Method and system for improved discontinuous speech transmission
08/11/1998US5793988 Parallel data transfer system and method utilizing different modulating waveforms
08/11/1998US5793800 Method and apparatus for minimizing phase error in a transmitter section of a transceiver
08/05/1998EP0856953A2 Noise resistant communication system for vehicle
08/05/1998CN1189727A Radio transmission method for digital multimedia data signals between subscriber station in local network
08/05/1998CN1189721A Vehicle communicating device
07/1998
07/29/1998CN1189266A Method, device, DSP and modem for efficient echo canceler phase roll tracking
07/29/1998CN1189076A Telephone holding apparatus
07/29/1998CN1188971A Suppressor case with rocking ferrite
07/28/1998US5787352 System and method for management of neighbor-channel interference with power control and directed channel assignment
07/23/1998WO1998032233A2 Multi-tuner receiver
07/22/1998EP0727130B1 Radio personal communications system
07/21/1998US5784241 Electromagnetic-noise protection circuit
07/15/1998EP0853400A2 Radio transmission method for digital multimedia data signals between subscriber stations in a local network
07/15/1998CN1187914A Dynamically compensated linear regulator for pulsed transmitters
07/14/1998US5781742 Data transfer system interconnecting a computer and a display device
07/14/1998US5781082 Power supply filter for preventing noise signal from entering power supply circuit
07/09/1998WO1998012810A3 Method and apparatus for producing a deterministic sequence from an iir filter
07/09/1998DE19650264A1 Analogue filter circuit for use in PAM data receiver system
07/08/1998EP0852086A1 Method and apparatus for transporting auxiliary data in audio signals
07/08/1998EP0792568A4 Noise cancellation apparatus
07/07/1998US5778030 Method and apparatus for power control in a communication system
07/07/1998US5777400 Shielded computer network switch
07/02/1998WO1998028868A1 Method and apparatus for variably allocating upstream and downstream communication spectra
07/02/1998WO1998028726A1 Circuit arrangement for interference-free signal evaluation
07/02/1998CA2274715A1 Method and apparatus for variably allocating upstream and downstream communication spectra
06/1998
06/30/1998US5774504 Equalization and decoding for digital communication channel
06/25/1998WO1998027504A2 Method and apparatus for embedding auxiliary data in a primary data signal
06/25/1998DE19654329A1 Schaltungsanordnung zur störungsfreien Auswertung von Signalen Circuit arrangement for trouble-free evaluation of signals
06/25/1998CA2273993A1 Method and apparatus for embedding auxiliary data in a primary data signal
06/23/1998US5771453 Multiple user base stations and methods for radio personal communications systems
06/23/1998US5769785 Signal processing apparatus and method
06/23/1998CA2224957A1 Device for improving the quality of audio and/or video signals
06/18/1998WO1998026525A1 Portable radio telephone equipment and control thereof
06/17/1998EP0847899A1 A phone holder
06/17/1998CN1185247A Full duplex ultrawide-band communication system and method
06/11/1998WO1998025443A1 Electronic circuit with a screening case to attenuate high-frequency interference
06/11/1998WO1998025362A1 Method and system for optimizing a traffic channel in a wireless communications system
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