| Patents for H04B 15 - Suppression or limitation of noise or interference (10,227) |
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| 11/04/1997 | US5684340 Arrangement for preventing electromagnetic interference |
| 10/30/1997 | WO1997040608A1 Digital radio frequency interference canceller |
| 10/30/1997 | WO1997040587A1 Radio frequency noise canceller |
| 10/30/1997 | CA2251946A1 Digital radio frequency interference canceller |
| 10/29/1997 | EP0803997A2 A method and arrangement for producing a clock frequency in a radio device |
| 10/23/1997 | WO1997039537A1 System and method for reducing interference generated by a digital communication device |
| 10/23/1997 | DE19639921A1 Endoscopic video camera with screened image sensor and scan control |
| 10/23/1997 | CA2251830A1 System and method for reducing interference generated by a digital communication device |
| 10/22/1997 | EP0801851A1 Damped emi input filter for power factor correction circuits |
| 10/22/1997 | EP0707763A4 Reduction of background noise for speech enhancement |
| 10/16/1997 | DE19615994A1 Electronic device for processing and/or transmission of signals via printed circuit board |
| 10/08/1997 | CN1161609A Frequency spreading clock modulation |
| 10/02/1997 | WO1997036379A1 Device in a motor vehicle for transmitting signals produced by a sensor |
| 10/01/1997 | EP0798885A2 Circuit for coupling an analog transmission line to a digital transmission line |
| 10/01/1997 | EP0797873A2 Method and apparatus for increasing receiver immunity to interference |
| 10/01/1997 | CN1160953A Saturationproof circuit for receiver |
| 10/01/1997 | CN1160951A Method and apparatus for eliminating interference caused by spurious signals in communication device |
| 09/30/1997 | US5673325 Noise cancellation apparatus |
| 09/30/1997 | US5673290 ADSL compatible discrete multi-tone apparatus |
| 09/23/1997 | US5671220 Satellite channel interface in indoor unit used for satellite data communication |
| 09/18/1997 | WO1997034372A1 Method and apparatus for power control in a communication system |
| 09/18/1997 | WO1997034363A1 Switching controller |
| 09/18/1997 | WO1997034290A1 Noise suppressor circuit and associated method for suppressing periodic interference component portions of a communication signal |
| 09/18/1997 | DE19609634A1 Schaltregler Switching Regulators |
| 09/13/1997 | CA2199797A1 Data transmitter-receiver |
| 09/10/1997 | EP0794612A1 Method of operation for a radio receiver operated close to an interfering apparatus |
| 09/03/1997 | EP0792568A1 Noise cancellation apparatus |
| 08/27/1997 | EP0792020A1 Electromagnetic-noise protection circuit |
| 08/27/1997 | EP0700609B1 Interference suppressor apparatus |
| 08/27/1997 | CN1158187A Phased array spread spectrum system and method |
| 08/26/1997 | CA2098934C Circular limiter |
| 08/24/1997 | CA2196957A1 Electromagnetic-noise protection circuit |
| 08/21/1997 | WO1997019432A3 Dynamically compensated linear regulator for pulsed transmitters |
| 08/19/1997 | US5659622 Method and apparatus for suppressing noise in a communication system |
| 08/19/1997 | US5659572 Phased array spread spectrum system and method |
| 08/19/1997 | US5659339 Method and apparatus for reducing electromagnetic interference radiated by flat panel display systems |
| 08/19/1997 | US5659273 Line termination for multiple differential transmission lines |
| 08/14/1997 | WO1997029550A1 Digital wireless speaker system |
| 08/14/1997 | WO1997023068A3 An adaptive noise cancelling arrangement, a noise reduction system and a transceiver |
| 08/14/1997 | CA2244191A1 Digital wireless speaker system |
| 08/12/1997 | US5656872 Communication cable for reducing electromagnetic wave interference and for use in connecting a computer main body with a monitor |
| 08/08/1997 | CA2196469A1 Undesirable energy suppression in a contention based communication network |
| 07/31/1997 | WO1997027712A1 Cordless time-duplex phone with improved hearing-aid compatible mode |
| 07/31/1997 | WO1997027682A1 Time-duplex wireless telephone with improved hearing-aid compatibility |
| 07/31/1997 | CA2242873A1 Cordless time-duplex phone with improved hearing-aid compatible mode |
| 07/30/1997 | EP0786760A2 Speech coding |
| 07/30/1997 | CA2194535A1 Hysteresis-free anti-saturation circuit |
| 07/15/1997 | US5649160 Data processing apparatus |
| 07/08/1997 | US5646962 Apparatus for reducing electromagnetic radiation from a differentially driven transmission line used for high data rate communication in a computerized tomography system |
| 07/08/1997 | US5646498 Conducted emission radiation suppression in inverter drives |
| 07/02/1997 | EP0782361A2 System and method for management of neighbor-channel interference with power control and directed channel assignment |
| 06/26/1997 | WO1997023068A2 An adaptive noise cancelling arrangement, a noise reduction system and a transceiver |
| 06/24/1997 | US5642416 AM broadcast band interference filter for line-powered telephone |
| 06/19/1997 | DE19547195A1 Miniature internal/external electronic hearing aid |
| 06/17/1997 | US5640697 Wideband multiple conversion receiver system with means for avoiding receiver spurs by combined switching of multiple local oscillator frequencies |
| 06/11/1997 | EP0778683A2 Terminal equipment for telecommunications and information processing |
| 06/10/1997 | US5638412 Method for providing service and rate negotiation in a mobile communication system |
| 06/05/1997 | DE19649433A1 Electromagnetic coupling screening arrangement for HF devices |
| 05/29/1997 | WO1997019432A2 Dynamically compensated linear regulator for pulsed transmitters |
| 05/27/1997 | US5633889 Phased array spread spectrum system and method |
| 05/27/1997 | US5633582 Combined signal level meter and leakage detector |
| 05/22/1997 | DE19542685A1 Radio interference filter for electronically controlled apparatus |
| 05/21/1997 | EP0774187A1 Electromagnetic interference isolator |
| 05/14/1997 | WO1997018647A1 Method and apparatus for suppressing noise in a communication system |
| 05/14/1997 | EP0772915A1 An arrangement for preventing disturbances in electronic alarm systems |
| 05/14/1997 | EP0553252B1 Co-channel interference reduction system for digital high definition television |
| 05/13/1997 | US5630224 Method and apparatus for avoiding desensitization of a radio frequency receiver |
| 05/07/1997 | DE19611503C1 Device for transferring signals generated by passive sensors |
| 05/07/1997 | CN1149360A Improved ADSL compatible Discrete multi-tone apparatus |
| 05/06/1997 | US5628058 Transceiver circuit module having electromagnetically-isolated transmitting and receiving circuit sections |
| 05/02/1997 | EP0771085A2 Method and system for transmitting radio electrical signals via a satellite network between a fixed earth station and mobile user terminals |
| 04/24/1997 | DE19538851A1 Electromagnetic interference reduction filter |
| 04/16/1997 | EP0767976A1 Phased array spread spectrum system and method |
| 04/08/1997 | US5619515 On-vehicle electronic apparatus |
| 04/02/1997 | EP0765176A1 Device for controlling oscillating electromagnetic fields, in particular radio waves |
| 03/27/1997 | WO1997011533A1 A directional acoustic signal processor and method therefor |
| 03/26/1997 | EP0765043A2 An energy-efficient time-division radio that reduces the induction of baseband interference |
| 03/26/1997 | EP0765042A2 A time-division radio that induces reduced baseband interference |
| 03/26/1997 | EP0764995A1 Microwave shielding structures |
| 03/19/1997 | EP0763298A1 Vehicle communications network transceiver, ground translation circuit therefor |
| 03/19/1997 | EP0763279A1 High speed transport system |
| 03/13/1997 | WO1997009797A1 Method and apparatus for transporting auxiliary data in audio signals |
| 03/13/1997 | CA2231239A1 Method and apparatus for transporting auxiliary data in audio signals |
| 03/12/1997 | EP0762697A2 Driver and receiver circuit for data communication device |
| 03/12/1997 | EP0761042A1 Method and apparatus for mitigating interference in a communication system |
| 03/12/1997 | EP0760954A1 Phase noise detector |
| 03/04/1997 | US5608757 High speed transport system |
| 02/18/1997 | US5604928 Portable electronic device with radio communication and controlled computer status |
| 02/13/1997 | WO1997005716A1 Noise suppression in pwm-driven dc motor |
| 02/13/1997 | WO1997005711A1 Self-interference cancellation for two-party relayed communication |
| 02/13/1997 | CA2227143A1 Self-interference cancellation for two-party relayed communication |
| 02/12/1997 | EP0758161A2 Conducted emission radiation suppression in inverter drives |
| 02/11/1997 | US5603103 Radio telephone with compliant shield and method |
| 02/05/1997 | CN1142307A Secure radio personal communications system and method |
| 01/29/1997 | EP0755601A1 Improved adsl compatible discrete multi-tone apparatus |
| 01/22/1997 | CN1141102A Method and apparatus for mitigating interference in a communication system |
| 01/21/1997 | US5596439 Self-interference cancellation for two-party relayed communication |
| 01/21/1997 | CA2065913C Multi-channel active acoustic attenuation system |
| 01/16/1997 | WO1997001948A1 Arrangement and method for reduction of magnetic fields and use thereof |
| 01/03/1997 | WO1997000589A1 Multiple user base stations and methods for their operation |