| Patents for H04B 15 - Suppression or limitation of noise or interference (10,227) |
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| 11/01/1994 | US5361294 Method and apparatus for noise quieting during resynchronization of a digital communication system |
| 10/26/1994 | CN1094206A Data bus luterface apparatus |
| 10/18/1994 | US5357570 Interface connector mounting structure for wireless terminal device |
| 10/11/1994 | US5355522 Frequency selection method and apparatus |
| 10/11/1994 | US5355512 Uplink null intrusion rejection for satellite communications systems |
| 10/11/1994 | US5355390 Communication apparatus for transmitting and receiving communication signals through common transmission line |
| 10/11/1994 | US5355109 Electric noise absorber |
| 10/06/1994 | DE4311125A1 EMV-Filter für Anlagen, Systeme und geschirmte Räume EMC filter for plants, systems and Shielded Rooms |
| 10/06/1994 | DE4311124A1 Mehrfach-Durchführungskondensator Multiple-through capacitor |
| 10/06/1994 | DE4310860A1 Electromagnetic compatibility (EMC) filter in hybrid technology |
| 10/05/1994 | EP0618684A1 Time division duplex transceiver |
| 10/04/1994 | US5353200 Process transmitter with inner conductive cover for EMI shielding |
| 09/27/1994 | US5351274 Post detection selection combining diversity receivers for mobile and indoor radio channels |
| 09/27/1994 | US5351017 Fixing device for a noise absorber |
| 09/15/1994 | DE4307805A1 RF-screened switching cabinet having a cabinet body and a cabinet door |
| 09/14/1994 | EP0615341A1 Apparatus for rejecting false edges of an input signal |
| 09/08/1994 | DE4306578A1 Method for receiving RF signals using a double heterodyne receiver |
| 09/07/1994 | EP0613599A1 A spread-time code division multiple access technique with arbitrary spectral shaping |
| 09/06/1994 | US5345476 Interference canceller with feedforward transversal filter having switched tap-gain coefficients |
| 09/06/1994 | US5345124 Connecting cover for electric fuel pump |
| 09/01/1994 | WO1994019880A1 Transducer with inner conductive cover for emi shielding |
| 09/01/1994 | WO1994019874A1 Radio frequency shielding method and apparatus |
| 09/01/1994 | DE4305779A1 Compact mains interference suppression filter module |
| 08/31/1994 | EP0613262A1 Optical noise source |
| 08/31/1994 | CN1091562A Method and apparatus for noise quieting during resynchronization of digita communication system |
| 08/30/1994 | US5343184 Electric noise absorber |
| 08/30/1994 | CA1331780C Radio frequency suppression for fuel pump |
| 08/24/1994 | EP0612163A2 Electromagnetic emission reduction apparatus and method for clock pulse distribution system |
| 08/03/1994 | EP0608718A2 Device for reducing stray radiation from flat assemblies |
| 08/02/1994 | US5335363 Signal interference reduction device and method |
| 08/02/1994 | US5335247 Adaptive data rate packet communications system |
| 07/20/1994 | EP0606231A1 Combination liquid crystal display driver and varactor voltage power supply |
| 07/07/1994 | WO1994015430A1 Method and apparatus for noise quieting during resynchronization of a digital communication system |
| 07/07/1994 | CA2150823A1 Method and apparatus for noise quieting during resynchronization of a digital communication system |
| 06/22/1994 | EP0602664A2 Specifically shaped sheet members for improving electromagnetic compatibility |
| 06/22/1994 | CN1088338A Specifically configured sheet members or articles for use in improving sound or image quality |
| 06/16/1994 | DE4242097A1 EM compatibility protection for hybrid components - is provided by chip capacitor filter on ceramic carrier for suppression of direct irradiation and cable-conducted interference |
| 06/16/1994 | DE4241604A1 Rod core choke for interference suppression of domestic machines - has rod core choke winding with different numbers of layers along rod core regions |
| 06/15/1994 | EP0601841A2 Device for reducing electromagnetic interference in recording and/or reproducing apparatus with radio receiving function |
| 06/15/1994 | EP0601655A1 Noise reduction filter |
| 06/07/1994 | US5319799 Signal oscillation method for time-division duplex radio transceiver and apparatus using the same |
| 06/07/1994 | US5319325 S/M enhancer |
| 05/11/1994 | WO1994010770A1 Communication cable for connecting computer and monitor, for purpose of reducing electromagnetic interfering noise |
| 05/11/1994 | EP0596397A1 High frequency power supply |
| 05/10/1994 | US5311557 Circular limiter for use in a receiver to reduce the effects of signal distortion |
| 05/05/1994 | CA2109235A1 Filtered, high-frequency power supply circuit, particularly for combination with a fluorescent lamp, especially a compact fluorescent lamp |
| 05/03/1994 | US5309052 Circuit for shielding electro-magnetic wave noise radiated and conducted from wiper motor |
| 04/28/1994 | WO1994009583A1 Emi suppression coding |
| 04/27/1994 | EP0594325A2 Adaptive data rate packet communications system |
| 04/27/1994 | EP0398929B1 Radio frequency suppression for fuel pump |
| 04/24/1994 | CA2103744A1 Adaptive data rate packet communications system |
| 04/12/1994 | US5303228 A far-end echo canceller with a digital filter for simulating a far end echo containing a frequency offset |
| 03/23/1994 | EP0588526A1 A method of and system for noise suppression |
| 03/23/1994 | CN2159632Y Electromagnetic interruption filter |
| 03/15/1994 | US5295166 Start-up range neutron monitor system |
| 03/03/1994 | WO1994005091A1 Distribution line carrier transmission system |
| 03/03/1994 | DE4228480A1 DC supply stage for communications appts. - includes LC filter using triode circuit acting as impedance to reduce energy loss |
| 03/01/1994 | US5291172 Noise absorber |
| 02/15/1994 | US5287066 Crosstalk reduction circuit for crosspoint matrix |
| 02/01/1994 | US5283807 Communication system |
| 01/27/1994 | DE4221608C1 DC voltage converter suppressor - has active suppressor filter fitted between supply connections and input connections of converter and incorporates linear regulator transistor |
| 01/26/1994 | EP0580301A2 Circular limiter |
| 01/18/1994 | US5280257 Filter insert for connectors and cable |
| 01/06/1994 | WO1994000931A1 Frequency selection method and apparatus |
| 01/05/1994 | EP0577071A2 Filter insert for connectors and cable |
| 01/04/1994 | US5276915 Transceiver having a divide-down transmit offset scheme |
| 01/04/1994 | US5275371 Absorber tuning block retainer apparatus |
| 12/28/1993 | US5274667 Adaptive data rate packet communications system |
| 12/23/1993 | DE4234362C1 Electrical suppression coil with tension restraint - is provided by bead at component end of each terminal wire enclosed by shrink-fit sleeve |
| 12/22/1993 | EP0574509A1 Signal processing apparatus |
| 12/15/1993 | EP0573785A1 Current supply circuit for radio equipment |
| 12/14/1993 | US5271056 Electromagnetic interference shielding construction in a radio telephone |
| 12/14/1993 | US5271037 In a line terminating device in a communications system |
| 12/07/1993 | US5268961 Error control apparatus for a digital video signal processing system |
| 12/02/1993 | DE4217425A1 Assembly carrier used to construct electronic circuits - comprising conducting pathways of resistance material to electrically connect individual electrical assemblies to carrier |
| 11/23/1993 | US5264814 Electrical noise absorber |
| 10/28/1993 | WO1993021692A1 Random access in mobile telephone systems |
| 10/28/1993 | WO1993015567A3 Shielding means for a radio-controlled craft |
| 10/28/1993 | CA2111000A1 Random access in mobile telephone systems |
| 10/21/1993 | DE4218748C1 Transmission circuitry for rectangular signals over long transmission path - has pair of twisted conductors respectively coupled at input end to collector and emitter of output transistor of optical coupler receiving signal, and conductors coupled at output by respective ohmic resistors |
| 10/13/1993 | EP0565507A2 Power control for random access call set-up in a mobile telephone system |
| 10/13/1993 | EP0565104A2 Interference canceller with feedforward transversal filter having switched tap-gain coefficients |
| 10/13/1993 | EP0398908B1 Electronic appliance |
| 09/30/1993 | DE4210032A1 Interference suppression jacket for ignition distributor cap - is screwed to underpart when pins of ignition leads are gripped in sleeve-shaped elements under elastic individual covers |
| 09/28/1993 | US5249199 Method and apparatus for reducing spurious noise levels in an audio system |
| 09/23/1993 | DE4208439A1 Component testing system using HF electrical field - forms antenna as coaxial cable line with outer conductor connected to HF source or detector and inner to screened room |
| 09/22/1993 | EP0561257A1 Circuit arrangement for bridging momentary voltage drops in battery supplied radio devices |
| 09/15/1993 | EP0560591A1 Uplink antenna beam nulling in satellite communications for interference rejection |
| 09/07/1993 | US5243127 Noise absorber |
| 09/07/1993 | CA1322041C Apparatus and method for protecting engine electronics from radio frequency interference |
| 08/25/1993 | EP0556992A1 Noise attenuation system |
| 08/24/1993 | US5239127 Electrical interconnect apparatus |
| 08/22/1993 | WO1993017537A1 Electrically-conductive elastomeric connector |
| 08/19/1993 | WO1993016534A1 Frequency sharing in multiple radiotelephone systems |
| 08/11/1993 | CN1075237A Frequency sharing in multiple readiotelephone systems |
| 08/10/1993 | US5235492 Electromagnetic shielding apparatus for cellular telephones |
| 08/05/1993 | WO1993015567A2 Shielding means for a radio-controlled craft |
| 08/05/1993 | DE4302650A1 Electrical noise current absorber for antenna cable of electronic equipment - comprises two-part hinged casing whose closure compresses resilient pointed grippers into contact with enclosed conductor |
| 08/04/1993 | EP0553862A2 Portable electronic device having a radio transmit-receive unit and a computer unit |
| 07/29/1993 | DE4300705A1 Portable telephone with conducting plate under antenna - has high signal=to=noise ratio due to prevention of interference signal with pseudo-ground-plane |