| Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426) |
|---|
| 07/13/1988 | EP0274157A1 Modified multi-path detector |
| 07/13/1988 | EP0273923A1 Combined uplink and downlink satellite antenna feed network |
| 07/12/1988 | US4757553 Communication system with portable unit |
| 07/12/1988 | US4757502 Automatic gain control method and circuit for a time division multiple access receiver |
| 07/12/1988 | US4757319 Adaptive depolarization-interference-compensator |
| 07/07/1988 | DE3644087A1 Antenna diversity method |
| 07/05/1988 | US4756023 Diversity reception radio receiver |
| 07/05/1988 | US4755816 Battery saving method for a selective call radio paging receiver |
| 07/04/1988 | EP0264440A4 Method and apparatus for precision dynamic differential positioning. |
| 06/30/1988 | WO1988004866A1 Process for data transmission by means of a geo-stationary satellite and at least one sub-satellite |
| 06/30/1988 | WO1988004862A1 Process for transmitting and/or evaluating on the receiver side information inside a radio signal |
| 06/30/1988 | WO1988004837A1 Steerable beam antenna system using butler matrix |
| 06/29/1988 | EP0272741A2 Circuit arrangement for connection and control in a cordless telephone |
| 06/29/1988 | EP0272510A2 Space diversity device |
| 06/28/1988 | US4754495 Cell enhancer for cellular radio telephone system having bandpass filter arrangement |
| 06/28/1988 | US4754453 Digital radio transmission system with a connection-accompanying organization channel in the time-division multiplex frame |
| 06/28/1988 | CA1238689A1 Handoff apparatus and method with interference reduction for a radio system |
| 06/28/1988 | CA1238688A1 Radio communication system operable in cooperation with a vox system |
| 06/23/1988 | DE3642213A1 Satellite communications system |
| 06/22/1988 | EP0272236A1 Diversity combiner |
| 06/22/1988 | CN87203343U Self-memory and acoustic transmission device for synchronous frequency simplex radio station |
| 06/21/1988 | US4752968 Antenna diversity reception system for eliminating reception interferences |
| 06/21/1988 | US4752967 Power control system for satellite communications |
| 06/21/1988 | US4752949 Corded/cordless telephone |
| 06/21/1988 | US4752941 Diversity receiving system of in-phase combination type |
| 06/21/1988 | US4752925 Two-hop collocated satellite communications system |
| 06/21/1988 | CA1238432A1 Digital radio communication system |
| 06/16/1988 | WO1988004498A1 Duplex data transmission |
| 06/16/1988 | WO1988004495A1 Satellite communications system for mobile users |
| 06/15/1988 | EP0271176A1 Investigating and controlling the pointing direction of an antenna on board a spacecraft |
| 06/15/1988 | EP0271149A2 Troposcatter modem receiver |
| 06/08/1988 | EP0270391A1 Control method for the retransmission of messages from transmitting stations belonging to a cellular system |
| 06/08/1988 | EP0270188A2 Signal diversity installation for mobile reception |
| 06/08/1988 | EP0269723A1 Diversity aerial system. |
| 06/08/1988 | CN87105936A Frequency modulation single channel per carrier oscillator |
| 06/07/1988 | US4750176 Single-channel communication bus system and station for use in such system |
| 06/07/1988 | US4750036 Interactive television and data transmission system |
| 06/07/1988 | US4749998 Antenna device for an automobile |
| 06/07/1988 | CA1237780A1 Radio communications system eith randomly scattered, automatically organizable relay stations |
| 06/02/1988 | WO1988004118A1 Hf radio communications system with frequency management |
| 06/01/1988 | EP0269120A2 TDMA communication system having common time slots for system maintenance |
| 06/01/1988 | EP0268842A1 Adaptive passband equalizer for digital radio relay link systems |
| 05/31/1988 | US4748682 Combined diversity receiving apparatus |
| 05/31/1988 | US4748639 Method for processing data bit signals |
| 05/31/1988 | US4748622 Satellite communication system |
| 05/31/1988 | US4748621 TDMA/TDM interfacing |
| 05/26/1988 | EP0165294A4 Portable telephone id code transfer system. |
| 05/24/1988 | US4747160 Low power multi-function cellular television system |
| 05/24/1988 | US4747123 MF signal transmitting control apparatus/method for use in cordless telephone system |
| 05/24/1988 | US4747101 Method of determining optimal transmission channel in multi-station communications system |
| 05/18/1988 | EP0267280A1 Interactive television and data transmission system. |
| 05/18/1988 | EP0088766B1 Hertzian telecommunication method and device for the implementation thereof |
| 05/17/1988 | US4745599 Random access communication system with contention scheduling of subpacketized data transmissions and scheduled retransmission of unsuccessful subpackets |
| 05/11/1988 | EP0266678A2 Radio telephone apparatus |
| 05/11/1988 | CN87105620A Satellite communication system of using frequency-division multiplex |
| 05/11/1988 | CN87105576A Satellite communication system with integrated transmitter of transmitting down-multibeam |
| 05/11/1988 | CN87105574A Interconnect matrix of filter |
| 05/11/1988 | CN87105572A Satellite communication system with high-gain down-beam of frequency addressing |
| 05/10/1988 | US4744101 Cordless telephone system |
| 05/10/1988 | US4744083 Satellite-based position determining and message transfer system with monitoring of link quality |
| 05/10/1988 | CA1236580A1 Characterisation of digital radio signals |
| 05/05/1988 | WO1988003296A1 System for automated communication for data transmission |
| 05/05/1988 | WO1988003295A1 Control system for data carriers |
| 05/04/1988 | EP0265944A2 Cordless telephone system |
| 05/04/1988 | EP0265943A2 Radio telephone system |
| 05/03/1988 | US4742568 Receiver for antenna switching diversity systems |
| 05/03/1988 | US4742567 Automobile antenna system |
| 05/03/1988 | US4742563 System and method for diversity reception of signals |
| 05/03/1988 | US4742560 Mobile radio unit in cellular wide range mobile communication system |
| 05/03/1988 | US4742530 Radio relay method and its apparatus for digital communication |
| 05/03/1988 | US4742512 Multipoint communication system having polling and reservation schemes |
| 05/03/1988 | CA1236166A1 Method of establishing communication relay between mobile unit and land site |
| 05/03/1988 | CA1236165A1 Dispatch trunked radio system |
| 04/27/1988 | EP0265178A2 Spread spectrum multiple access communication using satellite or terrestrial repeaters |
| 04/27/1988 | EP0264440A1 Method and apparatus for precision dynamic differential positioning. |
| 04/27/1988 | CN87105577A Wave-packet shaping network |
| 04/26/1988 | US4741049 Automatic channel selecting system using shared duplex channels |
| 04/26/1988 | US4741037 System for the transmission of speech through a disturbed transmission path |
| 04/26/1988 | CA1235751A1 One frequency repeater for a digital microwave radio system with cancellation of transmitter-to-receiver interference |
| 04/21/1988 | WO1988002962A1 Device and method for the transmission or storage of information optimising the use of the band-pass |
| 04/19/1988 | US4739510 Direct broadcast satellite signal transmission system |
| 04/19/1988 | US4739498 Arrangement for the automatic reconfiguration of an intact equipment combination |
| 04/13/1988 | EP0263421A2 Multipoint data communication with a supervisory system for detecting a malfunctioning remote station |
| 04/13/1988 | EP0263357A2 Method and circuitry for receiving radio waves |
| 04/12/1988 | US4737928 High accuracy random channel reproducing simulator |
| 04/12/1988 | US4737784 Keyless entry system for automotive vehicle devices with weak-battery alarm |
| 04/12/1988 | CA1235188A1 Radiotelephone transmission power control |
| 04/07/1988 | WO1988001455A3 Filter interconnection matrix |
| 04/06/1988 | EP0262957A2 Dial impulse generating circuit in a radio telephone |
| 04/06/1988 | EP0262803A2 Howler indicator in cordless telephone system |
| 04/06/1988 | EP0262644A2 QAM Demodulator with rapid resynchronization function |
| 04/05/1988 | US4736461 Method of transmitting terminating call signals within a restricted duration and a base station and a portable unit for use in the same |
| 04/05/1988 | US4736455 Interference cancellation system |
| 04/05/1988 | US4736404 Security arrangement for cordless telephone system |
| 04/05/1988 | US4736392 Demodulator for digital FM signals |
| 04/05/1988 | US4736371 Satellite communications system with random multiple access and time slot reservation |
| 04/05/1988 | CA1234938A1 Duplex interconnect/dispatch trunked radio system |
| 04/05/1988 | CA1234875A1 Radio communication system comprising a portable unit carrying out a battery saving operation related to a scanning operation of a fixed unit |
| 03/30/1988 | EP0261600A2 Data communication system having level control means |
| 03/30/1988 | EP0261112A1 Method and apparatus for controlling a tdm communication device. |