| Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426) |
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| 03/22/1989 | EP0307950A2 Cross polarization interference canceller |
| 03/21/1989 | US4814882 Monitor television apparatus |
| 03/21/1989 | CA1251517A1 Internally register-modelled, serially-bussed radio system |
| 03/15/1989 | EP0306942A2 Propagation time detecting system with use of detected phase difference of transmitted and received subcarrier |
| 03/15/1989 | EP0306918A2 Mobile satellite communication system |
| 03/15/1989 | EP0306662A2 Apparatus for skew compensating signals |
| 03/15/1989 | EP0306622A2 Radio network |
| 03/14/1989 | US4813036 Fully interconnected spot beam satellite communication system |
| 03/14/1989 | US4812991 Method for precision dynamic differential positioning |
| 03/08/1989 | EP0305814A2 Method and arrangement for compensating bursts transit-time changes, induced by the Doppler effect, in a TDMA frame |
| 03/08/1989 | EP0305771A2 Digital transmission system with a switching transmultiplexer |
| 03/08/1989 | CN2033963U Communication apparatus appllying between plane and ground |
| 03/07/1989 | US4811421 Transmission power control device in a radio communication transmitting/receiving station |
| 03/07/1989 | US4811420 Initialization of communication channel between a subsciber station and a base station in a subscriber communication system |
| 03/07/1989 | US4811365 Communications system |
| 03/07/1989 | US4811330 Automobile antenna system |
| 03/07/1989 | US4811025 Automotive antenna system |
| 03/07/1989 | US4811021 Dual polarization transmission system |
| 03/07/1989 | US4809935 Satellite continuous coverage constellations |
| 03/07/1989 | CA1250977A1 Cordless telephone |
| 03/07/1989 | CA1250911A1 Spread spectrum adaptive antenna interference canceller |
| 03/07/1989 | CA1250910A1 Asynchronous and non-data decision directed equalizer adjustment |
| 03/01/1989 | EP0304890A2 Earth station capable of effectively using a frequency band of a satellite |
| 02/28/1989 | US4809359 System for extending the effective operational range of an infrared remote control system |
| 02/28/1989 | US4809316 Method for identifying operation modes of an antitheft system |
| 02/28/1989 | US4809315 Cordless telephone system |
| 02/28/1989 | US4809298 Radio data transmission system |
| 02/28/1989 | US4809268 Multipoint data communication with a supervisory system for detecting a malfunctioning remote station |
| 02/28/1989 | CA1250673A1 Subscriber rf telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of rf channels |
| 02/28/1989 | CA1250647A1 Terrestrial communications system |
| 02/22/1989 | CN1031306A Home unit for wireless digital telephone system |
| 02/22/1989 | CN1031305A Base station for wireless digital telephone system |
| 02/21/1989 | US4806942 Automobile TV antenna system |
| 02/21/1989 | US4806938 Integrated self-adaptive array repeater and electronically steered directional transponder |
| 02/21/1989 | US4806906 Data terminal |
| 02/14/1989 | US4805229 Diversity combiner |
| 02/14/1989 | US4805203 Cordless telephone system |
| 02/14/1989 | US4805189 Signal processing system |
| 02/14/1989 | CA1250024A1 Supervisory audio tone detection in a radio channel |
| 02/14/1989 | CA1250022A1 One frequency repeater having interference cancellation capability in a digital radio system |
| 02/08/1989 | EP0302455A2 Booster |
| 02/08/1989 | CN2032379U Double automatic alternation relaying repeater |
| 02/07/1989 | US4803738 Radio communications system with reduced D/U ratio variations |
| 02/07/1989 | US4803703 Apparatus and method for fine synchronization of a communication receiver |
| 02/07/1989 | US4803487 Portable communications receiver with separate information presentation means |
| 02/07/1989 | CA1249874A1 Method for transmitting news services via satellites |
| 01/31/1989 | US4802201 Control system of a radio telephone apparatus |
| 01/31/1989 | US4801945 Low loss dual band satellite antenna feed |
| 01/24/1989 | US4800572 Adapter frequency range equalizer for digital radio relay systems |
| 01/24/1989 | US4800561 Synchronization burst transmit phase control system |
| 01/24/1989 | US4800560 Synchronization control capable of establishing synchronization without transmission of distance information between control and local earth stations |
| 01/18/1989 | EP0299274A1 Self-adaptive apparatus for correcting polarization purity degradation in a hyperfrequency link |
| 01/18/1989 | CN1030506A Telephone transmitter-receiver set capable of operating handset by wireless system |
| 01/17/1989 | US4799252 Digital radio transmission system |
| 01/17/1989 | CA1249082A1 Arrangement for detecting bursts in tdma communications system |
| 01/17/1989 | CA1249053A1 Automobile antenna system |
| 01/17/1989 | CA1249033A1 Satellite-based position determination and message transfer system with monitoring of link quality |
| 01/17/1989 | CA1249031A1 Unit for preventing an interception of a radio communication signal transmitted between a fixed facility and a mobile station |
| 01/11/1989 | EP0298749A2 Cordless telephone system |
| 01/11/1989 | EP0298674A2 Digital Communication Systems |
| 01/11/1989 | EP0298130A1 Method of controlling the connection of cordless telephone equipment |
| 01/11/1989 | CN1030336A Microcellular communications system using macrodiversity |
| 01/10/1989 | US4797947 Microcellular communications system using macrodiversity |
| 01/10/1989 | US4797678 Device for predicting unique word detection positions in a TDMA station by using latest valid detection positions |
| 01/10/1989 | CA1248592A1 Diversity receiving system of in-phase combination type |
| 01/10/1989 | CA1248589A1 Mobile radio telephone |
| 01/04/1989 | EP0297813A2 A vehicle receiving apparatus using a window antenna |
| 01/04/1989 | CN2030397U Radio transmission receiver |
| 01/03/1989 | CA1248220A1 Automobile antenna system |
| 12/28/1988 | EP0297062A1 Method of equalizing the blocking probability in a partitioned cellular mobile radio system |
| 12/28/1988 | EP0296175A1 Method and installation for digital communication, particularly between and toward moving vehicles. |
| 12/28/1988 | CA1247706A Movement monitor |
| 12/28/1988 | CA1247705A Apparatus for transmitting and recording signals |
| 12/27/1988 | US4794649 Radio communication system with power saving disablement prior to call handling processes |
| 12/27/1988 | US4793813 Computer-based education system |
| 12/21/1988 | EP0295678A2 Radio telephone system |
| 12/21/1988 | EP0295620A2 Dual polarization transmission system |
| 12/21/1988 | EP0295295A1 Process for data transmission by means of a geo-stationary satellite and at least one sub-satellite |
| 12/21/1988 | CN88201781U Single acting station language store type same frequency automatic relay system |
| 12/20/1988 | US4792963 Satellite clock system |
| 12/20/1988 | CA1247267A1 Short range radiotelephone system having sets each usable simultaneously by several people |
| 12/15/1988 | WO1988009969A1 Process-to-processor communications protocol for a public service trunking system |
| 12/14/1988 | EP0295227A1 Digital time multiplexed mobile telephony system with an effective utilization of every time frame |
| 12/14/1988 | EP0294413A1 Steerable beam antenna system using butler matrix. |
| 12/07/1988 | EP0293464A1 Process for transmitting and/or evaluating on the receiver side information inside a radio signal. |
| 12/06/1988 | US4789993 One frequency repeater for a digital radio system |
| 12/06/1988 | CA1246153A1 Radio receiver |
| 12/06/1988 | CA1246148A1 Radio system wherein transmission power is varied according to transmission quality |
| 11/30/1988 | EP0292966A2 Digital communication apparatus |
| 11/29/1988 | US4788712 Howler indicator in cordless telephone system |
| 11/29/1988 | US4788549 Automotive antenna system |
| 11/29/1988 | CA1245758A1 Automotive antenna system |
| 11/23/1988 | EP0292182A2 Mobile transmitter/receiver |
| 11/22/1988 | CA1245353A1 Automotive antenna system for diversity reception |
| 11/17/1988 | WO1988009064A1 Microwave absorber attenuator for linear sspa power control |
| 11/17/1988 | EP0290679A1 Device for receiving and processing road information messages |
| 11/17/1988 | EP0290541A1 Hf radio communications system with frequency management. |
| 11/15/1988 | US4785450 Apparatus and method for obtaining frequency agility in digital communication systems |
| 11/15/1988 | US4785306 Dual frequency feed satellite antenna horn |
| 11/15/1988 | CA1244973A1 Multi-direction time division multiplex communication apparatus |