| Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426) |
|---|
| 07/21/1987 | US4682368 Mobile radio data communication system using a speech recognition technique |
| 07/21/1987 | US4682350 Equipment for wireless telephone transmission |
| 07/15/1987 | EP0228786A2 Radio signal interference cancellation system |
| 07/15/1987 | EP0228709A2 Satellite communication system with random multiple access and time slot reservation |
| 07/15/1987 | CN86100008A A device using additional channel of broadcast band for transmitting electric load control signal, etc. |
| 07/14/1987 | US4680772 Digital signal repeater including means for controlling a transmitter |
| 07/14/1987 | US4680749 Duplex radio transceiver having improved data/tone and audio modulation architecture |
| 07/14/1987 | CA1224284A1 Domestic satellite communication system |
| 07/07/1987 | US4679244 Method of transmitting terminating call signals within a restricted duration and a base station and a portable unit for use in the same |
| 07/07/1987 | CA1223990A1 Portable telephone id code transfer system |
| 07/07/1987 | CA1223925A1 Cross-polarization interference cancellation arrangement for digital radio channels |
| 07/01/1987 | EP0227458A2 Diversity receiver |
| 07/01/1987 | EP0227393A2 Radio repeater with spillover measurement |
| 07/01/1987 | EP0227341A2 Time division multiple access communications terminal |
| 07/01/1987 | EP0227148A1 A method of sharing duplex channels in an automatic channel selection system and an automatic channel selection system in which this method is applied |
| 07/01/1987 | EP0227099A2 Station of a TDMA communication network capable of quickly changing communication traffic without causing an overlap between transmission bursts |
| 07/01/1987 | EP0227015A2 Diversity receiving system of In-Phase Combination Type |
| 07/01/1987 | EP0226610A1 Installation with portable, wireless telephone sets. |
| 07/01/1987 | EP0226609A1 Improvement to ss-tdma technique telecommunication satellite systems |
| 06/30/1987 | US4677687 Method of establishing communication relay between mobile unit and land site and booster used therefor |
| 06/30/1987 | US4677440 Passive, frequency-steerable, microwave repeater system |
| 06/23/1987 | US4675880 Antimultipath communication by injecting tone into null in signal spectrum |
| 06/23/1987 | US4675863 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels |
| 06/23/1987 | US4675732 Satellite/hybrid television system |
| 06/23/1987 | CA1223378A1 Multiple-access communications system |
| 06/23/1987 | CA1223308A1 Automatic gain control circuit |
| 06/16/1987 | US4673861 Battery charger/remote control for portable radio devices |
| 06/10/1987 | CN86107133A Multi-level power amplifying circuitry for portable radio transceivers |
| 06/09/1987 | US4672656 Method for establishing a radio connection |
| 06/09/1987 | US4672655 Method for establishing a connection with a mobile subscriber and system for implementing the method |
| 06/09/1987 | US4672631 Radio receiver with variable phase shift correction |
| 06/09/1987 | US4672608 Multiple access communications system |
| 06/04/1987 | WO1987003441A1 Power control system for satellite communications |
| 06/04/1987 | DE3622010A1 Device for signal transmission with magnetic field, an elimination of the directional effects of the transmitting and receiving coil, usable in the case of uninterrupted information flow |
| 06/02/1987 | US4670906 Data communications system transmitter selection method and apparatus |
| 06/02/1987 | US4670889 Frequency control for point to multipoint radio |
| 06/02/1987 | US4670885 Spread spectrum adaptive antenna interference canceller |
| 05/27/1987 | EP0223337A2 Cordless telephone |
| 05/26/1987 | US4669096 Differential data line selector |
| 05/26/1987 | US4669091 Adaptive multipath distortion equalizer |
| 05/20/1987 | EP0222308A2 Radio communication system having means for avoiding signal collision |
| 05/20/1987 | EP0222076A2 Method for transmitting speech and data |
| 05/20/1987 | CN86105925A Transmission method and receiver of digital signal packet on the great capacity of transmission path, especially satellite transmission path |
| 05/19/1987 | US4667334 System for broadcasting data packets originating from different sources |
| 05/19/1987 | US4667202 Mobile radio network |
| 05/14/1987 | DE3539698A1 Method for transmission of information via radio |
| 05/13/1987 | EP0221476A2 Television interference-compensation apparatus for phase and amplitude compensation |
| 05/13/1987 | EP0221475A2 An apparatus for cancelling television fading interference |
| 05/13/1987 | EP0207948A4 Internally register-modelled, serially-bussed radio system. |
| 05/12/1987 | US4664518 Secure communication system |
| 05/07/1987 | WO1987002843A1 Multi-level power amplifying circuitry for portable radio transceivers |
| 04/28/1987 | US4661993 Technique for improving radio system performance during fading |
| 04/28/1987 | US4661659 Wireless phone system communicatively combined with a computer |
| 04/23/1987 | WO1987002538A1 Cellular radio telephone enhancement circuit |
| 04/22/1987 | EP0218843A2 Diversity antenna for mobile radio devices |
| 04/22/1987 | EP0218605A1 Signal quality steered diversity |
| 04/21/1987 | US4660196 Digital audio satellite transmission system |
| 04/21/1987 | US4660045 System for compensating polarization errors |
| 04/21/1987 | US4659314 Survey technique for readership of publications |
| 04/21/1987 | CA1220883A1 Base-band equipment for earth stations of a time division multiple access satellite transmission system |
| 04/21/1987 | CA1220832A1 X.21 switching system |
| 04/16/1987 | DE3536169A1 Method for equalising (de-emphasis of) short-wave signals |
| 04/15/1987 | EP0218482A2 Radio telephone system |
| 04/15/1987 | EP0218450A2 Control system of a radio telephone apparatus |
| 04/14/1987 | US4658405 Radio communication system |
| 04/14/1987 | CA1220585A1 Method for establishing a radio circuit |
| 04/14/1987 | CA1220546A1 Homotropic antenna system for portable radio |
| 04/14/1987 | CA1220545A1 Signal quality steered antenna diversity system |
| 04/13/1987 | EP0204813A4 Duplex interconnect/dispatch trunked radio system. |
| 04/09/1987 | WO1987002191A1 Steered-beam satellite communication system |
| 04/09/1987 | WO1987002145A1 Pointing compensation system for spacecraft instruments |
| 04/08/1987 | EP0217475A1 Receiver including a multipath transmission detector |
| 04/08/1987 | EP0217330A2 Line switching circuit for cordless telephone |
| 04/08/1987 | EP0217042A1 Information transmission system for electromagnetic waves |
| 04/08/1987 | CN85107315A Satellite-based position determination and message transfer system with monitoring of link quality |
| 04/07/1987 | US4656653 Cordless telephone apparatus having means for synchronizing channel scanning of fixed and portable units |
| 04/07/1987 | US4656630 Automatic gain control circuit |
| 04/07/1987 | US4656619 Supervising and controlling system for a communication station in a TDMA communication system |
| 04/07/1987 | CA1220290A1 Power saving system for time-division multiple access radiocommunication network |
| 04/01/1987 | EP0216141A2 Combined cross polarization interference cancellation and intersymbol interference equalization for terrestrial digital radio systems |
| 03/31/1987 | US4654867 Cellular voice and data radiotelephone system |
| 03/31/1987 | CA1219915A1 Wide area coverage radio communications system and method |
| 03/25/1987 | EP0215479A2 One frequency repeater for a digital radio system |
| 03/24/1987 | US4653053 Performance monitoring of antijam satellite communication network |
| 03/24/1987 | US4653049 Multidirection multiplex communication systems |
| 03/24/1987 | CA1219640A1 Circuit arrangement comprising a voltage-controlled oscillator operable with different sensitivities |
| 03/24/1987 | CA1219639A1 Apparatus and method for reducing telephone channel power loading |
| 03/24/1987 | CA1219638A1 Method and apparatus for dynamically selecting transmitters for communications between a primary station and remote stations of a data communications system |
| 03/18/1987 | EP0214810A2 Radio telephone system control apparatus |
| 03/18/1987 | EP0214806A2 Portable radio |
| 03/18/1987 | EP0214170A1 Telephone installation with short range radio transmissions comprising sets each simultaneously usable by a plurality of persons |
| 03/18/1987 | EP0114890B1 Method and apparatus for measuring the strength of a radio frequency signal |
| 03/18/1987 | CN85106503A Single channel carrier wave communication system with transmiting power controller driven by voice |
| 03/17/1987 | US4651330 Multipoint data communications |
| 03/17/1987 | US4651154 Digital NAVSTAR receiver |
| 03/12/1987 | WO1987001537A1 Method for dynamically regrouping subscribers on a communications system |
| 03/12/1987 | WO1987001535A1 Radio data transmission system |
| 03/11/1987 | EP0213780A2 Burst-mode two-way communications system |
| 03/11/1987 | EP0213640A2 Demand assigned reformatting with an overflow area for time division multiple access communication |
| 03/11/1987 | EP0213355A1 Tetrahedral multi-satellite continuous-coverage constellation |