Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426) |
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11/09/1988 | EP0290161A2 Vehicle communication system using roadway loops |
11/08/1988 | US4783844 Apparatus for transmitting and recording signals |
11/08/1988 | US4783843 Split band filter for cellular mobile radio |
11/08/1988 | US4783799 Electronic communications and control system |
11/08/1988 | US4783779 Frequency assignment system in FDMA communication system |
11/03/1988 | WO1988008650A1 Microcellular communications system using macrodiversity |
11/03/1988 | WO1988008649A1 Portable communications receiver with separate information presentation means and improved battery saving function |
11/03/1988 | WO1988008648A1 Method for dynamically allocating data channels on a trunked communication system |
11/03/1988 | DE3713086A1 Communications system with space diversity |
11/02/1988 | EP0289384A1 Method for automatically selecting a directional reception antenna among a plurality of reception antennae |
11/02/1988 | EP0289037A2 Digital demodulation system having independently operating cross-polarization cancellers |
11/02/1988 | EP0288904A2 Microcellular communications system using macrodiversity |
11/01/1988 | CA1244153A1 Method of initially establishing burst acquisition in tdma satellite communications system and arrangement therefor |
11/01/1988 | CA1244090A1 Cryptographic system for direct broadcast satellite network |
10/25/1988 | US4780885 Frequency management system |
10/25/1988 | US4780715 Communication system capable of interruption talk during data transmission |
10/25/1988 | CA1243788A1 Method of implementing burst acquisition control in tdma system |
10/20/1988 | WO1988008140A1 Mobile radio network for nationwide communications |
10/19/1988 | EP0287305A2 Radio communication apparatus including power supply device |
10/19/1988 | EP0286665A1 Device and method for the transmission or storage of information optimising the use of the band-pass. |
10/12/1988 | EP0286614A1 Method and equipment for synchronizing and transmitting information in a radio communication network |
10/12/1988 | EP0286366A2 Space diversity receiving system |
10/11/1988 | US4777657 Computer controlled broadband receiver |
10/11/1988 | US4777655 Control signal receiving system |
10/11/1988 | US4777653 Apparatus for controlling transmission power over a digital radio communication channel |
10/11/1988 | US4777633 Base station for wireless digital telephone system |
10/11/1988 | CA1243079A1 Power control system for satellite communications |
10/04/1988 | US4776035 For use in an adaptive link power control satellite communications network |
10/04/1988 | US4776034 Radio communication system operable in cooperation with a VOX system |
10/04/1988 | US4776032 Repeater for a same frequency with spillover measurement |
10/04/1988 | US4776000 Telephone communications system with portable handsets |
10/04/1988 | US4775974 Multipoint satellite packet communication system |
10/04/1988 | CA1242767A1 Automatic frequency and gain control circuit |
09/29/1988 | DE3813820A1 Radio telecontrol system and method for operating the system |
09/27/1988 | US4774708 Station of a TDMA communication network capable of quickly changing communication traffic without causing an overlap between transmission bursts |
09/27/1988 | US4774707 Random access communication system with scheduled data transmission and asynchronous contention scheduling |
09/27/1988 | US4774705 Switch matrix with acoustic delay for TDMA signal storage on-board a satellite |
09/27/1988 | CA1242537A1 Multiple access communications system |
09/27/1988 | CA1242487A1 Steered-beam satellite communication system |
09/20/1988 | US4773083 In a communication system |
09/20/1988 | CA1242250A1 Signal quality steered diversity |
09/15/1988 | DE3805343A1 Kommunikationsanlage Communication system |
09/14/1988 | EP0282347A2 Low-power multi-function cellular television system |
09/14/1988 | EP0282087A2 Radio channel search system |
09/14/1988 | EP0282028A2 Multiple access communication system |
09/13/1988 | US4771398 Method and apparatus for optical RF phase equalization |
09/13/1988 | US4771397 Method and apparatus for optical RF amplitude equalization |
09/13/1988 | CA1242040A1 Cordless telephone apparatus having means for synchronizing channel scanning of fixed and portable units |
09/13/1988 | CA1242038A1 Scpc communication system including a voice-activated transmission power controller |
09/13/1988 | CA1241998A1 Cross-polarization interference cancellation |
09/08/1988 | DE3706240A1 Method and radio paging system for selectively transmitting calls to mobile subscribers |
09/07/1988 | EP0281308A2 Decision-directed control circuit and method of adjusting decision-directed apparatus |
09/06/1988 | US4769825 Communications transmission system for electromagnetic waves |
09/06/1988 | CA1241782A1 Mf signal transmitting control apparatus/method for use in cordless telephone system |
08/31/1988 | EP0280543A2 Paging system |
08/31/1988 | EP0280319A2 Radio pager receiver capable of readily checking whether or not memory backup is correct |
08/31/1988 | EP0280196A2 Apparatus for managing channels of a radio communication system |
08/31/1988 | EP0279997A2 Apparatus and method for data transmission using two crossed polarisations of an electro-magnetic wave |
08/30/1988 | US4768219 Cordless telephone |
08/30/1988 | US4768187 In a radio communication system |
08/30/1988 | CA1241379A1 Method of monitoring a radio link between a base station and a mobile station |
08/25/1988 | WO1988006387A1 A receiver for communications satellite down-link reception |
08/24/1988 | EP0279080A2 Radio data transmission system |
08/24/1988 | EP0278982A1 Filter interconnection matrix. |
08/23/1988 | US4766600 Characterization of digital radio signals |
08/23/1988 | US4765753 Method and apparatus for handing-over a radio connection from one radio cell to another radio cell of a digital radio transmission system |
08/23/1988 | CA1241066A1 Technique for improving radio system performance during fading |
08/16/1988 | US4764982 Communicating with a mobile vehicle |
08/16/1988 | US4764979 Direct relay equipment |
08/11/1988 | WO1988005981A1 Tdma communications system with adaptive equalization |
08/10/1988 | EP0277380A1 Method for adjusting the delay between TDMA information transmission stations and a system for which the method is carried out |
08/10/1988 | EP0277173A1 Satellite communications system having frequency addressable high gain downlink beams. |
08/09/1988 | US4763325 Demand assigned reformatting with an overflow area for time division multiple access communication |
08/09/1988 | US4763322 Digital radio transmission system with variable duration of the time slots in the time-division multiplex frame |
08/09/1988 | US4763129 SS-TDMA technique telecommunication satellite systems |
08/09/1988 | CA1240422A1 Terminal control device for reference station in tdma satellite communication system |
08/03/1988 | EP0277014A2 Service and entertainment communication system |
08/03/1988 | EP0276932A2 Satellite receiver computer card |
08/03/1988 | CN87100491A Single frequency duplexer communication system |
08/02/1988 | US4761827 Polarity switch for satellite television receiver |
08/02/1988 | US4761826 Signal separating device |
08/02/1988 | US4761822 Burst-mode two-way radio communications system |
08/02/1988 | CA1239995A1 Digital signal repeater including means for controlling a transmitter |
07/28/1988 | WO1988005620A1 Method of controlling the connection of cordless telephone equipment |
07/27/1988 | EP0275751A1 Method and apparatus for the digital transmission of voice signals by way of a radio channel |
07/27/1988 | EP0275527A1 Method for the transmission and/or the use at the reception of additional information within a radio signal |
07/27/1988 | EP0094420B1 Data muting method and apparatus for radio communications systems |
07/20/1988 | EP0275118A2 TDMA system and method capable of individually controlling electric power of bursts |
07/20/1988 | EP0274958A1 Device for compensating the Doppler effect produced by the relative motion between receiver and transmitter, tuned at the same frequency, in a radioreceiver |
07/20/1988 | EP0274857A1 Mobile radio systems |
07/20/1988 | EP0274834A1 Fast sequencing demodulation method and apparatus |
07/20/1988 | EP0274650A1 Bidirectionnel information transmission system between a monitor station on the ground and a mobile station |
07/19/1988 | US4759051 Communications system |
07/19/1988 | US4759036 Decision-directed control circuit |
07/19/1988 | US4759016 TDMA communication system having common local path medium and local time slot for intraoffice calls |
07/14/1988 | WO1988005247A1 System for over-the-air reprogramming of communication receivers |
07/14/1988 | WO1988005231A1 Multiple frequency radio system employing pulse repeaters |
07/14/1988 | WO1988005214A1 Automatic antenna tuning system for portable communication devices |
07/14/1988 | DE3644174A1 Method for transmitting information via satellites |
07/14/1988 | DE3644168A1 Method for data transmission via satellite by means of spread spectra and small ground stations |