| Patents for H04B 7 - Radio transmission systems, i.e. using radiation field (186,426) |
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| 11/10/1987 | CA1229156A1 Method of and a system for remote control of electronic equipments |
| 11/10/1987 | CA1229133A1 Radio relay method and its apparatus for digital communication |
| 11/05/1987 | WO1987006735A1 Method and apparatus for optical rf phase equalization |
| 11/05/1987 | WO1987006734A1 Method and apparatus for optical rf amplitude equalization |
| 11/05/1987 | DE3615014A1 Device for transmitting data signals and/or speech signals between an aircraft-towing vehicle and the aircraft being towed |
| 11/04/1987 | EP0243899A2 Battery-saving method for a cordless telephone system |
| 11/04/1987 | EP0243885A2 Method and apparatus for setting up a short wave radio network communication |
| 11/03/1987 | US4704735 System and method for automatic remote activation of an earth-based satellite transmitter |
| 11/03/1987 | US4704734 Method and apparatus for signal strength measurement and antenna selection in cellular radiotelephone systems |
| 11/03/1987 | US4704733 Cell enhancer for cellular radio telephone system having diversity function |
| 10/27/1987 | US4703479 Multi-direction time division multiplex communication apparatus |
| 10/27/1987 | US4703327 Interrogator/receiver system for use with a remote transponder |
| 10/27/1987 | US4703324 System identification in communications system |
| 10/27/1987 | EP0209527A4 Method of communications between register-modelled radio devices. |
| 10/22/1987 | WO1987006410A1 Method and apparatus for precision surveying using broadcast satellite signals |
| 10/21/1987 | EP0241954A2 Digital radio transmission system and mobile radio subscriber device for such a digital radio transmission system. |
| 10/21/1987 | EP0241793A2 Method and circuit arrangement for receiving radio waves using a plurality of antennae |
| 10/21/1987 | EP0241565A1 Method for determining the sojourn cell of a mobile station in a mobile radio network |
| 10/20/1987 | US4701935 One frequency repeater for a digital microwave radio system with cancellation of transmitter-to-receiver interference |
| 10/19/1987 | EP0210181A4 Dispatch trunked radio system. |
| 10/14/1987 | EP0241229A2 A fast assignment technique for use in a switching arrangement |
| 10/13/1987 | US4700374 Mobile telephone location system |
| 10/13/1987 | US4700366 Method for the reception and detection of digital signals |
| 10/13/1987 | CA1228124A1 Interference wave detection circuit for use in radio receiver |
| 10/13/1987 | CA1228121A1 Paging system capable of having a plurality of encryptors and receiver therefor |
| 10/08/1987 | WO1987006082A1 Method and apparatus for controlling a tdm communication device |
| 10/08/1987 | EP0218605A4 Signal quality steered diversity. |
| 10/07/1987 | EP0240073A2 Method and control circuit for the selection of a service channel in a mobile radio station |
| 10/06/1987 | US4698769 Supervisory audio tone detection in a radio channel |
| 10/06/1987 | CA1227845A1 Multipoint data communications |
| 10/06/1987 | CA1227844A1 Communications network having a single node and a plurality of outstations |
| 10/06/1987 | CA1227834A1 Satellite communications system for computer networks |
| 09/30/1987 | EP0239467A1 Transmission power control apparatus in a radio communication transmitter-receiver station |
| 09/30/1987 | EP0239393A2 Intermittently driven transmitter |
| 09/30/1987 | EP0239093A2 Multiple access radio telephone system selectively operating on full-duplex and half-duplex modes |
| 09/30/1987 | EP0238880A2 Mobile station and a mobile radio communication network in which electric power is saved without reduction of an activity ratio of radio communication channels |
| 09/29/1987 | US4697260 Method of and arrangement for transmitting messages in a digital radio transmission system |
| 09/29/1987 | US4697188 Interference canceler with difference beam |
| 09/29/1987 | US4697187 Precipitation loss compensation and disablement for avoidance of satellite transponder overloading |
| 09/29/1987 | CA1227540A1 Method of transmitting terminating call signals within a restricted duration and a base station and a portable unit for use in the same |
| 09/23/1987 | EP0238000A2 Regenerative and switching telecommunications transponder module with FDMA/TDM conversion functions |
| 09/23/1987 | EP0237999A2 Monochannel multiservice terminal satellite telecommunications system |
| 09/23/1987 | EP0237972A2 Synchronization control capable of establishing synchronization without transmission of distance information between control and local earth stations |
| 09/23/1987 | EP0237807A2 Information transmission method and uses |
| 09/22/1987 | US4696058 Diversity receiver |
| 09/22/1987 | US4696057 CN ratio measurement circuit |
| 09/22/1987 | US4696053 Antenna alignment system and method |
| 09/22/1987 | US4696051 Simulcast transmission system having automtic synchronization |
| 09/22/1987 | US4696027 Handoff apparatus and method with interference reduction for a radio system |
| 09/22/1987 | US4695972 Correlator having spurious signal cancellation circuitry |
| 09/16/1987 | EP0237287A2 Transversal equaliser arrangements |
| 09/16/1987 | EP0237009A2 Satellite communication system using quasi-stationary orbits |
| 09/16/1987 | EP0236968A2 Method of digital signal transmission in a mobile radio system |
| 09/16/1987 | EP0236759A2 Radio communications system with reduced interference |
| 09/15/1987 | CA1226979A1 Receive data processing device for tdma satellite communications network |
| 09/09/1987 | EP0236180A1 Telephonic communication system with a portable hand set |
| 09/09/1987 | EP0235300A1 Radio data transmission system |
| 09/09/1987 | EP0235195A1 Method for dynamically regrouping subscribers on a communications system |
| 09/08/1987 | US4692945 Dispatch trunked radio system |
| 09/08/1987 | US4691882 Co-operative satellites |
| 09/08/1987 | CA1226689A1 Method for establishing a telephone connection between a stationary and a mobile subscriber |
| 09/08/1987 | CA1226626A2 Radio communications systems having overlapping receiver coverage zones |
| 09/08/1987 | CA1226625A2 Dynamic selection of transmitters in data communication system |
| 09/02/1987 | EP0233963A1 Digital mobile radio system |
| 09/01/1987 | US4691377 Automatic frequency and gain control circuit |
| 09/01/1987 | US4691352 Arrangement for deciphering and decoding television pictures encoded in accordance with the MAC standard and scrambled at transmission by submitting the video signals to cyclic permutations |
| 09/01/1987 | US4691338 Line switching circuit for cordless telephone |
| 09/01/1987 | US4691313 Wireless talking apparatus |
| 09/01/1987 | US4691236 Receiver device in a satellite communication system |
| 09/01/1987 | CA1226347A1 Selective fading protection system |
| 08/27/1987 | WO1987005169A1 Signal processing system |
| 08/26/1987 | EP0233563A2 Satellite system for global telecommunication feed and/or position evaluation |
| 08/25/1987 | US4689812 Cordless telephone |
| 08/25/1987 | US4689787 Method of initially establishing burst acquisition in TDMA satellite communications system and arrangement therefor |
| 08/25/1987 | US4689625 Satellite communications system and method therefor |
| 08/25/1987 | CA1226082A1 Synchronizing burst transmission phase control system |
| 08/25/1987 | CA1226039A1 Method and apparatus for communicating variable length messages between a primary station and remote stations of a data communications system |
| 08/19/1987 | CN86103844A Antenna diversity reception system for eliminating interference |
| 08/18/1987 | US4688259 Reconfigurable multiplexer |
| 08/18/1987 | US4688250 Apparatus and method for effecting a key change via a cryptographically protected link |
| 08/18/1987 | US4688235 Cross-polarization interference canceller |
| 08/18/1987 | US4688217 Method of implementing burst acquisition control in TDMA system |
| 08/18/1987 | US4688216 Station relief arrangement for use in relieving operation of a reference station in a TDMA network without reduction of frame availability |
| 08/18/1987 | US4688213 Asynchronous random access communication system with collision resolution based on time of arrival |
| 08/12/1987 | EP0231866A2 Data terminal |
| 08/12/1987 | EP0231575A1 Survey technique for readership of publications |
| 08/12/1987 | EP0231487A2 Car radio with nonrecursive digital filter-shaped equalizer |
| 08/12/1987 | EP0231259A1 Nationwide radio paging system. |
| 08/11/1987 | US4686673 For use in a satellite communication system |
| 08/11/1987 | US4686672 TDMA communications apparatus having adaptive burst duration |
| 08/05/1987 | EP0230691A1 Transmitter power control apparatus for microwave link |
| 08/04/1987 | US4685149 Meteor scatter burst communication system |
| 08/04/1987 | US4685131 Program blocking method for use in direct broadcast satellite system |
| 08/04/1987 | US4684941 Method of communications between register-modelled radio devices |
| 08/04/1987 | CA1225122A1 Apparatus for controlling transmission output power |
| 07/29/1987 | EP0230066A1 A method for decoding data transmitted along a data channel, and an apparatus for executing the method |
| 07/28/1987 | US4683566 Digital radio communication system |
| 07/28/1987 | CA1224849A1 Communication receiving unit for the suppression of noise and interference signals |
| 07/28/1987 | CA1224848A1 Self-calibrating signal strength detector |
| 07/22/1987 | CN86207134U Synchronous frequency retransmission unit for television set |