| Patents for H04W 88 - Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices (88,366) |
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| 07/25/1991 | WO1991011065A1 Method of and apparatus for controlling modulation of digital signals in frequency-modulated transmissions |
| 07/25/1991 | CA2074169A1 Method of and apparatus for controlling modulation of digital signals in frequency modulated transmissions |
| 07/24/1991 | EP0438137A2 Radio telecommunication apparatus |
| 07/17/1991 | EP0437396A1 Management and control system for different independant apparatus |
| 07/16/1991 | US5032835 Out of range indication for radio receivers |
| 07/11/1991 | WO1991010305A1 Method and device for the synchronization between a base radio station and a mobile radio station in a digital radiomobile system |
| 07/11/1991 | WO1991010300A1 Multiple frequency scanning in a selective call communication system |
| 07/11/1991 | WO1991010292A1 A method and apparatus for battery conservation in a selective call receiver |
| 07/11/1991 | WO1991010282A1 Signal detector and bit synchronizer |
| 07/10/1991 | EP0436518A2 Radiotelephone controller configured for coresident secure and nonsecure modes |
| 07/09/1991 | US5031098 Transaction control system including portable data terminal and mobile customer service station |
| 07/09/1991 | US5030948 Multiple characteristic sensitive addressing schema for a multiple receiver data processing network |
| 07/09/1991 | CA1285995C System for off-the-air reprogramming of communication receivers |
| 07/03/1991 | WO1991010331A1 Time division multiplexed selective call signalling system |
| 07/03/1991 | EP0435664A2 Radio communication apparatus for a selected one of a plurality of terminal units of different kinds |
| 07/03/1991 | EP0435052A2 Automatic new system registration notification |
| 07/02/1991 | US5029234 Mobile |
| 06/27/1991 | WO1991010304A1 Synchronous selective signalling system |
| 06/27/1991 | WO1991010294A1 Paging system employing designated batch information service data message transmission |
| 06/27/1991 | WO1991010293A1 Paging system employing designated frame commencing information service data message transmission |
| 06/27/1991 | WO1991009504A1 Multiple format signalling protocol for a selective call receiver |
| 06/27/1991 | WO1991009484A1 A security circuit for mobile radio telephones as well as a method to be used in connection with the circuit |
| 06/26/1991 | EP0434435A2 Microphone-controller with multifunction single conductor |
| 06/26/1991 | EP0433465A1 Personal communication system |
| 06/26/1991 | EP0433343A1 Improvements in mobile pay telephone system |
| 06/26/1991 | EP0433314A1 Multiple frequency message system |
| 06/21/1991 | WO1991009485A1 Microphone-controller with multifunction, single conductor |
| 06/18/1991 | US5025252 Paging receiver with over-the-air characterization of call signal processing |
| 06/18/1991 | US5025251 Self-tuning direct coupled data limiter of a battery saver type paging receiver |
| 06/15/1991 | WO1991009473A1 Satellite based acknowledge-back paging system |
| 06/13/1991 | WO1991008619A1 On-site communication system having pager identification capability |
| 06/12/1991 | EP0431096A1 Cellular telephone with standard telephone set |
| 06/11/1991 | US5023902 Radio channel unit message and control signal processing architecture |
| 06/06/1991 | DE4038015A1 Selective radio communication system - allocates each subscriber spare value which can replace any other number to act as group calling number |
| 06/04/1991 | US5022024 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels |
| 06/04/1991 | US5021801 Antenna switching system |
| 05/30/1991 | WO1991007838A1 Remote access telephone control system |
| 05/28/1991 | US5020135 Computerized multistandard, field-convertible, multiregional/multiservice, remote controllable, remote programmable mobile two-way radio system with digital serial bus link, built-in programmer and autodiagnostics |
| 05/28/1991 | US5020093 Cellular telephone operable on different cellular telephone systems |
| 05/28/1991 | US5020092 Dual-bandwidth cellular telephone |
| 05/28/1991 | US5020091 Automatic new radiotelephone system registration notification |
| 05/22/1991 | EP0428126A2 Paging signal control system in mobile communication system |
| 05/21/1991 | US5018188 Microphone-controller with multifunction, single conductor |
| 05/16/1991 | WO1991007064A1 Scanning receiver with manual override of frequency scanning routine |
| 05/16/1991 | WO1991007043A1 Improved microcell system for cellular telephone systems |
| 05/16/1991 | WO1991007019A1 Zoned microcell with sector scanning for cellular telephone systems |
| 05/15/1991 | EP0427158A1 Battery saving method for portable pager |
| 05/15/1991 | EP0426966A2 Radio pager and radio pager system |
| 05/02/1991 | WO1991006189A1 Radio receiver with adaptive on-off control |
| 05/02/1991 | WO1991006188A1 Adaptive on-off control for radio receiver |
| 05/02/1991 | EP0424508A1 Dialing features for cellular telephone with standard telephone set |
| 04/30/1991 | US5012235 Paging receiver with continuously tunable antenna and RF amplifier |
| 04/30/1991 | US5012234 User activated memory programming authorization in a selective call receiver |
| 04/30/1991 | CA1283708C Radio pager having local- and wide-area reception modes |
| 04/24/1991 | WO1991006163A1 Central controller with adaptive message handling characteristics |
| 04/24/1991 | EP0424212A1 Radio telephone |
| 04/23/1991 | US5010547 Multiple messaging using a single selective call address |
| 04/23/1991 | US5010330 Paging system employing designated frame commencing information service data message transmission |
| 04/17/1991 | CN1050804A Method for radiotelephone autonomous registration |
| 04/16/1991 | US5008925 Cellular telephone responsive to service availability for operating on different cellular telephone systems |
| 04/16/1991 | US5008864 Portable radio telephone device |
| 04/09/1991 | US5007069 Decoding of signals using cophase and differentiating signal detection |
| 04/09/1991 | CA1282834C Portable communications receiver with separate information presentation means and improved battery saving function |
| 04/04/1991 | WO1991004614A1 A non-contact pager programming system and a pager for use therewith |
| 04/03/1991 | WO1991005413A1 A method for radiotelephone autonomous registration |
| 04/03/1991 | EP0419618A1 Bit synchronizer |
| 03/19/1991 | US5001742 Baseband signal processing unit and method of operating the same |
| 03/19/1991 | US5001471 Paging system employing designated batch information service data message transmission |
| 03/19/1991 | CA1281776C Paging system |
| 03/13/1991 | EP0416872A2 Antenna switching system |
| 03/13/1991 | EP0415979A1 Communication system having a packet structure field. |
| 03/13/1991 | EP0211849B1 Pager system and communication protocol |
| 03/06/1991 | EP0415502A2 Communications system |
| 03/05/1991 | US4998291 Radio telephone apparatus |
| 03/05/1991 | CA1281078C Cellular data telephone system and cellular data telephone therefor |
| 02/27/1991 | EP0413963A2 Radio communication apparatus for rapidly knowing whether the apparatus is within or out of a service area |
| 02/27/1991 | CN1049588A Receiver with variable predetection bandwidth based on expected date rate |
| 02/26/1991 | US4996715 Cellular |
| 02/26/1991 | US4996526 Power conservation method and apparatus for a portion of a synchronous information signal |
| 02/22/1991 | WO1991003037A1 Selective call signalling system |
| 02/20/1991 | EP0413369A1 A portable pager |
| 02/19/1991 | US4995099 Power conservation method and apparatus for a portion of a predetermined signal |
| 02/19/1991 | US4994797 Method and system for user controlled page disposition |
| 02/19/1991 | US4994784 Paging receiver |
| 02/13/1991 | EP0412583A2 Method and apparatus for controlling a TDM communication device |
| 02/13/1991 | EP0412574A2 Antenna for watch pager system |
| 02/12/1991 | CA1280228C Digital radio transmission system |
| 02/07/1991 | WO1991001604A1 Paging message interface and missed message retrieval method |
| 02/07/1991 | CA2064894A1 Paging message interface and missed message retrieval method |
| 02/06/1991 | CN1011561B Base station for wireless digital telephone system |
| 02/05/1991 | US4991197 Method and apparatus for controlling transmission of voice and data signals |
| 01/29/1991 | US4989230 Cellular cordless telephone |
| 01/16/1991 | EP0408086A2 Watch pager system |
| 01/16/1991 | EP0408027A2 Radio communication apparatus in which a particular call can be surely informed to a possessor of the apparatus |
| 01/16/1991 | EP0346406A4 Paging receiver for storing digitized voice messages |
| 01/10/1991 | WO1991000676A1 Paging system with local channel lists |
| 01/10/1991 | WO1991000664A1 Personal communication system |
| 01/09/1991 | EP0406985A2 Radio telephone |
| 01/09/1991 | CN1048474A Self-tuning direct coupled data limiter of battery saver type paging receiver |
| 01/08/1991 | US4984294 Radio communications device incorporating channel guard decode and priority channel scanning |