Patents
Patents for H04W 88 - Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices (88,366)
01/1992
01/29/1992EP0468025A1 Radio having removable memory means for storing radio user validation code
01/29/1992EP0360830A4 Improved pager based information system
01/28/1992US5084891 Technique for jointly performing bit synchronization and error detection in a TDM/TDMA system
01/28/1992US5084869 Base station for mobile radio telecommunications systems
01/27/1992WO1992002099A1 Cellular telephone controller with synthesized voice feedback
01/26/1992CA2066587A1 Multi-level radio-frequency communication system
01/22/1992EP0467431A1 Personal paging system
01/21/1992CA1294674C Communication system having a packet structure field
01/15/1992EP0466078A2 Subscriber connection unit with self routing for a telecommunication network having an intelligent network structure
01/15/1992EP0465463A1 Power conservation method and apparatus for a portion of a predetermined signal.
01/14/1992US5081641 Interconnecting and processing system for facilitating frequency hopping
01/08/1992EP0465444A1 A mobile telephony system
01/07/1992CA1294001C Pager based information system
01/02/1992EP0463621A1 Receiver for digital radio signals
01/02/1992EP0462982A1 Paging system with improved acknowledge-back capabilities.
01/02/1992DE4020375A1 Mobile radio telephone device - has transmission or reception circuit coupled to processor standardised software interface
12/1991
12/31/1991US5077834 Paging receiver with continuously tunable antenna and RF amplifier
12/31/1991US5077830 Method and apparatus to selectively address recipients and recover missing messages on a broadcast distribution network
12/31/1991US5077829 Radio communication apparatus in which a particular call can be surely informed to a possessor of the apparatus
12/31/1991US5077827 Warning receiver readiness monitoring circuit
12/31/1991US5077758 Signal detector and bit synchronizer
12/31/1991US5077741 Data throughput enhancement
12/27/1991EP0462728A2 Mobile communications
12/27/1991EP0462727A2 Mobile communications
12/27/1991EP0462726A2 Mobile communications
12/27/1991EP0433343A4 Improvements in mobile pay telephone system
12/18/1991EP0461849A2 Paging receiver with a time piece function
12/18/1991EP0461572A2 Multifunctional radio apparatus switching between different operation modes
12/18/1991EP0461571A2 Combined radio apparatus, in particular combination of a cordless telephone and a paging receiver
12/17/1991CA1293300C Car telephone equipment having automatic calling function
12/12/1991WO1991019367A1 Out of range detector
12/12/1991WO1991019358A1 Time based signal detector
12/11/1991EP0460098A1 Serial word comparator
12/11/1991EP0459997A1 A battery saving apparatus and method providing optimum synchronization codeword detection
12/10/1991US5072444 Central controller with adaptive message handling characteristics
12/05/1991WO1991019357A1 Battery saving method and apparatus for providing selective receiver power switching
12/04/1991EP0459344A1 Software download device for a communication terminal
12/04/1991EP0459236A1 Method for building-up LOS radio links from mobile transmitting-receiving stations to other mobile or fixed remote stations
12/03/1991US5070329 On-site communication system with rf shielding having pager identification capability
12/03/1991CA1292781C Paging terminal apparatus with message storage and retransmission capability and method therefor
12/03/1991CA1292780C Paging receiver for storing digitized voice messages
11/1991
11/28/1991WO1991018483A1 Data network interface
11/27/1991EP0458563A2 A multi-function telephone apparatus
11/26/1991CA1292518C Pager having user selectable time controlled functions
11/19/1991US5067147 Microcell system for cellular telephone system
11/19/1991US5066949 Sending different identifiers to selected receivers, to represent the same source
11/14/1991DE4015195A1 Signal selective radio device - produces call signal which can be transmitted or received and its origin identified from digital code
11/13/1991EP0456547A1 Method and arrangement for telephonic connections for a communication network with autonomous stations
11/13/1991EP0455724A1 A programmable multi-address pager receiver and method of characterizing same.
11/12/1991US5065423 Paging system with registration mode
11/12/1991CA1292041C Cellular cordless telephone
11/06/1991EP0455135A2 Security module for radio telephone
11/06/1991EP0454727A1 Active signalling transmitter control.
11/03/1991CA2041752A1 Private cellular telephone system
10/1991
10/31/1991WO1991017531A1 Selective call receiver having anti-theft protection
10/30/1991CN1055848A Interconnecting and processing system for facilitating frequency hopping
10/30/1991CN1055847A 蜂窝状移动无线电系统 Cellular mobile radio system
10/29/1991CA1291537C2 Portable communications receiver with separated information presentation means and improved battery saving function
10/24/1991DE4012863A1 Car telephone with automatic number selection - uses memory holding data representing required call number
10/23/1991EP0452644A2 Controller for a signalling system
10/22/1991US5060264 Radiotelephone controller configured for coresident secure and nonsecure modes
10/08/1991US5056152 Dual level prioritized vehicular repeater system
10/02/1991CN1014199B Power conservation method and apparatus for portion of predetermined signal
10/02/1991CN1014198B Power conservation method and apparatus for portion of synchronous information signal
10/01/1991US5054052 Mobile telephone device with low power consumption
09/1991
09/24/1991US5052049 Paging receiver with continuously tunable antenna
09/24/1991US5052020 Method of and apparatus for controlling modulation of digital signals in frequency-modulated transmissions
09/18/1991EP0446327A1 A method for radiotelephone autonomous registration.
09/18/1991EP0446248A1 Power conservation method and apparatus for a portion of a synchronous information signal.
09/17/1991US5049875 Method and apparatus for out of range detection in response to nondetection of predetermined baud rates
09/17/1991US5049874 Paging receiver with external memory means
09/11/1991EP0209527B1 Method of communications between register-modelled radio devices
09/10/1991US5048116 Signal routing system
09/05/1991WO1991013501A1 Frame synchronizing method for digital mobile radio
09/04/1991EP0444592A2 Multidirection multiplex communication system
09/04/1991EP0444479A2 Value-added service for a communication system with wired and/or wireless channels
09/04/1991EP0444067A1 Communications system.
09/04/1991EP0360803A4 Portable communications receiver with separate information presentation means and improved battery saving function
09/03/1991US5046187 Method and apparatus for notifying completion of data communication for mobile radio telephone
09/03/1991US5046125 Lock control method for on-board terminal equipment of a mobile telecommunications system
08/1991
08/28/1991EP0443516A2 Transmission and reception of pager signals without useless sampling operation
08/27/1991US5043718 Selective paging system and paging receiver therefor
08/22/1991WO1991012676A1 Method of and apparatus for identification of a monitoring signal at a base station in a radio telephone system
08/22/1991WO1991012673A1 Radio telephone with detachable selective call receiver
08/15/1991WO1991012698A1 Radio having removable memory means for storing radio user validation code
08/14/1991DE4003820A1 Wireless digital telephone system base station emulator - initiates synchronisation for assigning time slots to subscriber station within frame pattern of signal using positive edges
08/13/1991US5039984 Paging receiver with programmable areas of reception
08/08/1991WO1991011868A1 Paging system with time slot reassignment
08/08/1991WO1991011866A1 Method for transferring messages in a one-way communication system
08/08/1991DE4008165A1 Cellular mobile radio system
08/07/1991WO1991012681A1 Interconnecting and processing system for facilitating frequency hopping
08/07/1991EP0440081A2 Cellular mobile radio system
08/07/1991EP0439942A2 Baseband signal processing unit and method of operating the same
08/07/1991EP0439936A2 Radio channel unit message and control signal processing architecture
08/07/1991EP0439926A2 Improved base station for mobile radio telecommunications systems
08/07/1991EP0439451A1 Communication receiver
08/06/1991CA1287379C Speak back paging system
08/02/1991CA2035390A1 Cellular mobile radio system
07/1991
07/31/1991EP0438463A1 High data rate simulcast communication system.
07/30/1991CA1287195C Wide area cordless telephone system having means for avoiding double registrations