| Patents for H04M 1 - Substation equipment, e.g. for use by subscribers (168,223) |
|---|
| 07/14/1992 | US5130897 Light guide for a telephone dial |
| 07/14/1992 | US5130629 Telephone terminal bases |
| 07/14/1992 | CA1305221C Pager receiver helpful for effective use of call numbers |
| 07/10/1992 | WO1992012606A1 Improved audio distribution system |
| 07/08/1992 | EP0493991A1 Speech control apparatus |
| 07/08/1992 | EP0424508A4 Dialing features for cellular telephone with standard telephone set |
| 07/07/1992 | US5128994 Telephone handset with magnetic holder |
| 07/07/1992 | US5128993 Telephone dispenser with compact cord guide |
| 07/07/1992 | US5128992 Hybrid circuit |
| 07/07/1992 | US5128991 Dialing confirmation tone output apparatus |
| 07/07/1992 | US5128987 Telephone-responsive device for muting the sound output of a television set |
| 07/07/1992 | US5128986 Pair facsimile devices |
| 07/07/1992 | US5128982 Electronic apparatus for "Hands off" control of a voice mail system |
| 07/07/1992 | US5128981 Radio communication system and a portable wireless terminal |
| 07/07/1992 | US5128980 Automatic paging telephone set and method for controlling thereof |
| 07/07/1992 | US5128938 Energy saving protocol for a communication system |
| 07/07/1992 | CA1304849C Voice mail system with improved detection and cancellation |
| 07/02/1992 | DE4041643A1 Cordless telephone allowing for alternate two=way traffic - reduces frequency spacing of duplex channels at main station as relay between two mobile stations |
| 07/01/1992 | EP0493361A2 Telephone-handset fitted with a directional microphone |
| 07/01/1992 | EP0493292A2 Look-ahead method and apparatus for predictive dialing using a neural network |
| 07/01/1992 | EP0493084A2 Multi-media communication apparatus |
| 07/01/1992 | EP0492756A2 Communication apparatus, particularly terminal for a telephone link |
| 07/01/1992 | EP0492748A2 Communication apparatus, particularly terminal for a telephone link |
| 07/01/1992 | EP0492327A2 Telephone answering device with message recording and removal of the end announcement |
| 07/01/1992 | EP0431096A4 Cellular telephone with standard telephone set |
| 07/01/1992 | CN2109027U Recording controller for telephone |
| 07/01/1992 | CN2109026U Identification strip for cable of all plastic city telephone |
| 06/30/1992 | US5127050 Information processing apparatus separably combined with telephone unit |
| 06/30/1992 | US5127049 Coded phone security system |
| 06/30/1992 | US5127045 Identifying telephone controller system |
| 06/30/1992 | CA1304451C Multi-alert radio paging receiver |
| 06/25/1992 | WO1992010913A1 Cordless telephone system |
| 06/25/1992 | WO1992004794A3 Alarm and test system for a digital main line |
| 06/25/1992 | DE4040525A1 Cordless speech transmission accessory for telephone appts. - has detachable mobile part having microphone and rechargeable batteries for speech transmission to fixed part having loudspeaker |
| 06/24/1992 | EP0491516A2 Multiple-mode cellular telephone control device |
| 06/24/1992 | EP0491493A1 Generalized telecommunications customer signaling arrangement |
| 06/24/1992 | EP0491473A2 Control circuit for an electrical telephone accessory |
| 06/24/1992 | EP0491244A2 Communication network with a plurality of communication exchanges |
| 06/24/1992 | EP0491083A1 Closed type connecting block |
| 06/24/1992 | CN2108386U Automatic recording controller for telephone |
| 06/24/1992 | CN2108385U Sanitary device for telephone transmitter |
| 06/24/1992 | CN2108384U Automatic electronic switch |
| 06/23/1992 | US5125078 Electronic display apparatus with scrolling function |
| 06/23/1992 | CA1304150C Vandal-proof handset for a pay telephone |
| 06/21/1992 | WO1992011624A1 Automatic screen blanking in a mobile radio data terminal |
| 06/21/1992 | CA2072093A1 Automatic screen blanking in a mobile radio data terminal |
| 06/19/1992 | CA2057966A1 Telephone dialing apparatus |
| 06/19/1992 | CA2052854A1 Control circuit for an electrical telephone accessory |
| 06/18/1992 | CA2053410A1 Multiple-mode cellular telephone control device |
| 06/17/1992 | EP0490441A2 A method of operating a communications system, a communications system and a secondary station for use in the system |
| 06/17/1992 | EP0490261A2 Facsimile system |
| 06/17/1992 | EP0490215A2 Hands-free telephone set |
| 06/17/1992 | EP0490214A2 Contact assembly between a transducer and a circuit board arranged in a handset of a subscriber set |
| 06/17/1992 | EP0489917A1 Composite telephone set |
| 06/17/1992 | EP0489838A1 Battery saver for a tdm system |
| 06/17/1992 | DE4040212A1 Telephone answering machine accessory for urgent calls - responds to urgent call identification code to switch through call to telephone |
| 06/17/1992 | CN2107739U Universal sanitary ear case for telephone receiver |
| 06/17/1992 | CN1062060A Coupling device to be connected to dce for connection to public switched telphone network having local power supply circuit for allowing use of local telphone, dce and workstation including same |
| 06/16/1992 | US5123044 Protective cover for a mobile telephone |
| 06/16/1992 | US5123043 Radio communication method and system |
| 06/16/1992 | US5123042 Cordless telephone apparatus which avoids simultaneous connecting unit/cordless telephone call conflicts |
| 06/16/1992 | CA1303758C Small-sized equipment capable of automatically changing the visual angle of itsliquid crystal display |
| 06/16/1992 | CA1303686C2 Subscriber unit for wireless digital telephone system |
| 06/16/1992 | CA1303677C Telephone answering machine in paging systems with automatic number identification based message operations |
| 06/11/1992 | WO1992010046A1 Light-linked cellular telephone |
| 06/10/1992 | EP0489645A2 Voice level controller |
| 06/10/1992 | EP0489215A1 Coupling device to be connected to a DCE for the connection to a public switched telephone network having a local power supply circuit for allowing the use of the local telephone, DCE and workstation including the same |
| 06/10/1992 | CN2107090U Telephone switching system |
| 06/10/1992 | CN2107089U Power supply distribution telephone set with distance-extending and speech amplifying means |
| 06/10/1992 | CN2107088U Vase-type telephone set |
| 06/10/1992 | CN2107087U Multi-purpose telephone set |
| 06/10/1992 | CN1061873A Battery housing assembly with integral limited travel guide rails |
| 06/09/1992 | US5121427 Telephone base members and support members |
| 06/09/1992 | US5121426 Loudspeaking telephone station including directional microphone |
| 06/09/1992 | US5121425 Telephone transmission circuit with improved switching device |
| 06/09/1992 | US5121423 Communication unit comprising caller identification function and caller identifying method in a digital communication network |
| 06/09/1992 | US5121422 Voice message storage device including at least two analog recording mediums |
| 06/09/1992 | US5121420 Automatic line defect detector |
| 06/09/1992 | US5121391 Subscriber RF telephone system for providing multiple speech and/or data singals simultaneously over either a single or a plurality of RF channels |
| 06/09/1992 | US5121350 Digital tone generation based on difference equations |
| 06/03/1992 | EP0488610A2 Communication line backup system |
| 06/03/1992 | EP0487999A2 Subscriber equipment with stored messages of improved speech quality |
| 06/03/1992 | EP0487811A1 Digital telecommunication system with intelligent user terminals |
| 06/03/1992 | EP0290489B1 Telephone structure |
| 06/03/1992 | CN2106455U Carrier power station with coding power line |
| 06/03/1992 | CN2106454U Limiter for trunk call |
| 06/03/1992 | CN2106453U Miniature handler control automatic order dial and play telephone |
| 06/03/1992 | CN2106452U Synthetical carried telephone |
| 06/02/1992 | US5119419 Lockable telephone plug apparatus |
| 06/02/1992 | US5119418 Telephone system with several terminals on a single line |
| 06/02/1992 | US5119417 Auto-dialing apparatus |
| 06/02/1992 | US5119414 Key telephone system reading dialing information from a portable memory card |
| 06/02/1992 | US5119413 System and method to alter the functions assigned to the keys of a terminal connected to an electronic exchange |
| 06/02/1992 | US5119375 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels |
| 06/02/1992 | CA1302600C Cordless telephone |
| 06/02/1992 | CA1302533C Connecting block construction |
| 05/31/1992 | WO1992010004A1 Battery housing assembly with integral limited travel guide rails |
| 05/30/1992 | CA2056506A1 Digital telecommunication system with intelligent user terminals |
| 05/29/1992 | WO1992009178A1 Cellular telephone with pager |
| 05/29/1992 | WO1992009166A1 Telephone recording device |