| Patents for H04M 1 - Substation equipment, e.g. for use by subscribers (168,223) |
|---|
| 05/04/1994 | EP0594922A1 AC integrated coupler with phase equalizer |
| 05/04/1994 | EP0594831A1 Telecommunications network interface assembly |
| 05/04/1994 | CN2164167Y Eavesdropping-preventing circuit arrangement for extension telephones |
| 05/04/1994 | CN2164166Y Anti-lapping device of telephone |
| 05/04/1994 | CN2164165Y Sterilizing microphone screen |
| 05/04/1994 | CN2164164Y Automatic sterilizing telephone set |
| 05/04/1994 | CN2164163Y Recording and audio-amplifying adapter sleeve for magnetic induction telephone |
| 05/04/1994 | CN2164162Y Telephone set |
| 05/04/1994 | CN1086368A Piezoelectric transducer |
| 05/04/1994 | CN1086367A Radio arrangement |
| 05/04/1994 | CN1086361A Data transmitting/receiving apparatus and data communication system |
| 05/04/1994 | CN1086358A Reversible damper |
| 05/03/1994 | US5309511 Personal communication system |
| 05/03/1994 | US5309510 Door intercom device |
| 05/03/1994 | US5309509 Graphical user interface workstation |
| 05/03/1994 | US5309508 Apparatus and method for automatically blocking the transmission of identifying information concerning a telephone calling party |
| 05/03/1994 | US5309506 Personal services telephone handset and system |
| 05/03/1994 | US5309502 Radio telephone having a cordless or cellular only mode and a cordless/cellular mode |
| 05/03/1994 | US5309500 Apparatus for displaying time-of-day data adaptively to different time zones |
| 05/03/1994 | US5309498 Maintenance unit for modular public telephone |
| 05/03/1994 | US5309442 ISDN terminal system |
| 05/03/1994 | US5309434 Multi-media communication apparatus |
| 05/03/1994 | US5309429 Transmitter-receiver |
| 05/03/1994 | US5308716 Battery pack retention apparatus |
| 05/03/1994 | US5307576 Attachable information booklet |
| 05/03/1994 | CA2020872C Radio telephone system |
| 05/03/1994 | CA2018590C Apparatus for referring to a content of a dial memory in a telephone set |
| 05/03/1994 | CA2008505C Interlock circuit for preventing corruption of telephone line signals |
| 05/01/1994 | CA2102018A1 Methods and apparatus for automatic switching between transmission of a spectrally redundant outgoing signal and reception of an incoming signal |
| 04/30/1994 | CA2109440A1 Noise cancellation apparatus |
| 04/28/1994 | WO1994009586A1 Universal connection for cellular telephone interface |
| 04/28/1994 | WO1994009584A1 Method of determining an idle channel in fdm radio transmission systems |
| 04/27/1994 | EP0594078A2 Cordless subunit facsimile system |
| 04/27/1994 | EP0593934A1 Holding device for an electrical apparatus |
| 04/27/1994 | EP0593804A1 Illuminated button key |
| 04/27/1994 | CN2163490Y General extension apparatus |
| 04/27/1994 | CN2163489Y Telephone light self-control device |
| 04/27/1994 | CN2163488Y Telephone having signal lamp on its earpiece |
| 04/27/1994 | CN2163487Y Wireless and wired telephone with file bag |
| 04/26/1994 | US5307511 Anti-fall structure for battery cover of radio communication apparatus or similar apparatus |
| 04/26/1994 | US5307411 Means for identification and exchange of encryption keys |
| 04/26/1994 | US5307408 Handset supporting device |
| 04/26/1994 | US5307405 Network echo canceller |
| 04/26/1994 | US5307404 Signal detecting device |
| 04/26/1994 | US5307403 Telephone branch line transmission circuit with blocking capacitor |
| 04/26/1994 | US5307401 Cellular telephone with microphone extender |
| 04/26/1994 | US5307398 Remote controlled tone generator system |
| 04/26/1994 | US5307370 Secure cordless radio-telephone |
| 04/26/1994 | US5307178 Facsimile terminal equipment |
| 04/26/1994 | CA1328935C Keypad/dialler interface for telephone test set |
| 04/25/1994 | EP0604592A4 Digital telephone, cable tv system and local exchange bypass network. |
| 04/23/1994 | CA2108936A1 Self-adjusting telephone status detection and indication |
| 04/23/1994 | CA2108935A1 Apparatus and method for fast initiation of connection in cordless telephones |
| 04/20/1994 | EP0593120A1 Device for detecting the activation of a parallel connected telephone set |
| 04/20/1994 | EP0593118A2 Apparatus for storing time management information in a cordless telephone |
| 04/20/1994 | EP0593115A2 Electronic hook switch for a subscriber set |
| 04/20/1994 | EP0593055A1 Hands-free adaptor for portable telephones |
| 04/20/1994 | EP0592963A2 Connection control method for personal communications |
| 04/20/1994 | EP0592493A1 Personal communication system providing supplemental information mode |
| 04/20/1994 | CN2162751Y Solid recording telephone |
| 04/20/1994 | CN2162750Y Automatic sterilizing, purification device for telephone |
| 04/20/1994 | CN1085705A Network echo canceller |
| 04/20/1994 | CN1085382A Manufacturing process of long-acting fragrant antibiotic tablet for telephone transmitter |
| 04/19/1994 | US5305381 Cradle for telephone |
| 04/19/1994 | US5305380 Methods and apparatus for providing a secure telecommunications port |
| 04/19/1994 | US5305375 Information service apparatus |
| 04/19/1994 | US5305374 Enhanced terminal telecommunications system |
| 04/19/1994 | US5305373 Cordless telephone apparatus including an antenna gain switching circuit |
| 04/19/1994 | US5305372 Mobile unit with speed dialing feature for cellular telephone network |
| 04/19/1994 | US5305371 Cordless key telephone system for repeating attempts to alert stations located in interference-affected zones |
| 04/19/1994 | US5305181 Arm or wrist mounted terminal with a flexible housing |
| 04/19/1994 | US5305133 Two-way optical communications system |
| 04/19/1994 | US5305097 Communicating apparatus having a calling party number display device |
| 04/14/1994 | WO1994008418A1 Network echo canceller |
| 04/14/1994 | WO1994008417A1 Radio frequency interference filter |
| 04/14/1994 | WO1994008400A1 Communications device for use in mobile motor vehicles, in particular police motorbikes |
| 04/14/1994 | DE4233721A1 Kommunikationseinrichtung für den Einsatz in Polizei-Motorrädern Communication device for use in police motorcycles |
| 04/14/1994 | CA2124203A1 Radio frequency interference filter |
| 04/13/1994 | EP0592163A1 A radio telephone for a vehicle |
| 04/13/1994 | CN2162047Y Damp-proof support for telephone set |
| 04/13/1994 | CN2162046Y Damp-proof support for telephone set |
| 04/13/1994 | CN1085369A Telephone line arrangement for avoiding fraudulent use |
| 04/12/1994 | US5303308 Audio frequency signal compressing system |
| 04/12/1994 | US5303301 Telephone apparatus with call-back indication |
| 04/12/1994 | US5303292 Low profile telephone set |
| 04/12/1994 | US5303291 Portable telephone having a detachable functional module |
| 04/12/1994 | US5303288 Multiple mode cellular telephone control device |
| 04/12/1994 | US5303284 Ringing circuit for use in portable telephone set |
| 04/12/1994 | CA2025071C Key telephone system |
| 04/07/1994 | DE4328807A1 Cordless telephone equipment storing handset numbers at base station - has visual display on each handset for number received over radio link from base station and stored in local memory |
| 04/07/1994 | DE4233066A1 Mobile telephone appts. with soft-keys for selection and display - can show type and status of message or identification of caller who could be listed in accordance with scrolling system |
| 04/07/1994 | DE4233064A1 Mobile telephone with select and function keys on keyboard - has extra cell diverting key combined with text display and special functions |
| 04/06/1994 | EP0590869A1 Noise-cancelling telephone handset |
| 04/06/1994 | EP0590862A2 Information display provided to calling party |
| 04/06/1994 | EP0590671A1 Portable radio communication device with wide bandwidth and improved antenna radiation efficiency |
| 04/06/1994 | EP0590500A1 Mobile telephone with caller identification |
| 04/06/1994 | EP0590499A1 Mobile telephone with programmable keys |
| 04/06/1994 | EP0590494A1 Mobile telephone with a lock function |
| 04/06/1994 | EP0590493A1 Mobile telephone |
| 04/06/1994 | EP0590492A1 Mobile telephone with a helpkey for displaying information |