| Patents for H04M 1 - Substation equipment, e.g. for use by subscribers (168,223) |
|---|
| 04/06/1994 | EP0590450A1 Telephone handset support |
| 04/06/1994 | EP0589920A1 Improvements relating to caller identification |
| 04/06/1994 | CN2161028Y Ringing audiovolume auto-step-increased telephone |
| 04/06/1994 | CN2161027Y Multipurpose telephone tester |
| 04/06/1994 | CN2161026Y 电话线路保护器 Telephone line protection |
| 04/05/1994 | US5301360 Communication device |
| 04/05/1994 | US5301353 Communication system and apparatus |
| 04/05/1994 | US5301246 Data communications equipment security device using calling party directory number |
| 04/05/1994 | US5301230 Viewing shield for a telephone dialing pad |
| 04/05/1994 | US5301227 Automatic dial telephone |
| 04/05/1994 | US5301224 Mobile telephone with lateral loudspeaker |
| 04/05/1994 | US5301222 Portable radio telephone set for generating pattern signals representative of alphanumeric letters indicative of a telephone number |
| 04/05/1994 | US5300943 Multiple display workstation with conductive surface overlay control |
| 04/05/1994 | US5299670 Telephone cord reel |
| 03/31/1994 | WO1994007321A1 Shared common in-house wiring to permit multiple telephone carriers to serve the same customer |
| 03/31/1994 | WO1994007319A1 Telephone line interface |
| 03/31/1994 | DE4328808A1 Cordless telephone subscriber's appts. - has control unit connected via telephone lines to public network and several basic units connected to control unit, together with several hand appts. connected to basic unit via radio |
| 03/31/1994 | DE4232388A1 Operating procedure for telephone subscriber's appts. - using memory for dialling repetition in which last-called number is automatically selected and called by operation of key |
| 03/31/1994 | DE4232384A1 Wall housing for small telephone appts. - has lower and upper parts joined to one another by hinge and produced by deep drawn process |
| 03/31/1994 | CA2144954A1 Shared common in-house wiring to permit multiple telephone carriers to serve the same customer |
| 03/30/1994 | EP0589576A2 Communications network test environment |
| 03/30/1994 | EP0589417A2 Data transmitting/receiving apparatus and data communication system |
| 03/30/1994 | EP0589327A1 Set for automatic telephone calls |
| 03/30/1994 | EP0589248A2 Method and arrangement for displaying call numbers at telephone terminals of a private branch exchange |
| 03/30/1994 | CN2160178Y Fully automatic voice wireless pager |
| 03/30/1994 | CN2160177Y Luminous telephone key |
| 03/30/1994 | CN2160176Y Supra-aural telephone set microphone |
| 03/30/1994 | CN2160175Y Separate portable telephone set |
| 03/30/1994 | CN2160174Y Transistor switch for electronic key controlled telephone system |
| 03/30/1994 | CN1084688A 电信系统 Telecommunications systems |
| 03/30/1994 | CN1084687A Telephone set |
| 03/30/1994 | CA2079403A1 Universal support for portable telephone |
| 03/29/1994 | US5299256 PBX telephone with message printer |
| 03/29/1994 | US5298921 System for communicating with external device registers via two-byte data packets over a serial bus |
| 03/29/1994 | CA2005972C Duplex communications method and system |
| 03/29/1994 | CA1328042C Security device for a telephone instrument |
| 03/26/1994 | WO1994008401A1 A designator and method for making the same |
| 03/25/1994 | CA2079062A1 Telephone handset |
| 03/24/1994 | DE4231668A1 Wall mounting for telephone subscriber's appts. - provides recesses selectively fitted with spacing elements normally attached to mounting via thin bridging elements |
| 03/24/1994 | CA2105537A1 Method for automatically reminding a pc user about unanswered telephone calls |
| 03/23/1994 | EP0588571A2 Incoming call transfer terminal |
| 03/23/1994 | EP0588558A2 Apparatus for displaying a string of characters |
| 03/23/1994 | EP0588210A1 Portable radio telephone set |
| 03/23/1994 | EP0587962A1 Method and circuit for implementing an impedance, in particular for D.C. telephonic applications |
| 03/23/1994 | EP0587950A1 Automatic call back system and method of operation |
| 03/23/1994 | EP0587792A1 Battery saver for a communication device |
| 03/23/1994 | EP0587761A1 Portable radio battery latch |
| 03/23/1994 | EP0298130B1 Method of controlling the connection of cordless telephone equipment |
| 03/23/1994 | CN2159634Y Sealed assembled connector for telephone |
| 03/23/1994 | CN2159633Y Distant button telephone |
| 03/22/1994 | US5297203 Digital cordless telephone apparatus |
| 03/22/1994 | US5297197 Multiple party telephone control system |
| 03/22/1994 | US5297190 Radio communication system |
| 03/22/1994 | US5297146 Communication terminal apparatus and its control method |
| 03/22/1994 | US5297135 Method and apparatus for determining directionality of communication signals on a communication channel |
| 03/22/1994 | US5296646 Protector module for telephone line junction box |
| 03/22/1994 | US5295649 Telephone support for a one-piece telephone |
| 03/22/1994 | CA2014634C Cordless telephone system |
| 03/22/1994 | CA1328022C Recording system with response categorization |
| 03/17/1994 | WO1994006255A1 An ear microphone for insertion in the ear in connection with portable telephones or radios |
| 03/17/1994 | WO1994006238A1 Data diagnostics with leds on the face of a telephone |
| 03/17/1994 | WO1994006235A1 Antiseptic telephone set |
| 03/17/1994 | WO1994006234A1 A portable mounting device, primarily for electrical equipment |
| 03/17/1994 | DE4308783C1 Information signal transmission circuitry for telephone network - with system module at each end of two=wire subscriber line providing two=wire to four=wire interface |
| 03/16/1994 | EP0586656A1 Communications system with extended channels |
| 03/16/1994 | EP0586634A1 Radio telephone |
| 03/15/1994 | US5295186 Termination circuit for a two-wire transmission line |
| 03/15/1994 | US5295154 Radio frequency local area network |
| 03/15/1994 | CA2025140C Communication terminal having means for controlling power transfer |
| 03/12/1994 | CA2078081A1 Network node event notification in circuit switched environments |
| 03/10/1994 | DE4329721A1 Telephone subscriber appts. interface for radio appts. with send-receive changeover switch - compares multifrequency call tone sequence from radio appts. with programmed number to activate telephone subscriber appts. |
| 03/10/1994 | DE4225567A1 Automatic calling and message relaying device for telephone network - uses analogue or digital memory holding spoken message to be relayed to called subscriber |
| 03/09/1994 | EP0586170A1 A mobile radio communications unit |
| 03/09/1994 | EP0586081A1 Radio arrangement |
| 03/09/1994 | EP0585634A1 Interface circuit between a telecommunications apparatus and a telephone line |
| 03/09/1994 | EP0585556A1 Subscriber unit which is responsive to annunciation messages |
| 03/09/1994 | CN2158604Y Paging device for radio telephone |
| 03/09/1994 | CN2158603Y Telephone set for railway train |
| 03/09/1994 | CN2158602Y Telephone set with the funtion of displaying or storing the number of calling side |
| 03/09/1994 | CN1083643A Portable to portable communications in a cordless telephone system |
| 03/09/1994 | CN1083639A Integrated circuit and cordless telephone using the integrated circuit |
| 03/08/1994 | US5293421 Summing amplifier with a complex weighting factor and interface including such a summing amplifier |
| 03/08/1994 | US5293419 Simultaneous voice-call system for cordless telephone |
| 03/08/1994 | US5293418 Mobile terminal equipment capable of storing called state |
| 03/08/1994 | CA2005260C Telephone ringing detector |
| 03/08/1994 | CA2001775C Mobile telephone system with intermittent control of receiver components in standby state |
| 03/05/1994 | CA2105490A1 Door intercom device |
| 03/05/1994 | CA2101953A1 System and method for transferring information between a radio transceiver and a portable memory element |
| 03/03/1994 | WO1994005107A1 Method of establishing a communication link in a digital cordless telephone system |
| 03/03/1994 | WO1994005106A1 Call monitoring and notifying telephone answering device |
| 03/03/1994 | WO1994005101A1 Portable to portable communications in a cordless telephone system |
| 03/03/1994 | DE4228605A1 Mobile communications device - has notebook computer with pivotable display, connections for car aerial and power supply when inserted in dashboard |
| 03/03/1994 | CA2121239A1 Portable to portable communications in a cordless telephone system |
| 03/02/1994 | EP0585030A1 Infrared link between a transceiver and an external device |
| 03/02/1994 | EP0585011A1 Holding device for portable equipment |
| 03/02/1994 | EP0585004A2 Voice directed communications system employing shared subscriber identifiers |
| 03/02/1994 | EP0584666A1 Digital radio telephone with speech synthesis |
| 03/02/1994 | EP0584299A1 Improved audio distribution system |
| 03/02/1994 | EP0584269A1 User interface system having programmable user interface elements |
| 03/02/1994 | CN2158157Y Customer self-disconnecting ring apparatus for interface circuit of subscriber's line |