Patents for H04M 11 - Telephonic communication systems specially adapted for combination with other electrical systems (53,055) |
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07/06/1993 | US5226072 Facsimile machine having recording/reproducing apparatus |
07/06/1993 | US5225997 Automatic monitoring and remote reporting device |
07/06/1993 | CA1320016C Telephone handset with full page visual display |
07/06/1993 | CA1320015C Data/facsimile telephone subset apparatus incorporating electrophoretic display |
07/06/1993 | CA1319957C2 Subscriber unit for wireless digital telephone system |
07/06/1993 | CA1319955C System for interfacing an alarm reporting device with a cellular radio transceiver |
07/01/1993 | DE4142300A1 Telecommunication terminal with simultaneous voice and data connection - incorporates electronic speech circuit linked to handset and control unit operative also on data network termination |
07/01/1993 | DE4142094A1 Data server for connection to digital subscriber interfaces - ensures readiness to receive from subscriber line, and renders buffered data accessible to personal computer |
06/30/1993 | EP0549128A2 Appliance control system providing out-of-context usage |
06/30/1993 | EP0548597A1 Method and system of delivering multimedia information to a user |
06/30/1993 | CN2137413Y Travel alarm for telephone supervision |
06/29/1993 | US5224157 Management system for managing maintenance information of image forming apparatus |
06/29/1993 | US5224155 Change-over system for automatic answering telephony and facsimile reception |
06/29/1993 | US5224154 Line powered DCA including dual programmed microcontrollers |
06/29/1993 | US5224153 Voice-data telephonic interface control system |
06/29/1993 | US5223950 Data communication apparatus |
06/29/1993 | US5223699 Recording and billing system |
06/29/1993 | CA1319769C Digital added main line system |
06/24/1993 | WO1993012604A1 Multi-purpose modular cordless telephone |
06/24/1993 | DE4142007A1 Data and speech transmission system using 4-wire telephone cable - has respective line wire pairs for transmission of speech and data signal in opposite directions between speech points and exchange |
06/23/1993 | EP0547373A1 A circuit and method for dual-tone multifrequency detection |
06/23/1993 | EP0547329A2 Apparatus and method for monitoring power loss in a telecommunication system |
06/23/1993 | CN2137058Y Telephone urgent calling device |
06/23/1993 | CN1073563A Automated audio/visual presentation |
06/22/1993 | US5222126 Communication apparatus connected to other communication terminals |
06/22/1993 | US5222123 Registration and automatic call redirecting for cordless telephone systems |
06/22/1993 | CA2084011A1 Communications system |
06/21/1993 | WO1993013630A1 Distribution system for communication services |
06/21/1993 | CA2103795A1 Distribution system for communication services |
06/21/1993 | CA2078714A1 Automated audio/visual presentation |
06/15/1993 | US5220560 Modem pool system based on a packet communication procedure |
06/10/1993 | WO1993011643A1 Telephone circuit to control off-hook status during receipt of caller-id signal |
06/10/1993 | WO1993011628A1 Telematic terminal with full or reduced wanted information bit rate |
06/10/1993 | WO1993011492A1 Communication system and method for concurrently performing data and speech communications in telephone circuit |
06/09/1993 | EP0545907A2 Improved synchronous/asynchronous modem |
06/09/1993 | EP0545088A2 Radio telephone system with data communication capability and radio communication method |
06/09/1993 | EP0544667A1 Dialing editing method and apparatus |
06/09/1993 | DE4140430A1 Security point operating procedure using TEMEX network - coupling central control point coupled to sub-control points for communication with surveillance points |
06/09/1993 | CN1073061A Mobile communications device registration method |
06/09/1993 | CN1021184C Private telephone automatic calling receiving method and equipment |
06/08/1993 | US5218708 Videotext communication network with a receiving terminal that automatically preforms operations to network responsive to predetermined schedule |
06/08/1993 | US5218633 Enhanced access to telecommunications network |
06/08/1993 | US5218631 Telephonic-interface game control system |
06/08/1993 | US5218629 Communication system for message display onboard mass transit vehicles |
06/08/1993 | US5218627 Decentralized video telecommunication system |
06/08/1993 | US5218367 Vehicle tracking system |
06/07/1993 | WO1993011625A1 Radiotelephone system controller |
06/07/1993 | CA2100445A1 Radiotelephone system controller |
06/02/1993 | EP0543996A1 Method for handling of a call coming to a terminal equipment in a digital transmission system, and a mobile telephone |
06/02/1993 | EP0543895A1 A computer keyboard |
06/02/1993 | EP0543882A1 System and method for monitoring copiers from a remote location |
06/01/1993 | US5216716 Transmitting device of signal sequences |
06/01/1993 | US5216520 Facsimile apparatus comprising automatic reception mode |
06/01/1993 | US5216461 Control system for copying machine with improved communication function to centralized control unit |
06/01/1993 | US5216228 Bar code transmission and reception system and method |
05/27/1993 | WO1993010623A1 Transmission system for coded speech signals and/or voiceband data |
05/27/1993 | WO1993010621A1 Method and apparatus for adding voice communications to telephone alarm system |
05/27/1993 | WO1993010620A1 Telephone interface circuit |
05/27/1993 | WO1993010617A1 Stand-alone device to transfer computer files using a communication line shared by a facsimile machine |
05/27/1993 | WO1993010616A1 Personal locator and call forwarding |
05/27/1993 | CA2123397A1 Stand-alone device to transfer computer files using a communication line shared by a facsimile machine |
05/27/1993 | CA2101059A1 Telephone interface circuit |
05/26/1993 | EP0542900A1 Portable office cordless telephone |
05/25/1993 | US5214772 System for automatically monitoring copiers from a remote location |
05/25/1993 | US5214689 Interactive transit information system |
05/25/1993 | US5214650 Simultaneous voice and data system using the existing two-wire inter-face |
05/25/1993 | CA1318402C Signal communication capable of avoiding an audible reproduction of a sequency of information signals |
05/22/1993 | WO1993010622A1 Door ajar signalling device |
05/22/1993 | CA2101060A1 Door ajar signalling device |
05/19/1993 | EP0542705A2 An arrangement for interface adaptation to a digital telecommunications network |
05/19/1993 | EP0542628A2 Speech synthesis system |
05/19/1993 | EP0542048A1 Bed operating apparatus with supplementary functions |
05/19/1993 | EP0542047A1 Communication system |
05/19/1993 | EP0516701A4 Video telephone system |
05/19/1993 | EP0506717A4 Integrated data communication system |
05/19/1993 | CN1020700C Apparatus for guard against commit crime in elevator |
05/18/1993 | US5212774 Two processor communications system with processor controlled modem |
05/12/1993 | EP0541435A1 System and method of detecting unauthorized use of identifiers for computer access |
05/12/1993 | EP0533671A4 Video telephone employing pulse width modulation for data transmission |
05/12/1993 | CN2133104Y Rotary controlled electronic protector for communication equipment |
05/12/1993 | CN2133103Y Practical remote controller of telephone |
05/11/1993 | US5210826 Data communication apparatus having bandwidth selection capabilities |
05/11/1993 | US5210788 Telephone instrument and distribution system |
05/11/1993 | US5210786 Portable telephone system using stratified exchange system |
05/11/1993 | US5210784 Adaptive speakerphone system |
05/05/1993 | EP0540378A2 Facsimile apparatus |
05/05/1993 | EP0540147A2 Multi-status multi-function data processing key and key array |
05/05/1993 | EP0539964A2 Modem device |
05/05/1993 | CN2132360Y Computer for controlling transfer station |
05/04/1993 | US5208849 Method of and apparatus for private telephone automatic locating and answering |
05/04/1993 | US5208848 Telecommunications call processing |
05/04/1993 | US5208846 Subscriber loop tester for telephone switching systems |
04/28/1993 | EP0539219A2 Speech signal coding and decoding system |
04/28/1993 | EP0539104A2 Home agent telecommunication technique |
04/28/1993 | EP0538536A1 Method for detecting voice presence on a communication line |
04/27/1993 | US5206898 Transmission control unit |
04/27/1993 | US5206859 Isdn multimedia communications system |
04/27/1993 | US5206743 Facsimile routing methodology |
04/24/1993 | CA2059366A1 Electronic information exchange system |
04/21/1993 | EP0537286A1 Telephone paging system for connecting calling and paged parties |