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