Patents
Sitemap › H04 - Electric communication technique › H04M - Telephonic communication › H04M 11 - Telephonic communication systems specially adapted for combination with other electrical systems
Patents for H04M 11 - Telephonic communication systems specially adapted for combination with other electrical systems (53,055)
09/1986
09/17/1986EP0194782A2 Telecommunications security device
09/10/1986EP0194186A1 Method for data transmission by insertion into an analogous speech signal, and device for carrying out this method
09/10/1986EP0194143A2 Videotex system
09/10/1986EP0193713A2 Terminal for a digital telecommunication exchange
09/09/1986US4611321 Variable-band distributed switching node with dynamic hybrid-frame processing
09/03/1986EP0193316A1 Mobile telephone system for automatically paging absent mobile subscriber
09/02/1986CA1210879A1 Telecommunications system
08/1986
08/26/1986US4608686 Two wire voice and data subscriber loop
08/26/1986US4608457 Telecommunications device for the hearing impared
08/26/1986CA1210536A1 Digital communication station signaling control
08/26/1986CA1210535A1 Digital dual channel communication terminal
08/20/1986EP0191090A1 Time independent data transmission system
08/20/1986EP0191048A1 Signal transmission system intended particularly to the surveyance of a group of rooms to be protected
08/19/1986US4607364 Multimode data communication system
08/19/1986US4607139 Interface module for telephone lines
08/12/1986US4606072 Master/slave converter system
08/12/1986CA1209733A1 Remote terminal for use with central dictation apparatus
08/05/1986US4604741 Voice and data interface circuit
08/05/1986CA1209290A1 Telephonic alphanumeric data transmission system
07/1986
07/30/1986CN85108005A Alarm transmitting method
07/22/1986US4602362 Information transport system
07/22/1986CA1208384A1 Interrogation device
07/15/1986US4601030 Multipoint system for interconnecting work stations
07/15/1986CA1207904A1 Automatic audience survey system
07/15/1986CA1207840A1 Combined communication, security and alarm radio system
07/08/1986US4599491 Apparatus for converting direct coupled data devices to acoustic coupled data devices
07/08/1986CA1207403A1 Building surveillance apparatus
06/1986
06/25/1986EP0185445A2 Method and apparatus for controlling digital voice recording and playback over telephone lines and adapted for use with any host computer
06/25/1986EP0185295A2 A call progress monitor for a computer telephone interface
06/24/1986US4596900 Phone-line-linked, tone-operated control device
06/24/1986CA1206637A1 Switching device connectable to a subscriber's telephone line
06/24/1986CA1206636A1 Two-wire exchange telephone system
06/24/1986CA1206565A1 Electronic locating system for persons receiving telephone calls
06/19/1986WO1986003645A1 Watch pager system and communication protocol
06/17/1986US4596021 Modem for switching between voice and data communications on a single telephone call
06/17/1986CA1206264A1 Payment responsive data display network
06/11/1986EP0184005A2 Processor-assisted communication system using tone-generating telephones
06/04/1986EP0183540A1 User terminals for accessing image data
06/04/1986EP0182780A1 Entrance telephone installation and method, for transmission of alarm signals.
06/03/1986US4593389 Simultaneous voice and asynchronous data telephone
06/03/1986CA1205588A1 Telephone line interface circuit
05/1986
05/28/1986EP0182678A1 Teleprocessing terminal with external extensions
05/27/1986US4591662 Telephone set-computer terminal assembly with a single decimal keyboard and a switchable local power supply
05/22/1986WO1986003082A1 Communication system
05/14/1986EP0181164A2 Information transport system
05/13/1986US4589132 Emergency synthesized voice generator method and apparatus
05/13/1986US4589107 Simultaneous voice and data communication and data base access in a switching system using a combined voice conference and data base processing module
05/13/1986US4589033 Method and apparatus for interrupting a facsimile transmission
05/13/1986US4588856 Automatic line impedance balancing circuit for computer/telephone communications interface
05/09/1986WO1986002798A1 Call unit for use in an emergency call system
05/09/1986WO1986002797A1 Call responsive computer power switching device
05/07/1986EP0179901A1 Videotex system
04/1986
04/30/1986EP0179715A1 Interface circuit for connecting a digital equipment with a time-multiplexed link
04/24/1986WO1986002513A1 Interface circuit for connecting a digital equipment to a time multiplex link
04/23/1986EP0179001A2 Method and apparatus for acquisition, memorizing and transmission of specialized data, in particular concerning the recording of broadcasts, between an apparatus such as a video recorder and a processing centre
04/22/1986US4584680 Use of a tone bus to provide polling and data distribution apparatus for communication system terminal groups
04/22/1986US4584434 Additional system for automatic information reception terminal device utilizing telephone circuit
04/16/1986EP0178229A1 Automatic transmitter for signals, such as an alarm message, on a telephone line
04/16/1986EP0177554A1 Remote subscriber interaction system
04/15/1986US4583124 Facsimile communication control system
04/10/1986WO1986002219A1 Telephone switching system adjunct call processing arrangement
04/09/1986EP0176953A2 New simultaneous voice and date communications system, with possibility of connection to public or private networks
04/08/1986US4581746 Technique for insertion of digital data bursts into an adaptively encoded information bit stream
04/08/1986US4581484 Audio-enhanced videotex system
04/08/1986CA1203030A1 Simultaneous transmission of speech and data over an analog channel
04/02/1986EP0176273A2 Information transport system employing telephone lines
04/01/1986US4580291 Method for processing digital signals, and subscriber station for telecommunication and teledistribution
04/01/1986US4580239 Remote station of a computer system
04/01/1986US4580010 Building surveillance apparatus
04/01/1986US4580008 Remote control device through the telephone network
04/01/1986CA1202714A1 Television viewer data collection system
03/1986
03/27/1986WO1986001960A1 Call diverter function in an early care telephone system
03/26/1986EP0174989A1 Data and voice communications system
03/25/1986US4578796 Data modem
03/25/1986US4578789 Simultaneous voice and data communication and data base access in a switching system using a tone bus or broadcast mode
03/25/1986US4578540 Telecommunications systems
03/25/1986US4578539 Interrogation device
03/25/1986US4578538 Method and apparatus for communicating digital signals over telephone lines
03/25/1986US4578537 Telecommunication apparatus serving as an interface between a digital computer and an analog communication medium
03/25/1986US4578536 Centerpoint automatic meter reading system
03/25/1986US4578535 Communications module for sending digital signals
03/25/1986US4578534 Time independent data transmission system
03/25/1986US4578533 Switchable line powered modem
03/19/1986EP0174804A1 Home control system and interphone system
03/18/1986US4577067 Remotely controlled telephone hold program system
03/18/1986US4577062 Method for dispensing information
03/18/1986EP0164368A4 Multiplexer system for automatic meter reading.
03/13/1986WO1986001666A1 Time independent data transmission system
03/11/1986US4575579 Editing arrangement for videotex system with public terminals
02/1986
02/27/1986WO1986001324A1 Signal transmission system intended particularly to the surveyance of a group of rooms to be protected
02/25/1986US4573140 Method of and apparatus for voice communication storage and forwarding with simultaneous access to multiple users
02/25/1986CA1201227A2 Method and apparatus for controlling distributed electrical loads
02/25/1986CA1201226A2 Method and apparatus for controlling distributed electrical loads
02/25/1986CA1201225A2 Method and apparatus for controlling distributed electrical loads
02/25/1986CA1201224A2 Method and apparatus for controlling distributed electrical loads
02/18/1986US4571722 Integrated service multiplex equipment
02/18/1986US4571455 Electronic monitoring system particularly useful as an electronic babysitter
02/18/1986US4570930 System, method, and station interface arrangement for playing video game over telephone lines
02/18/1986CA1200938A1 Voice and data interface circuit
02/18/1986CA1200867A1 Multipoint system for interconnecting work stations
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