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)
12/1982
12/23/1982WO1982004491A1 A method for implementing a calling process bound to a person
12/22/1982EP0067395A2 Modem with low part
12/15/1982EP0066981A1 Pictorial information processing technique
12/01/1982EP0065598A1 Improvements in telecommunication receivers
11/1982
11/30/1982US4361851 System for remote monitoring and data transmission over non-dedicated telephone lines
11/30/1982US4361730 Security terminal for use with two-way interactive cable system
11/25/1982WO1982004169A1 Sonorous card for numerical codification through telephone line
11/25/1982WO1982004146A1 Pictorial information processing technique
11/24/1982EP0065097A1 Electronic message generator connected to a telephone line
11/23/1982US4360890 Apparatus for signalling system
11/23/1982CA1136055A2 Multiplexed central dictation system
11/23/1982CA1136054A2 Multiplexed central dictation system
11/23/1982CA1136053A2 Multiplexed central dictation system
11/09/1982CA1135431A1 Device control system
11/09/1982CA1135425A1 Signal multiplexing circuit
11/03/1982EP0063639A2 Digital wide-band communication system
11/02/1982US4357601 Tamper protection for an automatic remote meter reading unit
10/1982
10/27/1982EP0063414A2 Apparatus for coupling signals to or from a two-wire line
10/20/1982EP0063080A1 Use of a network for the remote consultation of information
10/19/1982US4355329 Remote station
10/19/1982US4355205 Telemetering system
10/14/1982WO1982003517A1 Cordless telephone system
10/13/1982EP0062442A2 Apparatus for coupling signals to or from a two-wire line
10/12/1982US4354265 Method and an apparatus for transferring digital information in a telephone system
10/12/1982US4353502 Remote controlling
10/12/1982CA1133638A1 Modem diagnostic and control system
09/1982
09/29/1982EP0061316A1 Automatic answer/originate mode selection in modem
09/22/1982EP0060517A1 Multiple access system of terminals on a digital telephone line
09/21/1982US4350848 Data transmission system
09/14/1982US4349701 Television receiver with two-way telephone conversation and dial-out capabilities
09/14/1982CA1131815A1 Apparatus and method for the transmission of data (information)
09/07/1982US4348669 Load energizing and de-energizing control system and method
09/01/1982EP0058982A1 Digital device for discriminating between digitized speech signals and data signals
08/1982
08/25/1982EP0058600A1 Alarm circuit for public prepayment telephone station monitoring system
08/25/1982EP0058482A1 Method and apparatus for transmitting data with digitally encoded speech
08/24/1982US4346263 Signalling arrangement for telephone equipment
08/17/1982US4345113 Automatic telephone message interception system
08/11/1982EP0057628A1 Time division digital switching system for channels in circuit and packet mode
08/03/1982US4342986 Central station alarm reporting system
08/03/1982CA1129032A1 Remote power controller utilizing communication lines
07/1982
07/30/1982EP0050624A4 Electrical supervisory control and data acquisition system.
07/20/1982US4340783 Voice frequency response system
07/20/1982US4340779 Interpreter intercommunication and public address system
07/19/1982EP0049276A4 Terminal unit for automatic meter reading system.
07/19/1982EP0048746A4 Automatic meter reading system.
07/14/1982EP0055902A2 Transmitting a voice signal and data on a single channel
07/12/1982EP0047267A4 Communication system.
07/07/1982EP0055252A1 System for remote monitoring and data transmission over non-dedicated telephone lines
07/06/1982US4338494 Telephone call inventorying and sequencing system and method
07/06/1982US4338493 Method and devices for reporting emergency calls and for initiating emergency assistance measures
07/06/1982US4338492 Television receiver with two-way telephone conversation capability
06/1982
06/29/1982US4337466 Tamper protection for an automatic remote meter reading unit
06/15/1982US4335446 Terminal equipment for data-transmission network including digitally operating modem
06/09/1982EP0053236A1 Service-integrated digital transmission system
06/01/1982US4332980 Multiple services system using telephone local loop
06/01/1982CA1124877A1 Communicating typewriter and dictation system utilizing analog recording and transmission techniques
05/1982
05/25/1982US4332021 Dictation system including dictate station identifier and control of access to particular recorders
05/25/1982CA1124331A1 Satellite communication system for speech and telegraphy
05/18/1982US4330886 Automatic telephone exchange system for both speech signals and data transfer
05/18/1982US4330687 Audio and full duplex digital data carrier system
05/12/1982EP0051383A1 Apparatus and method for a telephone alarm system
05/05/1982EP0051029A1 Method and arrangement for grouping information transmitted by coded telephone calls
05/05/1982EP0050899A1 Device for the transmission and receipt of signals through a telephone line
05/05/1982EP0050748A1 Analog-/digital subscriber's station
05/05/1982EP0050732A1 Transmitter with dial or identification number storage
05/05/1982EP0050624A1 Electrical supervisory control and data acquisition system.
05/04/1982US4328579 Voice band multiplex transmission system
05/04/1982US4328397 Method and apparatus for controlling predetermined machine conditions, such as the operating conditions of a dictation/transcription machine
05/04/1982CA1123101A1 Data transmission system
04/1982
04/28/1982EP0050451A1 Alarm data concentration and gathering system
04/28/1982EP0050434A2 Communication device with under-run signalling
04/28/1982EP0050414A1 A digital signal subscriber loop and interface circuit
04/20/1982US4326287 Two wire bi-directional digital telephone link
04/14/1982EP0049670A1 Device to minimize far-end crosstalk between lines with digital time-shared transmission
04/14/1982EP0049276A1 Terminal unit for automatic meter reading system.
04/13/1982CA1121893A1 High speed central office scanner
04/07/1982EP0048746A1 Automatic meter reading system.
03/1982
03/30/1982CA1120864A2 Central control system
03/30/1982CA1120863A2 Central control system for dictation system with apparatus for recording data on a record medium
03/30/1982CA1120862A2 Central control system with external data entry
03/23/1982US4321582 Data retrieval system and method
03/23/1982US4321429 Apparatus for selecting terminal equipment in telephone lines
03/17/1982EP0047267A1 Communication system
03/16/1982CA1120125A1 Meter terminal unit for use in automatic remote meter reading and control system
03/16/1982CA1120117A1 Blinking signal light system, especially for a series of emergency-phone stations distributed along the length of a highway or the like
03/09/1982US4319337 Apparatus for displaying the status of individual dictated messages in a central dictation system
03/03/1982EP0046623A2 Installation for the recording of oral messages directed to different addressees, and for the reproduction of these messages during the recall of an addressee
03/02/1982US4317956 Remote chalkboard automatic cursor
02/1982
02/09/1982US4315251 Automatic meter reading and control system
02/03/1982EP0044918A1 Circuit for establishing and cleaning a data connection
02/02/1982US4314102 Post office box monitoring system
02/02/1982US4314101 Remote supervising apparatus
02/02/1982CA1117674A2 Signal processor for use with a telephone system and digital transmission system
01/1982
01/26/1982US4313197 Spread spectrum arrangement for (de)multiplexing speech signals and nonspeech signals
01/26/1982US4313035 Method of providing person locator service
01/26/1982CA1117205A1 Packet-switched data communications system
01/12/1982US4310726 Method of identifying a calling station at a call terminating facility
01/06/1982EP0042976A1 Bi-directional communication system for a two wire digital telephone link
01/05/1982US4309571 Telephone-adapter apparatus for a dictation unit
12/1981
12/30/1981EP0042699A1 Improvements in recording and playback apparatus
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