Patent
Telephone based control system
Richard T. Carll,Anthony J. Fastaia,Kurt von Nieda +2 more
- 02 Dec 1983
21
TL;DR: In this article, a telephone based control system comprises a central control console, a digital time division multiplexed (TDM) telephone system incuding a PBX matrix switch with signal ports adapted for direct connection to PBX primary port telset devices and to the central controller console, and the control system further comprising secondary port control units, each connected to an associated one of the primary port Telsets, for controlling the operation of one or more controlled devices located in proximity to the associated telsets.
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Abstract: A telephone based control system comprises a central control console, a digital time division multiplexed (TDM) telephone system incuding a PBX matrix switch with signal ports adapted for direct connection to PBX primary port telset devices and to the central control console, and including primary port telsets adapted for connection to PBX secondary port devices, the control system further comprising secondary port control units, each connected to an associated one of the primary port telsets, for controlling the operation of one or more controlled devices located in proximity to the associated telsets.
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Citations
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References
Patent
Multiple services system using telephone local loop
Christopher C. Reynolds,Earl J. Claire,John R. Ellis +2 more
- 30 May 1980
TL;DR: In this paper, a multiple services system using telephone lines to supply various data services to subscribers, including alarm surveillance, meter reading, energy management and digital data service, provides a multi-conductor subscriber bus at the subscriber premises for selective connection of plural data service terminals to the system and a switching communication controller at the central office which acts as a concentrator for the transmission of alarm and meter reading and control signals between the subscriber data system and the central control system, while acting as a switch for the connection of the user's data system to a data service system for transmission to
94
Patent
Energy control system providing selective control of remote zone heating or cooling from a central location
Jr. Fred Pratt
- 27 Dec 1977
TL;DR: In this article, an energy control system for selectively controlling permissible temperature ranges in a plurality of remote zones from a central control location where the zones each have a heat transfer unit for controlling temperature in the zone is presented.
36
Patent
Remote supervisory system.
Bartelink Everhard H B
- 25 Feb 1980
TL;DR: In this article, a remote supervisory system (10) operating in conjunction with a telephone company central office (12) to enable monitoring of telephone subscriber premises over existing telephone circuits is presented.
30
Patent
Communication system with portable units connected through a communication channel to a computer for applying information thereto
Hedges Walter Paul
- 10 Jan 1972
TL;DR: In this article, a portable unit is carried by a maid or other personnel and is adapted to be coupled to a communication channel which may be present for another purpose, such as the telephone lines which provide telephone service to the rooms, a television antenna cable, or any other communication channel available.
24
Patent
Automatic telephone exchange system for both speech signals and data transfer
Takeo Fukuda,Kazuhiko Hanawa,Kiyoshi Urui +2 more
- 23 Jun 1980
TL;DR: In this article, a speech signal is transferred between telephones through the PCM telephone exchange and speech lines, and the terminal data are transferred through the control lines and the PLC telephone exchange.
18