Telephonic communications – Call or terminal access alarm or control – At substation
Patent
1986-03-20
1990-01-09
George, Keith E.
Telephonic communications
Call or terminal access alarm or control
At substation
379212, 379355, 379 57, H04M 1274, H04M 153, H04M 166, H04Q 704
Patent
active
048933350
ABSTRACT:
A telephone control system connects to the telephone line from a telephone exchange. The control system includes a detector for detecting signals on the line, a signal generator for producing and applying control signals to the telephone line, memory for storing electronic signals and a central processor for monitoring signals on the line as detected by the detector, accessing the memory to produce and apply control signals to the signal generator. The control system is programmable to provide a variety of controllable functions to a remote user including activation of the conferencing/transferring function provided by the telephone exchange to allow a user to sequentially complete successive phone calls through the control system without the user hanging-up, or to redirect calls to pre-programmed, remotely controllable numbers. In addition, the control system is capable of receiving, storing and redirecting messages to pagers.
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Popular Science, Jun. 1981, p. 1 Advertisement: "Zap your Mom", by JS & A Products, Northbrook, Il.
Epler Frederick A.
Fuller Robert M.
Manowski Maxwell E.
Fuller Research and Development Company
George Keith E.
Hamley James P.
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