1982-12-20
1986-03-25
Brady, W. I.
179 5R, 179 81R, 179 84R, H04M 1100, H04M 100
Patent
active
045785406
ABSTRACT:
A telecommunications system is disclosed which is user programmable permitting inter and intrapremises communications from existent two-wire telephone extension sets at a customer's premises. The system may be functionally described as a telephone call interceptor comprising a number of building blocks for providing a plurality of features which the existent telephone extension sets may not be capable of by themselves. A data processor (110) receives data input from an incoming ringing signal detector (140), a telephone signal receiver (115), a dial tone detector (160) or from an associated user-activatable data input device (117). Responsive to the data input, the data processor provides output through a speech processor (150), a telephone signal generator (116), a ring generator (119) or through an associated data output device (113) such as a loudspeaker. A peripheral device interface (114) connects data processor (110) to security, utility meter, fire detection, energy control, appliance and other devices.
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Japan Telecommunications Review, "New 104 Key Telephone System", K. Kato & M. Ugaki, pp. 323-326, 10/81.
Telephone Engineer & Management, "Next Generation Telephone: Blue Sky or Solid Ground?", P. Fleming, pp. 69-73, 12/15/80.
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Borg Kevin E.
Halas William P.
Mattes Hans G.
McLear Paul M.
White Lester L.
AT&T Bell Laboratories
Brady W. I.
Newman Harry L.
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