Multifunctional communication terminal connected to two telephon

Details Multifunctional communication terminal connected to two telephon Multifunctional communication terminal connected to two telephon

1982-12-13

1984-08-07

Pitts, Harold I.

179 2DP, H04M 1106

Patent

active

044645422

ABSTRACT:
The terminal according to the invention is connected to two telephone lines and comprises a data display means with a data introduction keyboard cooperating with a telephone call signal generator, whereby the latter can transmit calls on either of the two telephone lines, either directly on one line in the case of a mains failure, or via the central processing unit of the display means, when the mains supply is present.

REFERENCES:
patent: 3979559 (1976-07-01), Roedel et al.
patent: 3984637 (1976-10-01), Caudill et al.
Japan Telecomm. Rev., vol. 22, pp. 201-209, (1980), Terai et al., "Data Telephone Set".
B.S.T.J., vol. 57, pp. 3487-3502, (Dec. 1978), Baker, W. E. et al., "Transaction Stations".

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