Apparatus for automatically connecting terminal device to teleph

Details Apparatus for automatically connecting terminal device to teleph Apparatus for automatically connecting terminal device to teleph

1991-03-13

1992-09-29

Dwyer, James L.

Telephonic communications

Telephone line or system combined with diverse electrical...

Having transmission of a digital message signal over a...

379 97, 379100, H04M 1100

Patent

active

051519720

ABSTRACT:
An improved method and system for integrating voice telephone and data terminal devices in a single system is described. The present system may be incorporated with an existing telephone system without modification of the telephone system. The present invention includes means for monitoring a telephone line and upon detection of a ringing signal, the system monitors the telephone line for either a DTMF or CNG signal. Upon detection of either signal, an incoming call is routed to a series connected device such as a data terminal.

REFERENCES:
patent: 4584434 (1986-04-01), Hashimoto
patent: 4660218 (1987-04-01), Hashimoto
patent: 4663778 (1987-05-01), Takahashi
patent: 4677660 (1987-06-01), Yoshida
patent: 4800439 (1989-01-01), Yoshino
patent: 4821312 (1989-04-01), Horton
patent: 4974253 (1990-11-01), Hashimoto
patent: 5014296 (1991-05-01), Saigaano
patent: 5036534 (1991-07-01), Gural

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