Automatic telephone answering machine with ring signal responsiv

Details Automatic telephone answering machine with ring signal responsiv Automatic telephone answering machine with ring signal responsiv

1989-11-30

1991-11-05

Trafton, David

Telephonic communications

Audio message storage, retrieval, or synthesis

Dynamic audio signal recording or reproduction

379 67, 379 70, H04M 164

Patent

active

050635891

ABSTRACT:
An automatic telephone answering machine of the kind employing a microcomputer for switching from one mode of operation to another is arranged to switch from the "stop" mode to the "automatic answer" mode in response to recurring ring signals transmitted during an incoming phone call, provided those signals meet criteria such as duration of ring, length of interval between successive rings, and a minimum period of recurring ring signals. The mode switching arrangement causes the machine to switch to the "automatic answer" mode and then answer the call during the same phone call to enable the caller to confirm by receipt of the machine's outgoing announcement that the mode switch has occurred.

REFERENCES:
patent: 4066848 (1978-01-01), Darwood
patent: 4577063 (1986-03-01), Hanscom et al.
patent: 4581485 (1986-04-01), Bond et al.
Telephone Answering System Model 2530 with Total Remote Command Installation and Operating Booklet, p. 2, Code-A-Phone .COPYRGT. 1983.

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