Telephonic communications – Audio message storage – retrieval – or synthesis – Dynamic audio signal recording or reproduction
Patent
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.
Rhoa Joseph A.
Tandy Electronics Japan Ltd.
Trafton David
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