Telephone answering machine with automatic recording and visual

Details Telephone answering machine with automatic recording and visual Telephone answering machine with automatic recording and visual

1986-05-09

1987-12-15

Cardillo, Raymond F.

Telephonic communications

Audio message storage, retrieval, or synthesis

Dynamic audio signal recording or reproduction

379 70, H04M 165

Patent

active

047138351

ABSTRACT:
A telephone answering machine which records and displays the date and time of each recorded incoming message and, if required, displays the duration of each message. The telephone answering machine is microcomputer controlled, and when a call is received, the random access memory of the microcomputer stores a number equivalent to the time and date on which the telephone line was seized. The telephone answering machine then records the call in normal manner. At the end of the call, a second number representing the time at which the call terminated may also be stored in the random access memory. At that time, the microcomputer causes the message tape to rewind to a point past the beginning of the recorded message and causes the data and time at which the message was received to be recorded on a blank portion of the tape just before the beginning of the message. The microcomputer then causes the tape to move forward to the end of the message in preparation for taking the next call. In each case, a blank portion is provided on the tape between recorded messages for recording the data. On playback, the data is sensed and the microcomputer causes the data to be transferred to a visual display.

REFERENCES:
patent: 4304968 (1981-12-01), Klausner et al.
patent: 4345114 (1982-08-01), Sato et al.
patent: 4469919 (1984-09-01), Nakamura et al.
patent: 4500753 (1985-02-01), Plunkett, Jr.
patent: 4514593 (1985-04-01), Hattori et al.

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