Telephone answering system and apparatus

Patent

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Details

H04M 164

Patent

active

039476421

ABSTRACT:
A telephone answering device which uses a magnetic recording tape to play back previously recorded messages and to record the caller's message. The device is switched into the record mode by a prerecorded tone on the magnetic recording tape.

REFERENCES:
patent: 3426152 (1969-02-01), O'Halloran et al.
patent: 3539728 (1970-11-01), Rubenstein
patent: 3728487 (1973-04-01), Hata

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