| 摘要 |
A mechanism for controlling the magnetic tape units of a telephone answering machine of the type which utilizes a continuous loop cassette magnetic tape unit on which an announcement message is recorded for transmission to a calling party during an initial time interval (T1), and which also includes a C-60 type cassette magnetic tape unit in which the tape is drawn from a supply reel to a take-up reel in order to record the message from the calling party during a subsequent message recording interval (T2). In the mechanism of the invention, a single reversible electric motor and a centrifugal gear drive are used to drive the announcement tape unit when the motor turns in one direction and to drive the message tape unit when the motor turns in the opposite direction. A simple manual control allows the message tape unit to be driven at increased speed in the forward direction during a fastforward operation and at the increased speed in the reverse direction during a rewind operation.
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