Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the record
Patent
1977-12-16
1979-04-17
Eddleman, Alfred H.
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
Controlling the record
179 6R, 179 6E, 360 741, G11B 1518, G11B 1906, H04M 164
Patent
active
041504054
ABSTRACT:
An automatic telephone answering system of the accumulating type is disclosed wherein only newly recorded messages on the message recording tape are remotely reproduced with accuracy. A pulse generator is driven by a reel shaft to generate pulses in proportion to the rotation of the reel shaft. A first counter counts the number of pulses from the pulse generator whenever a message is recorded or reproduced. A second counter counts the number of pulses from the pulse generator when the message tape is rewound in response to a remote control signal. A comparator compares the counts accumulated in the first and second counters to control the rewinding, reproducing and standby modes of the system after a remote control signal is received.
REFERENCES:
patent: 3541271 (1967-10-01), Joslow et al.
patent: 3681523 (1972-08-01), Sidline
patent: 3703774 (1972-11-01), Goshima
patent: 3730997 (1973-05-01), Konno
patent: 3894188 (1975-07-01), Konno
patent: 3903369 (1975-09-01), Darwook
patent: 3999016 (1976-12-01), Ueda et al.
Eddleman Alfred H.
Pioneer Electronic Corporation
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