Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism
Patent
1977-12-15
1980-06-03
Tupper, Robert S.
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
360137, G11B 500
Patent
active
042064848
ABSTRACT:
A tape recorder/player includes several slideable mode selector control levers for selecting the reproducing, recording, stop and other modes of operation of the player. To prevent operation of these levers when the cassette or tape is not in the player, a slideable cam plate is provided, which in a first position engages projections on the levers to prevent them from being moved into their operative positions. In a second position, a number of slots in the cam plate are aligned with the projections on the control levers to permit their movement to select the desired function. A solenoid is energized whenever a cassette or tape is inserted into the recorder/player and controls movement of the cam plate to its second position to align the aperatures with the projections of the levers to permit their operation. When the cassette or tape is removed from the player, the solenoid is de-energized returning the cam plate to the first position where it prevents operation of the control levers.
REFERENCES:
patent: 3940800 (1976-02-01), Tabuchi
patent: 3972070 (1976-07-01), Fukayama et al.
Dunne Gerard F.
Shoup Guy W.
Tupper Robert S.
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