Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the record
Patent
1976-07-23
1978-11-07
Eddleman, Alfred H.
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
Controlling the record
1791001DR, 360 62, 360 73, 360 90, G11B 1518, G11B 1548, G11B 1502, G11B 1902
Patent
active
041248732
ABSTRACT:
An electric device for use in a transcriber comprising a main switch turned on or off in interlocking relation with a mechanism for setting to a position ready for operation a magnetic tape feed means and a magnetic tape reproduction means of a transcriber, a circuit for rewinding a magnetic tape at a specified speed including a first manually operable change-over switch and a tape rewinding solenoid for keeping the magnetic tape feed means at the rewinding position, a circuit for permitting the magnetic tape to undergo a high speed travel, including a second manually operable switch and energized in response to the operation of the second manually operable switch, a backspace circuit including a third changeover switch driven by the first foot pedal and intended to energize the tape rewinding solenoid in response to the operation of the third change-over switch to rewind the magnetic tape at a speed lower than that at the time of the rewinding and high speed travelling operation, a motor speed control circuit energized by a fourth change-over switch driven by the second foot pedal to permit the tape to travel at the specified speed, and a playback circuit including a playback solenoid for moving the magnetic tape feed means and magnetic tape reproduction means to a reproduction position from a position ready for operation to keep them at their respective playback positions.
REFERENCES:
patent: 3348113 (1967-10-01), Vichr
patent: 3711657 (1973-01-01), Niioka
patent: 3813691 (1974-05-01), Emmert
patent: 3952330 (1976-04-01), Rimkus et al.
patent: 3995314 (1976-11-01), Jacobson
patent: 4007491 (1977-02-01), Bolick, Jr.
patent: 4032983 (1977-06-01), Sato
Satoh Ken
Yanagida Tuneo
Eddleman Alfred H.
Olympus Optical Co,. Ltd.
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