Dynamic magnetic information storage or retrieval – Recording on or reproducing from an element of diverse utility
Patent
1976-03-26
1977-03-01
Lucas, Jay P.
Dynamic magnetic information storage or retrieval
Recording on or reproducing from an element of diverse utility
242201, 242203, 353 19, G11B 1304, G11B 2304
Patent
active
040104915
ABSTRACT:
A slide and magnetic tape retainer provides capability of insertion of a mounted transparency and has a spiral spring type tape that is self retractable, after being transported, to its original position. The tape is guided for non-interference with the slide or transparency within the retainer by means of rollers. Mechanical energy is stored in the tape when a portion of it has been transported, and upon release of the transported portion the tape returns to its original position by itself without use of any mechanical aids. Transportation of the tape occurs when a motor is energized by a push button and a cam on the motor in cooperation with a switch times the recording or reproducing period of the tape when such tape is also in cooperation with a magnetic head.
REFERENCES:
patent: 3177768 (1965-04-01), Hallamore
patent: 3191494 (1965-06-01), Schwartz
patent: 3389915 (1968-06-01), Owen
patent: 3517991 (1970-06-01), Bender
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