Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the record
Patent
1978-08-21
1980-09-30
Wolff, John H.
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
Controlling the record
360 71, 1791001PS, G11B 1518, G11B 1900
Patent
active
042258901
ABSTRACT:
A magnetic tape recorder is disclosed which comprises a tape counter means for counting revolutions of a tape reel, a memory means for storing preselectable position information of a specific position on a tape, introduced via a keyboard means, and a decision logic means for determining if the output of the tape counter means and the output of the memory means agree. The operational state of the tape recorder is controlled in response to the output of the decision logic means so that record and play modes can be started or stopped with any preselectable position on the tape. Such capabilities are implemented with a digital processor semiconductor chip which normally includes a non-destructive memory program storage. In one preferred form, timepiece and/or timer functions are combined operatively with the tape counter means.
REFERENCES:
patent: 3809302 (1974-05-01), Malyon
patent: 3984869 (1976-10-01), Fujii et al.
patent: 4000518 (1976-12-01), Stearns
patent: 4014039 (1977-03-01), Yasunaga
patent: 4066349 (1978-01-01), Flint
Maegawa Masaaki
Nakanishi Tosaku
Takenaka Takashi
Sharp Kabushiki Kaisha
Wolff John H.
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