Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the head
Patent
1984-08-22
1987-05-12
Stellar, George G.
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
Controlling the head
360 102, 360 103, 360 70, 360 78, G11B 556
Patent
active
046654496
ABSTRACT:
A rotating head type reproducing apparatus, arranged to reproduce a recorded signal by tracing, one after another many recording tracks formed on a record bearing medium at a predetermined pitch by a rotating head, includes a moving mechanism for moving the record bearing medium in a direction transverse to the recording tracks; a shifting mechanism for shifting the rotating head in a direction transverse to the rotating plane thereof; a pulse signal generator for generating a pulse signal in association with the moving operation of the moving mechanism on the record bearing medium; a counter for counting the pulse signal, the count datum of the counter being arranged to return to the initial datum every time a predetermined number of pulses of the pulse signal are counted; a timing signal generator for generating a timing signal in association with the rotation of the rotating head; and a control device for forming a control signal for controlling the shifting mechanism on the basis of the count data of the counter and the timing signal.
REFERENCES:
patent: 4393416 (1983-07-01), Takeuchi et al.
patent: 4395741 (1983-07-01), Kobayashi et al.
patent: 4489352 (1984-12-01), Kobayashi et al.
Edakubo Hiroo
Kozuki Susumu
Nagasawa Kenichi
Takayama Nobutoshi
Takei Masahiro
Canon Kabushiki Kaisha
Stellar George G.
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