Rotary magnetic recording-reproducing apparatus with disc track

Details Rotary magnetic recording-reproducing apparatus with disc track Rotary magnetic recording-reproducing apparatus with disc track

1988-01-15

1989-04-04

Cardillo, Raymond F.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360 75, 360 7702, 358909, G11B 555, G11B 2108, G11B 3310

Patent

active

048190934

ABSTRACT:
A rotary magnetic recording-reproducing apparatus in an electronic camera system, wherein a subject is purely electronically still-photographed and recorded on a rotating magnetic disc, and the reproduction of an image is carried out by a television set or a printer. When the tracking operation is performed up to the final track and the recording track cannot be detected (an envelope cannot be detected), a warning is issued on the basis of this fact so that loading of an unrecorded disc can be detected. Furthermore, when a track having a number other than one of the numbers of reproducible tracks is to be reproduced, a warning is given so that an operator can be informed of the fact that an unreproducible track has been reached.

REFERENCES:
patent: 3950782 (1976-04-01), Carey et al.
patent: 4321635 (1982-03-01), Tsuyuguchi
patent: 4531163 (1985-07-01), Maerkl et al.
patent: 4608613 (1986-08-01), Miyake
patent: 4630252 (1986-12-01), Miura et al.
IBM TDB, vol. 18, No. 3, "Initial Program Load with Status Signaling by Disk Arm Motion" Fitzpatrick, 8/75, p. 866.
IBM TDB, vol. 19, No. 4, "Head-To-Track Syncronizing Mechanism for Magnetic Disks" 9/76, Porter et al., pp. 1393-1395.

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