Disc apparatus having a plurality of reading/recording head driv

Details Disc apparatus having a plurality of reading/recording head driv Disc apparatus having a plurality of reading/recording head driv

1993-08-20

1996-05-28

Psitos, Aristotelis

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360 78130, 318685, G11B 2112

Patent

active

055217702

ABSTRACT:
A head reads information from and/or records information to a disc. A head driving unit drives the head on a disc in substantially radial direction thereof, the moving being executed in either a first driving manner or a second driving manner different from the first driving manner and the moving of the head effecting seeking of a track formed on the disc. A disc loading detecting unit detects loading of a disc in said disc apparatus. A switching unit switches over a driving manner from one to another among the first and second driving manners, wherein the switching unit selects the first driving manner while a disc is loaded in the disc apparatus and the switching unit selects the second driving manner while a disc is not the in the disc apparatus.

REFERENCES:
patent: 4783706 (1988-11-01), Shoji et al.

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