Cleaning disc cartridge

Details Cleaning disc cartridge Cleaning disc cartridge

1997-08-26

1999-10-12

Klimowicz, William J.

Dynamic information storage or retrieval

With stylus cleaning or treatment

369292, G11B 541, G11B 2300, G11B 712

Patent

active

059663600

ABSTRACT:
A cleaning disc cartridge capable of concurrently cleaning both a magnetic head of a magneto-optical disc apparatus and an optical lens thereof without causing any error in reading of a signal. A rotating disc is provided on one surface thereof opposite to a magnetic head of the apparatus with a head cleaning member and on the other surface thereof opposite to an objective lens of the apparatus with lens cleaning members. The rotating disc includes a disc body which is provided with an inventory region defined on an inner peripheral side of a lens cleaning member arrangement region, a reproduction-only region defined on an outer peripheral side of the lens cleaning member arrangement region, and an information recording and reproducing region outside the reproduction-only region.

REFERENCES:
patent: 4065798 (1977-12-01), Sugisaki et al.
patent: 4408241 (1983-10-01), Ogawa
patent: 4868700 (1989-09-01), Fritsch et al.
patent: 4870636 (1989-09-01), Yamamoto et al.

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