Optical information processing apparatus having offset adjusting

Details Optical information processing apparatus having offset adjusting Optical information processing apparatus having offset adjusting

1991-06-11

1992-03-24

Richardson, Robert L.

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

369 4414, 369 4436, G11B 700

Patent

active

050994689

ABSTRACT:
An optical information processing apparatus is so constructed that an optical head in the apparatus for recording and/or reproducing information by irradiating a light beam onto a recording medium is exchangeably attached to an apparatus main body, wherein a circuit which compensate for an offset of an electric signal which is output from the optical head, is attached to the apparatus main body so that it can be exchanged together with the optical head, thereby making unnecessary an offset adjustment after the optical head has been exchanged.

REFERENCES:
patent: 4293944 (1981-10-01), Izumita et al.
patent: 4607157 (1986-08-01), Millar et al.
patent: 4707648 (1987-11-01), Minami
patent: 4730294 (1988-03-01), Funada
patent: 4763199 (1988-08-01), Suzuki
patent: 4783590 (1988-11-01), Aol

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