Optical pickup including an optical modulator, and an...

Details Optical pickup including an optical modulator, and an... Optical pickup including an optical modulator, and an...

2007-02-20

2007-02-20

Patel, Gautam R. (Department: 2627)

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

C369S044140, C369S112080

Reexamination Certificate

active

10635524

ABSTRACT:
The present invention relates to an optical pickup, and more particularly to an optical pickup comprising an optical modulator for reflecting and diffracting an incident light beam to generate multiple beams, and the optical pickup simultaneously reads a plurality of data bits using multiple beams at the time of reading optical disc information, thus promptly processing optical disk information, thereby the optical pickup of the present invention can cope with various types of optical disk media using light beams with different wavelengths.

REFERENCES:
patent: 6385143 (2002-05-01), Sasaki
patent: 6671247 (2003-12-01), Arai et al.
patent: 2003/0185134 (2003-10-01), Kimura et al.
patent: 02-177131 (1990-07-01), None
patent: 06-069577 (1994-03-01), None
patent: 2002-504734 (2002-02-01), None

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