Optical disk drive

Details Optical disk drive Optical disk drive

1994-05-27

1996-10-08

Epps, Georgia Y.

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

369 48, 369 58, G11B 700

Patent

active

055638600

ABSTRACT:
An optical disk drive for recording information on or retrieving information from an optical disk having a plurality of zones including a different number of sectors includes a zone identifying unit for identifying a current zone in which the optical head is located, and a synchronizing signal generation unit for generating a synchronizing signal of a frequency corresponding to the current zone, wherein the synchronizing signal is used for reading a retrieved signal from the optical disk.

REFERENCES:
patent: 4894734 (1990-01-01), Fischler et al.
patent: 5138599 (1992-08-01), Fukushima et al.
patent: 5245595 (1993-09-01), Yasukawa
patent: 5436878 (1995-07-01), Yamaguchi et al.

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