Anti-wobble optical medium and tracking method and apparatus

Details Anti-wobble optical medium and tracking method and apparatus Anti-wobble optical medium and tracking method and apparatus

1998-04-08

1999-03-02

Young, W. R.

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

369 4435, 369 47, 369 54, 3692753, G11B 7095

Patent

active

058780076

ABSTRACT:
In the optical recording medium of the invention, land and groove tracks are arranged in a spiral manner, and a completion information region having identification reading completion information indicative of a rear end of an identification region is disposed between data regions. A pair of wobble pits are disposed immediately behind the identification reading completion information region, and therefore the wobble pits can accurately be detected by reading out the wobble pits on the basis of the identification reading completion information.

REFERENCES:
patent: 4707816 (1987-11-01), Yonezawa et al.
patent: 4736352 (1988-04-01), Satoh et al.
patent: 4866688 (1989-09-01), Ohtake et al.
patent: 4914645 (1990-04-01), Getreuer et al.
patent: 5459710 (1995-10-01), Hoshino et al.
patent: 5481531 (1996-01-01), Yamamuro

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