G - Physics
11
B
352/32.4
G11B 7/007 (2006.01) G11B 20/12 (2006.01) G11B 27/19 (2006.01) G11B 27/30 (2006.01)
Patent
CA 1324441
ABSTRACT OF THE DISCLOSURE An optical disc of a type having at least one index region for each track. The length of each of the index regions is chosen to be smaller than one frame so that information can be recorded on the index region in multiplex recording fashion.
586225
Fuji Hiroshi
Fujiwara Tsuneo
Numata Tomiyuki
Terashima Shigeo
Tsuji Kentaroh
G. Ronald Bell & Associates
Sharp Kabushiki Kaisha
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