The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 12, 1996

Filed:

Aug. 08, 1995
Applicant:
Inventor:

Wataru Shimosaka, Sakai, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
369 32 ; 369 56 ;
Abstract

On loading a CD-ROM, which is a data recording medium, onto a reproducing device, a time information of a sub-code is read out, and then, a time information of a header is read out. In accordance with a difference between the time information of the sub-code and the time information of the header, an offset value is calculated and memorized. When a time information of a target header is given, by adding the offset value to the given time information of the header, a target time information is calculated, and a sub-code, which indicates a time information equal to the target time information, is searched as a target sub-code. On searching the target sub-code, a time information of the header is read out. By these operations, time for accessing is shorten, on being given the time information of the target header and searching the header.


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