Disc type recording medium on which additional information...

Dynamic information storage or retrieval – Binary pulse train information signal – Format arrangement processing for auxiliary information

Reexamination Certificate

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C369S059250, C369S111000, C369S275300

Reexamination Certificate

active

07457219

ABSTRACT:
A disc type recording medium on which information is recorded by forming disc tracks thereon, a method of forming the disc tracks, and a recording medium for recording a program executing the method. In the above media and method, data access can be rendered in data frame units. The disc type recording medium includes a data frame composed of a plurality of sync frames. The total number of the sync frames is determined according to the length of the innermost circumference of the disc type recording medium. Accordingly, recoding the additional information in such a data frame format prevents a reduction in a rate of detecting the additional information even when the recording medium is miniaturized.

REFERENCES:
patent: 5615192 (1997-03-01), Kikukawa et al.
patent: 5848050 (1998-12-01), Nagasawa et al.
patent: 6160776 (2000-12-01), Seo
patent: 6278565 (2001-08-01), Yoon
patent: 2007/0076548 (2007-04-01), Maegawa
patent: 1291857 (2003-03-01), None
patent: WO02/075742 (2002-09-01), None
Office Action issued in Chinese Patent Application No. 2004100458514 on Sep. 9, 2005.

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