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:
Dec. 25, 2001

Filed:

Oct. 25, 1999
Applicant:
Inventors:

Kazunori Matsuo, Saitama-ken, JP;

Yasutaka Suzuki, Saitama-ken, JP;

Masakazu Takahashi, Saitama-ken, JP;

Yoshimichi Nishio, Saitama-ken, JP;

Hideaki Watarihana, Saitama-ken, JP;

Hiroki Goto, Saitama-ken, JP;

Teruo Takahashi, Saitama-ken, JP;

Kiyoshi Furukawa, Saitama-ken, JP;

Hiroyuki Kobayashi, Saitama-ken, JP;

Hidetsugu Kubota, Saitama-ken, JP;

Takuya Abe, Saitama-ken, JP;

Assignee:

Pioneer Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 1/722 ;
U.S. Cl.
CPC ...
G11B 1/722 ;
Abstract

A disc reproducing apparatus is provided which is adapted to scan information tracks to read information recorded on an information recording medium. This disc reproducing apparatus comprises: determining means capable of determining an actually happened track jump, said determining being effected when a difference between a present reproducing positional information and a reference reproducing positional information is larger than a predetermined value; detecting means for detecting a present track position which is just being reproduced at a present time; and setting means for setting said predetermined value corresponding to the present track position, in accordance with a result of the detecting means.


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