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.
Patent No.:
Date of Patent:
Jan. 26, 1999
Filed:
May. 29, 1996
Applicant:
Inventor:
Tatsuya Naito, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360 65 ;
Abstract
A digital data reproducer, such as a VCR, reproduces digital data from a plurality of types of recording media. An equalizer includes a plurality of all-pass filters, for equalizing the reproduced digital data. A controller controls the equalization characteristics of the equalizer in accordance with the type of recording media, and controls the group delay characteristics of at least one of the plurality of all-pass filters. Thus, a single equalizer may be used for the plurality of types of recording media.