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:
Mar. 01, 1994
Filed:
Oct. 22, 1991
Applicant:
Inventor:
Tadaaki Yoshinaka, Kanagawa, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ; H04N / ;
U.S. Cl.
CPC ...
369 69 ; 360 362 ; 358310 ;
Abstract
In a digital data recording and/or reproducing apparatus, the frequency of digital data to be recorded or that has been reproduced is converted so that data blocks formed from the digital data have a time duration that allows for coordination with the timing of data sectors formed from the data blocks and recorded with predetermined timing in respective tracks on a recording medium.