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:
Oct. 12, 1993
Filed:
Jul. 25, 1991
Applicant:
Inventor:
Hisashi Asano, Tokyo, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360 191 ; 360 721 ; 360 7306 ;
Abstract
In a recording and/or reproducing apparatus, a recording medium is reproduced for a predetermined period of time when it is detected by sequentially searching the record medium that date information recorded on the recording medium has changed at least a predetermined amount. A scan reproduction may be achieved in the form of information units, information units being different in point of recording time from each other.