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. 12, 1988
Filed:
Jul. 22, 1985
Applicant:
Inventors:
Yoshio Miura, Yokohama, JP;
Motoyuki Suzuki, Yokohama, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
369 47 ; 369 33 ;
Abstract
A control circuit for an optical information recording apparatus having a recording device for optically recording information on a recording track of a recording medium, a recording positioning detection device detects the recording start position mark cut on the recording track when a recording start is commanded. Then, recording is started and continued for a predetermined number of tracks. When it is desired to interrupt the recording in mid course, a recording interruption is commanded and the recording is interrupted only when the first recording start position marks after the recording interruption command, has been detected.