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. 10, 1998
Filed:
Jun. 06, 1996
Applicant:
Inventors:
Kenji Mizumoto, Osaka, JP;
Satoshi Hamada, Sakai, JP;
Assignee:
Minolta Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ; G03B / ;
U.S. Cl.
CPC ...
396210 ; 396319 ; 396389 ; 396390 ;
Abstract
A judging device for judging an unexposed frame of a film having a magnetic recording portion recordable with a magnetic signal, includes: a magnetic header for scanning the magnetic recording portion; a divider for dividing the magnetic recording portion into a plurality of blocks; a first judger for judging whether blocks bear a magnetic signal block by block; and a second judger for judging whether the frame corresponding to the magnetic recording portion has been exposed.