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:
May. 05, 1998
Filed:
Jul. 25, 1997
Applicant:
Inventor:
Hiroshi Sakurai, Kawasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
396319 ;
Abstract
A camera or an apparatus adapted to use a film with a magnetic memory portion, or a device adapted for such a camera or an apparatus has a magnetic head for at least one of writing information to the magnetic memory portion of the film and reading information from the magnetic memory portion, and a tool application portion for applying a tool for checking the performance of the magnetic head.