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:
Sep. 23, 1986
Filed:
Dec. 04, 1984
Applicant:
Inventor:
Takahiro Ohta, Kaisei, JP;
Assignee:
Fuji Photo Film Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
360-3 ; 352 27 ; 352 37 ; 428900 ; 430934 ;
Abstract
Photographic film is provided with a magnetic recording layer applied to at least one edge surface thereof in the longitudinal direction of the film and substantially over the entire thickness thereof. A magnetic head of a recording-reproducing system is positioned upon recording or reproduction so that a magnetic field is established in the direction of thickness of the film or the direction of width of the magnetic recording layer.