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:
Jul. 27, 1993
Filed:
Sep. 05, 1991
Applicant:
Inventors:
Tadashi Uekusa, Kanagawa, JP;
Hiroshi Murakami, Kanagawa, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
355 29 ; 355 40 ; 352-5 ; 352 27 ; 352 92 ;
Abstract
A method of recording information onto a photographic film provided with a magnetic recording layer comprises steps of reading once the information recorded on a predetermined track of the magnetic recording layer and recording it again onto the same track. In consequence, recording of the information can be conducted using a recording signal of high signal strength to improve the reliability of the information.