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. 12, 2002
Filed:
Feb. 27, 2001
Applicant:
Inventors:
Assignee:
Fuji Photo Optical Co., Ltd., Saitama, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 1/700 ;
U.S. Cl.
CPC ...
G03B 1/700 ;
Abstract
A flexible circuit board has a magnetic head interface IC soldered on a tongue-shaped portion, which is folded such that the magnetic head interface IC is put inside. A front and a rear side of the magnetic head interface IC is covered with shield patterns. After exposure, the magnetic head interface IC drives the magnetic head to record some information of photography to a recording area in a photo film. When an film cartridge is loaded, the information in the recording area is read out for finding an unexposed frame. In recording and reading, the shield patterns absorb magnetic waves generated nearby the magnetic head interface IC, so that recording and reading signals are not interfered.