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:
Feb. 26, 2002
Filed:
May. 18, 1999
Applicant:
Inventor:
Hideaki Haraga, Hino, JP;
Assignee:
Konica Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 1/702 ;
U.S. Cl.
CPC ...
G03B 1/702 ;
Abstract
In a lens-fitted film unit provided with an unexposed film having an ISO sensitivity Sviso; a lens having a fixed focal length of f (mm) and a fixed f-number F; a shutter having a fixed shutter speed T (sec); a system sensitivity index S is larger than 0 and not larger than 4.5; wherein the system sensitivity index S is represented as follows: S=EV value Ev−Film sensitivity index Sv, Ev=3.32 log (F /T) Sv=3.32 log (0.3×Sviso)