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:
Apr. 24, 2001
Filed:
Nov. 27, 1998
Isamu Hirai, Tokyo, JP;
Tadahisa Ohkura, Saitama, JP;
Asahi Kogaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
A photometering apparatus for a camera including a photometering sensor which receives object light transmitted through a focusing plate and measures the brightness of an object; and a focusing plate holding device which detachably holds the focusing plate includes: a discrimination device which discriminates the type of focusing plate held by the focusing plate holding device, and a controller which selects a photometering algorithm and/or a parameter corresponding to the discriminated focusing plate from a plurality of photometering algorithms and parameters.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile