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.

Date of Patent:
Feb. 10, 1998

Filed:

Nov. 22, 1996
Applicant:
Inventors:

Shigeto Ohmori, Kawachinagano, JP;

Ichiro Kasai, Sakai, JP;

Jun Ishihara, Kobe, JP;

Ichiro Tsujimura, Higashiosaka, JP;

Assignee:

Minolta Co., Ltd., Osaka, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
396274 ; 396268 ; 396271 ;
Abstract

Camera capable of indicating set photographic field by masking an area out of the photographic field nearby an image forming plane within a visual field of a viewfinder or lowering transmittance of the area in accordance with a change of photography format such as from an ordinary shot to a panoramic shot. The camera includes light-receiving elements for photometry which output a signal in response to amount of light transmitted through the image forming plane within an optical path of the viewfinder, a correcting circuit for correcting the element output in response to the set photographic field, and a photometry circuit for calculating a photometric value.


Find Patent Forward Citations

Loading…