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:
Jul. 24, 1990

Filed:

Nov. 10, 1988
Applicant:
Inventors:

Takayuki Nabeshima, Osaka, JP;

Toru Matsui, Osaka, JP;

Yukio Maekawa, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ; G01C / ;
U.S. Cl.
CPC ...
354400 ; 354403 ; 356-4 ;
Abstract

The present invention relates to a device for measuring object distance or an in-focus position used for a camera in which the object distance of focus adjusting condition are measured in a plurality of distance measuring areas in the photographing scene. The device is so constructed as to judge a main object from weight data in correspondence not only with the object distance of each distance measuring area but with the position thereof in the photographing scene. Further, when there is an object nearer than a predetermined distance, the main object is judged from whether the object has a size larger than a predetermined size in the photographing scene. Furthermore, it is judged from the difference between the object distances of adjacent distance measuring areas whether the objects are the same object.


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Nabeshima, Takayuki. (1990). Device for measuring object distance used for camera (U.S. Patent No. 4943824). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4943824

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