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:
Jan. 28, 1997
Filed:
Jan. 02, 1996
Applicant:
Inventors:
Akio Kinba, Suita, JP;
Masataka Hamada, Osakasayama, JP;
Hiroshi Ueda, Habikino, JP;
Kazumi Sugitani, Yao, JP;
Hiroshi Ootsuka, Sakai, JP;
Assignee:
Minolta Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
2502017 ; 2502018 ; 396125 ;
Abstract
An auto focus detecting device capable of focus detection by a contrast detecting method and a phase-difference detecting method. In accordance with a condition of an object, either one of detecting method is selected, and then an amount of defocus is calculated based on a result obtained by the selected detecting method.