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:
Sep. 18, 2001
Filed:
Jun. 28, 2000
Applicant:
Inventors:
Assignee:
Motorola, Inc., Schaumburg, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 1/514 ;
U.S. Cl.
CPC ...
G02B 1/514 ;
Abstract
A method (,) for automatically focusing an optical instrument (,) having a lens (,) with only two focus positions. The method comprises acquiring a first image (,) when the lens (,) is in a first position (,) and thereafter processing pixel light intensities (,) of part of the image to provide a focus detection value indicative of image blurr. A threshold test (,) is then effected and if the focus detection value is outside a desired range the lens (,) is automatically moved to a second position (,).
Wu, Jing. (2001). Automatically focusing an optical instrument having a lens with only two focus positions (U.S. Patent No. 6292307). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6292307
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