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:
Feb. 18, 2014
Filed:
Mar. 29, 2012
Applicants:
Yasuaki Ogawa, Tachikawa, JP;
Keiichi Tanioka, Ome, JP;
Inventors:
Yasuaki Ogawa, Tachikawa, JP;
Keiichi Tanioka, Ome, JP;
Assignee:
Casio Computer Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K 7/10 (2006.01); G02B 1/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A code reading apparatus includes: a storage section storing an applied voltage table showing a relationship between a focal distance of a liquid lens and an applied voltage to the liquid lens; a laser focus section performing laser focus adjustment; a contrast focus section performing contrast focus adjustment; and a correction section correcting a content of the applied voltage table based on a distance from the liquid lens to a subject found by the laser focus section and a corresponding applied voltage with which the subject is brought into focus by the contrast focus section.