Invention Grant
- Patent Title: Code reading apparatus and computer program product
- Patent Title (中): 代码阅读器和计算机程序产品
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Application No.: US13434246Application Date: 2012-03-29
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Publication No.: US08651384B2Publication Date: 2014-02-18
- Inventor: Yasuaki Ogawa , Keiichi Tanioka
- Applicant: Yasuaki Ogawa , Keiichi Tanioka
- Applicant Address: JP Tokyo
- Assignee: Casio Computer Co., Ltd.
- Current Assignee: Casio Computer Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Holtz, Holtz, Goodman & Chick, PC
- Priority: JP2011-074768 20110330
- Main IPC: G06K7/10
- IPC: G06K7/10 ; G02B1/06

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.
Public/Granted literature
- US20120248190A1 CODE READING APPARATUS AND COMPUTER PROGRAM PRODUCT Public/Granted day:2012-10-04
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