发明名称 |
Code reading apparatus and computer program product |
摘要 |
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. |
申请公布号 |
US8651384(B2) |
申请公布日期 |
2014.02.18 |
申请号 |
US201213434246 |
申请日期 |
2012.03.29 |
申请人 |
OGAWA YASUAKI;TANIOKA KEIICHI;CASIO COMPUTER CO., LTD. |
发明人 |
OGAWA YASUAKI;TANIOKA KEIICHI |
分类号 |
G06K7/10;G02B1/06 |
主分类号 |
G06K7/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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