JP4401947B2 - 刻印読取り装置 - Google Patents
刻印読取り装置 Download PDFInfo
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- JP4401947B2 JP4401947B2 JP2004358647A JP2004358647A JP4401947B2 JP 4401947 B2 JP4401947 B2 JP 4401947B2 JP 2004358647 A JP2004358647 A JP 2004358647A JP 2004358647 A JP2004358647 A JP 2004358647A JP 4401947 B2 JP4401947 B2 JP 4401947B2
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- light
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- reading
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Description
Claims (2)
- 読取り領域で照らし出された読取対象物を撮像するための刻印読取り装置において、
筐体内の駆動回路基板上で環状に配置されて外方に向けて光を出射する照明部と、
前記読取対象物で反射した光を受光して前記読取対象物を撮像する撮像部と、
前記照明部と前記撮像部との間に配置され、前記読取対象物からの反射光を前記撮像部に集光させる集光レンズ部と、
前記筐体内で前記照明部を取り囲むように配置されて、前記照明部の発光面から出射される利用光を前記読取り領域に向けて反射させる主反射面と、
前記照明部の前記駆動回路基板側で前記主反射面に隣接して配置された第1の反射面と、
前記読取り領域側で前記主反射面に隣接して配置された第2の反射面とを備え、
前記第1の反射面は、前記照明部の前記発光面から出射される非利用光を前記第2の反射面に向けて反射させ、前記第2の反射面は、前記第1の反射面からの光を前記読取り領域に向けて反射させることを特徴とする刻印読取り装置。 - 前記第2の反射面にはマット処理が施されていることを特徴とする請求項1記載の刻印読取り装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2004358647A JP4401947B2 (ja) | 2004-12-10 | 2004-12-10 | 刻印読取り装置 |
Applications Claiming Priority (1)
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JP2004358647A JP4401947B2 (ja) | 2004-12-10 | 2004-12-10 | 刻印読取り装置 |
Publications (2)
Publication Number | Publication Date |
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JP2006164178A JP2006164178A (ja) | 2006-06-22 |
JP4401947B2 true JP4401947B2 (ja) | 2010-01-20 |
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JP2004358647A Expired - Fee Related JP4401947B2 (ja) | 2004-12-10 | 2004-12-10 | 刻印読取り装置 |
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JP (1) | JP4401947B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP5230327B2 (ja) * | 2008-09-30 | 2013-07-10 | 日本電産コパル株式会社 | 刻印読取り装置 |
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JP2006164178A (ja) | 2006-06-22 |
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