JP5352093B2 - 生体認証用撮影装置 - Google Patents
生体認証用撮影装置 Download PDFInfo
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- JP5352093B2 JP5352093B2 JP2008040814A JP2008040814A JP5352093B2 JP 5352093 B2 JP5352093 B2 JP 5352093B2 JP 2008040814 A JP2008040814 A JP 2008040814A JP 2008040814 A JP2008040814 A JP 2008040814A JP 5352093 B2 JP5352093 B2 JP 5352093B2
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- Prior art keywords
- lens
- mirror
- biometric authentication
- reflecting
- imaging device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000003384 imaging method Methods 0.000 title claims description 32
- 230000003287 optical effect Effects 0.000 description 5
- 210000003462 vein Anatomy 0.000 description 4
- 230000004907 flux Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001028 reflection method Methods 0.000 description 1
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Image Input (AREA)
Description
Claims (2)
- 生体認証用撮影装置であって、
光源からの光が生体に照射され、該生体を透過した透過光により得られる生体情報を撮
像する撮像素子と、
前記撮像素子に光像を集光させるレンズと、
開口部から入射する光像を前記レンズに向けて反射させるための反射部と、
前記レンズ及び前記反射部を保持するための保持部材と、を有し、
前記反射部の反射面の少なくとも一部が、前記レンズと前記開口部に対して凸面である
とともに、円筒の一部の形状に形成された曲面ミラーで構成されており、
前記反射部は、1枚のミラーによって構成され、
前記ミラーの反射面は平面部分と曲面部分を有し、前記曲面部分が前記撮像素子に近い
側に設けられていることを特徴とする
生体認証用撮影装置。 - 生体認証用撮影装置であって、
光源からの光が生体に照射され、該生体を透過した透過光により得られる生体情報を撮
像する撮像素子と、
前記撮像素子に光像を集光させるレンズと、
開口部から入射する光像を前記レンズに向けて反射させるための反射部と、
前記レンズ及び前記反射部を保持するための保持部材と、を有し、
前記反射部の反射面の少なくとも一部が、前記レンズと前記開口部に対して凸面である
とともに、円筒の一部の形状に形成された曲面ミラーで構成されており、
前記反射部は、少なくとも2枚のミラーにより構成され、前記少なくとも2枚のミラー
の少なくとも一つの反射面の全面又は一部が曲面になっていることを特徴とする生体認証
用撮影装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008040814A JP5352093B2 (ja) | 2008-02-22 | 2008-02-22 | 生体認証用撮影装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008040814A JP5352093B2 (ja) | 2008-02-22 | 2008-02-22 | 生体認証用撮影装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009199377A JP2009199377A (ja) | 2009-09-03 |
JP5352093B2 true JP5352093B2 (ja) | 2013-11-27 |
Family
ID=41142799
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008040814A Active JP5352093B2 (ja) | 2008-02-22 | 2008-02-22 | 生体認証用撮影装置 |
Country Status (1)
Country | Link |
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JP (1) | JP5352093B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020037210A2 (en) * | 2018-08-16 | 2020-02-20 | Essenlix Corporation | Surface color and liquid contact angle imaging |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001142606A (ja) * | 1999-11-15 | 2001-05-25 | Mitsubishi Electric Corp | 携帯型電子機器 |
JP2001268416A (ja) * | 2000-03-15 | 2001-09-28 | Matsushita Electric Ind Co Ltd | 反射型撮像装置 |
JP4687282B2 (ja) * | 2005-06-30 | 2011-05-25 | 株式会社富士通ゼネラル | 車両用監視カメラ装置 |
JP2007202588A (ja) * | 2006-01-30 | 2007-08-16 | Mitsubishi Electric Corp | 指紋照合装置 |
JP2008036226A (ja) | 2006-08-08 | 2008-02-21 | Sony Corp | 静脈認証用撮像ユニット及び電子機器 |
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2008
- 2008-02-22 JP JP2008040814A patent/JP5352093B2/ja active Active
Also Published As
Publication number | Publication date |
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JP2009199377A (ja) | 2009-09-03 |
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