OPTICAL LINEAR SENSOR UNIT

OPTICAL LINEAR SENSOR UNIT

A reflective member 17 is disposed on the optical path from the linear light source to the lens array 11. An ultraviolet light blocking filter 15 is provided closer to a light-receiving unit 12 than the reflective member 17. A color filter 18 is provided closer to the light-receiving unit 12 than th...

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Bibliographische Detailangaben
Hauptverfasser: BOGAKI, Akira, HAYASHI, Yasutoshi, NISHIKAWA, Masashi, RYUMAN, Kazuaki
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CHECKING-DEVICES
HANDLING OF COINS OR OF PAPER CURRENCY OR SIMILAR VALUABLEPAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING,DISPENSING, CHANGING OR DEPOSITING
PHYSICS
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Zusammenfassung:A reflective member 17 is disposed on the optical path from the linear light source to the lens array 11. An ultraviolet light blocking filter 15 is provided closer to a light-receiving unit 12 than the reflective member 17. A color filter 18 is provided closer to the light-receiving unit 12 than the ultraviolet light blocking filter 15. A light-receiving surface 12A of the light-receiving unit 12 has a first region 121 opposed to the reflective member 17 without the ultraviolet light blocking filter 15 and the color filter 18 interposed therebetween, a second region 122 opposed to the reflective member 17 and the ultraviolet light blocking filter 15 without the color filter 18 interposed therebetween, and a third region 123 opposed to the reflective member 17, the ultraviolet light blocking filter 15, and the color filter 18.