PAPER SHEET IDENTIFICATION DEVICE AND PAPER SHEET IDENTIFICATION METHOD

PAPER SHEET IDENTIFICATION DEVICE AND PAPER SHEET IDENTIFICATION METHOD

The present disclosure can provide a paper sheet recognition apparatus which can generate a subtracted reflective light image without increasing detection time. The operations of sensors (20, 30) are controlled in a plurality of phases. The phases include a phase (reflected infrared light 1) in whic...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: YANAGIUCHI, Takahiro, BOGAKI, Akira
Format: Patent
Sprache:eng
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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Beschreibung
Zusammenfassung:The present disclosure can provide a paper sheet recognition apparatus which can generate a subtracted reflective light image without increasing detection time. The operations of sensors (20, 30) are controlled in a plurality of phases. The phases include a phase (reflected infrared light 1) in which a light emission unit (22a) emits light, a light emission unit (22b) emits no light, and an optical sensor (21) detects reflective light, and a phase (reflected infrared light 2) in which the light emission unit (22a) emits no light, the light emission unit (22b) emits light, and the optical sensor (21) detects reflective light. In at least one of these phases, a light emission unit (24) emits light, and an optical sensor (31) detects transmissive light.