Title:
METHOD AND APPARATUS FOR EXAMINING BANKNOTES
Document Type and Number:
Japanese Patent JPS5394995
Kind Code:
A
Abstract:
PURPOSE: To detect transmitted light and reflected light as electric signals and judge the presence or not of watermarks by optically scanning the facial or linear range (watermark portion) near the watermarks of a banknote.
Inventors:
SATOU HITOSHI
ITOU TAKASHI
ITOU TAKASHI
Application Number:
JP911577A
Publication Date:
August 19, 1978
Filing Date:
January 28, 1977
Export Citation:
Assignee:
NIPPON SIGNAL CO LTD
OPERETSUKUSU KK
OPERETSUKUSU KK
International Classes:
G07D7/00; G06K9/00; G06T1/00; G07D7/12; G07D7/20; (IPC1-7): G06F15/20; G06K9/00; G07D7/00