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JPS53100895A - Inspecting method and apparatus for bank notes - Google Patents

Inspecting method and apparatus for bank notes

Info

Publication number
JPS53100895A
JPS53100895A JP1538777A JP1538777A JPS53100895A JP S53100895 A JPS53100895 A JP S53100895A JP 1538777 A JP1538777 A JP 1538777A JP 1538777 A JP1538777 A JP 1538777A JP S53100895 A JPS53100895 A JP S53100895A
Authority
JP
Japan
Prior art keywords
bank notes
inspecting method
soil
compare
influence
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.)
Pending
Application number
JP1538777A
Other languages
Japanese (ja)
Inventor
Hitonori Sato
Takashi Ito
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
OPERETSUKUSU KK
Nippon Signal Co Ltd
Original Assignee
OPERETSUKUSU KK
Nippon Signal Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by OPERETSUKUSU KK, Nippon Signal Co Ltd filed Critical OPERETSUKUSU KK
Priority to JP1538777A priority Critical patent/JPS53100895A/en
Publication of JPS53100895A publication Critical patent/JPS53100895A/en
Pending legal-status Critical Current

Links

Landscapes

  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Image Input (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)

Abstract

PURPOSE: To ensure the reliable inspection of bank notes without any influence from soil by optically detecting the watermarked pattern portion of the bank notes to compare ti with a reference signal level.
COPYRIGHT: (C)1978,JPO&Japio
JP1538777A 1977-02-15 1977-02-15 Inspecting method and apparatus for bank notes Pending JPS53100895A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1538777A JPS53100895A (en) 1977-02-15 1977-02-15 Inspecting method and apparatus for bank notes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1538777A JPS53100895A (en) 1977-02-15 1977-02-15 Inspecting method and apparatus for bank notes

Publications (1)

Publication Number Publication Date
JPS53100895A true JPS53100895A (en) 1978-09-02

Family

ID=11887322

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1538777A Pending JPS53100895A (en) 1977-02-15 1977-02-15 Inspecting method and apparatus for bank notes

Country Status (1)

Country Link
JP (1) JPS53100895A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57121780A (en) * 1981-01-22 1982-07-29 Nippon Coinco Co Ltd Authenticity discriminator for paper currency
JPS6061883A (en) * 1983-09-14 1985-04-09 グローリー工業株式会社 Sheet paper identifier
JPS61143897A (en) * 1984-12-18 1986-07-01 株式会社東芝 Detector for sheet paper
JPH01255982A (en) * 1988-04-06 1989-10-12 Toshiba Corp Printed matter discriminating device
JPH01151368U (en) * 1988-04-07 1989-10-19
US7133536B2 (en) 2000-08-30 2006-11-07 International Business Machines Corporation Method and system for watermark detection
US7840056B2 (en) 2005-07-25 2010-11-23 Fujitsu Limited Paper sheet processor

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57121780A (en) * 1981-01-22 1982-07-29 Nippon Coinco Co Ltd Authenticity discriminator for paper currency
JPS6362790B2 (en) * 1981-01-22 1988-12-05
JPS6061883A (en) * 1983-09-14 1985-04-09 グローリー工業株式会社 Sheet paper identifier
JPS61143897A (en) * 1984-12-18 1986-07-01 株式会社東芝 Detector for sheet paper
JPH01255982A (en) * 1988-04-06 1989-10-12 Toshiba Corp Printed matter discriminating device
JPH01151368U (en) * 1988-04-07 1989-10-19
US7133536B2 (en) 2000-08-30 2006-11-07 International Business Machines Corporation Method and system for watermark detection
US7840056B2 (en) 2005-07-25 2010-11-23 Fujitsu Limited Paper sheet processor

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