JPS5394996A - Method and appparatus for examining banknotes - Google Patents

Method and appparatus for examining banknotes

Info

Publication number
JPS5394996A
JPS5394996A JP911677A JP911677A JPS5394996A JP S5394996 A JPS5394996 A JP S5394996A JP 911677 A JP911677 A JP 911677A JP 911677 A JP911677 A JP 911677A JP S5394996 A JPS5394996 A JP S5394996A
Authority
JP
Japan
Prior art keywords
appparatus
banknotes
examining
watermark
signal corresponding
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
JP911677A
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 JP911677A priority Critical patent/JPS5394996A/en
Publication of JPS5394996A publication Critical patent/JPS5394996A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To accurately perform the recognition of the genuineness of banknotes by judging the level difference or ratio of the signal corresponding to the watermark portion in the detection signal by the transmitted light or reflected light from the banknote and the signal corresponding to the other portion and the presence or not of the watermark.
COPYRIGHT: (C)1978,JPO&Japio
JP911677A 1977-01-28 1977-01-28 Method and appparatus for examining banknotes Pending JPS5394996A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP911677A JPS5394996A (en) 1977-01-28 1977-01-28 Method and appparatus for examining banknotes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP911677A JPS5394996A (en) 1977-01-28 1977-01-28 Method and appparatus for examining banknotes

Publications (1)

Publication Number Publication Date
JPS5394996A true JPS5394996A (en) 1978-08-19

Family

ID=11711655

Family Applications (1)

Application Number Title Priority Date Filing Date
JP911677A Pending JPS5394996A (en) 1977-01-28 1977-01-28 Method and appparatus for examining banknotes

Country Status (1)

Country Link
JP (1) JPS5394996A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5762477A (en) * 1980-10-02 1982-04-15 Matsushita Electric Ind Co Ltd Note identifying device
JPS5996667U (en) * 1982-12-20 1984-06-30 オムロン株式会社 Banknote identification device
JPS60191379A (en) * 1984-03-13 1985-09-28 東洋エレクトロニクス株式会社 Authenticity identifier for sheet papers

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5762477A (en) * 1980-10-02 1982-04-15 Matsushita Electric Ind Co Ltd Note identifying device
JPS5996667U (en) * 1982-12-20 1984-06-30 オムロン株式会社 Banknote identification device
JPS60191379A (en) * 1984-03-13 1985-09-28 東洋エレクトロニクス株式会社 Authenticity identifier for sheet papers

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