JPS5422898A - Paper detecting system - Google Patents

Paper detecting system

Info

Publication number
JPS5422898A
JPS5422898A JP8727877A JP8727877A JPS5422898A JP S5422898 A JPS5422898 A JP S5422898A JP 8727877 A JP8727877 A JP 8727877A JP 8727877 A JP8727877 A JP 8727877A JP S5422898 A JPS5422898 A JP S5422898A
Authority
JP
Japan
Prior art keywords
paper
paper detecting
area
preset
conveying
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
JP8727877A
Other languages
Japanese (ja)
Inventor
Hisashi Takahashi
Susumu Yamakawa
Original Assignee
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Priority to JP8727877A priority Critical patent/JPS5422898A/en
Publication of JPS5422898A publication Critical patent/JPS5422898A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To always accomplish the accurate detection irrespective of the conveying direction of paper by photoelectrically converting the transmitted or reflected lights from the paper for each area to add the output signals from a preset area and by producing the dark signals of the maximum width to effect a preset comparison.
COPYRIGHT: (C)1979,JPO&Japio
JP8727877A 1977-07-22 1977-07-22 Paper detecting system Pending JPS5422898A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8727877A JPS5422898A (en) 1977-07-22 1977-07-22 Paper detecting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8727877A JPS5422898A (en) 1977-07-22 1977-07-22 Paper detecting system

Publications (1)

Publication Number Publication Date
JPS5422898A true JPS5422898A (en) 1979-02-21

Family

ID=13910303

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8727877A Pending JPS5422898A (en) 1977-07-22 1977-07-22 Paper detecting system

Country Status (1)

Country Link
JP (1) JPS5422898A (en)

Cited By (5)

* 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
JPS5972589A (en) * 1982-10-20 1984-04-24 Hitachi Ltd Circuit for discriminating between surface and back of prin-ted matter
JPS6097493A (en) * 1983-11-02 1985-05-31 Oki Electric Ind Co Ltd Paper money damage discriminator
JPS60191380A (en) * 1985-02-15 1985-09-28 Hitachi Ltd Surface-back discriminator for paper money
JPS63182798A (en) * 1987-01-26 1988-07-28 Oki Electric Ind Co Ltd Sheet paper fouling discriminator

Cited By (6)

* 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
JPS5972589A (en) * 1982-10-20 1984-04-24 Hitachi Ltd Circuit for discriminating between surface and back of prin-ted matter
JPS6097493A (en) * 1983-11-02 1985-05-31 Oki Electric Ind Co Ltd Paper money damage discriminator
JPS60191380A (en) * 1985-02-15 1985-09-28 Hitachi Ltd Surface-back discriminator for paper money
JPS63182798A (en) * 1987-01-26 1988-07-28 Oki Electric Ind Co Ltd Sheet paper fouling discriminator

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