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JPS5360523A - Signal tertiary-coding system - Google Patents

Signal tertiary-coding system

Info

Publication number
JPS5360523A
JPS5360523A JP13533176A JP13533176A JPS5360523A JP S5360523 A JPS5360523 A JP S5360523A JP 13533176 A JP13533176 A JP 13533176A JP 13533176 A JP13533176 A JP 13533176A JP S5360523 A JPS5360523 A JP S5360523A
Authority
JP
Japan
Prior art keywords
coding system
signal
tertiary
signal tertiary
truth
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.)
Granted
Application number
JP13533176A
Other languages
Japanese (ja)
Other versions
JPS5951031B2 (en
Inventor
Michihiro Mese
Masakazu Ejiri
Toshinori Fujioka
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP51135331A priority Critical patent/JPS5951031B2/en
Publication of JPS5360523A publication Critical patent/JPS5360523A/en
Publication of JPS5951031B2 publication Critical patent/JPS5951031B2/en
Expired legal-status Critical Current

Links

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

Abstract

PURPOSE: The differential value of the waveform between adjacent sensors is compared with the prescribed threshold value to cancel the difference in level between the original signals, thereby outputting the signal which is effective and stable for deciding the truth.
COPYRIGHT: (C)1978,JPO&Japio
JP51135331A 1976-11-12 1976-11-12 Signal ternary method Expired JPS5951031B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51135331A JPS5951031B2 (en) 1976-11-12 1976-11-12 Signal ternary method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51135331A JPS5951031B2 (en) 1976-11-12 1976-11-12 Signal ternary method

Publications (2)

Publication Number Publication Date
JPS5360523A true JPS5360523A (en) 1978-05-31
JPS5951031B2 JPS5951031B2 (en) 1984-12-12

Family

ID=15149257

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51135331A Expired JPS5951031B2 (en) 1976-11-12 1976-11-12 Signal ternary method

Country Status (1)

Country Link
JP (1) JPS5951031B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5585992A (en) * 1978-12-18 1980-06-28 Gretag Ag Examine method of printing quality
JPS5624685A (en) * 1979-08-06 1981-03-09 Nippon Electric Co Method and device for identifying note
JPS60191378A (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
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 (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5585992A (en) * 1978-12-18 1980-06-28 Gretag Ag Examine method of printing quality
JPS5624685A (en) * 1979-08-06 1981-03-09 Nippon Electric Co Method and device for identifying note
JPS60191378A (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
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

Also Published As

Publication number Publication date
JPS5951031B2 (en) 1984-12-12

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