JPS5258944A - Pattern reading method - Google Patents

Pattern reading method

Info

Publication number
JPS5258944A
JPS5258944A JP13540275A JP13540275A JPS5258944A JP S5258944 A JPS5258944 A JP S5258944A JP 13540275 A JP13540275 A JP 13540275A JP 13540275 A JP13540275 A JP 13540275A JP S5258944 A JPS5258944 A JP S5258944A
Authority
JP
Japan
Prior art keywords
reading method
pattern reading
pattern
read
readers
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
JP13540275A
Other languages
Japanese (ja)
Inventor
Hiroyasu Murakami
Tadashi Ito
Fumio Ito
Nobuhiko Shinoda
Nobuaki Sakurada
Masaharu Kawamura
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP13540275A priority Critical patent/JPS5258944A/en
Publication of JPS5258944A publication Critical patent/JPS5258944A/en
Pending legal-status Critical Current

Links

Landscapes

  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Analogue/Digital Conversion (AREA)

Abstract

PURPOSE: To prevent read errors caused by a contact point making contact with adjacent block depending on the shapes of readers when a pattern of coded disc representing digital value is read.
COPYRIGHT: (C)1977,JPO&Japio
JP13540275A 1975-11-11 1975-11-11 Pattern reading method Pending JPS5258944A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13540275A JPS5258944A (en) 1975-11-11 1975-11-11 Pattern reading method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13540275A JPS5258944A (en) 1975-11-11 1975-11-11 Pattern reading method

Publications (1)

Publication Number Publication Date
JPS5258944A true JPS5258944A (en) 1977-05-14

Family

ID=15150868

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13540275A Pending JPS5258944A (en) 1975-11-11 1975-11-11 Pattern reading method

Country Status (1)

Country Link
JP (1) JPS5258944A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59142898U (en) * 1983-03-14 1984-09-25 日本電産コパル株式会社 Code plate for encoder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59142898U (en) * 1983-03-14 1984-09-25 日本電産コパル株式会社 Code plate for encoder

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