JPS626276B2 - - Google Patents

Info

Publication number
JPS626276B2
JPS626276B2 JP2477482A JP2477482A JPS626276B2 JP S626276 B2 JPS626276 B2 JP S626276B2 JP 2477482 A JP2477482 A JP 2477482A JP 2477482 A JP2477482 A JP 2477482A JP S626276 B2 JPS626276 B2 JP S626276B2
Authority
JP
Japan
Prior art keywords
mark
data
reading
marks
positive
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.)
Expired
Application number
JP2477482A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58142485A (ja
Inventor
Tatsuo Sawajiri
Shiro Kitsugya
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 JP2477482A priority Critical patent/JPS58142485A/ja
Publication of JPS58142485A publication Critical patent/JPS58142485A/ja
Publication of JPS626276B2 publication Critical patent/JPS626276B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/12—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using a selected wavelength, e.g. to sense red marks and ignore blue marks

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
JP2477482A 1982-02-18 1982-02-18 マ−ク帳票およびその読取り方式 Granted JPS58142485A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2477482A JPS58142485A (ja) 1982-02-18 1982-02-18 マ−ク帳票およびその読取り方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2477482A JPS58142485A (ja) 1982-02-18 1982-02-18 マ−ク帳票およびその読取り方式

Publications (2)

Publication Number Publication Date
JPS58142485A JPS58142485A (ja) 1983-08-24
JPS626276B2 true JPS626276B2 (en:Method) 1987-02-09

Family

ID=12147513

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2477482A Granted JPS58142485A (ja) 1982-02-18 1982-02-18 マ−ク帳票およびその読取り方式

Country Status (1)

Country Link
JP (1) JPS58142485A (en:Method)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6062165U (ja) * 1983-10-05 1985-05-01 大日本印刷株式会社 光学検知マ−クを有する情報記録用カ−ド
JPS6180370A (ja) * 1984-09-27 1986-04-23 Tokyo Electric Co Ltd バ−コ−ド読取装置
JPS6180369A (ja) * 1984-09-27 1986-04-23 Tokyo Electric Co Ltd バ−コ−ド読取装置
JPS6194189A (ja) * 1984-10-15 1986-05-13 Matsushita Electric Ind Co Ltd 情報カ−ド

Also Published As

Publication number Publication date
JPS58142485A (ja) 1983-08-24

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