JPH0416342B2 - - Google Patents

Info

Publication number
JPH0416342B2
JPH0416342B2 JP58207262A JP20726283A JPH0416342B2 JP H0416342 B2 JPH0416342 B2 JP H0416342B2 JP 58207262 A JP58207262 A JP 58207262A JP 20726283 A JP20726283 A JP 20726283A JP H0416342 B2 JPH0416342 B2 JP H0416342B2
Authority
JP
Japan
Prior art keywords
value
colorless
colored
color
threshold value
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 - Lifetime
Application number
JP58207262A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60100076A (ja
Inventor
Tatsuro Ozawa
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.)
Toppan Inc
Original Assignee
Toppan Printing 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 Toppan Printing Co Ltd filed Critical Toppan Printing Co Ltd
Priority to JP58207262A priority Critical patent/JPS60100076A/ja
Publication of JPS60100076A publication Critical patent/JPS60100076A/ja
Publication of JPH0416342B2 publication Critical patent/JPH0416342B2/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
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
    • G06K7/10851—Circuits for pulse shaping, amplifying, eliminating noise signals, checking the function of the sensing device
    • 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)
  • Electromagnetism (AREA)
  • Artificial Intelligence (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Geophysics And Detection Of Objects (AREA)
JP58207262A 1983-11-04 1983-11-04 カラ−マ−ク脱刷検査装置 Granted JPS60100076A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58207262A JPS60100076A (ja) 1983-11-04 1983-11-04 カラ−マ−ク脱刷検査装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58207262A JPS60100076A (ja) 1983-11-04 1983-11-04 カラ−マ−ク脱刷検査装置

Publications (2)

Publication Number Publication Date
JPS60100076A JPS60100076A (ja) 1985-06-03
JPH0416342B2 true JPH0416342B2 (enrdf_load_html_response) 1992-03-23

Family

ID=16536875

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58207262A Granted JPS60100076A (ja) 1983-11-04 1983-11-04 カラ−マ−ク脱刷検査装置

Country Status (1)

Country Link
JP (1) JPS60100076A (enrdf_load_html_response)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0776791B2 (ja) * 1986-01-07 1995-08-16 三菱電機株式会社 人を検出する方法
WO1990008580A1 (en) * 1989-01-27 1990-08-09 Kabushikikaisya Nogami Bowling Service Bowling machine having automatic unknocked pin detecting system
JP4497892B2 (ja) * 2003-11-07 2010-07-07 レシップ株式会社 券読取装置

Also Published As

Publication number Publication date
JPS60100076A (ja) 1985-06-03

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