JPH0257771B2 - - Google Patents

Info

Publication number
JPH0257771B2
JPH0257771B2 JP58172778A JP17277883A JPH0257771B2 JP H0257771 B2 JPH0257771 B2 JP H0257771B2 JP 58172778 A JP58172778 A JP 58172778A JP 17277883 A JP17277883 A JP 17277883A JP H0257771 B2 JPH0257771 B2 JP H0257771B2
Authority
JP
Japan
Prior art keywords
signal
difference
printed matter
signal obtained
pixel
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
JP58172778A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6064850A (ja
Inventor
Toshiaki Masuda
Koichi Ishizuka
Toshiji Fujita
Yoshio Kinoshita
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.)
Mitsubishi Heavy Industries Ltd
Toppan Inc
Original Assignee
Mitsubishi Heavy Industries Ltd
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 Mitsubishi Heavy Industries Ltd, Toppan Printing Co Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP58172778A priority Critical patent/JPS6064850A/ja
Publication of JPS6064850A publication Critical patent/JPS6064850A/ja
Publication of JPH0257771B2 publication Critical patent/JPH0257771B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/0036—Devices for scanning or checking the printed matter for quality control

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)
JP58172778A 1983-09-19 1983-09-19 印刷物の検査方法及び装置 Granted JPS6064850A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58172778A JPS6064850A (ja) 1983-09-19 1983-09-19 印刷物の検査方法及び装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58172778A JPS6064850A (ja) 1983-09-19 1983-09-19 印刷物の検査方法及び装置

Publications (2)

Publication Number Publication Date
JPS6064850A JPS6064850A (ja) 1985-04-13
JPH0257771B2 true JPH0257771B2 (enrdf_load_stackoverflow) 1990-12-05

Family

ID=15948170

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58172778A Granted JPS6064850A (ja) 1983-09-19 1983-09-19 印刷物の検査方法及び装置

Country Status (1)

Country Link
JP (1) JPS6064850A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003025690A (ja) * 2001-07-16 2003-01-29 Canon Inc 画像形成装置

Also Published As

Publication number Publication date
JPS6064850A (ja) 1985-04-13

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