JPS5259529A - Mark reading system and device - Google Patents

Mark reading system and device

Info

Publication number
JPS5259529A
JPS5259529A JP50135078A JP13507875A JPS5259529A JP S5259529 A JPS5259529 A JP S5259529A JP 50135078 A JP50135078 A JP 50135078A JP 13507875 A JP13507875 A JP 13507875A JP S5259529 A JPS5259529 A JP S5259529A
Authority
JP
Japan
Prior art keywords
reading system
mark reading
mark
color
scanned
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
JP50135078A
Other languages
Japanese (ja)
Inventor
Kurahiro Hananoi
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 JP50135078A priority Critical patent/JPS5259529A/en
Publication of JPS5259529A publication Critical patent/JPS5259529A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: Prescribed small areas in each row are scanned to detect the depth of the color in each point;and from the total value of the color strength, the presence of absence of the mark is detected, thereby giving accurate judgement on marks.
COPYRIGHT: (C)1977,JPO&Japio
JP50135078A 1975-11-12 1975-11-12 Mark reading system and device Pending JPS5259529A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50135078A JPS5259529A (en) 1975-11-12 1975-11-12 Mark reading system and device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50135078A JPS5259529A (en) 1975-11-12 1975-11-12 Mark reading system and device

Publications (1)

Publication Number Publication Date
JPS5259529A true JPS5259529A (en) 1977-05-17

Family

ID=15143313

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50135078A Pending JPS5259529A (en) 1975-11-12 1975-11-12 Mark reading system and device

Country Status (1)

Country Link
JP (1) JPS5259529A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4922333A (en) * 1972-06-21 1974-02-27
JPS4929031A (en) * 1972-07-12 1974-03-15
JPS5061934A (en) * 1973-09-18 1975-05-27

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4922333A (en) * 1972-06-21 1974-02-27
JPS4929031A (en) * 1972-07-12 1974-03-15
JPS5061934A (en) * 1973-09-18 1975-05-27

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