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JPS5410636A - Bar code reader - Google Patents

Bar code reader

Info

Publication number
JPS5410636A
JPS5410636A JP7548077A JP7548077A JPS5410636A JP S5410636 A JPS5410636 A JP S5410636A JP 7548077 A JP7548077 A JP 7548077A JP 7548077 A JP7548077 A JP 7548077A JP S5410636 A JPS5410636 A JP S5410636A
Authority
JP
Japan
Prior art keywords
bar code
code reader
reudce
micropart
stains
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
JP7548077A
Other languages
Japanese (ja)
Inventor
Itaru Fukushima
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP7548077A priority Critical patent/JPS5410636A/en
Publication of JPS5410636A publication Critical patent/JPS5410636A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To reudce the effect due to the stains on the recording medium, by counting independently the area occupied by the specific color tone at the micropart within the unit information pattern in order to compare the areas.
COPYRIGHT: (C)1979,JPO&Japio
JP7548077A 1977-06-27 1977-06-27 Bar code reader Pending JPS5410636A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7548077A JPS5410636A (en) 1977-06-27 1977-06-27 Bar code reader

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7548077A JPS5410636A (en) 1977-06-27 1977-06-27 Bar code reader

Publications (1)

Publication Number Publication Date
JPS5410636A true JPS5410636A (en) 1979-01-26

Family

ID=13577487

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7548077A Pending JPS5410636A (en) 1977-06-27 1977-06-27 Bar code reader

Country Status (1)

Country Link
JP (1) JPS5410636A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6027074A (en) * 1983-07-22 1985-02-12 Matsushita Electric Ind Co Ltd Information reader
JPS61101887A (en) * 1984-10-23 1986-05-20 Matsushita Electric Ind Co Ltd Information card
JPH0250281A (en) * 1988-08-12 1990-02-20 Casio Comput Co Ltd Data recording media and data reading methods and devices

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6027074A (en) * 1983-07-22 1985-02-12 Matsushita Electric Ind Co Ltd Information reader
JPH0157393B2 (en) * 1983-07-22 1989-12-05 Matsushita Electric Ind Co Ltd
JPS61101887A (en) * 1984-10-23 1986-05-20 Matsushita Electric Ind Co Ltd Information card
JPH0250281A (en) * 1988-08-12 1990-02-20 Casio Comput Co Ltd Data recording media and data reading methods and devices

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