JPS5597668A - Optical information reader - Google Patents

Optical information reader

Info

Publication number
JPS5597668A
JPS5597668A JP432579A JP432579A JPS5597668A JP S5597668 A JPS5597668 A JP S5597668A JP 432579 A JP432579 A JP 432579A JP 432579 A JP432579 A JP 432579A JP S5597668 A JPS5597668 A JP S5597668A
Authority
JP
Japan
Prior art keywords
light source
reflection factor
paper
black
writing tools
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
JP432579A
Other languages
English (en)
Inventor
Hajime Nanbu
Taketo Toyoda
Hidekazu Noguchi
Yoshinori Anzai
Masaru Kamimura
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 Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP432579A priority Critical patent/JPS5597668A/ja
Publication of JPS5597668A publication Critical patent/JPS5597668A/ja
Pending legal-status Critical Current

Links

JP432579A 1979-01-18 1979-01-18 Optical information reader Pending JPS5597668A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP432579A JPS5597668A (en) 1979-01-18 1979-01-18 Optical information reader

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP432579A JPS5597668A (en) 1979-01-18 1979-01-18 Optical information reader

Publications (1)

Publication Number Publication Date
JPS5597668A true JPS5597668A (en) 1980-07-25

Family

ID=11581290

Family Applications (1)

Application Number Title Priority Date Filing Date
JP432579A Pending JPS5597668A (en) 1979-01-18 1979-01-18 Optical information reader

Country Status (1)

Country Link
JP (1) JPS5597668A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5924383A (ja) * 1982-07-29 1984-02-08 Nippon Denso Co Ltd バ−コ−ド読取装置
US4818847A (en) * 1982-07-29 1989-04-04 Nippondenso Co., Ltd. Apparatus for optically reading printed information
JP2013202508A (ja) * 2012-03-28 2013-10-07 Seiko Epson Corp 液滴吐出装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS538012A (en) * 1976-07-10 1978-01-25 Toshiba Corp Facsimile trnsmission unit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS538012A (en) * 1976-07-10 1978-01-25 Toshiba Corp Facsimile trnsmission unit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5924383A (ja) * 1982-07-29 1984-02-08 Nippon Denso Co Ltd バ−コ−ド読取装置
JPS6217270B2 (ja) * 1982-07-29 1987-04-16 Nippon Denso Co
US4818847A (en) * 1982-07-29 1989-04-04 Nippondenso Co., Ltd. Apparatus for optically reading printed information
JP2013202508A (ja) * 2012-03-28 2013-10-07 Seiko Epson Corp 液滴吐出装置

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