JPS533734A - Optical reader - Google Patents

Optical reader

Info

Publication number
JPS533734A
JPS533734A JP7707276A JP7707276A JPS533734A JP S533734 A JPS533734 A JP S533734A JP 7707276 A JP7707276 A JP 7707276A JP 7707276 A JP7707276 A JP 7707276A JP S533734 A JPS533734 A JP S533734A
Authority
JP
Japan
Prior art keywords
optical reader
compensate
stably
varies
gradually
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
JP7707276A
Other languages
Japanese (ja)
Inventor
Masaru Baba
Masahito Hodai
Shuhei Inamori
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP7707276A priority Critical patent/JPS533734A/en
Publication of JPS533734A publication Critical patent/JPS533734A/en
Pending legal-status Critical Current

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Abstract

PURPOSE: To compensate stably the gain variation generated in the optical reader which varies very gradually, by switching properly the combined resistance value of correcting resistance network.
COPYRIGHT: (C)1978,JPO&Japio
JP7707276A 1976-07-01 1976-07-01 Optical reader Pending JPS533734A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7707276A JPS533734A (en) 1976-07-01 1976-07-01 Optical reader

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7707276A JPS533734A (en) 1976-07-01 1976-07-01 Optical reader

Publications (1)

Publication Number Publication Date
JPS533734A true JPS533734A (en) 1978-01-13

Family

ID=13623580

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7707276A Pending JPS533734A (en) 1976-07-01 1976-07-01 Optical reader

Country Status (1)

Country Link
JP (1) JPS533734A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57131754U (en) * 1981-02-09 1982-08-17
JPS5998281A (en) * 1982-11-27 1984-06-06 Fuji Photo Film Co Ltd Optical mark detector
JPS59225486A (en) * 1983-06-06 1984-12-18 Usac Electronics Ind Co Ltd Mark reading system
JPS60132277A (en) * 1983-12-20 1985-07-15 Amano Corp Optical sensor provided with automatic adjusting means of sensitivity
JPS62149280A (en) * 1985-12-23 1987-07-03 Sharp Corp Information processor

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57131754U (en) * 1981-02-09 1982-08-17
JPS5998281A (en) * 1982-11-27 1984-06-06 Fuji Photo Film Co Ltd Optical mark detector
JPS59225486A (en) * 1983-06-06 1984-12-18 Usac Electronics Ind Co Ltd Mark reading system
JPH0157835B2 (en) * 1983-06-06 1989-12-07 Pfu Ltd
JPS60132277A (en) * 1983-12-20 1985-07-15 Amano Corp Optical sensor provided with automatic adjusting means of sensitivity
JPS62149280A (en) * 1985-12-23 1987-07-03 Sharp Corp Information processor

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