JPS5318918A - Information reading optical system - Google Patents

Information reading optical system

Info

Publication number
JPS5318918A
JPS5318918A JP9334176A JP9334176A JPS5318918A JP S5318918 A JPS5318918 A JP S5318918A JP 9334176 A JP9334176 A JP 9334176A JP 9334176 A JP9334176 A JP 9334176A JP S5318918 A JPS5318918 A JP S5318918A
Authority
JP
Japan
Prior art keywords
optical system
information reading
reading optical
viewfield
increase
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.)
Granted
Application number
JP9334176A
Other languages
Japanese (ja)
Other versions
JPS5758702B2 (en
Inventor
Michiaki Miyagawa
Nobuhiko Tsuji
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.)
Fuji Electric Co Ltd
Original Assignee
Fuji 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 Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd
Priority to JP9334176A priority Critical patent/JPS5318918A/en
Publication of JPS5318918A publication Critical patent/JPS5318918A/en
Publication of JPS5758702B2 publication Critical patent/JPS5758702B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To increase the viewfield greatly and thus to increase the reading accuracy by transmitting effectively the scattered light from a comparatively wide viewfield to the photoelectric conversion element.
COPYRIGHT: (C)1978,JPO&Japio
JP9334176A 1976-08-05 1976-08-05 Information reading optical system Granted JPS5318918A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9334176A JPS5318918A (en) 1976-08-05 1976-08-05 Information reading optical system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9334176A JPS5318918A (en) 1976-08-05 1976-08-05 Information reading optical system

Publications (2)

Publication Number Publication Date
JPS5318918A true JPS5318918A (en) 1978-02-21
JPS5758702B2 JPS5758702B2 (en) 1982-12-10

Family

ID=14079557

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9334176A Granted JPS5318918A (en) 1976-08-05 1976-08-05 Information reading optical system

Country Status (1)

Country Link
JP (1) JPS5318918A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS522446A (en) * 1975-06-24 1977-01-10 Ushio Inc Information reading apparatus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS522446A (en) * 1975-06-24 1977-01-10 Ushio Inc Information reading apparatus

Also Published As

Publication number Publication date
JPS5758702B2 (en) 1982-12-10

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