JPS5318918A - Information reading optical system - Google Patents
Information reading optical systemInfo
- 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
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
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS522446A (en) * | 1975-06-24 | 1977-01-10 | Ushio Inc | Information reading apparatus |
-
1976
- 1976-08-05 JP JP9334176A patent/JPS5318918A/en active Granted
Patent Citations (1)
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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