JPS52153734A - Objective lens system for optical scanning - Google Patents
Objective lens system for optical scanningInfo
- Publication number
- JPS52153734A JPS52153734A JP7159176A JP7159176A JPS52153734A JP S52153734 A JPS52153734 A JP S52153734A JP 7159176 A JP7159176 A JP 7159176A JP 7159176 A JP7159176 A JP 7159176A JP S52153734 A JPS52153734 A JP S52153734A
- Authority
- JP
- Japan
- Prior art keywords
- lens system
- objective lens
- optical scanning
- attain
- simplify
- 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
Links
Abstract
PURPOSE: To simplify the constitution and attain a low cost by reading the signal from a high density information record, reducing the number of constituting elements of the lens system so as to reduce its weight, and enabling to conduct focusing quickly.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7159176A JPS52153734A (en) | 1976-06-16 | 1976-06-16 | Objective lens system for optical scanning |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7159176A JPS52153734A (en) | 1976-06-16 | 1976-06-16 | Objective lens system for optical scanning |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52153734A true JPS52153734A (en) | 1977-12-21 |
Family
ID=13465060
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7159176A Pending JPS52153734A (en) | 1976-06-16 | 1976-06-16 | Objective lens system for optical scanning |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52153734A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58211729A (en) * | 1982-05-29 | 1983-12-09 | オプテイツシエ・ウエルケ・ゲ−・ロ−デンストツク | Scan lens system |
JPS63273806A (en) * | 1987-05-01 | 1988-11-10 | Semiconductor Energy Lab Co Ltd | Objective for laser beam machining |
-
1976
- 1976-06-16 JP JP7159176A patent/JPS52153734A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58211729A (en) * | 1982-05-29 | 1983-12-09 | オプテイツシエ・ウエルケ・ゲ−・ロ−デンストツク | Scan lens system |
JPS63273806A (en) * | 1987-05-01 | 1988-11-10 | Semiconductor Energy Lab Co Ltd | Objective for laser beam machining |
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