JPS5737745A - Optical information reader - Google Patents
Optical information readerInfo
- Publication number
- JPS5737745A JPS5737745A JP11445280A JP11445280A JPS5737745A JP S5737745 A JPS5737745 A JP S5737745A JP 11445280 A JP11445280 A JP 11445280A JP 11445280 A JP11445280 A JP 11445280A JP S5737745 A JPS5737745 A JP S5737745A
- Authority
- JP
- Japan
- Prior art keywords
- luminous flux
- prism
- photodetector
- quarter
- same time
- 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
Landscapes
- Automatic Focus Adjustment (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11445280A JPS5737745A (en) | 1980-08-19 | 1980-08-19 | Optical information reader |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11445280A JPS5737745A (en) | 1980-08-19 | 1980-08-19 | Optical information reader |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5737745A true JPS5737745A (en) | 1982-03-02 |
JPS639304B2 JPS639304B2 (ko) | 1988-02-26 |
Family
ID=14638076
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11445280A Granted JPS5737745A (en) | 1980-08-19 | 1980-08-19 | Optical information reader |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5737745A (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62124146U (ko) * | 1986-01-29 | 1987-08-06 | ||
US5859819A (en) * | 1995-07-17 | 1999-01-12 | Fujitsu, Limited | Tracking and focus control system for optical disk apparatus |
-
1980
- 1980-08-19 JP JP11445280A patent/JPS5737745A/ja active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62124146U (ko) * | 1986-01-29 | 1987-08-06 | ||
JPH037484Y2 (ko) * | 1986-01-29 | 1991-02-25 | ||
US5859819A (en) * | 1995-07-17 | 1999-01-12 | Fujitsu, Limited | Tracking and focus control system for optical disk apparatus |
Also Published As
Publication number | Publication date |
---|---|
JPS639304B2 (ko) | 1988-02-26 |
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