JPS6144257Y2 - - Google Patents
Info
- Publication number
- JPS6144257Y2 JPS6144257Y2 JP13438080U JP13438080U JPS6144257Y2 JP S6144257 Y2 JPS6144257 Y2 JP S6144257Y2 JP 13438080 U JP13438080 U JP 13438080U JP 13438080 U JP13438080 U JP 13438080U JP S6144257 Y2 JPS6144257 Y2 JP S6144257Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- objective lens
- lens
- light receiving
- optical path
- 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.)
- Expired
Links
- 230000003287 optical effect Effects 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 201000009310 astigmatism Diseases 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13438080U JPS6144257Y2 (enrdf_load_stackoverflow) | 1980-09-19 | 1980-09-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13438080U JPS6144257Y2 (enrdf_load_stackoverflow) | 1980-09-19 | 1980-09-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5756329U JPS5756329U (enrdf_load_stackoverflow) | 1982-04-02 |
| JPS6144257Y2 true JPS6144257Y2 (enrdf_load_stackoverflow) | 1986-12-13 |
Family
ID=29494573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13438080U Expired JPS6144257Y2 (enrdf_load_stackoverflow) | 1980-09-19 | 1980-09-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6144257Y2 (enrdf_load_stackoverflow) |
-
1980
- 1980-09-19 JP JP13438080U patent/JPS6144257Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5756329U (enrdf_load_stackoverflow) | 1982-04-02 |
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