JPH02140628U - - Google Patents
Info
- Publication number
- JPH02140628U JPH02140628U JP4804589U JP4804589U JPH02140628U JP H02140628 U JPH02140628 U JP H02140628U JP 4804589 U JP4804589 U JP 4804589U JP 4804589 U JP4804589 U JP 4804589U JP H02140628 U JPH02140628 U JP H02140628U
- Authority
- JP
- Japan
- Prior art keywords
- light
- incident
- beam splitter
- optical path
- lens
- 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
- 230000003287 optical effect Effects 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4804589U JPH02140628U (zh) | 1989-04-24 | 1989-04-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4804589U JPH02140628U (zh) | 1989-04-24 | 1989-04-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02140628U true JPH02140628U (zh) | 1990-11-26 |
Family
ID=31564514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4804589U Pending JPH02140628U (zh) | 1989-04-24 | 1989-04-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02140628U (zh) |
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1989
- 1989-04-24 JP JP4804589U patent/JPH02140628U/ja active Pending