JPH0337613U - - Google Patents
Info
- Publication number
- JPH0337613U JPH0337613U JP9449489U JP9449489U JPH0337613U JP H0337613 U JPH0337613 U JP H0337613U JP 9449489 U JP9449489 U JP 9449489U JP 9449489 U JP9449489 U JP 9449489U JP H0337613 U JPH0337613 U JP H0337613U
- Authority
- JP
- Japan
- Prior art keywords
- light
- optical disk
- reflected return
- shielding plate
- incident 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 claims 7
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9449489U JPH0337613U (en, 2012) | 1989-08-11 | 1989-08-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9449489U JPH0337613U (en, 2012) | 1989-08-11 | 1989-08-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0337613U true JPH0337613U (en, 2012) | 1991-04-11 |
Family
ID=31643819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9449489U Pending JPH0337613U (en, 2012) | 1989-08-11 | 1989-08-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0337613U (en, 2012) |
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1989
- 1989-08-11 JP JP9449489U patent/JPH0337613U/ja active Pending