JPH02122308U - - Google Patents
Info
- Publication number
- JPH02122308U JPH02122308U JP3225489U JP3225489U JPH02122308U JP H02122308 U JPH02122308 U JP H02122308U JP 3225489 U JP3225489 U JP 3225489U JP 3225489 U JP3225489 U JP 3225489U JP H02122308 U JPH02122308 U JP H02122308U
- Authority
- JP
- Japan
- Prior art keywords
- optical disk
- optical
- rotation
- optical head
- rotation mechanism
- 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 18
- 238000007689 inspection Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3225489U JPH02122308U (sv) | 1989-03-22 | 1989-03-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3225489U JPH02122308U (sv) | 1989-03-22 | 1989-03-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02122308U true JPH02122308U (sv) | 1990-10-05 |
Family
ID=31258634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3225489U Pending JPH02122308U (sv) | 1989-03-22 | 1989-03-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02122308U (sv) |
-
1989
- 1989-03-22 JP JP3225489U patent/JPH02122308U/ja active Pending
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