JPS61161703U - - Google Patents
Info
- Publication number
- JPS61161703U JPS61161703U JP4671785U JP4671785U JPS61161703U JP S61161703 U JPS61161703 U JP S61161703U JP 4671785 U JP4671785 U JP 4671785U JP 4671785 U JP4671785 U JP 4671785U JP S61161703 U JPS61161703 U JP S61161703U
- Authority
- JP
- Japan
- Prior art keywords
- optical head
- disk
- automatic control
- control means
- measured
- 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
- 230000003287 optical effect Effects 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims 2
- 238000012544 monitoring process Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Optical Recording Or Reproduction (AREA)
- Manufacturing Optical Record Carriers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4671785U JPH048327Y2 (enExample) | 1985-03-29 | 1985-03-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4671785U JPH048327Y2 (enExample) | 1985-03-29 | 1985-03-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61161703U true JPS61161703U (enExample) | 1986-10-07 |
| JPH048327Y2 JPH048327Y2 (enExample) | 1992-03-03 |
Family
ID=30561379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4671785U Expired JPH048327Y2 (enExample) | 1985-03-29 | 1985-03-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH048327Y2 (enExample) |
-
1985
- 1985-03-29 JP JP4671785U patent/JPH048327Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH048327Y2 (enExample) | 1992-03-03 |
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