JPS61153125U - - Google Patents
Info
- Publication number
- JPS61153125U JPS61153125U JP3780085U JP3780085U JPS61153125U JP S61153125 U JPS61153125 U JP S61153125U JP 3780085 U JP3780085 U JP 3780085U JP 3780085 U JP3780085 U JP 3780085U JP S61153125 U JPS61153125 U JP S61153125U
- Authority
- JP
- Japan
- Prior art keywords
- light
- optical
- detector
- focus control
- optical disk
- 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 15
- 230000001678 irradiating effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3780085U JPS61153125U (zh) | 1985-03-15 | 1985-03-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3780085U JPS61153125U (zh) | 1985-03-15 | 1985-03-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61153125U true JPS61153125U (zh) | 1986-09-22 |
Family
ID=30544218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3780085U Pending JPS61153125U (zh) | 1985-03-15 | 1985-03-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61153125U (zh) |
-
1985
- 1985-03-15 JP JP3780085U patent/JPS61153125U/ja active Pending