JPH0159958U - - Google Patents
Info
- Publication number
- JPH0159958U JPH0159958U JP15288387U JP15288387U JPH0159958U JP H0159958 U JPH0159958 U JP H0159958U JP 15288387 U JP15288387 U JP 15288387U JP 15288387 U JP15288387 U JP 15288387U JP H0159958 U JPH0159958 U JP H0159958U
- Authority
- JP
- Japan
- Prior art keywords
- pickup
- level
- monitoring
- driving
- drive means
- 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
- 238000012544 monitoring process Methods 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15288387U JPH0159958U (zh) | 1987-10-06 | 1987-10-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15288387U JPH0159958U (zh) | 1987-10-06 | 1987-10-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0159958U true JPH0159958U (zh) | 1989-04-14 |
Family
ID=31428216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15288387U Pending JPH0159958U (zh) | 1987-10-06 | 1987-10-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0159958U (zh) |
-
1987
- 1987-10-06 JP JP15288387U patent/JPH0159958U/ja active Pending
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