JPH0246923U - - Google Patents
Info
- Publication number
- JPH0246923U JPH0246923U JP12422688U JP12422688U JPH0246923U JP H0246923 U JPH0246923 U JP H0246923U JP 12422688 U JP12422688 U JP 12422688U JP 12422688 U JP12422688 U JP 12422688U JP H0246923 U JPH0246923 U JP H0246923U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- photodetector
- current
- control circuit
- temperature detection
- 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 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Optical Head (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12422688U JPH0246923U (pm) | 1988-09-22 | 1988-09-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12422688U JPH0246923U (pm) | 1988-09-22 | 1988-09-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0246923U true JPH0246923U (pm) | 1990-03-30 |
Family
ID=31373774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12422688U Pending JPH0246923U (pm) | 1988-09-22 | 1988-09-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0246923U (pm) |
-
1988
- 1988-09-22 JP JP12422688U patent/JPH0246923U/ja active Pending
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