JPH01171302U - - Google Patents
Info
- Publication number
- JPH01171302U JPH01171302U JP6684988U JP6684988U JPH01171302U JP H01171302 U JPH01171302 U JP H01171302U JP 6684988 U JP6684988 U JP 6684988U JP 6684988 U JP6684988 U JP 6684988U JP H01171302 U JPH01171302 U JP H01171302U
- Authority
- JP
- Japan
- Prior art keywords
- signal output
- amplitude
- frequency signal
- photodetector
- control circuit
- 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
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 claims 1
- 238000011105 stabilization Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Optical Transform (AREA)
- Control Of Position Or Direction (AREA)
- Length Measuring Devices By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6684988U JPH01171302U (en]) | 1988-05-23 | 1988-05-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6684988U JPH01171302U (en]) | 1988-05-23 | 1988-05-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01171302U true JPH01171302U (en]) | 1989-12-05 |
Family
ID=31292236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6684988U Pending JPH01171302U (en]) | 1988-05-23 | 1988-05-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01171302U (en]) |
-
1988
- 1988-05-23 JP JP6684988U patent/JPH01171302U/ja active Pending