JPH035845Y2 - - Google Patents
Info
- Publication number
- JPH035845Y2 JPH035845Y2 JP2041484U JP2041484U JPH035845Y2 JP H035845 Y2 JPH035845 Y2 JP H035845Y2 JP 2041484 U JP2041484 U JP 2041484U JP 2041484 U JP2041484 U JP 2041484U JP H035845 Y2 JPH035845 Y2 JP H035845Y2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- reflected
- detector
- edge
- threshold
- 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.)
- Expired
Links
- 238000001514 detection method Methods 0.000 claims description 62
- 238000006073 displacement reaction Methods 0.000 claims description 42
- 230000003287 optical effect Effects 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 18
- 238000005259 measurement Methods 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 7
- 230000004069 differentiation Effects 0.000 description 5
- 238000003708 edge detection Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000011549 displacement method Methods 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Measurement Of Optical Distance (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2041484U JPS60134105U (ja) | 1984-02-15 | 1984-02-15 | 光学式表面変位検出回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2041484U JPS60134105U (ja) | 1984-02-15 | 1984-02-15 | 光学式表面変位検出回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60134105U JPS60134105U (ja) | 1985-09-06 |
| JPH035845Y2 true JPH035845Y2 (fr) | 1991-02-14 |
Family
ID=30510876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2041484U Granted JPS60134105U (ja) | 1984-02-15 | 1984-02-15 | 光学式表面変位検出回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60134105U (fr) |
-
1984
- 1984-02-15 JP JP2041484U patent/JPS60134105U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60134105U (ja) | 1985-09-06 |
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