JPH0378561B2 - - Google Patents
Info
- Publication number
- JPH0378561B2 JPH0378561B2 JP5653686A JP5653686A JPH0378561B2 JP H0378561 B2 JPH0378561 B2 JP H0378561B2 JP 5653686 A JP5653686 A JP 5653686A JP 5653686 A JP5653686 A JP 5653686A JP H0378561 B2 JPH0378561 B2 JP H0378561B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- output signal
- sensor
- level
- output
- 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
- 238000003708 edge detection Methods 0.000 claims description 27
- 230000003287 optical effect Effects 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 14
- 230000010363 phase shift Effects 0.000 claims description 11
- 238000005259 measurement Methods 0.000 description 12
- 238000005070 sampling Methods 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 244000145845 chattering Species 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5653686A JPS62212502A (ja) | 1986-03-14 | 1986-03-14 | 光学式測定機器におけるエツジ検出装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5653686A JPS62212502A (ja) | 1986-03-14 | 1986-03-14 | 光学式測定機器におけるエツジ検出装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62212502A JPS62212502A (ja) | 1987-09-18 |
JPH0378561B2 true JPH0378561B2 (en]) | 1991-12-16 |
Family
ID=13029808
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5653686A Granted JPS62212502A (ja) | 1986-03-14 | 1986-03-14 | 光学式測定機器におけるエツジ検出装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62212502A (en]) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4979387A (en) * | 1989-07-31 | 1990-12-25 | Dittmar Norman R | Pendulum position detector |
-
1986
- 1986-03-14 JP JP5653686A patent/JPS62212502A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS62212502A (ja) | 1987-09-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |