JPS62212502A - 光学式測定機器におけるエツジ検出装置 - Google Patents
光学式測定機器におけるエツジ検出装置Info
- Publication number
- JPS62212502A JPS62212502A JP5653686A JP5653686A JPS62212502A JP S62212502 A JPS62212502 A JP S62212502A JP 5653686 A JP5653686 A JP 5653686A JP 5653686 A JP5653686 A JP 5653686A JP S62212502 A JPS62212502 A JP S62212502A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- level
- sensor
- output
- output signal
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 title claims description 16
- 238000003708 edge detection Methods 0.000 claims description 26
- 238000001514 detection method Methods 0.000 claims description 14
- 230000010363 phase shift Effects 0.000 claims description 11
- 238000005070 sampling Methods 0.000 abstract description 7
- 230000000630 rising effect Effects 0.000 abstract description 4
- 230000003111 delayed effect Effects 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 14
- 238000006073 displacement reaction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 235000006693 Cassia laevigata Nutrition 0.000 description 2
- 241000522641 Senna Species 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229940124513 senna glycoside Drugs 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 244000145845 chattering Species 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000012780 transparent material Substances 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 true JPS62212502A (ja) | 1987-09-18 |
| JPH0378561B2 JPH0378561B2 (enrdf_load_stackoverflow) | 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 (enrdf_load_stackoverflow) |
Cited By (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
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4979387A (en) * | 1989-07-31 | 1990-12-25 | Dittmar Norman R | Pendulum position detector |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0378561B2 (enrdf_load_stackoverflow) | 1991-12-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |