JPH051883B2 - - Google Patents
Info
- Publication number
- JPH051883B2 JPH051883B2 JP23375384A JP23375384A JPH051883B2 JP H051883 B2 JPH051883 B2 JP H051883B2 JP 23375384 A JP23375384 A JP 23375384A JP 23375384 A JP23375384 A JP 23375384A JP H051883 B2 JPH051883 B2 JP H051883B2
- Authority
- JP
- Japan
- Prior art keywords
- voltage difference
- video signal
- light
- receiving element
- metal lump
- 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 - Lifetime
Links
- 239000002184 metal Substances 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000005096 rolling process Methods 0.000 description 10
- 238000001514 detection method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005098 hot rolling Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 238000003079 width control Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/028—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring lateral position of a boundary of the object
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23375384A JPS61111403A (ja) | 1984-11-06 | 1984-11-06 | 金属塊の幅方向位置検出方法及びその装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23375384A JPS61111403A (ja) | 1984-11-06 | 1984-11-06 | 金属塊の幅方向位置検出方法及びその装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61111403A JPS61111403A (ja) | 1986-05-29 |
| JPH051883B2 true JPH051883B2 (enrdf_load_stackoverflow) | 1993-01-11 |
Family
ID=16960036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23375384A Granted JPS61111403A (ja) | 1984-11-06 | 1984-11-06 | 金属塊の幅方向位置検出方法及びその装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61111403A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2630844B2 (ja) * | 1989-12-15 | 1997-07-16 | 株式会社豊田中央研究所 | ３次元形状寸法計測装置 |
-
1984
- 1984-11-06 JP JP23375384A patent/JPS61111403A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61111403A (ja) | 1986-05-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |