JPS52119251A - Position detector for objects being measured - Google Patents
Position detector for objects being measuredInfo
- Publication number
- JPS52119251A JPS52119251A JP3482176A JP3482176A JPS52119251A JP S52119251 A JPS52119251 A JP S52119251A JP 3482176 A JP3482176 A JP 3482176A JP 3482176 A JP3482176 A JP 3482176A JP S52119251 A JPS52119251 A JP S52119251A
- Authority
- JP
- Japan
- Prior art keywords
- measured
- objects
- position detector
- light
- differences
- 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
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Abstract
PURPOSE: To make possible detection free from the influence by the differences in reflection factors by measuring the reflected light from the side end of an object being measured with a moving photo detector and calculating the logarithmic ratio of the quantity of light.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3482176A JPS52119251A (en) | 1976-03-30 | 1976-03-30 | Position detector for objects being measured |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3482176A JPS52119251A (en) | 1976-03-30 | 1976-03-30 | Position detector for objects being measured |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52119251A true JPS52119251A (en) | 1977-10-06 |
Family
ID=12424851
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3482176A Pending JPS52119251A (en) | 1976-03-30 | 1976-03-30 | Position detector for objects being measured |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52119251A (en) |
-
1976
- 1976-03-30 JP JP3482176A patent/JPS52119251A/en active Pending
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