JPS52119251A - Position detector for objects being measured - Google Patents

Position detector for objects being measured

Info

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
Application number
JP3482176A
Other languages
Japanese (ja)
Inventor
Michihiro Shidara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP3482176A priority Critical patent/JPS52119251A/en
Publication of JPS52119251A publication Critical patent/JPS52119251A/en
Pending legal-status Critical Current

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
JP3482176A 1976-03-30 1976-03-30 Position detector for objects being measured Pending JPS52119251A (en)

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)

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