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JPS5257842A - Level detector - Google Patents

Level detector

Info

Publication number
JPS5257842A
JPS5257842A JP50133076A JP13307675A JPS5257842A JP S5257842 A JPS5257842 A JP S5257842A JP 50133076 A JP50133076 A JP 50133076A JP 13307675 A JP13307675 A JP 13307675A JP S5257842 A JPS5257842 A JP S5257842A
Authority
JP
Japan
Prior art keywords
level detector
factor
reflection
uneveness
render
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
JP50133076A
Other languages
Japanese (ja)
Inventor
Susumu Ozasa
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP50133076A priority Critical patent/JPS5257842A/en
Publication of JPS5257842A publication Critical patent/JPS5257842A/en
Pending legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)
  • Measurement Of Optical Distance (AREA)
  • Solid State Image Pick-Up Elements (AREA)

Abstract

PURPOSE: To render it possible highly precise detections in a non-contact manner regardless of of the uneveness, reflection factor and absorption factor of the surface of the object being detected by receiving the light formed by irregular reflection of a slit-like luminous flux from the object.
COPYRIGHT: (C)1977,JPO&Japio
JP50133076A 1975-11-07 1975-11-07 Level detector Pending JPS5257842A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50133076A JPS5257842A (en) 1975-11-07 1975-11-07 Level detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50133076A JPS5257842A (en) 1975-11-07 1975-11-07 Level detector

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP9097184A Division JPS606821A (en) 1984-05-09 1984-05-09 Level detector

Publications (1)

Publication Number Publication Date
JPS5257842A true JPS5257842A (en) 1977-05-12

Family

ID=15096272

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50133076A Pending JPS5257842A (en) 1975-11-07 1975-11-07 Level detector

Country Status (1)

Country Link
JP (1) JPS5257842A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4928051B1 (en) * 1966-11-14 1974-07-23
JPS49110368A (en) * 1973-02-20 1974-10-21
JPS50119672A (en) * 1974-03-04 1975-09-19

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4928051B1 (en) * 1966-11-14 1974-07-23
JPS49110368A (en) * 1973-02-20 1974-10-21
JPS50119672A (en) * 1974-03-04 1975-09-19

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