JPS6244206B2 - - Google Patents

Info

Publication number
JPS6244206B2
JPS6244206B2 JP1904381A JP1904381A JPS6244206B2 JP S6244206 B2 JPS6244206 B2 JP S6244206B2 JP 1904381 A JP1904381 A JP 1904381A JP 1904381 A JP1904381 A JP 1904381A JP S6244206 B2 JPS6244206 B2 JP S6244206B2
Authority
JP
Japan
Prior art keywords
light emitting
repetitive signal
light
proximity sensor
phase
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
Application number
JP1904381A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57133305A (en
Inventor
Kensuke Hasegawa
Ryosuke Masuda
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP1904381A priority Critical patent/JPS57133305A/ja
Publication of JPS57133305A publication Critical patent/JPS57133305A/ja
Publication of JPS6244206B2 publication Critical patent/JPS6244206B2/ja
Granted legal-status Critical Current

Links

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Linear Or Angular Velocity Measurement And Their Indicating Devices (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Transform (AREA)
  • Measurement Of Optical Distance (AREA)
JP1904381A 1981-02-13 1981-02-13 Proximity sensor Granted JPS57133305A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1904381A JPS57133305A (en) 1981-02-13 1981-02-13 Proximity sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1904381A JPS57133305A (en) 1981-02-13 1981-02-13 Proximity sensor

Publications (2)

Publication Number Publication Date
JPS57133305A JPS57133305A (en) 1982-08-18
JPS6244206B2 true JPS6244206B2 (enrdf_load_stackoverflow) 1987-09-18

Family

ID=11988388

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1904381A Granted JPS57133305A (en) 1981-02-13 1981-02-13 Proximity sensor

Country Status (1)

Country Link
JP (1) JPS57133305A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS57133305A (en) 1982-08-18

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