JPS6232404B2 - - Google Patents

Info

Publication number
JPS6232404B2
JPS6232404B2 JP3623182A JP3623182A JPS6232404B2 JP S6232404 B2 JPS6232404 B2 JP S6232404B2 JP 3623182 A JP3623182 A JP 3623182A JP 3623182 A JP3623182 A JP 3623182A JP S6232404 B2 JPS6232404 B2 JP S6232404B2
Authority
JP
Japan
Prior art keywords
mark
counter
value
dark area
distance
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
JP3623182A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58153105A (ja
Inventor
Fumihide Sato
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP3623182A priority Critical patent/JPS58153105A/ja
Publication of JPS58153105A publication Critical patent/JPS58153105A/ja
Publication of JPS6232404B2 publication Critical patent/JPS6232404B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
JP3623182A 1982-03-08 1982-03-08 光学式相対位置測定装置 Granted JPS58153105A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3623182A JPS58153105A (ja) 1982-03-08 1982-03-08 光学式相対位置測定装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3623182A JPS58153105A (ja) 1982-03-08 1982-03-08 光学式相対位置測定装置

Publications (2)

Publication Number Publication Date
JPS58153105A JPS58153105A (ja) 1983-09-12
JPS6232404B2 true JPS6232404B2 (en]) 1987-07-14

Family

ID=12463992

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3623182A Granted JPS58153105A (ja) 1982-03-08 1982-03-08 光学式相対位置測定装置

Country Status (1)

Country Link
JP (1) JPS58153105A (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0291310U (en]) * 1988-12-28 1990-07-19

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61102807U (en]) * 1984-12-10 1986-06-30

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0291310U (en]) * 1988-12-28 1990-07-19

Also Published As

Publication number Publication date
JPS58153105A (ja) 1983-09-12

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