JPS6128923B2 - - Google Patents

Info

Publication number
JPS6128923B2
JPS6128923B2 JP55101035A JP10103580A JPS6128923B2 JP S6128923 B2 JPS6128923 B2 JP S6128923B2 JP 55101035 A JP55101035 A JP 55101035A JP 10103580 A JP10103580 A JP 10103580A JP S6128923 B2 JPS6128923 B2 JP S6128923B2
Authority
JP
Japan
Prior art keywords
light
scale
lens
half mirror
receives
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
JP55101035A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5724817A (en
Inventor
Hideto Iwaoka
Koji Akyama
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.)
Yokogawa Electric Corp
Original Assignee
Yokogawa Hokushin 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 Yokogawa Hokushin Electric Corp filed Critical Yokogawa Hokushin Electric Corp
Priority to JP10103580A priority Critical patent/JPS5724817A/ja
Publication of JPS5724817A publication Critical patent/JPS5724817A/ja
Publication of JPS6128923B2 publication Critical patent/JPS6128923B2/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
    • G01D5/32—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 with attenuation or whole or partial obturation of beams of light
    • G01D5/34—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 with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/36—Forming the light into pulses
    • G01D5/38—Forming the light into pulses by diffraction gratings

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Transform (AREA)
JP10103580A 1980-07-23 1980-07-23 Reading device for optical type scale Granted JPS5724817A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10103580A JPS5724817A (en) 1980-07-23 1980-07-23 Reading device for optical type scale

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10103580A JPS5724817A (en) 1980-07-23 1980-07-23 Reading device for optical type scale

Publications (2)

Publication Number Publication Date
JPS5724817A JPS5724817A (en) 1982-02-09
JPS6128923B2 true JPS6128923B2 (en]) 1986-07-03

Family

ID=14289903

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10103580A Granted JPS5724817A (en) 1980-07-23 1980-07-23 Reading device for optical type scale

Country Status (1)

Country Link
JP (1) JPS5724817A (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3741579A1 (en) 2019-05-24 2020-11-25 Canon Kabushiki Kaisha Method for processing a sheet, bookbinding method, and bookbinding article

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5764717U (en]) * 1980-10-06 1982-04-17
JPS61176817A (ja) * 1985-01-31 1986-08-08 Foster Denki Kk エンコ−ダ
DE3541199C1 (de) * 1985-11-21 1987-06-25 Heidenhain Gmbh Dr Johannes Lichtelektrische Positionsmesseinrichtung
JPH0648169B2 (ja) * 1987-05-11 1994-06-22 キヤノン株式会社 測長装置
JPH01187406A (ja) * 1988-01-22 1989-07-26 Rikagaku Kenkyusho 等間隔干渉縞の位置検出法ならびに位置検出装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3741579A1 (en) 2019-05-24 2020-11-25 Canon Kabushiki Kaisha Method for processing a sheet, bookbinding method, and bookbinding article

Also Published As

Publication number Publication date
JPS5724817A (en) 1982-02-09

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