JPH0253728B2 - - Google Patents

Info

Publication number
JPH0253728B2
JPH0253728B2 JP15106884A JP15106884A JPH0253728B2 JP H0253728 B2 JPH0253728 B2 JP H0253728B2 JP 15106884 A JP15106884 A JP 15106884A JP 15106884 A JP15106884 A JP 15106884A JP H0253728 B2 JPH0253728 B2 JP H0253728B2
Authority
JP
Japan
Prior art keywords
light
transparent
transmitting
pitch
amount
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
JP15106884A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6129718A (ja
Inventor
Akio Takamura
Kazuo Makishima
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.)
Ono Sokki Co Ltd
Original Assignee
Ono Sokki 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 Ono Sokki Co Ltd filed Critical Ono Sokki Co Ltd
Priority to JP15106884A priority Critical patent/JPS6129718A/ja
Publication of JPS6129718A publication Critical patent/JPS6129718A/ja
Publication of JPH0253728B2 publication Critical patent/JPH0253728B2/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
    • G01D5/347—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 using displacement encoding scales
    • G01D5/34707—Scales; Discs, e.g. fixation, fabrication, compensation
    • G01D5/34715—Scale reading or illumination devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
JP15106884A 1984-07-20 1984-07-20 光電式透過型エンコ−ダ Granted JPS6129718A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15106884A JPS6129718A (ja) 1984-07-20 1984-07-20 光電式透過型エンコ−ダ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15106884A JPS6129718A (ja) 1984-07-20 1984-07-20 光電式透過型エンコ−ダ

Publications (2)

Publication Number Publication Date
JPS6129718A JPS6129718A (ja) 1986-02-10
JPH0253728B2 true JPH0253728B2 (ko) 1990-11-19

Family

ID=15510601

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15106884A Granted JPS6129718A (ja) 1984-07-20 1984-07-20 光電式透過型エンコ−ダ

Country Status (1)

Country Link
JP (1) JPS6129718A (ko)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6426162A (en) * 1987-07-22 1989-01-27 Matsushita Electric Ind Co Ltd Position detector
JP2664648B2 (ja) 1994-05-20 1997-10-15 株式会社日本触媒 Ｌ−アスパラギン酸の製造方法
EP0693557A3 (en) * 1994-07-19 1996-06-05 Mitsubishi Chem Corp Process for the production of fumaric acid

Also Published As

Publication number Publication date
JPS6129718A (ja) 1986-02-10

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