JPH0253727B2 - - Google Patents

Info

Publication number
JPH0253727B2
JPH0253727B2 JP15106784A JP15106784A JPH0253727B2 JP H0253727 B2 JPH0253727 B2 JP H0253727B2 JP 15106784 A JP15106784 A JP 15106784A JP 15106784 A JP15106784 A JP 15106784A JP H0253727 B2 JPH0253727 B2 JP H0253727B2
Authority
JP
Japan
Prior art keywords
light
transparent
reflective
pitch
light emitting
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
JP15106784A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6129717A (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 JP15106784A priority Critical patent/JPS6129717A/ja
Publication of JPS6129717A publication Critical patent/JPS6129717A/ja
Publication of JPH0253727B2 publication Critical patent/JPH0253727B2/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)
JP15106784A 1984-07-20 1984-07-20 光電式反射型エンコ−ダ Granted JPS6129717A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15106784A JPS6129717A (ja) 1984-07-20 1984-07-20 光電式反射型エンコ−ダ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15106784A JPS6129717A (ja) 1984-07-20 1984-07-20 光電式反射型エンコ−ダ

Publications (2)

Publication Number Publication Date
JPS6129717A JPS6129717A (ja) 1986-02-10
JPH0253727B2 true JPH0253727B2 (enrdf_load_stackoverflow) 1990-11-19

Family

ID=15510577

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15106784A Granted JPS6129717A (ja) 1984-07-20 1984-07-20 光電式反射型エンコ−ダ

Country Status (1)

Country Link
JP (1) JPS6129717A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8616240D0 (en) * 1986-07-03 1986-08-13 Renishaw Plc Opto-electronic scale reading apparatus

Also Published As

Publication number Publication date
JPS6129717A (ja) 1986-02-10

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