JPH0544604B2 - - Google Patents

Info

Publication number
JPH0544604B2
JPH0544604B2 JP58110984A JP11098483A JPH0544604B2 JP H0544604 B2 JPH0544604 B2 JP H0544604B2 JP 58110984 A JP58110984 A JP 58110984A JP 11098483 A JP11098483 A JP 11098483A JP H0544604 B2 JPH0544604 B2 JP H0544604B2
Authority
JP
Japan
Prior art keywords
slit plate
fixed
light receiving
slit
rotary encoder
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 - Lifetime
Application number
JP58110984A
Other languages
English (en)
Japanese (ja)
Other versions
JPS604809A (ja
Inventor
Eiji Sawa
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric 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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP11098483A priority Critical patent/JPS604809A/ja
Publication of JPS604809A publication Critical patent/JPS604809A/ja
Publication of JPH0544604B2 publication Critical patent/JPH0544604B2/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
    • 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
    • G01D5/264—Mechanical constructional elements therefor ; Mechanical adjustment thereof

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
JP11098483A 1983-06-22 1983-06-22 光学式ロ−タリエンコ−ダの受光部 Granted JPS604809A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11098483A JPS604809A (ja) 1983-06-22 1983-06-22 光学式ロ−タリエンコ−ダの受光部

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11098483A JPS604809A (ja) 1983-06-22 1983-06-22 光学式ロ−タリエンコ−ダの受光部

Publications (2)

Publication Number Publication Date
JPS604809A JPS604809A (ja) 1985-01-11
JPH0544604B2 true JPH0544604B2 (enExample) 1993-07-06

Family

ID=14549450

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11098483A Granted JPS604809A (ja) 1983-06-22 1983-06-22 光学式ロ−タリエンコ−ダの受光部

Country Status (1)

Country Link
JP (1) JPS604809A (enExample)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5916806Y2 (ja) * 1979-12-28 1984-05-17 株式会社ニコン 光電式エンコ−ダ用受光装置
JPS56151311A (en) * 1980-04-25 1981-11-24 Hitachi Ltd Detecting device for rotary angle
JPS5810006U (ja) * 1981-07-15 1983-01-22 株式会社日立製作所 回転角度検出装置

Also Published As

Publication number Publication date
JPS604809A (ja) 1985-01-11

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