JPH0457965B2 - - Google Patents

Info

Publication number
JPH0457965B2
JPH0457965B2 JP57232672A JP23267282A JPH0457965B2 JP H0457965 B2 JPH0457965 B2 JP H0457965B2 JP 57232672 A JP57232672 A JP 57232672A JP 23267282 A JP23267282 A JP 23267282A JP H0457965 B2 JPH0457965 B2 JP H0457965B2
Authority
JP
Japan
Prior art keywords
light
slit
encoder
slit plate
receiving element
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
JP57232672A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59122911A (ja
Inventor
Kazuhisa Takahashi
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP23267282A priority Critical patent/JPS59122911A/ja
Publication of JPS59122911A publication Critical patent/JPS59122911A/ja
Publication of JPH0457965B2 publication Critical patent/JPH0457965B2/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
    • G01D5/34723—Scale reading or illumination devices involving light-guides

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
JP23267282A 1982-12-28 1982-12-28 エンコ−ダ Granted JPS59122911A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23267282A JPS59122911A (ja) 1982-12-28 1982-12-28 エンコ−ダ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23267282A JPS59122911A (ja) 1982-12-28 1982-12-28 エンコ−ダ

Publications (2)

Publication Number Publication Date
JPS59122911A JPS59122911A (ja) 1984-07-16
JPH0457965B2 true JPH0457965B2 (enrdf_load_stackoverflow) 1992-09-16

Family

ID=16942983

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23267282A Granted JPS59122911A (ja) 1982-12-28 1982-12-28 エンコ−ダ

Country Status (1)

Country Link
JP (1) JPS59122911A (enrdf_load_stackoverflow)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5641208U (enrdf_load_stackoverflow) * 1979-09-06 1981-04-16

Also Published As

Publication number Publication date
JPS59122911A (ja) 1984-07-16

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