JPS6310768B2 - - Google Patents

Info

Publication number
JPS6310768B2
JPS6310768B2 JP55044129A JP4412980A JPS6310768B2 JP S6310768 B2 JPS6310768 B2 JP S6310768B2 JP 55044129 A JP55044129 A JP 55044129A JP 4412980 A JP4412980 A JP 4412980A JP S6310768 B2 JPS6310768 B2 JP S6310768B2
Authority
JP
Japan
Prior art keywords
phase
point
code plate
reading
linear sensor
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
JP55044129A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56141513A (en
Inventor
Masakata Minami
Masayuki Kondo
Kazuaki Kimura
Tsuneo Sasaki
Hiroshi Tamaki
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
Topcon Corp
Original Assignee
Toshiba Corp
Tokyo Kogaku Kikai KK
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 Toshiba Corp, Tokyo Kogaku Kikai KK filed Critical Toshiba Corp
Priority to JP4412980A priority Critical patent/JPS56141513A/ja
Publication of JPS56141513A publication Critical patent/JPS56141513A/ja
Publication of JPS6310768B2 publication Critical patent/JPS6310768B2/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Optical Transform (AREA)
JP4412980A 1980-04-04 1980-04-04 Encoder Granted JPS56141513A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4412980A JPS56141513A (en) 1980-04-04 1980-04-04 Encoder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4412980A JPS56141513A (en) 1980-04-04 1980-04-04 Encoder

Publications (2)

Publication Number Publication Date
JPS56141513A JPS56141513A (en) 1981-11-05
JPS6310768B2 true JPS6310768B2 (en]) 1988-03-09

Family

ID=12683000

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4412980A Granted JPS56141513A (en) 1980-04-04 1980-04-04 Encoder

Country Status (1)

Country Link
JP (1) JPS56141513A (en])

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5582918A (en) * 1978-12-19 1980-06-23 Toshiba Corp Encoder

Also Published As

Publication number Publication date
JPS56141513A (en) 1981-11-05

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