JPH0439603B2 - - Google Patents

Info

Publication number
JPH0439603B2
JPH0439603B2 JP58086391A JP8639183A JPH0439603B2 JP H0439603 B2 JPH0439603 B2 JP H0439603B2 JP 58086391 A JP58086391 A JP 58086391A JP 8639183 A JP8639183 A JP 8639183A JP H0439603 B2 JPH0439603 B2 JP H0439603B2
Authority
JP
Japan
Prior art keywords
image sensor
photodiode
light
signal
phase
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
JP58086391A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59211822A (ja
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 filed Critical
Priority to JP8639183A priority Critical patent/JPS59211822A/ja
Publication of JPS59211822A publication Critical patent/JPS59211822A/ja
Publication of JPH0439603B2 publication Critical patent/JPH0439603B2/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)
  • Optical Transform (AREA)
JP8639183A 1983-05-17 1983-05-17 変位変換器 Granted JPS59211822A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8639183A JPS59211822A (ja) 1983-05-17 1983-05-17 変位変換器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8639183A JPS59211822A (ja) 1983-05-17 1983-05-17 変位変換器

Publications (2)

Publication Number Publication Date
JPS59211822A JPS59211822A (ja) 1984-11-30
JPH0439603B2 true JPH0439603B2 (de) 1992-06-30

Family

ID=13885570

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8639183A Granted JPS59211822A (ja) 1983-05-17 1983-05-17 変位変換器

Country Status (1)

Country Link
JP (1) JPS59211822A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4938265B2 (ja) * 2004-09-03 2012-05-23 ライカ ジオシステムズ アクチェンゲゼルシャフト 回転角を正確に測定する方法及び装置
US7244928B2 (en) * 2005-01-07 2007-07-17 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Optical encoder

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5219127B2 (de) * 1972-09-14 1977-05-26
JPS57169612A (en) * 1981-04-13 1982-10-19 Tokyo Optical Co Ltd Photoelectric encoder

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5432826Y2 (de) * 1975-07-29 1979-10-11
JPS5597022U (de) * 1978-12-28 1980-07-05

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5219127B2 (de) * 1972-09-14 1977-05-26
JPS57169612A (en) * 1981-04-13 1982-10-19 Tokyo Optical Co Ltd Photoelectric encoder

Also Published As

Publication number Publication date
JPS59211822A (ja) 1984-11-30

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