JPS5943311A - 回転角度検出装置 - Google Patents

回転角度検出装置

Info

Publication number
JPS5943311A
JPS5943311A JP15261682A JP15261682A JPS5943311A JP S5943311 A JPS5943311 A JP S5943311A JP 15261682 A JP15261682 A JP 15261682A JP 15261682 A JP15261682 A JP 15261682A JP S5943311 A JPS5943311 A JP S5943311A
Authority
JP
Japan
Prior art keywords
electronic circuit
detection device
case
rotation angle
angle detection
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.)
Granted
Application number
JP15261682A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0472170B2 (enrdf_load_stackoverflow
Inventor
Kazuhiko Kawakami
和彦 河上
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP15261682A priority Critical patent/JPS5943311A/ja
Publication of JPS5943311A publication Critical patent/JPS5943311A/ja
Publication of JPH0472170B2 publication Critical patent/JPH0472170B2/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)
  • Linear Or Angular Velocity Measurement And Their Indicating Devices (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Transform (AREA)
JP15261682A 1982-09-03 1982-09-03 回転角度検出装置 Granted JPS5943311A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15261682A JPS5943311A (ja) 1982-09-03 1982-09-03 回転角度検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15261682A JPS5943311A (ja) 1982-09-03 1982-09-03 回転角度検出装置

Publications (2)

Publication Number Publication Date
JPS5943311A true JPS5943311A (ja) 1984-03-10
JPH0472170B2 JPH0472170B2 (enrdf_load_stackoverflow) 1992-11-17

Family

ID=15544270

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15261682A Granted JPS5943311A (ja) 1982-09-03 1982-09-03 回転角度検出装置

Country Status (1)

Country Link
JP (1) JPS5943311A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6437621U (enrdf_load_stackoverflow) * 1987-08-28 1989-03-07
US4989329A (en) * 1988-03-31 1991-02-05 Schlumberger Industries Limited Rotary displacement transducers

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5719614A (en) * 1980-07-11 1982-02-01 Hitachi Ltd Device for sensing rotary angle

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5719614A (en) * 1980-07-11 1982-02-01 Hitachi Ltd Device for sensing rotary angle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6437621U (enrdf_load_stackoverflow) * 1987-08-28 1989-03-07
US4989329A (en) * 1988-03-31 1991-02-05 Schlumberger Industries Limited Rotary displacement transducers

Also Published As

Publication number Publication date
JPH0472170B2 (enrdf_load_stackoverflow) 1992-11-17

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