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JPS5482260A - Method and apparatus for detecting positions of rotating type - Google Patents

Method and apparatus for detecting positions of rotating type

Info

Publication number
JPS5482260A
JPS5482260A JP15004277A JP15004277A JPS5482260A JP S5482260 A JPS5482260 A JP S5482260A JP 15004277 A JP15004277 A JP 15004277A JP 15004277 A JP15004277 A JP 15004277A JP S5482260 A JPS5482260 A JP S5482260A
Authority
JP
Japan
Prior art keywords
light
disc
shield disc
rotation
transmission window
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.)
Pending
Application number
JP15004277A
Other languages
Japanese (ja)
Inventor
Takao Kikuchi
Takehiro Yoshimura
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP15004277A priority Critical patent/JPS5482260A/en
Publication of JPS5482260A publication Critical patent/JPS5482260A/en
Pending 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
    • G01D5/3473—Circular or rotary encoders

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Abstract

PURPOSE: To detect the quantity and angle of rotation at relatively high resolution by combining a disc which has the spiral zone to be sensed and a sensor.
CONSTITUTION: A shield disc 1 which is composed of light non-transmittable member and has a spiral strip form light transmission window 3 centering at a shaft 2 is carried by the forward-backward rotatable shaft 2. A light source element 4 is disposed on one side of the shield disc 1 and a plurality of photoelectric transducers 5 are linearly disposed in the radial direction on the other side. Then, when the shield disc 1 is rotated about the shaft 2, the position of the light transmission window 3 with respect to the photoelectric transducer 5 group changes in the radial direction of the shield disc 1 along with the progression of the rotation and the light having been emitted form the light source element 4 and transmitted through the light transmission window 3 selectively enters subsequently into one of the photoelectric transducer 5 group. Hence, the quantity and angle of rotation of the shield disc 1 are detected by the outputs of the photoelectric transducers 1 to which the light has been entered.
COPYRIGHT: (C)1979,JPO&Japio
JP15004277A 1977-12-14 1977-12-14 Method and apparatus for detecting positions of rotating type Pending JPS5482260A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15004277A JPS5482260A (en) 1977-12-14 1977-12-14 Method and apparatus for detecting positions of rotating type

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15004277A JPS5482260A (en) 1977-12-14 1977-12-14 Method and apparatus for detecting positions of rotating type

Publications (1)

Publication Number Publication Date
JPS5482260A true JPS5482260A (en) 1979-06-30

Family

ID=15488222

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15004277A Pending JPS5482260A (en) 1977-12-14 1977-12-14 Method and apparatus for detecting positions of rotating type

Country Status (1)

Country Link
JP (1) JPS5482260A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57184917A (en) * 1981-05-08 1982-11-13 Tadano Tekkosho:Kk Angle detector
JPS6073417A (en) * 1983-09-30 1985-04-25 Niigata Eng Co Ltd Photoelectric angle detector
JPS60203815A (en) * 1984-03-29 1985-10-15 Usac Electronics Ind Co Ltd Encoder unit
JPS60225024A (en) * 1984-04-24 1985-11-09 Jeco Co Ltd Angle sensor
JPS6169112U (en) * 1984-10-12 1986-05-12
FR3051552A1 (en) * 2016-05-18 2017-11-24 Continental Automotive France LINEAR INDUCTIVE POSITION SENSOR FOR AN ANGULAR MEASUREMENT OF A MECHANICAL PIECE IN ROTATION

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57184917A (en) * 1981-05-08 1982-11-13 Tadano Tekkosho:Kk Angle detector
JPS6073417A (en) * 1983-09-30 1985-04-25 Niigata Eng Co Ltd Photoelectric angle detector
JPS60203815A (en) * 1984-03-29 1985-10-15 Usac Electronics Ind Co Ltd Encoder unit
JPS60225024A (en) * 1984-04-24 1985-11-09 Jeco Co Ltd Angle sensor
JPS6169112U (en) * 1984-10-12 1986-05-12
FR3051552A1 (en) * 2016-05-18 2017-11-24 Continental Automotive France LINEAR INDUCTIVE POSITION SENSOR FOR AN ANGULAR MEASUREMENT OF A MECHANICAL PIECE IN ROTATION
US10371498B2 (en) 2016-05-18 2019-08-06 Continental Automotive France Linear inductive position sensor for an angle measurement of a mechanical component in rotation

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