JPH0426064B2 - - Google Patents

Info

Publication number
JPH0426064B2
JPH0426064B2 JP10312883A JP10312883A JPH0426064B2 JP H0426064 B2 JPH0426064 B2 JP H0426064B2 JP 10312883 A JP10312883 A JP 10312883A JP 10312883 A JP10312883 A JP 10312883A JP H0426064 B2 JPH0426064 B2 JP H0426064B2
Authority
JP
Japan
Prior art keywords
light
receiving element
photoelectric conversion
conversion element
common terminal
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
JP10312883A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59226869A (ja
Inventor
Shinya Kono
Takao Urakawa
Tsuguo Inasawa
Masaharu Oono
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 Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP10312883A priority Critical patent/JPS59226869A/ja
Publication of JPS59226869A publication Critical patent/JPS59226869A/ja
Publication of JPH0426064B2 publication Critical patent/JPH0426064B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42Devices characterised by the use of electric or magnetic means
    • G01P3/44Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/486Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by photo-electric detectors
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D5/00Mechanical 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
    • G01D5/26Mechanical 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
    • G01D5/32Mechanical 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
    • G01D5/34Mechanical 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
    • G01D5/347Mechanical 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
    • G01D5/34707Scales; Discs, e.g. fixation, fabrication, compensation
    • G01D5/34715Scale reading or illumination devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Linear Or Angular Velocity Measurement And Their Indicating Devices (AREA)
  • Optical Transform (AREA)
JP10312883A 1983-06-08 1983-06-08 光学式回転数検出装置 Granted JPS59226869A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10312883A JPS59226869A (ja) 1983-06-08 1983-06-08 光学式回転数検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10312883A JPS59226869A (ja) 1983-06-08 1983-06-08 光学式回転数検出装置

Publications (2)

Publication Number Publication Date
JPS59226869A JPS59226869A (ja) 1984-12-20
JPH0426064B2 true JPH0426064B2 (en]) 1992-05-06

Family

ID=14345917

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10312883A Granted JPS59226869A (ja) 1983-06-08 1983-06-08 光学式回転数検出装置

Country Status (1)

Country Link
JP (1) JPS59226869A (en])

Also Published As

Publication number Publication date
JPS59226869A (ja) 1984-12-20

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