JPH0444700B2 - - Google Patents

Info

Publication number
JPH0444700B2
JPH0444700B2 JP57200691A JP20069182A JPH0444700B2 JP H0444700 B2 JPH0444700 B2 JP H0444700B2 JP 57200691 A JP57200691 A JP 57200691A JP 20069182 A JP20069182 A JP 20069182A JP H0444700 B2 JPH0444700 B2 JP H0444700B2
Authority
JP
Japan
Prior art keywords
photoelectric conversion
conversion element
pitch
rotary encoder
element group
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
JP57200691A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5990060A (ja
Inventor
Hiromi Nakase
Kunikazu Ozawa
Yasuhiro Goto
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 JP57200691A priority Critical patent/JPS5990060A/ja
Publication of JPS5990060A publication Critical patent/JPS5990060A/ja
Publication of JPH0444700B2 publication Critical patent/JPH0444700B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/486—Devices 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Linear Or Angular Velocity Measurement And Their Indicating Devices (AREA)
  • Optical Transform (AREA)
JP57200691A 1982-11-15 1982-11-15 光学式回転検出装置 Granted JPS5990060A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57200691A JPS5990060A (ja) 1982-11-15 1982-11-15 光学式回転検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57200691A JPS5990060A (ja) 1982-11-15 1982-11-15 光学式回転検出装置

Publications (2)

Publication Number Publication Date
JPS5990060A JPS5990060A (ja) 1984-05-24
JPH0444700B2 true JPH0444700B2 (enExample) 1992-07-22

Family

ID=16428639

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57200691A Granted JPS5990060A (ja) 1982-11-15 1982-11-15 光学式回転検出装置

Country Status (1)

Country Link
JP (1) JPS5990060A (enExample)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3757128A (en) * 1972-03-20 1973-09-04 Ibm Multiphase tachometer
JPS5412872A (en) * 1977-06-30 1979-01-30 Ono Sokki Seisakusho Kk Shaft speed detector
JPS55148642U (enExample) * 1979-04-12 1980-10-25

Also Published As

Publication number Publication date
JPS5990060A (ja) 1984-05-24

Similar Documents

Publication Publication Date Title
EP0088624B1 (en) Optical rotation detecting apparatus
US4093897A (en) Electric motor
US4853632A (en) Apparatus for magnetically detecting a position of a movable magnetic body
JPS636801B2 (enExample)
US4639648A (en) Three-phase brushless motor
EP0131632B1 (en) Three-phase brushless motor
JPH0444700B2 (enExample)
JPS59221667A (ja) 光学式回転検出装置
JPS5990059A (ja) 光学式回転検出装置
JPH0510628B2 (enExample)
JPH0371667B2 (enExample)
JPH1010141A (ja) 磁気式回転検出装置
JPH0149884B2 (enExample)
JPS58202873A (ja) 光学的回転検出装置
JP2003121200A (ja) 磁気エンコーダ
JPS59221619A (ja) 光学式回転検出装置
JPS59226868A (ja) 光学式回転検出装置
JPS5990058A (ja) 光学式回転検出装置
JPS59226823A (ja) 光学式回転検出装置
CA1256152A (en) Three-phase brushless motor
JPH11108689A (ja) 無接点回転スイッチ
JPS60125518A (ja) 光学式回転検出装置
JPS61129528A (ja) 光学式回転検出装置
JPH0586133B2 (enExample)
JPS62108113A (ja) 光学式回転検出装置