JPS6157579B2 - - Google Patents

Info

Publication number
JPS6157579B2
JPS6157579B2 JP57067214A JP6721482A JPS6157579B2 JP S6157579 B2 JPS6157579 B2 JP S6157579B2 JP 57067214 A JP57067214 A JP 57067214A JP 6721482 A JP6721482 A JP 6721482A JP S6157579 B2 JPS6157579 B2 JP S6157579B2
Authority
JP
Japan
Prior art keywords
rotating disk
light
reflecting
rotational speed
photoelectric conversion
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
JP57067214A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58184549A (ja
Inventor
Toshuki Katagiri
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.)
NEC Home Electronics Ltd
Original Assignee
NEC Home Electronics 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 NEC Home Electronics Ltd filed Critical NEC Home Electronics Ltd
Priority to JP6721482A priority Critical patent/JPS58184549A/ja
Publication of JPS58184549A publication Critical patent/JPS58184549A/ja
Publication of JPS6157579B2 publication Critical patent/JPS6157579B2/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)
JP6721482A 1982-04-23 1982-04-23 回転速度検出装置 Granted JPS58184549A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6721482A JPS58184549A (ja) 1982-04-23 1982-04-23 回転速度検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6721482A JPS58184549A (ja) 1982-04-23 1982-04-23 回転速度検出装置

Publications (2)

Publication Number Publication Date
JPS58184549A JPS58184549A (ja) 1983-10-28
JPS6157579B2 true JPS6157579B2 (enrdf_load_stackoverflow) 1986-12-08

Family

ID=13338429

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6721482A Granted JPS58184549A (ja) 1982-04-23 1982-04-23 回転速度検出装置

Country Status (1)

Country Link
JP (1) JPS58184549A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7385178B2 (en) 2005-10-26 2008-06-10 Avago Technologies Ecbu Ip Pte Ltd Reflective encoders with various emitter-detector configurations

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5179378A (ja) * 1975-01-06 1976-07-10 Hitachi Ltd Hikarishikitakomeeta
JPS5699474U (enrdf_load_stackoverflow) * 1979-12-28 1981-08-05

Also Published As

Publication number Publication date
JPS58184549A (ja) 1983-10-28

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