JPS58184549A - 回転速度検出装置 - Google Patents

回転速度検出装置

Info

Publication number
JPS58184549A
JPS58184549A JP6721482A JP6721482A JPS58184549A JP S58184549 A JPS58184549 A JP S58184549A JP 6721482 A JP6721482 A JP 6721482A JP 6721482 A JP6721482 A JP 6721482A JP S58184549 A JPS58184549 A JP S58184549A
Authority
JP
Japan
Prior art keywords
slice
phase
circuit
light
rotational speed
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
JP6721482A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6157579B2 (enrdf_load_stackoverflow
Inventor
Toshiyuki Katagiri
俊幸 片桐
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
NEC Corp
Original Assignee
NEC Home Electronics Ltd
Nippon Electric 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 NEC Home Electronics Ltd, Nippon Electric Co 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)
  • Optical Transform (AREA)
  • Linear Or Angular Velocity Measurement And Their Indicating Devices (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 true JPS58184549A (ja) 1983-10-28
JPS6157579B2 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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2432209A (en) * 2005-10-26 2007-05-16 Avago Tech Ecbu Ip Reflective optical encoders

Citations (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

Patent Citations (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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2432209A (en) * 2005-10-26 2007-05-16 Avago Tech Ecbu Ip Reflective optical encoders
US7385178B2 (en) 2005-10-26 2008-06-10 Avago Technologies Ecbu Ip Pte Ltd Reflective encoders with various emitter-detector configurations
GB2432209B (en) * 2005-10-26 2010-09-15 Avago Tech Ecbu Ip Reflective encoders with various emitter-detector configurations

Also Published As

Publication number Publication date
JPS6157579B2 (enrdf_load_stackoverflow) 1986-12-08

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