JPS57196157A - Measurement of number of revolution - Google Patents

Measurement of number of revolution

Info

Publication number
JPS57196157A
JPS57196157A JP8325381A JP8325381A JPS57196157A JP S57196157 A JPS57196157 A JP S57196157A JP 8325381 A JP8325381 A JP 8325381A JP 8325381 A JP8325381 A JP 8325381A JP S57196157 A JPS57196157 A JP S57196157A
Authority
JP
Japan
Prior art keywords
revolution
frequency
sound waves
fluid
medium
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
JP8325381A
Other languages
English (en)
Inventor
Sadao Akishita
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP8325381A priority Critical patent/JPS57196157A/ja
Publication of JPS57196157A publication Critical patent/JPS57196157A/ja
Pending 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Linear Or Angular Velocity Measurement And Their Indicating Devices (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
JP8325381A 1981-05-28 1981-05-28 Measurement of number of revolution Pending JPS57196157A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8325381A JPS57196157A (en) 1981-05-28 1981-05-28 Measurement of number of revolution

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8325381A JPS57196157A (en) 1981-05-28 1981-05-28 Measurement of number of revolution

Publications (1)

Publication Number Publication Date
JPS57196157A true JPS57196157A (en) 1982-12-02

Family

ID=13797166

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8325381A Pending JPS57196157A (en) 1981-05-28 1981-05-28 Measurement of number of revolution

Country Status (1)

Country Link
JP (1) JPS57196157A (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60178363A (ja) * 1984-02-24 1985-09-12 Asahi Okuma Ind Co Ltd エア−モ−タ−の回転数検知方法及び装置
JPS61163987U (ja) * 1985-03-30 1986-10-11
EP0699614A1 (fr) * 1994-08-30 1996-03-06 AEROSPATIALE Société Nationale Industrielle Procédé et dispositif de contrÔle du déroulement d'une bobine
JP2014039906A (ja) * 2012-08-22 2014-03-06 Ube Machinery Corporation Ltd 粉砕ローラの回転数検出方法及び回転数検出装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60178363A (ja) * 1984-02-24 1985-09-12 Asahi Okuma Ind Co Ltd エア−モ−タ−の回転数検知方法及び装置
JPS61163987U (ja) * 1985-03-30 1986-10-11
EP0699614A1 (fr) * 1994-08-30 1996-03-06 AEROSPATIALE Société Nationale Industrielle Procédé et dispositif de contrÔle du déroulement d'une bobine
JP2014039906A (ja) * 2012-08-22 2014-03-06 Ube Machinery Corporation Ltd 粉砕ローラの回転数検出方法及び回転数検出装置

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