JPH0258592B2 - - Google Patents

Info

Publication number
JPH0258592B2
JPH0258592B2 JP12210581A JP12210581A JPH0258592B2 JP H0258592 B2 JPH0258592 B2 JP H0258592B2 JP 12210581 A JP12210581 A JP 12210581A JP 12210581 A JP12210581 A JP 12210581A JP H0258592 B2 JPH0258592 B2 JP H0258592B2
Authority
JP
Japan
Prior art keywords
permanent magnet
detection device
pole
rotational frequency
frequency detection
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
JP12210581A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5822961A (ja
Inventor
Ryohei Uchida
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 JP12210581A priority Critical patent/JPS5822961A/ja
Publication of JPS5822961A publication Critical patent/JPS5822961A/ja
Publication of JPH0258592B2 publication Critical patent/JPH0258592B2/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
    • G01P3/487—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 rotating magnets

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Linear Or Angular Velocity Measurement And Their Indicating Devices (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
JP12210581A 1981-08-03 1981-08-03 回転周波数検出装置 Granted JPS5822961A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12210581A JPS5822961A (ja) 1981-08-03 1981-08-03 回転周波数検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12210581A JPS5822961A (ja) 1981-08-03 1981-08-03 回転周波数検出装置

Publications (2)

Publication Number Publication Date
JPS5822961A JPS5822961A (ja) 1983-02-10
JPH0258592B2 true JPH0258592B2 (2) 1990-12-10

Family

ID=14827760

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12210581A Granted JPS5822961A (ja) 1981-08-03 1981-08-03 回転周波数検出装置

Country Status (1)

Country Link
JP (1) JPS5822961A (2)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61185048A (ja) * 1985-02-13 1986-08-18 Akai Electric Co Ltd 周波数発電機

Also Published As

Publication number Publication date
JPS5822961A (ja) 1983-02-10

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