JPS57554A - Tachometer for high speed sampling - Google Patents

Tachometer for high speed sampling

Info

Publication number
JPS57554A
JPS57554A JP7459480A JP7459480A JPS57554A JP S57554 A JPS57554 A JP S57554A JP 7459480 A JP7459480 A JP 7459480A JP 7459480 A JP7459480 A JP 7459480A JP S57554 A JPS57554 A JP S57554A
Authority
JP
Japan
Prior art keywords
period
gamma
counted
value
successively
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
JP7459480A
Other languages
English (en)
Inventor
Eisaku Yamada
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.)
Komatsu Ltd
Original Assignee
Komatsu 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 Komatsu Ltd filed Critical Komatsu Ltd
Priority to JP7459480A priority Critical patent/JPS57554A/ja
Publication of JPS57554A publication Critical patent/JPS57554A/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
    • G01P3/489—Digital circuits therefor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Linear Or Angular Velocity Measurement And Their Indicating Devices (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
JP7459480A 1980-06-03 1980-06-03 Tachometer for high speed sampling Pending JPS57554A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7459480A JPS57554A (en) 1980-06-03 1980-06-03 Tachometer for high speed sampling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7459480A JPS57554A (en) 1980-06-03 1980-06-03 Tachometer for high speed sampling

Publications (1)

Publication Number Publication Date
JPS57554A true JPS57554A (en) 1982-01-05

Family

ID=13551628

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7459480A Pending JPS57554A (en) 1980-06-03 1980-06-03 Tachometer for high speed sampling

Country Status (1)

Country Link
JP (1) JPS57554A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6047964A (ja) * 1983-08-26 1985-03-15 Mitsubishi Electric Corp 車速検出装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6047964A (ja) * 1983-08-26 1985-03-15 Mitsubishi Electric Corp 車速検出装置

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