JPS622243B2 - - Google Patents

Info

Publication number
JPS622243B2
JPS622243B2 JP56080392A JP8039281A JPS622243B2 JP S622243 B2 JPS622243 B2 JP S622243B2 JP 56080392 A JP56080392 A JP 56080392A JP 8039281 A JP8039281 A JP 8039281A JP S622243 B2 JPS622243 B2 JP S622243B2
Authority
JP
Japan
Prior art keywords
signal
noise
circuit
count value
frequency band
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
JP56080392A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57196118A (en
Inventor
Takashi Serizawa
Makoto Suzuki
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.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor 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 Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Priority to JP56080392A priority Critical patent/JPS57196118A/ja
Publication of JPS57196118A publication Critical patent/JPS57196118A/ja
Publication of JPS622243B2 publication Critical patent/JPS622243B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
JP56080392A 1981-05-27 1981-05-27 Abnormality detector for rotary mechanism Granted JPS57196118A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56080392A JPS57196118A (en) 1981-05-27 1981-05-27 Abnormality detector for rotary mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56080392A JPS57196118A (en) 1981-05-27 1981-05-27 Abnormality detector for rotary mechanism

Publications (2)

Publication Number Publication Date
JPS57196118A JPS57196118A (en) 1982-12-02
JPS622243B2 true JPS622243B2 (enrdf_load_stackoverflow) 1987-01-19

Family

ID=13717009

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56080392A Granted JPS57196118A (en) 1981-05-27 1981-05-27 Abnormality detector for rotary mechanism

Country Status (1)

Country Link
JP (1) JPS57196118A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6195218A (ja) * 1984-10-17 1986-05-14 Nissan Motor Co Ltd 機械作動音の異常判別装置
JPH02227617A (ja) * 1989-02-28 1990-09-10 Ishikawajima Harima Heavy Ind Co Ltd 異常音検知装置
JPH10290810A (ja) * 1997-04-21 1998-11-04 Osada Res Inst Ltd 歯科治療用ハンドピース
JP5743996B2 (ja) * 2012-11-06 2015-07-01 ジヤトコ株式会社 自動変速機の異常判定装置および異常判定方法

Also Published As

Publication number Publication date
JPS57196118A (en) 1982-12-02

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