JPS6236535B2 - - Google Patents

Info

Publication number
JPS6236535B2
JPS6236535B2 JP55006684A JP668480A JPS6236535B2 JP S6236535 B2 JPS6236535 B2 JP S6236535B2 JP 55006684 A JP55006684 A JP 55006684A JP 668480 A JP668480 A JP 668480A JP S6236535 B2 JPS6236535 B2 JP S6236535B2
Authority
JP
Japan
Prior art keywords
frequency
section
frequency pattern
sound
product
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
JP55006684A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56104246A (en
Inventor
Hidetomo Komura
Kunihide Orita
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.)
Rion Co Ltd
Original Assignee
Rion 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 Rion Co Ltd filed Critical Rion Co Ltd
Priority to JP668480A priority Critical patent/JPS56104246A/ja
Publication of JPS56104246A publication Critical patent/JPS56104246A/ja
Publication of JPS6236535B2 publication Critical patent/JPS6236535B2/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
    • G01H3/04—Frequency
    • G01H3/06—Frequency by electric means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
JP668480A 1980-01-23 1980-01-23 Product inspecting apparatus by sound discrimination Granted JPS56104246A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP668480A JPS56104246A (en) 1980-01-23 1980-01-23 Product inspecting apparatus by sound discrimination

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP668480A JPS56104246A (en) 1980-01-23 1980-01-23 Product inspecting apparatus by sound discrimination

Publications (2)

Publication Number Publication Date
JPS56104246A JPS56104246A (en) 1981-08-19
JPS6236535B2 true JPS6236535B2 (enrdf_load_stackoverflow) 1987-08-07

Family

ID=11645178

Family Applications (1)

Application Number Title Priority Date Filing Date
JP668480A Granted JPS56104246A (en) 1980-01-23 1980-01-23 Product inspecting apparatus by sound discrimination

Country Status (1)

Country Link
JP (1) JPS56104246A (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02298825A (ja) * 1989-05-13 1990-12-11 Nippondenso Co Ltd 回転機のための異常検査装置
JP2006058051A (ja) * 2004-08-18 2006-03-02 Yamanashi Tlo:Kk 音響検査方法および装置
JP7083293B2 (ja) * 2017-08-31 2022-06-10 Ntn株式会社 状態監視方法および状態監視装置
WO2019044729A1 (ja) * 2017-08-31 2019-03-07 Ntn株式会社 状態監視方法および状態監視装置
US11830518B2 (en) 2018-07-31 2023-11-28 Panasonic Intellectual Property Management Co., Ltd. Sound data processing method, sound data processing device, and program
JP7299173B2 (ja) * 2020-01-16 2023-06-27 トヨタ自動車株式会社 着磁ヨークの破損診断装置

Also Published As

Publication number Publication date
JPS56104246A (en) 1981-08-19

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