JPS55164354A - Detecting method of mixed foreign material - Google Patents

Detecting method of mixed foreign material

Info

Publication number
JPS55164354A
JPS55164354A JP7320179A JP7320179A JPS55164354A JP S55164354 A JPS55164354 A JP S55164354A JP 7320179 A JP7320179 A JP 7320179A JP 7320179 A JP7320179 A JP 7320179A JP S55164354 A JPS55164354 A JP S55164354A
Authority
JP
Japan
Prior art keywords
noise
duct
foreign material
microphone
mixed
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.)
Granted
Application number
JP7320179A
Other languages
English (en)
Other versions
JPS5925181B2 (ja
Inventor
Takeo Ohara
Tetsuo Hiasa
Isamu Isshiki
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.)
Fuji Spinning Co Ltd
Original Assignee
Fuji Spinning 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 Fuji Spinning Co Ltd filed Critical Fuji Spinning Co Ltd
Priority to JP54073201A priority Critical patent/JPS5925181B2/ja
Publication of JPS55164354A publication Critical patent/JPS55164354A/ja
Publication of JPS5925181B2 publication Critical patent/JPS5925181B2/ja
Expired legal-status Critical Current

Links

JP54073201A 1979-06-11 1979-06-11 混入異物の検出方法 Expired JPS5925181B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP54073201A JPS5925181B2 (ja) 1979-06-11 1979-06-11 混入異物の検出方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP54073201A JPS5925181B2 (ja) 1979-06-11 1979-06-11 混入異物の検出方法

Publications (2)

Publication Number Publication Date
JPS55164354A true JPS55164354A (en) 1980-12-22
JPS5925181B2 JPS5925181B2 (ja) 1984-06-15

Family

ID=13511289

Family Applications (1)

Application Number Title Priority Date Filing Date
JP54073201A Expired JPS5925181B2 (ja) 1979-06-11 1979-06-11 混入異物の検出方法

Country Status (1)

Country Link
JP (1) JPS5925181B2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007225436A (ja) * 2006-02-23 2007-09-06 Nippon Sheet Glass Co Ltd 板状体の音響透過特性の測定方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007225436A (ja) * 2006-02-23 2007-09-06 Nippon Sheet Glass Co Ltd 板状体の音響透過特性の測定方法

Also Published As

Publication number Publication date
JPS5925181B2 (ja) 1984-06-15

Similar Documents

Publication Publication Date Title
JPS55138634A (en) Fault diagnosis apparatus of apparatus
JPS5277920A (en) Misfire detector
JPS53129079A (en) Spectrum change monitoring system
EP0108534A3 (en) Acoustic indicator for wells
ES445837A1 (es) Un sistema indicador de humedad.
JPS55164354A (en) Detecting method of mixed foreign material
JPS5598353A (en) Abnormal condition detecting method of sliding member in rotating machine
JPS5360293A (en) Frost detector
JPS5692422A (en) Detecting device for oscillation of turbine-driven generator
JPS5764126A (en) Oscillation detecting apparatus
JPS5754835A (en) Diagnosis apparatus for damage on sliding bearing
JPS5640754A (en) Cavitation detecting method using ae sensor
JPS551569A (en) Alarming method of surging and other in fluid machine
JPS56126558A (en) Damage detector for cutting tool
JPS54104883A (en) Bearing abnormality detecting device
JPS5470881A (en) Flaw generation monitor of member
JPS5764128A (en) Loose parts monitor
JPS57100362A (en) Ultrasonic wave measuring device
JPS56105436A (en) Detecting method for gas leakage in sintering machine
JPS5356072A (en) Method and apparatus for detection of corona discharge
JPS5719654A (en) Crack sound signal measuring device
JPS54122483A (en) Abnormality detection device
JPS5560822A (en) Sound characteristic measuring instrument
JPS5250779A (en) Monitor device for leak detectors
JPS52135950A (en) Damage detection and its device for roller bearing