JPS6335926U - - Google Patents

Info

Publication number
JPS6335926U
JPS6335926U JP12997386U JP12997386U JPS6335926U JP S6335926 U JPS6335926 U JP S6335926U JP 12997386 U JP12997386 U JP 12997386U JP 12997386 U JP12997386 U JP 12997386U JP S6335926 U JPS6335926 U JP S6335926U
Authority
JP
Japan
Prior art keywords
alarm
noise level
determination
sound collection
microphone
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
JP12997386U
Other languages
English (en)
Japanese (ja)
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 filed Critical
Priority to JP12997386U priority Critical patent/JPS6335926U/ja
Publication of JPS6335926U publication Critical patent/JPS6335926U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
JP12997386U 1986-08-26 1986-08-26 Pending JPS6335926U (US20030220297A1-20031127-C00009.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12997386U JPS6335926U (US20030220297A1-20031127-C00009.png) 1986-08-26 1986-08-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12997386U JPS6335926U (US20030220297A1-20031127-C00009.png) 1986-08-26 1986-08-26

Publications (1)

Publication Number Publication Date
JPS6335926U true JPS6335926U (US20030220297A1-20031127-C00009.png) 1988-03-08

Family

ID=31027034

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12997386U Pending JPS6335926U (US20030220297A1-20031127-C00009.png) 1986-08-26 1986-08-26

Country Status (1)

Country Link
JP (1) JPS6335926U (US20030220297A1-20031127-C00009.png)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54147883A (en) * 1978-05-12 1979-11-19 Mitsubishi Electric Corp Abnormality detector of mechanical structures

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54147883A (en) * 1978-05-12 1979-11-19 Mitsubishi Electric Corp Abnormality detector of mechanical structures

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