JPH01136441U - - Google Patents

Info

Publication number
JPH01136441U
JPH01136441U JP3161688U JP3161688U JPH01136441U JP H01136441 U JPH01136441 U JP H01136441U JP 3161688 U JP3161688 U JP 3161688U JP 3161688 U JP3161688 U JP 3161688U JP H01136441 U JPH01136441 U JP H01136441U
Authority
JP
Japan
Prior art keywords
acoustic emission
emission sensor
leaks
signal
pulse generator
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
JP3161688U
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 JP3161688U priority Critical patent/JPH01136441U/ja
Publication of JPH01136441U publication Critical patent/JPH01136441U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Examining Or Testing Airtightness (AREA)
JP3161688U 1988-03-11 1988-03-11 Pending JPH01136441U (US20080293856A1-20081127-C00150.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3161688U JPH01136441U (US20080293856A1-20081127-C00150.png) 1988-03-11 1988-03-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3161688U JPH01136441U (US20080293856A1-20081127-C00150.png) 1988-03-11 1988-03-11

Publications (1)

Publication Number Publication Date
JPH01136441U true JPH01136441U (US20080293856A1-20081127-C00150.png) 1989-09-19

Family

ID=31257602

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3161688U Pending JPH01136441U (US20080293856A1-20081127-C00150.png) 1988-03-11 1988-03-11

Country Status (1)

Country Link
JP (1) JPH01136441U (US20080293856A1-20081127-C00150.png)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53125875A (en) * 1977-04-11 1978-11-02 Sumitomo Metal Ind Automatic method and device for testing sensitivity of acdustic emission
JPS60252261A (ja) * 1984-05-29 1985-12-12 Power Reactor & Nuclear Fuel Dev Corp 自己機能検査型超音波センサ−
JPS6179160A (ja) * 1984-09-27 1986-04-22 Nachi Fujikoshi Corp 自己診断機能付工具破損検出装置
JPS6179159A (ja) * 1984-09-27 1986-04-22 Nachi Fujikoshi Corp 自己診断センサ

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53125875A (en) * 1977-04-11 1978-11-02 Sumitomo Metal Ind Automatic method and device for testing sensitivity of acdustic emission
JPS60252261A (ja) * 1984-05-29 1985-12-12 Power Reactor & Nuclear Fuel Dev Corp 自己機能検査型超音波センサ−
JPS6179160A (ja) * 1984-09-27 1986-04-22 Nachi Fujikoshi Corp 自己診断機能付工具破損検出装置
JPS6179159A (ja) * 1984-09-27 1986-04-22 Nachi Fujikoshi Corp 自己診断センサ

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