JPH0330837Y2 - - Google Patents

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Publication number
JPH0330837Y2
JPH0330837Y2 JP1985031531U JP3153185U JPH0330837Y2 JP H0330837 Y2 JPH0330837 Y2 JP H0330837Y2 JP 1985031531 U JP1985031531 U JP 1985031531U JP 3153185 U JP3153185 U JP 3153185U JP H0330837 Y2 JPH0330837 Y2 JP H0330837Y2
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JP
Japan
Prior art keywords
noise
sound
measuring
level
box
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
JP1985031531U
Other languages
English (en)
Japanese (ja)
Other versions
JPS61147937U (cs
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 JP1985031531U priority Critical patent/JPH0330837Y2/ja
Publication of JPS61147937U publication Critical patent/JPS61147937U/ja
Application granted granted Critical
Publication of JPH0330837Y2 publication Critical patent/JPH0330837Y2/ja
Expired legal-status Critical Current

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Landscapes

  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
JP1985031531U 1985-03-07 1985-03-07 Expired JPH0330837Y2 (cs)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985031531U JPH0330837Y2 (cs) 1985-03-07 1985-03-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985031531U JPH0330837Y2 (cs) 1985-03-07 1985-03-07

Publications (2)

Publication Number Publication Date
JPS61147937U JPS61147937U (cs) 1986-09-12
JPH0330837Y2 true JPH0330837Y2 (cs) 1991-06-28

Family

ID=30532229

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985031531U Expired JPH0330837Y2 (cs) 1985-03-07 1985-03-07

Country Status (1)

Country Link
JP (1) JPH0330837Y2 (cs)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5582021A (en) * 1978-11-28 1980-06-20 Fujitsu Ltd Automatic tester for sound volume
JPS59151125U (ja) * 1983-03-29 1984-10-09 三菱電機株式会社 発生音検出センサ

Also Published As

Publication number Publication date
JPS61147937U (cs) 1986-09-12

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