JPS61139437U - - Google Patents
Info
- Publication number
- JPS61139437U JPS61139437U JP15732084U JP15732084U JPS61139437U JP S61139437 U JPS61139437 U JP S61139437U JP 15732084 U JP15732084 U JP 15732084U JP 15732084 U JP15732084 U JP 15732084U JP S61139437 U JPS61139437 U JP S61139437U
- Authority
- JP
- Japan
- Prior art keywords
- test
- door
- air
- test box
- 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.)
- Granted
Links
- 238000012360 testing method Methods 0.000 claims description 18
- 239000011358 absorbing material Substances 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 1
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15732084U JPH031783Y2 (https=) | 1984-10-18 | 1984-10-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15732084U JPH031783Y2 (https=) | 1984-10-18 | 1984-10-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61139437U true JPS61139437U (https=) | 1986-08-29 |
| JPH031783Y2 JPH031783Y2 (https=) | 1991-01-18 |
Family
ID=30715315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15732084U Expired JPH031783Y2 (https=) | 1984-10-18 | 1984-10-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH031783Y2 (https=) |
-
1984
- 1984-10-18 JP JP15732084U patent/JPH031783Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH031783Y2 (https=) | 1991-01-18 |
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