JPH0113516Y2 - - Google Patents
Info
- Publication number
- JPH0113516Y2 JPH0113516Y2 JP15779884U JP15779884U JPH0113516Y2 JP H0113516 Y2 JPH0113516 Y2 JP H0113516Y2 JP 15779884 U JP15779884 U JP 15779884U JP 15779884 U JP15779884 U JP 15779884U JP H0113516 Y2 JPH0113516 Y2 JP H0113516Y2
- Authority
- JP
- Japan
- Prior art keywords
- opening
- acoustic resistance
- microphone unit
- pipe
- interference pipe
- 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
Links
- 239000000463 material Substances 0.000 claims description 18
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 3
- 239000004744 fabric Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 1
Landscapes
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15779884U JPH0113516Y2 (en]) | 1984-10-19 | 1984-10-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15779884U JPH0113516Y2 (en]) | 1984-10-19 | 1984-10-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6172990U JPS6172990U (en]) | 1986-05-17 |
| JPH0113516Y2 true JPH0113516Y2 (en]) | 1989-04-20 |
Family
ID=30715785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15779884U Expired JPH0113516Y2 (en]) | 1984-10-19 | 1984-10-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0113516Y2 (en]) |
-
1984
- 1984-10-19 JP JP15779884U patent/JPH0113516Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6172990U (en]) | 1986-05-17 |
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