JPH028320Y2 - - Google Patents
Info
- Publication number
- JPH028320Y2 JPH028320Y2 JP3150583U JP3150583U JPH028320Y2 JP H028320 Y2 JPH028320 Y2 JP H028320Y2 JP 3150583 U JP3150583 U JP 3150583U JP 3150583 U JP3150583 U JP 3150583U JP H028320 Y2 JPH028320 Y2 JP H028320Y2
- Authority
- JP
- Japan
- Prior art keywords
- acoustic lens
- perforated plate
- view
- plate
- sound
- 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
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3150583U JPS5922500U (ja) | 1983-03-07 | 1983-03-07 | 音響レンズ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3150583U JPS5922500U (ja) | 1983-03-07 | 1983-03-07 | 音響レンズ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5922500U JPS5922500U (ja) | 1984-02-10 |
| JPH028320Y2 true JPH028320Y2 (enrdf_load_stackoverflow) | 1990-02-27 |
Family
ID=30162347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3150583U Granted JPS5922500U (ja) | 1983-03-07 | 1983-03-07 | 音響レンズ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5922500U (enrdf_load_stackoverflow) |
-
1983
- 1983-03-07 JP JP3150583U patent/JPS5922500U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5922500U (ja) | 1984-02-10 |
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