JPH087440Y2 - 音響装置 - Google Patents
音響装置Info
- Publication number
- JPH087440Y2 JPH087440Y2 JP1990120324U JP12032490U JPH087440Y2 JP H087440 Y2 JPH087440 Y2 JP H087440Y2 JP 1990120324 U JP1990120324 U JP 1990120324U JP 12032490 U JP12032490 U JP 12032490U JP H087440 Y2 JPH087440 Y2 JP H087440Y2
- Authority
- JP
- Japan
- Prior art keywords
- reflector
- sound
- sound source
- focal
- focal point
- 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 - Lifetime
Links
Landscapes
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990120324U JPH087440Y2 (ja) | 1990-11-19 | 1990-11-19 | 音響装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990120324U JPH087440Y2 (ja) | 1990-11-19 | 1990-11-19 | 音響装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0477200U JPH0477200U (cs) | 1992-07-06 |
| JPH087440Y2 true JPH087440Y2 (ja) | 1996-03-04 |
Family
ID=31868235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990120324U Expired - Lifetime JPH087440Y2 (ja) | 1990-11-19 | 1990-11-19 | 音響装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH087440Y2 (cs) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS596065Y2 (ja) * | 1979-05-07 | 1984-02-24 | 松下電器産業株式会社 | ホ−ン型高分子圧電音響トランスジュ−サ |
| JPS57162700U (cs) * | 1981-04-06 | 1982-10-13 |
-
1990
- 1990-11-19 JP JP1990120324U patent/JPH087440Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0477200U (cs) | 1992-07-06 |
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