JPS631359Y2 - - Google Patents
Info
- Publication number
- JPS631359Y2 JPS631359Y2 JP7357980U JP7357980U JPS631359Y2 JP S631359 Y2 JPS631359 Y2 JP S631359Y2 JP 7357980 U JP7357980 U JP 7357980U JP 7357980 U JP7357980 U JP 7357980U JP S631359 Y2 JPS631359 Y2 JP S631359Y2
- Authority
- JP
- Japan
- Prior art keywords
- acoustic
- acoustic lens
- speaker unit
- small holes
- pattern
- 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
- 238000009792 diffusion process Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 4
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Landscapes
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7357980U JPS631359Y2 (fr) | 1980-05-27 | 1980-05-27 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7357980U JPS631359Y2 (fr) | 1980-05-27 | 1980-05-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56175900U JPS56175900U (fr) | 1981-12-25 |
JPS631359Y2 true JPS631359Y2 (fr) | 1988-01-13 |
Family
ID=29436388
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7357980U Expired JPS631359Y2 (fr) | 1980-05-27 | 1980-05-27 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS631359Y2 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1663322B (zh) * | 2002-05-02 | 2011-03-16 | 哈曼国际工业有限公司 | 电动平面扬声器 |
-
1980
- 1980-05-27 JP JP7357980U patent/JPS631359Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS56175900U (fr) | 1981-12-25 |
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