JPS4957829A - - Google Patents
Info
- Publication number
- JPS4957829A JPS4957829A JP9842572A JP9842572A JPS4957829A JP S4957829 A JPS4957829 A JP S4957829A JP 9842572 A JP9842572 A JP 9842572A JP 9842572 A JP9842572 A JP 9842572A JP S4957829 A JPS4957829 A JP S4957829A
- Authority
- JP
- Japan
- 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
Landscapes
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9842572A JPS541447B2 (en:Method) | 1972-09-30 | 1972-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9842572A JPS541447B2 (en:Method) | 1972-09-30 | 1972-09-30 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14465377A Division JPS53124413A (en) | 1977-12-02 | 1977-12-02 | Horn type speaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4957829A true JPS4957829A (en:Method) | 1974-06-05 |
| JPS541447B2 JPS541447B2 (en:Method) | 1979-01-25 |
Family
ID=14219443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9842572A Expired JPS541447B2 (en:Method) | 1972-09-30 | 1972-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS541447B2 (en:Method) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5387641U (en:Method) * | 1976-12-20 | 1978-07-19 | ||
| GB2564776A (en) * | 2017-07-21 | 2019-01-23 | Premium Loudspeakers Hui Zhou Co Ltd | Combined-Type Phase Plug, and Compression Driver and Speaker Using Same |
-
1972
- 1972-09-30 JP JP9842572A patent/JPS541447B2/ja not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5387641U (en:Method) * | 1976-12-20 | 1978-07-19 | ||
| GB2564776A (en) * | 2017-07-21 | 2019-01-23 | Premium Loudspeakers Hui Zhou Co Ltd | Combined-Type Phase Plug, and Compression Driver and Speaker Using Same |
| DE102018116175B4 (de) * | 2017-07-21 | 2019-08-29 | Tymphany Acoustic Technology (Huizhou) Co., Ltd. | Kombinierter Phase-Plug, und Kompressionstreiber und Lautsprecher, welche dergleichen verwenden |
| GB2564776B (en) * | 2017-07-21 | 2019-11-20 | Tymphany Acoustic Tech Huizhou Co Ltd | Combined-Type Phase Plug, and Compression Driver and Speaker Using Same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS541447B2 (en:Method) | 1979-01-25 |