JPS4730443Y1 - - Google Patents
Info
- Publication number
- JPS4730443Y1 JPS4730443Y1 JP1968098446U JP9844668U JPS4730443Y1 JP S4730443 Y1 JPS4730443 Y1 JP S4730443Y1 JP 1968098446 U JP1968098446 U JP 1968098446U JP 9844668 U JP9844668 U JP 9844668U JP S4730443 Y1 JPS4730443 Y1 JP S4730443Y1
- 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.)
- Expired
Links
Landscapes
- Diaphragms For Electromechanical Transducers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1968098446U JPS4730443Y1 (en) | 1968-11-13 | 1968-11-13 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1968098446U JPS4730443Y1 (en) | 1968-11-13 | 1968-11-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS4730443Y1 true JPS4730443Y1 (en) | 1972-09-12 |
Family
ID=42927191
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1968098446U Expired JPS4730443Y1 (en) | 1968-11-13 | 1968-11-13 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS4730443Y1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003101148A1 (en) * | 2002-05-28 | 2003-12-04 | Sony Corporation | Speaker with diaphragm reinforcing ring |
JP2007235553A (en) * | 2006-03-01 | 2007-09-13 | Pioneer Electronic Corp | Dome diaphragm, and speaker apparatus |
DE102014224061B4 (en) | 2013-12-19 | 2022-04-07 | Apple Inc. | Three-part membrane speaker |
-
1968
- 1968-11-13 JP JP1968098446U patent/JPS4730443Y1/ja not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003101148A1 (en) * | 2002-05-28 | 2003-12-04 | Sony Corporation | Speaker with diaphragm reinforcing ring |
JP2007235553A (en) * | 2006-03-01 | 2007-09-13 | Pioneer Electronic Corp | Dome diaphragm, and speaker apparatus |
DE102014224061B4 (en) | 2013-12-19 | 2022-04-07 | Apple Inc. | Three-part membrane speaker |