JPH0548678B2 - - Google Patents
Info
- Publication number
- JPH0548678B2 JPH0548678B2 JP59009000A JP900084A JPH0548678B2 JP H0548678 B2 JPH0548678 B2 JP H0548678B2 JP 59009000 A JP59009000 A JP 59009000A JP 900084 A JP900084 A JP 900084A JP H0548678 B2 JPH0548678 B2 JP H0548678B2
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- carbon fiber
- resin
- molding
- montmorillonite
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP900084A JPS60153298A (ja) | 1984-01-21 | 1984-01-21 | 電気音響変換器用振動板 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP900084A JPS60153298A (ja) | 1984-01-21 | 1984-01-21 | 電気音響変換器用振動板 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60153298A JPS60153298A (ja) | 1985-08-12 |
JPH0548678B2 true JPH0548678B2 (cs) | 1993-07-22 |
Family
ID=11708403
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP900084A Granted JPS60153298A (ja) | 1984-01-21 | 1984-01-21 | 電気音響変換器用振動板 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60153298A (cs) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5275316A (en) * | 1975-12-19 | 1977-06-24 | Mitsubishi Electric Corp | Diaphragm for speakers |
JPS58107795A (ja) * | 1981-12-22 | 1983-06-27 | Hitachi Chem Co Ltd | 電気音響振動板 |
-
1984
- 1984-01-21 JP JP900084A patent/JPS60153298A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS60153298A (ja) | 1985-08-12 |
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