JPS625519B2 - - Google Patents
Info
- Publication number
- JPS625519B2 JPS625519B2 JP927280A JP927280A JPS625519B2 JP S625519 B2 JPS625519 B2 JP S625519B2 JP 927280 A JP927280 A JP 927280A JP 927280 A JP927280 A JP 927280A JP S625519 B2 JPS625519 B2 JP S625519B2
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- skin material
- core material
- skin
- back surfaces
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
- H04R7/06—Plane diaphragms comprising a plurality of sections or layers
- H04R7/10—Plane diaphragms comprising a plurality of sections or layers comprising superposed layers in contact
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 |
|---|---|---|---|
| JP927280A JPS56107695A (en) | 1980-01-31 | 1980-01-31 | Acoustic diaphragm and its preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP927280A JPS56107695A (en) | 1980-01-31 | 1980-01-31 | Acoustic diaphragm and its preparation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56107695A JPS56107695A (en) | 1981-08-26 |
| JPS625519B2 true JPS625519B2 (ca) | 1987-02-05 |
Family
ID=11715811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP927280A Granted JPS56107695A (en) | 1980-01-31 | 1980-01-31 | Acoustic diaphragm and its preparation |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56107695A (ca) |
-
1980
- 1980-01-31 JP JP927280A patent/JPS56107695A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56107695A (en) | 1981-08-26 |
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