JPH0237759B2 - - Google Patents
Info
- Publication number
- JPH0237759B2 JPH0237759B2 JP56057994A JP5799481A JPH0237759B2 JP H0237759 B2 JPH0237759 B2 JP H0237759B2 JP 56057994 A JP56057994 A JP 56057994A JP 5799481 A JP5799481 A JP 5799481A JP H0237759 B2 JPH0237759 B2 JP H0237759B2
- Authority
- JP
- Japan
- Prior art keywords
- speaker diaphragm
- flat plate
- foam
- core
- plate member
- 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
- 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 |
---|---|---|---|
JP5799481A JPS57173297A (en) | 1981-04-17 | 1981-04-17 | Speaker diaphragm and its manufacture |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5799481A JPS57173297A (en) | 1981-04-17 | 1981-04-17 | Speaker diaphragm and its manufacture |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57173297A JPS57173297A (en) | 1982-10-25 |
JPH0237759B2 true JPH0237759B2 (enrdf_load_stackoverflow) | 1990-08-27 |
Family
ID=13071552
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5799481A Granted JPS57173297A (en) | 1981-04-17 | 1981-04-17 | Speaker diaphragm and its manufacture |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57173297A (enrdf_load_stackoverflow) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6057796B2 (ja) * | 1978-04-06 | 1985-12-17 | 松下電器産業株式会社 | スピ−カ用振動板 |
-
1981
- 1981-04-17 JP JP5799481A patent/JPS57173297A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS57173297A (en) | 1982-10-25 |
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