JPS52119220A - Diaphragm for speakers - Google Patents
Diaphragm for speakersInfo
- Publication number
- JPS52119220A JPS52119220A JP3536276A JP3536276A JPS52119220A JP S52119220 A JPS52119220 A JP S52119220A JP 3536276 A JP3536276 A JP 3536276A JP 3536276 A JP3536276 A JP 3536276A JP S52119220 A JPS52119220 A JP S52119220A
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- speakers
- lightweight
- core
- metal
- 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.)
- Granted
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)
- Laminated Bodies (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
PURPOSE:To obtain a lightweight and highly rigid diaphragm by laminating hollow balls, as a core, between thin boards of metal, etc.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3536276A JPS52119220A (en) | 1976-03-31 | 1976-03-31 | Diaphragm for speakers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3536276A JPS52119220A (en) | 1976-03-31 | 1976-03-31 | Diaphragm for speakers |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS52119220A true JPS52119220A (en) | 1977-10-06 |
JPS5756839B2 JPS5756839B2 (en) | 1982-12-01 |
Family
ID=12439768
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3536276A Granted JPS52119220A (en) | 1976-03-31 | 1976-03-31 | Diaphragm for speakers |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52119220A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5343931U (en) * | 1976-09-18 | 1978-04-14 | ||
CN107215037A (en) * | 2017-07-03 | 2017-09-29 | 燕山大学 | A kind of preparation method of metal hollow ball cell structure sandwich plate |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52108113U (en) * | 1976-02-13 | 1977-08-17 |
-
1976
- 1976-03-31 JP JP3536276A patent/JPS52119220A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52108113U (en) * | 1976-02-13 | 1977-08-17 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5343931U (en) * | 1976-09-18 | 1978-04-14 | ||
CN107215037A (en) * | 2017-07-03 | 2017-09-29 | 燕山大学 | A kind of preparation method of metal hollow ball cell structure sandwich plate |
Also Published As
Publication number | Publication date |
---|---|
JPS5756839B2 (en) | 1982-12-01 |
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