JPS52120821A - Vibrating plate for acoustic apparatus and preparation thereof - Google Patents
Vibrating plate for acoustic apparatus and preparation thereofInfo
- Publication number
- JPS52120821A JPS52120821A JP3747076A JP3747076A JPS52120821A JP S52120821 A JPS52120821 A JP S52120821A JP 3747076 A JP3747076 A JP 3747076A JP 3747076 A JP3747076 A JP 3747076A JP S52120821 A JPS52120821 A JP S52120821A
- Authority
- JP
- Japan
- Prior art keywords
- vibrating plate
- acoustic apparatus
- preparation
- sound
- same time
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
PURPOSE:To provide a vibrating plate for acoustic apparatus, in which a layer of Be as principal component is formed and at the same time a certain direction of crystal axis of Be is selected as preference direction to thereby accelerate propagation speed of sound through vibrating plate and obtain high-fidelity sound.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3747076A JPS52120821A (en) | 1976-04-03 | 1976-04-03 | Vibrating plate for acoustic apparatus and preparation thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3747076A JPS52120821A (en) | 1976-04-03 | 1976-04-03 | Vibrating plate for acoustic apparatus and preparation thereof |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP843380A Division JPS5816839B2 (en) | 1980-01-28 | 1980-01-28 | Manufacturing method of diaphragm for audio equipment |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS52120821A true JPS52120821A (en) | 1977-10-11 |
JPS5544513B2 JPS5544513B2 (en) | 1980-11-12 |
Family
ID=12498405
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3747076A Granted JPS52120821A (en) | 1976-04-03 | 1976-04-03 | Vibrating plate for acoustic apparatus and preparation thereof |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52120821A (en) |
-
1976
- 1976-04-03 JP JP3747076A patent/JPS52120821A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5544513B2 (en) | 1980-11-12 |
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