JPS5414723A - Acoustic diaphragm - Google Patents
Acoustic diaphragmInfo
- Publication number
- JPS5414723A JPS5414723A JP7984677A JP7984677A JPS5414723A JP S5414723 A JPS5414723 A JP S5414723A JP 7984677 A JP7984677 A JP 7984677A JP 7984677 A JP7984677 A JP 7984677A JP S5414723 A JPS5414723 A JP S5414723A
- Authority
- JP
- Japan
- Prior art keywords
- acoustic diaphragm
- diaphragm
- impairing
- rigidity
- foamed resin
- 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.)
- Pending
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
- H04R7/12—Non-planar diaphragms or cones
- H04R7/122—Non-planar diaphragms or cones comprising a plurality of sections or layers
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
PURPOSE:To obtain a solid diaphragm of an electric transducer of small mass without impairing the rigidity of the diaphragm by forming cavities within foamed resin.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7984677A JPS5414723A (en) | 1977-07-06 | 1977-07-06 | Acoustic diaphragm |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7984677A JPS5414723A (en) | 1977-07-06 | 1977-07-06 | Acoustic diaphragm |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5414723A true JPS5414723A (en) | 1979-02-03 |
Family
ID=13701556
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7984677A Pending JPS5414723A (en) | 1977-07-06 | 1977-07-06 | Acoustic diaphragm |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5414723A (en) |
-
1977
- 1977-07-06 JP JP7984677A patent/JPS5414723A/en active Pending
Similar Documents
Publication | Publication Date | Title |
---|---|---|
HK62684A (en) | Diaphragms for electroacoustic transducers | |
CA1013463A (en) | Replaceable acoustic transducer assembly | |
GB2031691B (en) | Electroacoustic transducer diaphragms | |
AU2877377A (en) | An Electroacoustic Transducer | |
JPS5388718A (en) | Sealed head phone | |
JPS5222492A (en) | Acoustic transducer | |
GB1549902A (en) | Electrodynamic acoustic transducer | |
JPS5388719A (en) | Head phone | |
JPS5414723A (en) | Acoustic diaphragm | |
JPS54670A (en) | Alarm wrista watch | |
JPS5414722A (en) | Acoustic diaphragm | |
JPS5219905A (en) | Acousticon | |
JPS523424A (en) | Non-combustible speaker vibration plate | |
JPS5451520A (en) | Diaphragm for electric sound transducer | |
JPS53111716A (en) | Microphone of piezoelectric type | |
GB2014017A (en) | Electro-magnetic acoustic transducer | |
JPS5223287A (en) | Electronic chime | |
JPS52113723A (en) | Electroacoustic transducer vibrator plate | |
JPS5323618A (en) | Electrostatic type transducer | |
JPS5390919A (en) | Microphone devcice | |
JPS539517A (en) | Electrostatic type transducer | |
JPS5418723A (en) | Plane acoustic transducer | |
JPS5418722A (en) | Plane acoustic transducer | |
JPS5417828A (en) | Headphone device | |
JPS52122121A (en) | Production of electro-acoustic transducer |