JPS56147597A - Diaphragm plate for flat speaker - Google Patents
Diaphragm plate for flat speakerInfo
- Publication number
- JPS56147597A JPS56147597A JP5152780A JP5152780A JPS56147597A JP S56147597 A JPS56147597 A JP S56147597A JP 5152780 A JP5152780 A JP 5152780A JP 5152780 A JP5152780 A JP 5152780A JP S56147597 A JPS56147597 A JP S56147597A
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm plate
- cut
- beryllium
- honey
- aluminum
- 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
- H04R7/04—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)
Abstract
PURPOSE:To suppress the sectional oscillation without lowering the sound level, by providing other substance with the cut-off part which is the center of diaphragm plate. CONSTITUTION:The center of the diaphragm plate 2 of circular shape consisting of the honey-comb core 3 formed with material such as aluminum and beryllium and the surface material 4 such as aluminum, beryllium, synthetic resin and paper attached on the upper and lower surface of the honey-comb core 3, is cut off in concentric shape, and the material of different property 5 having small density, and suitable rigidity and inner loss, such as foaming sterol, foaming urethane and paper is filled in the cut-off part, so that it is incorporated as the same plane as the surface material 4.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5152780A JPS56147597A (en) | 1980-04-18 | 1980-04-18 | Diaphragm plate for flat speaker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5152780A JPS56147597A (en) | 1980-04-18 | 1980-04-18 | Diaphragm plate for flat speaker |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56147597A true JPS56147597A (en) | 1981-11-16 |
Family
ID=12889478
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5152780A Pending JPS56147597A (en) | 1980-04-18 | 1980-04-18 | Diaphragm plate for flat speaker |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56147597A (en) |
-
1980
- 1980-04-18 JP JP5152780A patent/JPS56147597A/en active Pending
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