JPS51140620A - Dome-cone shape vibration plate - Google Patents
Dome-cone shape vibration plateInfo
- Publication number
- JPS51140620A JPS51140620A JP6505575A JP6505575A JPS51140620A JP S51140620 A JPS51140620 A JP S51140620A JP 6505575 A JP6505575 A JP 6505575A JP 6505575 A JP6505575 A JP 6505575A JP S51140620 A JPS51140620 A JP S51140620A
- Authority
- JP
- Japan
- Prior art keywords
- dome
- vibration plate
- cone shape
- shape vibration
- alow
- 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
- H04R7/127—Non-planar diaphragms or cones dome-shaped
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
PURPOSE:To increase compliance of a dome-shaped vibration plate and lower its threshold frequency in alow frequency range.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6505575A JPS51140620A (en) | 1975-05-29 | 1975-05-29 | Dome-cone shape vibration plate |
US05/648,306 US4058688A (en) | 1975-05-27 | 1976-01-12 | Headphone |
GB1233/76A GB1504065A (en) | 1975-05-27 | 1976-01-13 | Headphone |
DE2602128A DE2602128C3 (en) | 1975-05-27 | 1976-01-21 | headphones |
CA244,042A CA1047943A (en) | 1975-05-27 | 1976-01-22 | Head phone |
FR7601829A FR2312908A1 (en) | 1975-05-27 | 1976-01-23 | HEADPHONES |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6505575A JPS51140620A (en) | 1975-05-29 | 1975-05-29 | Dome-cone shape vibration plate |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS51140620A true JPS51140620A (en) | 1976-12-03 |
Family
ID=13275872
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6505575A Pending JPS51140620A (en) | 1975-05-27 | 1975-05-29 | Dome-cone shape vibration plate |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS51140620A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5893092U (en) * | 1981-12-17 | 1983-06-23 | 三洋電機株式会社 | speaker diaphragm |
-
1975
- 1975-05-29 JP JP6505575A patent/JPS51140620A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5893092U (en) * | 1981-12-17 | 1983-06-23 | 三洋電機株式会社 | speaker diaphragm |
JPS6327519Y2 (en) * | 1981-12-17 | 1988-07-25 |
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