JPS5568798A - Full surface driving type electricity-sound converter - Google Patents
Full surface driving type electricity-sound converterInfo
- Publication number
- JPS5568798A JPS5568798A JP14222878A JP14222878A JPS5568798A JP S5568798 A JPS5568798 A JP S5568798A JP 14222878 A JP14222878 A JP 14222878A JP 14222878 A JP14222878 A JP 14222878A JP S5568798 A JPS5568798 A JP S5568798A
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- shaped
- magnetic flux
- pole
- increase
- 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
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil
- H04R9/046—Construction
- H04R9/047—Construction in which the windings of the moving coil lay in the same plane
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
PURPOSE:To increase the conversion efficiency by narrowing the magnetic space for the speaker or the like through formation of the V-shaped or adverse V-shaped diaphragm and thus applying the magnetic flux vertically to each piece of the diaphragm to increase the density of the magnetic flux. CONSTITUTION:Diaphragm 5 featuring the V-shaped cross-section is located along V-shaped concavity part 4a formed on the upper surface of pole 4 with a small space secured as the vent hole. At the same time, component pieces 5a and 5b of diaphragm 5 form the going and coming-back paths of the current, and spacer 6 supporting diaphragm 5 is supported by yoke 2. A number of slits 7a are drilled to V-shaped plate 7 provided on the upper surface of diaphragm 5 to make the sound pass through. Accordingly, the magnetic flux given from magnet 3 passes through vertically to diaphragm 5 from plate 7 to pole 4. And when the current flows to pieces 5a and 5b, diaphragm 5 vibrates in the direction of the compound force of the driving force. Then the sound wave is radiated through slit 7a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14222878A JPS5568798A (en) | 1978-11-20 | 1978-11-20 | Full surface driving type electricity-sound converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14222878A JPS5568798A (en) | 1978-11-20 | 1978-11-20 | Full surface driving type electricity-sound converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5568798A true JPS5568798A (en) | 1980-05-23 |
Family
ID=15310388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14222878A Pending JPS5568798A (en) | 1978-11-20 | 1978-11-20 | Full surface driving type electricity-sound converter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5568798A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1686832A1 (en) * | 2005-01-26 | 2006-08-02 | Harman Becker Automotive Systems GmbH | Electroacoustic transducer |
| JP2007288641A (en) * | 2006-04-19 | 2007-11-01 | Pioneer Electronic Corp | Speaker system |
| EP1881732A1 (en) * | 2006-06-21 | 2008-01-23 | Harman/Becker Automotive Systems GmbH | Magnetic membrane suspension |
| JP2008177861A (en) * | 2007-01-18 | 2008-07-31 | Mitsubishi Electric Engineering Co Ltd | Speaker unit |
-
1978
- 1978-11-20 JP JP14222878A patent/JPS5568798A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1686832A1 (en) * | 2005-01-26 | 2006-08-02 | Harman Becker Automotive Systems GmbH | Electroacoustic transducer |
| US7940952B2 (en) | 2005-01-26 | 2011-05-10 | Harman Becker Automotive Systems Gmbh | Electro-acoustic transducer |
| JP2007288641A (en) * | 2006-04-19 | 2007-11-01 | Pioneer Electronic Corp | Speaker system |
| EP1881732A1 (en) * | 2006-06-21 | 2008-01-23 | Harman/Becker Automotive Systems GmbH | Magnetic membrane suspension |
| US7940953B2 (en) | 2006-06-21 | 2011-05-10 | Harman Becker Automotive Systems Gmbh | Magnetic membrane suspension |
| JP2008177861A (en) * | 2007-01-18 | 2008-07-31 | Mitsubishi Electric Engineering Co Ltd | Speaker unit |
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