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US20090028376 |
Diaphragm for loudspeaker and loudspeaker
A diaphragm body (12) is provided with a plurality of slits (14, 14a) extending from the central part thereof toward the outer circumference. The slits (14, 14a) are filled with a low-elasticity... |
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US20070023229 |
DIAPHRAGM FOR MICRO-ELECTROACOUSTIC DEVICE
A diaphragm for a micro-electroacoustic transducer, includes a first layer including an exposed region and a covered region, and a second layer. The second layer overlaps the covered region of the... |
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US20120281861 |
VIBRATION DIAPHRAGM AND SPEAKER WITH A VIBRATION DIAPHRAGM
A vibration diaphragm for a speaker has a spherical bowl section, an annular intervening section and an annular outer section. The spherical bowl section has a top and a spherical cavity defined... |
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US20120321124 |
DIAPHRAGM AND MICRO-ELECTROACOUSTIC DEVICE INCORPORATING THE SAME
An exemplary diaphragm includes a central portion and an external portion connecting the central portion. The central portion includes a central section in a center thereof, a peripheral section... |
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US20100310112 |
DIAPHRAGM AND MICRO-ELECTROACOUSTIC DEVICE INCORPORATING THE SAME
A diaphragm includes a central portion in a center of the diaphragm, a pleat portion surrounding the central portion and a flange surrounding the pleat portion. A plurality of pleats are defined... |
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US20100092011 |
MEMBRANE FOR AN ELECTROACOUSTIC TRANSDUCER AND ACOUSTIC DEVICE
A membrane for an electroacoustic transducer is disclosed, wherein said membrane (201) comprises a rigid membrane portion (202) having an edge (203); a flexible membrane portion (204) being... |
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US20160050496 |
DIAPHRAGM HAVING IMPROVED SURROUND STRUCTURE
A diaphragm is formed of a central portion and a surround encircling and connected with the central portion. The surround is provided with an arc-shaped section and includes a concavity. An... |
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US20060196723 |
Balloon speaker asembly
A balloon speaker assembly has a magnet and coil adjacent thereto connected with electrical signal input, and a supporting structure. |