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US 2008/0187167 A1Published application
Driver for a speaker
AssigneeDk Signal Ltd.
InventorVu-Quang Dam
Life of this patent
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Abstract
A driver for a speaker including: an upper housing, a lower housing and a vibration device, wherein said upper housing combines with said lower housing to form a chamber therein. The vibration device is received in the chamber. The vibration device is basically constituted with an acoustic phase equalizer, a diaphragm, a flux guiding plate, a magnet and a yoke. By the design of the flux guiding plate, the magnet and the yoke in present invention, the disadvantage of highly concentrated heat in prior art can be improved and extends the operation period.
Claims6
A driver for a speaker, including:
- an upper housing and a lower housing, said upper housing combining with said lower housing to form a chamber therein;
- a vibration device being received in said chamber and said vibration device being constituted with an acoustic phase equalizer, a diaphragm, a flux guiding plate, a magnet and a yoke;
- said yoke providing a recess from top to bottom and said magnet and said flux guiding plate being placed in said recess in order;
- a flange extruding from the topside of said yoke with predetermined thickness;
- said yoke lodging in said lower housing and there being a hole provided on each center of the yoke, the magnet and the flux guiding plate, and those three holes communicating to each other.
2 more elements
Dependencies are inferred from the claim text.