Dust protection apparatus for flat loudspeakers
First Claim
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1. A system including a flat loudspeaker including at least one microspeaker array and a dust protection cover apparatus, the dust protection cover apparatus comprising:
- a cover member including an airtight sound-pressure wave transparent thin polymer film,wherein the thickness of the film is between 0.1 microns and 10 microns thick so that it cannot absorb energy and transmits sound at frequencies from 20 Hz to 100 kHz and the film covers substantially the whole area of the at least one microspeaker array.
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Abstract
A method for fabricating flat loudspeakers comprising manufacturing a flat loudspeaker including at least one microspeaker array, having first and second main surfaces; and covering at least one of the main surfaces of the loudspeaker with a cover member including an airtight sound-pressure wave transparent thin polymer film.
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Citations
27 Claims
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1. A system including a flat loudspeaker including at least one microspeaker array and a dust protection cover apparatus, the dust protection cover apparatus comprising:
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a cover member including an airtight sound-pressure wave transparent thin polymer film, wherein the thickness of the film is between 0.1 microns and 10 microns thick so that it cannot absorb energy and transmits sound at frequencies from 20 Hz to 100 kHz and the film covers substantially the whole area of the at least one microspeaker array. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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Specification