Playback devices having waveguides with drainage features
First Claim
Patent Images
1. A playback device comprising:
- an acoustic waveguide having a bounding surface, the bounding surface delimiting a plurality of openings;
one or more drainage outlets; and
a drainage channel extending from each of the plurality of openings and arranged to direct liquid from inside the waveguide toward at least one of the one or more drainage outlets.
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Abstract
A playback device comprises an acoustic waveguide having a bounding surface, the bounding surface delimiting an opening. A drainage channel extends from the opening and is arranged to direct liquid from inside the waveguide toward a drainage outlet.
38 Citations
19 Claims
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1. A playback device comprising:
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an acoustic waveguide having a bounding surface, the bounding surface delimiting a plurality of openings; one or more drainage outlets; and a drainage channel extending from each of the plurality of openings and arranged to direct liquid from inside the waveguide toward at least one of the one or more drainage outlets. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A method of manufacturing a playback device, comprising:
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forming a first portion defining a lower bounding surface of a waveguide, the lower bounding surface delimiting a plurality of openings of a drainage channel extending from each of the plurality of openings and arranged to direct liquid from inside the waveguide toward at least one of a plurality of drainage outlets; forming a second portion defining at least part of an interior channel; and joining the second portion to the first portion, such that the drainage channel is in fluid communication with the interior channel. - View Dependent Claims (17, 18)
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19. A playback device comprising:
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an electroacoustic transducer; an acoustic waveguide in fluid communication with the electroacoustic transducer, a lower bounding surface of the acoustic waveguide having an undulating shape, the lower bounding surface delimiting a plurality of openings located at local minima of the undulating shape; respective drainage channels extending from each of the plurality of openings; wherein the respective drainage channels are arranged to direct liquid from inside the waveguide toward a drainage outlet.
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Specification