Acoustic waveguide and computing devices using same
First Claim
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1. A computing device comprising:
- an enclosure comprising;
a top portion comprising an interior surface; and
microphone openings formed through the top portion and the interior surface;
a microphone spaced apart from the interior surface of the enclosure, the microphone obliquely angled relative to the interior surface of the top portion of the enclosure; and
an acoustic waveguide, distinct from, disposed between, and coupled the microphone and the interior surface of the enclosure, the acoustic waveguide comprising;
a first surface having an inlet, the first surface coupled to the interior surface of the top portion of the enclosure;
a second surface having an outlet coupled to the microphone, the second surface spaced apart and angled relative to the interior surface of the top portion of the enclosure; and
a passage therethrough for allowing acoustic energy to be transmitted through a body of the acoustic waveguide from the inlet of the first surface to the outlet of the second surface.
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Abstract
Computing devices and microphone assemblies including acoustic waveguides are described. According to some examples, a computing device may include an enclosure, a microphone which may be spaced apart and angled relative to the interior surface of the enclosure to which the microphone may be coupled. The computing device may further include an acoustic waveguide disposed between the microphone and the interior surface of the enclosure, the acoustic waveguide having a passage for allowing acoustic energy to be transmitted from a microphone opening in the enclosure to the receiving element of the microphone (also referred to as sensing element, or microphone sensor).
63 Citations
20 Claims
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1. A computing device comprising:
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an enclosure comprising; a top portion comprising an interior surface; and microphone openings formed through the top portion and the interior surface; a microphone spaced apart from the interior surface of the enclosure, the microphone obliquely angled relative to the interior surface of the top portion of the enclosure; and an acoustic waveguide, distinct from, disposed between, and coupled the microphone and the interior surface of the enclosure, the acoustic waveguide comprising; a first surface having an inlet, the first surface coupled to the interior surface of the top portion of the enclosure; a second surface having an outlet coupled to the microphone, the second surface spaced apart and angled relative to the interior surface of the top portion of the enclosure; and a passage therethrough for allowing acoustic energy to be transmitted through a body of the acoustic waveguide from the inlet of the first surface to the outlet of the second surface. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A microphone assembly comprising:
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a waveguide body positioned adjacent microphone openings formed through an interior surface of an enclosure for a computing device, the waveguide body comprising; a first surface including an inlet, the first surface coupled to the interior surface of the enclosure; a second surface including an outlet positioned opposite the first surface, the second surface spaced apart and obliquely angled relative to the interior surface of the enclosure; and a linear passage connecting the inlet and the outlet, the linear passage obliquely angled relative to the interior surface of the enclosure; and a microphone body coupled to the second surface of the waveguide body, the microphone body obliquely angled relative to the interior surface of the enclosure;
whereinthe passage of the waveguide body transmits acoustic energy to the microphone body through the acoustic waveguide; and
whereinthe oblique angle of the passage is distinct from the oblique angle of the microphone body. - View Dependent Claims (13, 14, 15)
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16. A method of mounting a microphone to an enclosure of a computing device, the method comprising:
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adhering an acoustic waveguide to an interior surface of the enclosure including microphone opens formed therein, the acoustic waveguide comprising; a first surface including an inlet, the first surface coupled to the interior surface of the enclosure; a second surface including an outlet, the second surface spaced apart and angled relative to the interior surface of the enclosure; and a passage connecting the inlet and the outlet for transmitting acoustic energy through the acoustic waveguide, the passage obliquely angled relative to the interior surface of the enclosure ; and adhering a microphone to the second surface of the acoustic waveguide, the microphone obliquely angled relative to the interior surface of the enclosure. - View Dependent Claims (17, 18, 19, 20)
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Specification