Piezoelectric microphones
First Claim
Patent Images
1. An electronic device, comprising:
- a first microphone operative to receive audio signals from a first direction;
a second microphone operative to receive audio signals from a second direction; and
a controller operative to engage selectively the second microphone to receive ambient audio noise or to receive an audio input.
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Accused Products
Abstract
Electronic devices and microphone devices are described.
28 Citations
26 Claims
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1. An electronic device, comprising:
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a first microphone operative to receive audio signals from a first direction; a second microphone operative to receive audio signals from a second direction; and a controller operative to engage selectively the second microphone to receive ambient audio noise or to receive an audio input. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A microphone device, comprising:
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a first microphone disposed over a substrate and adapted to receive audio signals from a first direction; and a second microphone disposed over the substrate and adapted to receive audio signals from a second direction. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A microphone device, comprising:
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a first microphone comprising a first film bulk acoustic (FBA) device, wherein the first microphone is adapted to receive audio signals from a first direction; and a second microphone comprising a second FBA device, wherein the second microphone device is adapted to receive audio signals from a second direction. - View Dependent Claims (22, 23, 24, 25, 26)
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Specification