Inventor
WURTZ MIKE
US4 patents
Patents
4 patentsUS9980034B2May 22, 2018
Headphone off-ear detection
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US10448140B2Oct 15, 2019
Headphone off-ear detection
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US10200776B2Feb 5, 2019
Headphone off-ear detection
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US10182160B2Jan 15, 2019
Speakerphone system or speakerphone accessory with on-cable microphone
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