Hands-free Active Noise Canceling Device
First Claim
1. A compact active noise cancellation device comprising a hollow housing having a closed end and a wide-open end whereby said wide-open end is adapted to be positioned over a user'"'"'s mouth area, said housing further comprising a loudspeaker that outputs a sound wave that is opposite in phase of said user'"'"'s voice thereby canceling a sound wave inside said housing.
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Accused Products
Abstract
An invention for eliminating the noise generated by a user speaking into a microphonic instrument is disclosed herein. In a first embodiment, the invention comprises a soundproofed housing arranged to cover a user'"'"'s mouth region and a loudspeaker that outputs a processed sound wave having a phase that is opposite of the user'"'"'s voice thereby canceling out the user'"'"'s voice that was confined inside the housing. In a second embodiment, the invention comprises a soundproofed housing arranged to enclose a user'"'"'s mouth area, a microphone to capture the user'"'"'s speech, and a loudspeaker that outputs a processed sound wave having a phase that is opposite of the user'"'"'s voice thereby canceling out the user'"'"'s voice that was confined inside the housing.
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Citations
24 Claims
- 1. A compact active noise cancellation device comprising a hollow housing having a closed end and a wide-open end whereby said wide-open end is adapted to be positioned over a user'"'"'s mouth area, said housing further comprising a loudspeaker that outputs a sound wave that is opposite in phase of said user'"'"'s voice thereby canceling a sound wave inside said housing.
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10. A compact active noise cancellation device for use in a helmet arrangement comprising a hollow housing having a closed end and a wide-open end whereby said wide-open end is adapted to be positioned over a user'"'"'s mouth area, said housing further comprising:
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a loudspeaker; a helmet'"'"'s chin cup assembly further comprising a chin cup component and a strap arrangement; and a support structure having one end that can be pivotally mounted onto said chin cup component and the other end fixed to said housing. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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18. A compact active noise cancellation device for use in a headset arrangement comprising a hollow housing having a closed end and a wide-open end whereby said wide-open end is adapted to be positioned over a user'"'"'s mouth area, said housing further comprising:
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a loudspeaker; a headset assembly further comprising a headband component and a boom unit; and a support structure having one end that can be pivotally attached onto said boom and the other end fixed to said housing. - View Dependent Claims (19, 20, 21, 22, 23, 24)
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Specification