Apparatus and method for noise cancellation in communication headset using dual-coil speaker
First Claim
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1. A device for canceling noise, comprising:
- a first speaker coil for receiving a communication signal;
a second speaker coil for receiving an active noise cancellation signal, each of the first and second speaker coils co-acting with a magnetic field for causing a diaphragm to move responsive to each of the communication signal and the active noise cancellation signal.
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Abstract
A communication headset is disclosed that includes a speaker assembly. The speaker assembly includes at least a first speaker coil and a second speaker coil. One speaker coil is for receiving a communication signal, and another speaker coil is for receiving an active noise cancellation signal. Each of the speaker coils co-acts with a magnetic field for causing a diaphragm to move responsive to the communication signal and the active noise cancellation signal individually or simultaneously.
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Citations
43 Claims
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1. A device for canceling noise, comprising:
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a first speaker coil for receiving a communication signal;
a second speaker coil for receiving an active noise cancellation signal, each of the first and second speaker coils co-acting with a magnetic field for causing a diaphragm to move responsive to each of the communication signal and the active noise cancellation signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A speaker for noise cancellation, comprising:
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a first speaker coil for receiving a communication signal, the first speaker coil being coupled to a diaphragm;
a second speaker coil for receiving an active noise cancellation signal, the second speaker coil being coupled to the diaphragm;
a magnet being positioned such that a magnetic field extends through the first and second speaker coils. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31)
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32. A communication headset including a speaker assembly, said speaker assembly comprising:
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a first speaker coil for receiving a communication signal; and
a second speaker coil for receiving an active noise cancellation signal, each of the first and second speaker coils co-acting with a magnetic field for causing a diaphragm to move responsive to each of the communication signal and the active noise cancellation signal. - View Dependent Claims (33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43)
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Specification