Conjoined Receiver and Microphone Assembly
First Claim
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1. A transducer assembly comprising:
- a first transducer, the first transducer having a first front volume, a first back volume and a first port acoustically coupled to the first front volume; and
a second transducer, the second transducer having a second front volume, a second back volume and second port acoustically coupled to the second front volume;
wherein, the first back volume and the second back volume are acoustically coupled to provide an enlarged back volume in comparison to either the first back volume or the second back volume, separately.
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Abstract
A transducer assembly may include a first transducer having a first front volume, a first back volume and a first port acoustically coupled to the first front volume; and a second transducer having a second front volume, a second back volume and second port acoustically coupled to the second front volume. The first front volume and the second front volume are acoustically coupled to increase the effective back volume of both the first transducer and the second transducer. An optional signal processing circuit may be used to control the output of the first transducer based upon a signal received from the second transducer.
25 Citations
18 Claims
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1. A transducer assembly comprising:
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a first transducer, the first transducer having a first front volume, a first back volume and a first port acoustically coupled to the first front volume; and
a second transducer, the second transducer having a second front volume, a second back volume and second port acoustically coupled to the second front volume;
wherein,the first back volume and the second back volume are acoustically coupled to provide an enlarged back volume in comparison to either the first back volume or the second back volume, separately. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A device comprising:
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a receiver, the receiver having a receiver housing defining a receiver front volume and a receiver back volume and an acoustic outlet port formed in the receiver housing and being coupled to the receiver front volume and a receiver electric terminal, the receiver being operable to generate an acoustic output signal from the outlet port responsive to an electrical input signal at the receiver electric terminal;
a microphone, the microphone having a microphone housing defining a microphone front volume and a microphone back volume and an acoustic inlet port formed in the microphone housing and being coupled to the receiver front volume and a microphone electric terminal, the microphone being operable to generate an electrical signal responsive at the electric terminal responsive to an acoustic input signal received at the inlet port; and
the receiver housing being formed with a receiver housing aperture acoustically coupled to the receiver back volume and the microphone housing being formed with a microphone housing aperture acoustically coupled to the microphone back volume and the receiver housing being coupled to the microphone housing such that the receiver back volume is acoustically coupled to the microphone back volume via the receiver aperture and the microphone aperture to provide an enlarged conjoined back volume in comparison to either the receiver back volume or the microphone back volume, separately. - View Dependent Claims (13, 14, 15, 16, 17, 18)
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Specification