Vehicle accessory microphone
First Claim
Patent Images
1. A rearview mirror assembly for a vehicle, comprising:
- a mirror subassembly including a mirror housing and adapted to be attached to the vehicle;
a mirror mounted in said mirror housing;
a first microphone housing having at least one acoustic port and associated with said mirror subassembly;
a first transducer disposed in said first microphone housing and acoustically coupled to said acoustic port of said first microphone housing;
a first windscreen disposed across said acoustic port of said first microphone housing;
a second microphone housing having at least one acoustic port and associated with said mirror subassembly;
a second transducer disposed in said second microphone housing and acoustically coupled to said acoustic port of said second microphone housing; and
a second windscreen disposed across said acoustic port of said second microphone housing.
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Abstract
A microphone assembly includes one or more transducers positioned in a housing. Circuitry is coupled to the transducer for outputting an electrical signal such that the microphone has a main lobe directed forwardly and attenuates signals originating from the sides and/or rear. The transducers can advantageously include multiple transducers, which, with the circuit, produce a desired sensitivity pattern. The microphone assembly can be employed in a vehicle accessory.
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Citations
48 Claims
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1. A rearview mirror assembly for a vehicle, comprising:
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a mirror subassembly including a mirror housing and adapted to be attached to the vehicle;
a mirror mounted in said mirror housing;
a first microphone housing having at least one acoustic port and associated with said mirror subassembly;
a first transducer disposed in said first microphone housing and acoustically coupled to said acoustic port of said first microphone housing;
a first windscreen disposed across said acoustic port of said first microphone housing;
a second microphone housing having at least one acoustic port and associated with said mirror subassembly;
a second transducer disposed in said second microphone housing and acoustically coupled to said acoustic port of said second microphone housing; and
a second windscreen disposed across said acoustic port of said second microphone housing. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. An accessory for a vehicle, comprising:
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an accessory housing adapted for mounting to the vehicle;
a first microphone housing having at least one acoustic port and mounted on said accessory housing;
a first transducer disposed in said first microphone housing and acoustically coupled to said acoustic port of said first microphone housing;
a first windscreen disposed across said acoustic port of said first microphone housing;
a second microphone housing having at least one acoustic port and mounted on said accessory housing;
a second transducer disposed in said second microphone housing and acoustically coupled to said acoustic port of said second microphone housing; and
a second windscreen disposed across said acoustic port of said second microphone housing. - View Dependent Claims (20, 21, 22, 23, 24, 25)
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26. A microphone assembly comprising:
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a first housing having at least one acoustic port;
a first transducer disposed in said first housing and acoustically coupled to said acoustic port of said first housing;
a first windscreen disposed across said acoustic port of said first housing;
a second housing having at least one acoustic port;
a second transducer disposed in said second housing and acoustically coupled to said acoustic port of said second housing; and
a second windscreen disposed across said acoustic port of said second housing. - View Dependent Claims (27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48)
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Specification