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US 7,480,209 B2Granted
Submersible loudspeaker assembly
AssigneeHarris Corporation
InventorsTimothy James Giles, Michael David Stevens
Life of this patent
Estimating the term…
Abstract
A submersible loudspeaker assembly is provided. The loudspeaker assembly includes: a housing; a loudspeaker enclosed within the housing; an external diaphragm disposed adjacent to the loudspeaker. The external diaphragm is acoustically transparent when subject to ambient air pressure, but configured to flex towards the loudspeaker when submerged in water.
Claims15
A submersible loudspeaker assembly, comprising:
- a loudspeaker having a diaphragm for emitting sound;
- a housing encasing at least the diaphragm of the loudspeaker;
- and
- an external diaphragm encloses a recessed portion of the housing in an external surface thereof adjacent to the loudspeaker and is fixed to the housing along a periphery of the external diaphragm, wherein the external diaphragm within the periphery is in spaced relation to the housing but configured to flex towards the loudspeaker and engage an external surface of the housing when subject to pressure which exceeds a defined threshold.
1 more element
A submersible loudspeaker assembly, comprising:
- a housing;
- a loudspeaker enclosed within the housing, the housing having a recessed portion formed in an external surface thereof adjacent to the loudspeaker;
- an external diaphragm disposed adjacent to the loudspeaker and enclosing the recessed portion of the housing, the external diaphragm engaging the housing along a periphery of the external diaphragm and in spaced relation with the housing within the periphery of the external diaphragm;
- wherein the external diaphragm is acoustically transparent when subject to ambient air pressure and configured to flex towards the loudspeaker and engage an external surface of the housing when subject to pressure which substantially exceeds ambient air pressure.
1 more element
A radio, comprising:
- a housing;
- a loudspeaker encased in the housing, the housing having a recessed portion formed in an external surface thereof adjacent to the loudspeaker and a plurality of holes formed in the recessed portion of the housing;
- and
- an external diaphragm enclosing the recessed portion of the housing and in spaced relation to the external surface of the housing, thereby allowing the external diaphragm to vibrate.
1 more element
Dependencies are inferred from the claim text.