Optically clear diaphragm for an acoustic transducer and method for making same
First Claim
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1. A device that converts a mechanical motion into acoustic energy, the device comprising:
- a multi-layer diaphragm, wherein at least one of the layers is a damping layer that is positioned between two other layers;
at least one support; and
at least one mechanical-to-acoustical transducer including a distal portion coupled to the diaphragm and a proximal portion coupled to the support, wherein movement of the transducer causes movement of the diaphragm in a direction that is generally transverse to the direction of the movement of the transducer.
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Abstract
The present disclosure relates to a diaphragm that may be used with a mechanical-to-acoustical transducer. The diaphragm may include a layer of optically clear film, a damping layer and another layer of optically clear film. The damping layer may be an adhesive. The diaphragm may also comprise two optically clear films, optionally including a damping layer, wherein the films indicate a desired coefficient of linear thermal expansion in one or both of the machine and transverse directions.
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Citations
24 Claims
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1. A device that converts a mechanical motion into acoustic energy, the device comprising:
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a multi-layer diaphragm, wherein at least one of the layers is a damping layer that is positioned between two other layers; at least one support; and at least one mechanical-to-acoustical transducer including a distal portion coupled to the diaphragm and a proximal portion coupled to the support, wherein movement of the transducer causes movement of the diaphragm in a direction that is generally transverse to the direction of the movement of the transducer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A device that converts a mechanical motion into acoustic energy, the device comprising:
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a curved multi-layer diaphragm, wherein at least one of the layers is a damping layer that is positioned between two other layers; at least one support; and at least one mechanical-to-acoustical transducer including a distal portion coupled to the diaphragm and a proximal portion coupled to the support, wherein movement of the transducer causes movement of the diaphragm in a direction that is generally transverse to the direction of the movement of the transducer. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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20. A device that converts a mechanical motion into acoustic energy, the device comprising:
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a multi-layer diaphragm, wherein at least one of the layers functions as both an adhesive and a damping layer that is positioned between two other layers; at least one support; and at least one mechanical-to-acoustical transducer including a distal portion coupled to the diaphragm and a proximal portion coupled to the support, wherein movement of the transducer causes movement of the diaphragm in a direction that is generally transverse to the direction of the movement of the transducer. - View Dependent Claims (21, 22, 23, 24)
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Specification