OPTICALLY CLEAR DIAPHRAGM FOR AN ACOUSTIC TRANSDUCER AND METHOD FOR MAKING SAME
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Accused Products
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
90 Claims
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1-70. -70. (canceled)
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71. 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 piezoelectric 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 (72, 73, 74, 75)
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76. 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; drive electronics; 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 (77, 78, 79, 80)
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81. A device that converts a mechanical motion into acoustic energy, the device comprising:
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a diaphragm comprising a composite elastic modulus of equal to or greater than 2.0 GPa; 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 (82, 83, 84, 85)
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86. A device that converts a mechanical motion into acoustic energy, the device comprising:
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a diaphragm; an outer coating on the diaphragm; 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 (87, 88, 89, 90)
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Specification