Transparent parametric transducer and related methods
First Claim
Patent Images
1. An ultrasonic audio speaker, comprising:
- an emitter, the emitter comprising;
a first transparent conductive sheet;
a second transparent conductive sheet; and
a driver circuit having two inputs configured to be coupled to receive an audio modulated ultrasonic carrier signal from an amplifier and two outputs, wherein a first output is coupled to a conductive region of the first transparent conductive sheet and the second output is coupled to a conductive region of the second transparent conductive sheet.
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Abstract
A transparent ultrasonic audio speaker includes an emitter and a driver. The emitter can include first and second transparent conductive sheets. The conductive sheets can comprise a base layer and a conductive layer, and can be transparent. The transparent ultrasonic audio speaker can be configured to be positioned on or in place of the display screen of a content device.
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Citations
26 Claims
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1. An ultrasonic audio speaker, comprising:
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an emitter, the emitter comprising; a first transparent conductive sheet; a second transparent conductive sheet; and a driver circuit having two inputs configured to be coupled to receive an audio modulated ultrasonic carrier signal from an amplifier and two outputs, wherein a first output is coupled to a conductive region of the first transparent conductive sheet and the second output is coupled to a conductive region of the second transparent conductive sheet. - View Dependent Claims (15, 16, 17, 18)
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2. An ultrasonic audio speaker, comprising:
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an emitter, the emitter comprising; a first transparent conductive sheet; and a second transparent conductive sheet; wherein the first transparent conductive sheet comprises a glass sheet having a base layer and a conductive layer. - View Dependent Claims (3, 4, 5, 6, 7)
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8. An ultrasonic audio speaker, comprising:
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an emitter, the emitter comprising; a first transparent conductive sheet; and a second transparent conductive sheet; wherein the first transparent conductive sheet comprises a first glass sheet with a first conductive layer, and the second transparent conductive sheet comprises a second glass sheet with a second conductive layer. - View Dependent Claims (9, 10, 11)
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12. An ultrasonic audio speaker, comprising:
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an emitter, the emitter comprising; a first transparent conductive sheet; and a second transparent conductive sheet; wherein the first and second transparent conductive sheets comprise, respectively, a first and second sheet of conductive glass, wherein each of the first and second sheets of conductive glass comprise a conductive region.
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13. An ultrasonic audio speaker, comprising:
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an emitter, the emitter comprising; a first transparent conductive sheet; and a second transparent conductive sheet; wherein the first and second transparent conductive sheets each have a transmittance of greater than 90% in the visible spectrum.
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14. An ultrasonic audio speaker, comprising:
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an emitter, the emitter comprising; a first transparent conductive sheet; and a second transparent conductive sheet; wherein the first transparent conductive sheet is in the range of .20-.30 mil in thickness and the second transparent conductive sheet is in the range of 15-25 mils in thickness.
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19. An electronic content device, comprising:
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a power supply; a content engine coupled to receive power from the power supply and to generate electrical signals representing audio content and electrical signals representing display content; a display coupled to the content engine and configured to receive the electrical signals representing display content and to generate a visual representation of the display content; a transparent ultrasonic carrier audio emitter disposed on the display, the emitter comprising; a first transparent conductive sheet; a second transparent conductive sheet; and a transparent insulating layer disposed between the first and second conductive layer, wherein the first and second transparent conductive sheets are disposed in touching relation to the insulating layer; an amplifier coupled to receive the electrical signals representing audio content; and a driver circuit having two inputs configured to be coupled to receive the audio content modulated onto an ultrasonic carrier signal from the amplifier, and two outputs, wherein a first output is coupled to the first transparent conductive sheet and the second output is coupled to the second transparent conductive sheet. - View Dependent Claims (20, 21, 22, 23)
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24. A transparent ultrasonic emitter configured to emit an audio-modulated ultrasonic carrier signal.
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25. A smartphone, comprising:
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a power supply; a content engine coupled to receive power from the power supply and to generate electrical signals representing audio content and electrical signals representing display content; a display coupled to the content engine and configured to receive the electrical signals representing display content and to generate a visual representation of the display content; a transparent ultrasonic carrier audio emitter disposed on the display, the emitter comprising; a first transparent conductive sheet; and a second transparent conductive sheet; an amplifier coupled to receive the electrical signals representing audio content; and a driver circuit having two inputs configured to be coupled to receive the audio content modulated onto an ultrasonic carrier signal from the amplifier, and two outputs, wherein a first output is coupled to the first transparent conductive sheet and the second output is coupled to the second transparent conductive sheet.
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26. A television, comprising:
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a power supply; a content engine coupled to receive power from the power supply and to generate electrical signals representing audio content and electrical signals representing display content; a display coupled to the content engine and configured to receive the electrical signals representing display content and to generate a visual representation of the display content; a transparent ultrasonic carrier audio emitter disposed on the display, the emitter comprising; a first transparent conductive sheet; and a second transparent conductive sheet; an amplifier coupled to receive the electrical signals representing audio content; and a driver circuit having two inputs configured to be coupled to receive the audio content modulated onto an ultrasonic carrier signal from the amplifier, and two outputs, wherein a first output is coupled to the first transparent conductive sheet and the second output is coupled to the second transparent conductive sheet.
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Specification