Patent ID: 9049528
Filing Date: 2015-06-02
Classification: H04R

Abstract:
1. A device to transmit an audio signal to a user, the user having an ear comprising an eardrum and an ear canal, the device comprising: at least one light source configured to emit a light output signal with at least one wavelength of light; at least one detector configured to receive the at least one wavelength of light, wherein the at least one detector is configured to receive the light output signal and convert the light output signal into electrical energy; circuitry coupled to the at least one light source to provide the light output signal, wherein the circuitry is configured to determine a positive electrical signal in response to a negative component of an audio signal, the circuitry configured to drive the at least one light source with the positive electrical signal in order to transmit the audio signals; and at least one transducer electrically coupled to the at least one detector, the at least one transducer configured to vibrate the eardrum in response to the at least one wavelength, wherein the at least one transducer is configured to couple to the eardrum from the ear canal and drive the eardrum with the electrical energy such that the at least one detector is capable of driving the at least one transducer in response to the at least one wavelength without active circuitry.