Contact hearing systems, apparatus and methods
The present invention is directed to a hearing aid which includes a lateral ear canal assembly and a medial ear canal assembly. In embodiments of the invention the medial ear canal assembly may include smart circuitry adapted to control parameters and outputs of the medial ear canal assembly. In embodiments of the invention various methods and circuitry are described, wherein the methods and circuitry are adapted to improve the performance and efficiency of the hearing aid.
1. A smartlens system comprising:
a lateral ear canal assembly comprising a first transceiver including a first coil;
a medial ear canal assembly comprising a second transceiver including a second coil, wherein the first coil is adapted to inductively couple to the second coil;
a vibratory load connected to the second coil and adapted to vibrate in response to signals transmitted from the first coil to the second coil through inductive coupling, the vibratory load comprising a balanced armature transducer wherein the balanced armature transducer comprises a winding; and
a rectifying circuit connected between an output of the second coil and the vibratory load wherein the rectifying circuit comprises:
a diode having an input and an output, wherein the input is connected to the output of the second coil and the output is connected to the winding; and
a capacitor connected between the output of the diode and the second coil.
2. A smartlens system according to claim 1 , wherein the smartlens transmits a signal having a push-pull format.
3. A smartlens system according to claim 1 , wherein the smartlens transmits a signal having a zero crossing.
4. A smartlens system according to claim 1 , wherein the first and second coils are manufactured from conductive material.
5. A smartlens system according to claim 1 wherein the first and second coils are elongated coils.
6. A smartlens system according to claim 1 wherein the medial ear canal assembly includes a current sensor adapted to measure the current in the second coil.
7. A smartlens system according to claim 1 wherein the medial ear canal assembly includes a voltage sensor adapted to measure the voltage across the second coil.
8. A smartlens system according to claim 1 wherein the medal ear canal assembly includes power control circuitry connected between the second coil and the vibratory load.
9. A smartlens system according to claim 8 wherein the power control circuitry is further connected to an energy storage device.
10. A smartlens system according to claim 9 wherein the energy storage device is a capacitor.
11. A smartlens system according to claim 9 wherein the energy storage device is a rechargeable battery.
12. A smartlens system according to claim 1 wherein a transmission path between the first coil and the second coil comprises air.
13. A smartlens system according to claim 12 wherein the transmission path comprises a line of sight transmission path.
14. A smartlens system according to claim 12 wherein the transmission path comprises air in the ear canal of a user.
15. A smartlens system according to claim 1 wherein the lateral ear canal assembly is separated from the medial ear canal assembly by air in the ear canal of a user.
16. A smartlens system according to claim 1 wherein the first and second coils are stacked coils.
17. A smartlens according to claim 1 wherein the first and second coils comprise wound inductors.
18. A smartlens according to claim 1 wherein the first coil is wound around a first core and the second coil is wound around a second core.
19. A smartlens according to claim 18 wherein the first core comprises air.
20. A smartlens according to claim 19 wherein the first core has a substantially continuous diameter along at least a portion of the length of the first coil.
21. A smartlens according to claim 18 wherein the second core comprises air.
22. A smartlens according to claim 21 wherein the second core has a substantially continuous diameter along at least a portion of the length of the second coil.
23. A smartlens according to claim 1 wherein the vibratory load is a transducer.
24. A smartlens according to claim 23 wherein the transducer is a balanced armature transducer.