Acoustic output device with antenna
A hearing device is provided. The hearing device comprises a first portion configured to be arranged at a head of a user and to provide a signal to a second portion.
1. A hearing aid device comprising:
a housing configured to be worn behind an ear of a recipient,
at least one signal processor positioned in the housing,
an in-the-ear speaker configured to be worn in an ear canal of the recipient,
a lead electrically connected to the in-the-ear speaker to conduct audio signals from the at least one signal processor to the in-the-ear speaker,
a first wireless interface comprising a first coil antenna configured for near field communication in a first radio frequency (RF) band using magnetic induction, and
a second wireless interface comprising a first radiating antenna configured for far field communication in a second RF band using electromagnetic field propagation, wherein the second RF band is higher in frequency than the first RF band.
2. The hearing aid device of claim 1 , wherein the first wireless interface comprises a first transceiver coupled to the first coil antenna and configured for near field communication in the first RF band, and wherein the second wireless interface comprises a second transceiver coupled to the first radiating antenna and configured for far field communication in the second RF band.
3. The hearing aid device of claim 2 , wherein the first radiating antenna is a dipole antenna that is configured to operate in the Gigahertz (GHz) range.
4. The hearing aid device of claim 1 , wherein the hearing aid device is configured to form a near-field communication link in the first RF band with a contralateral hearing aid device via the first wireless interface.
5. The hearing aid device of claim 1 , wherein the hearing aid device is configured to form a far-field communication link in the second RF band with a remote control via the second wireless interface.
6. The hearing aid device of claim 1 , wherein:
the hearing aid device is configured to form a binaural communications link with another hearing aid device using the near field communication in the first RF band via the first wireless interface, and
the hearing aid device is configured to form a bidirectional communications link with a handheld device using the far field communication in the second RF band via the second wireless interface.
7. The hearing aid device of claim 2 , wherein the first transceiver, the second transceiver, the first coil antenna, and the first radiating antenna are positioned in the housing.
8. The hearing aid device of claim 7 , wherein the lead is configured to operate as an extension of the first radiating antenna.
9. A hearing aid system comprising the hearing aid device of claim 1 , wherein the hearing aid device is configured to be worn behind a first ear of the recipient on a first side of the head, and wherein the system includes:
a second hearing aid device configured to be worn behind a second ear of the recipient on a second side of the head, the second hearing aid device comprising a third wireless interface comprising a second coil antenna configured for near field communication in the first RF band, and a fourth wireless interface comprising a second radiating antenna configured for far field communication in the second RF band,
wherein the first hearing aid device and the second hearing aid device are configured for bilateral communications with each other in the first RF band, and the first hearing aid device and the second hearing aid device are configured for bidirectional communication with a handheld device in the second RF band.
10. The hearing aid system of claim 9 , wherein:
the first wireless interface comprises a first transceiver coupled to the first coil antenna and configured for near field communication in the first RF band, and
the third wireless interface comprises a third transceiver coupled to the second coil antenna and configured for near field communication in the first RF band.
11. The hearing aid system of claim 9 , wherein the first wireless interface and the third wireless interface are configured to form a binaural communications link at an operating frequency that is less than 30 megahertz (MHz).
12. The hearing aid system of claim 9 , wherein:
the second wireless interface comprises a second transceiver coupled to the first radiating antenna and configured for far field communication in the second RF band, and
the fourth wireless interface comprises a fourth transceiver coupled to the second radiating antenna and configured for far field communication in the second RF band.
13. The hearing aid system of claim 9 , wherein the first wireless interface and the third wireless interface are configured to operate at a frequency less than 30 megahertz (MHz), and the second wireless interface and the fourth wireless interface are configured to operate at a frequency in the ultra-high frequency band.
14. The hearing aid system of claim 9 , wherein:
the first coil antenna of the first wireless interface and the second coil antenna of the third wireless interface each comprise a closed-wire loop antenna, and
the first radiating antenna of the second wireless interface and the second radiating antenna of the fourth wireless interface each comprise an open-ended wire antenna.
15. The hearing aid system of claim 14 , wherein the hearing aid system comprises a remote device, the remote device has a fifth wireless interface, and the second wireless interface, the fourth wireless interface, and the fifth wireless interface are configured to operate at 2.4 Gigahertz (GHz).
16. A method comprising:
an ear worn hearing aid device communicating with a first device via a first wireless interface comprising a first coil antenna, wherein the first wireless interface provides a near-field communications link in a first RF band using magnetic induction via the first coil antenna; and
the ear worn hearing aid device communicating with a second device via a second wireless interface comprising a first radiating antenna, wherein the second wireless interface provides a far-field communications link in a second radio frequency RF band using electromagnetic field propagation via the first radiating antenna, wherein the second RF band is higher in frequency than the first RF band.
17. The hearing aid device of claim 1 , further comprising:
a microphone positioned next to an opening in the housing, wherein the at least one signal processor is configured to receive an audio stream from the microphone.
18. The hearing aid device of claim 17 , wherein the first wireless interface is configured to establish a binaural communications link with a contralateral hearing aid device.
19. The hearing aid device of claim 1 , wherein the first wireless interface comprises a first transceiver coupled to the first coil antenna and configured to operate at a frequency less than 30 megahertz (MHz), and wherein the second wireless interface comprises a second transceiver coupled to the first radiating antenna and configured operate at a frequency in the ultra-high frequency band.
20. The hearing aid device of claim 1 , wherein the first wireless interface is configured to generate a non-propagating quasi-static magnetic field.
21. The hearing aid device of claim 17 , wherein the first wireless interface is configured to communicate audio from the at least one microphone to a contralateral hearing aid device.
22. The hearing aid device of claim 1 , wherein the first wireless interface is configured to operate in the first RF band using magnetic induction and the second wireless interface is configured to operate in the second RF band using electromagnetic field propagation simultaneously in time.
23. The method of claim 16 , wherein the method comprises the ear worn hearing aid device establishing a near-field communications link that extends from one side of a recipient's head to a contralateral side of the recipient's head.
24. The method of claim 16 , wherein the method comprises the ear worn hearing aid device generating a non-propagating quasi-static magnetic field.
25. The method of claim 16 , wherein the method comprises the ear worn hearing aid device establishing binaural communications with a contralateral hearing aid device via the first wireless interface.
26. The method of claim 16 , wherein the method comprises the ear worn hearing aid device streaming audio from a handheld device via the second wireless interface.
27. The method of claim 16 , wherein the method comprises the ear worn hearing aid device receiving an audio stream from the second device via the second wireless interface, and transmitting the audio stream to the first device via the first wireless interface.