Antenna system for a hearing aid
First Claim
1. A hearing aid, comprising:
- an antenna for emission of an electromagnetic field;
a transceiver for wireless data communication, the transceiver interconnected with the antenna;
a housing for accommodation of the transceiver; and
a parasitic antenna element located in the housing;
wherein the antenna comprises a first section, the antenna being positioned so that current flows in the first section in a direction that corresponds with an ear-to-ear axis of a user when the housing is worn in its operational position by the user;
wherein the antenna comprises a primary antenna element;
wherein the first section forms a ground potential plane for the primary antenna and the parasitic antenna element; and
wherein the first section of the antenna has a fixed orientation with respect to the housing created during manufacturing of the hearing aid.
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Accused Products
Abstract
A hearing aid includes: a hearing aid assembly having an antenna for emission of an electromagnetic field, a transceiver for wireless data communication, the transceiver interconnected with the antenna, and a housing for accommodation of the antenna; wherein the antenna comprises a first section having a length between at least one sixteenth wavelength and a full wavelength of the electromagnetic field, the antenna being positioned so that current flows in the first section in a direction that corresponds with an ear-to-ear axis of a user when the housing is worn in its operational position by the user, whereby the electromagnetic field emitted by the antenna propagates along a surface of a head of the user with its electrical field substantially orthogonal to the surface of the head of the user.
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Citations
38 Claims
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1. A hearing aid, comprising:
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an antenna for emission of an electromagnetic field; a transceiver for wireless data communication, the transceiver interconnected with the antenna; a housing for accommodation of the transceiver; and a parasitic antenna element located in the housing; wherein the antenna comprises a first section, the antenna being positioned so that current flows in the first section in a direction that corresponds with an ear-to-ear axis of a user when the housing is worn in its operational position by the user; wherein the antenna comprises a primary antenna element; wherein the first section forms a ground potential plane for the primary antenna and the parasitic antenna element; and wherein the first section of the antenna has a fixed orientation with respect to the housing created during manufacturing of the hearing aid. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A hearing aid, comprising:
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an antenna for emission of an electromagnetic field; a transceiver for wireless data communication, the transceiver interconnected with the antenna; and a housing for accommodation of the transceiver; wherein the antenna comprises a first section, the antenna being positioned so that current flows in the first section in a direction that corresponds with an ear-to-ear axis of a user when the housing is worn in its operational position by the user; wherein the first section of the antenna has a fixed orientation with respect to the housing created during manufacturing of the hearing aid; and wherein the current has a maximum amplitude in the first section during emission of the electromagnetic field. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38)
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Specification