Hearing aid system and a hearing aid
First Claim
Patent Images
1. A hearing aid comprising:
- first wireless link component configured to receive a first data signal on a first antenna using a first carrier frequency;
second wireless link component configured to receive a second data signal on a second antenna using a second carrier frequency;
wherein the second wireless link component includes a first band pass filter that includes said first antenna of the first wireless link component and further comprises a frequency mixer configured to provide a frequency mixed signal with a down-mixed intermediate carrier frequency, wherein the down-mixed intermediate carrier frequency corresponds to the first carrier frequency.
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Abstract
A hearing aid (100) comprises first wireless link means configured to receive a first data signal using a first carrier frequency and second wireless link means configured to receive a second data signal using a second carrier frequency and wherein a first electrical antenna of the first wireless link means also forms part of a first band pass filter of the second wireless link means. The invention provides a hearing aid, a binaural hearing aid system and a method of receiving a first and second wireless signal.
28 Citations
18 Claims
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1. A hearing aid comprising:
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first wireless link component configured to receive a first data signal on a first antenna using a first carrier frequency; second wireless link component configured to receive a second data signal on a second antenna using a second carrier frequency;
wherein the second wireless link component includes a first band pass filter that includes said first antenna of the first wireless link component and further comprises a frequency mixer configured to provide a frequency mixed signal with a down-mixed intermediate carrier frequency, wherein the down-mixed intermediate carrier frequency corresponds to the first carrier frequency. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A hearing aid comprising first wireless link component configured to receive a first data signal using a first carrier frequency;
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a second wireless link component configured to receive a second data signal using a second carrier frequency; wherein the second wireless link component comprises a frequency mixer configured to provide a frequency mixed signal with a down-mixed intermediate carrier frequency, wherein the down-mixed intermediate carrier frequency corresponds to said first carrier frequency and wherein a first electrical antenna of the first wireless link component also forms part of a first band filter of the second wireless link component.
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14. A binaural hearing aid system comprising a first hearing aid comprising first wireless link component configured to receive a first data signal on a first antenna using a first carrier frequency;
- a second wireless link component configured to receive a second data signal on a second antenna using a second carrier frequency;
wherein the second wireless link component comprises frequency mixer configured to provide a frequency mixed signal with a down-mixed intermediate carrier frequency, wherein the down-mixed intermediate carrier frequency corresponds to said first carrier frequency, and a second hearing aid, wherein said first wireless link component is configured to exchange data between said first and said second hearing aid, and wherein said second wireless link component includes a band pass filter and said first antenna forms at least a part of said band pass filter. - View Dependent Claims (15, 16)
- a second wireless link component configured to receive a second data signal on a second antenna using a second carrier frequency;
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17. A method of receiving a first wireless signal and a second wireless signal in a hearing aid comprising the steps of
receiving a first wireless signal, having a first carrier frequency, using a first electrical antenna; -
receiving a second wireless signal, having a second carrier frequency, using a second electrical antenna; frequency mixing said second wireless signal, hereby providing a frequency mixed signal with a down-mixed intermediate carrier frequency; band pass filtering said frequency mixed signal using a band pass filter, wherein said band pass filter includes said first electrical antenna and is configured to pass said down-mixed intermediate carrier frequency, hereby providing a frequency down-mixed signal; demodulating and decoding said first wireless signal using first demodulating and decoding means; and demodulating and decoding said frequency down-mixed signal using said first demodulating and decoding means.
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18. A hearing aid comprising:
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first wireless link component configured to receive a first data signal on a first antenna using a first carrier frequency; second wireless link component configured to receive a second data signal on a second antenna using a second carrier frequency;
wherein the second wireless link component comprises a frequency mixer configured to provide a frequency mixed signal with a down-mixed intermediate carrier frequency, wherein the down-mixed intermediate carrier frequency corresponds to said first carrier frequency, and wherein said first antenna forms at least part of a band pass filter for filtering said frequency mixed signal.
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Specification