Hearing instrument comprising a battery antenna
US11284204B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 21, 2018 |
| Grant date | Mar 22, 2022 |
| Priority date | — |
| Expiry date | Nov 21, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2225/61
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
In accordance with the present disclosure a hearing instrument is provided. The hearing instrument comprises a wireless communication unit for wireless communication, a speaker interconnected with the wireless communication unit and being configured to provide an output audio signal, a battery configured to supply power to the hearing instrument, a filter circuit interconnecting the battery and a power management circuit of the hearing instrument, the wireless communication unit being interconnected with the battery, the battery being configured for emission and reception of an electromagnetic field having an RF wavelength. The filter circuit is configured to de-couple the battery and the power management circuit at frequencies above 3 MHz and configured to connect the battery to the power management circuit at frequencies below 300 kHz.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.