Circular polarized spiral antenna for hearing assistance devices

Abstract

Disclosed herein, among other things, are apparatus and methods for a high-efficiency antenna for hearing assistance device wireless communication. In various embodiments, a hearing assistance device includes a housing, a power source within the housing, and a radio circuit within the housing and electrically connected to the power source. A circular polarized spiral antenna is provided within the housing in various embodiments, the antenna configured to provide two electric field components configured to be used for wireless communications for the hearing assistance device. The device further includes a transmission line connected to a center of a spiral of the antenna and configured to electrically connect to the radio circuit, according to various embodiments.

Dependencies are inferred from the claim text.