hearing aid fuel cell

Hearing Aid Fuel Cells?

In a previous article, in discussing hearing aid power supplies, it was mentioned that depending on its design, a power supply (battery) may obtain its energy from different types of energy sources, including electrical energy transmission systems, energy storage devices such as batteries, and fuel cells.   Hearing aids have used storage batteries for many…

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A Partial History of Hearing Aid Distribution Systems – Part I

Over the years, different hearing aid distribution systems have been proposed – other than company franchises or distributor agreements.  Some made it off the ground and have expanded, whereas others just did not seem to have a fighting chance from their inception. Many readers may not realize the extent of hearing aid distribution systems offered…

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