H - Electricity – 04 – R
Patent
H - Electricity
04
R
349/28
H04R 25/00 (2006.01) H04R 25/02 (2006.01) H05K 1/18 (2006.01)
Patent
CA 1299279
ABSTRACT OF THE DISCLOSURE In a hearing aid formed of a printed circuit film, the operating elements at the hearing aid housing are also utilized for holding the printed circuit film. Given employment of a multi-layer printed circuit film, the operating elements, and particularly a switch or a potentiometer, can be arranged between the layers such that the required spacing between the layers is guaranteed.
570412
Aktiengesellschaft Siemens
Erbe Ehrenfried
Fetherstonhaugh & Co.
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