Hearing aid

Details Hearing aid Hearing aid

1982-02-11

1984-08-21

Rubinson, G. Z.

Electrical audio signal processing systems and devices

Hearing aids, electrical

Specified casing or housing

381123, 179107H, 179 82, 179 87, H01R 2500

Patent

active

044671458

ABSTRACT:
In an exemplary embodiment, switches are provided for controlling operating state, and the like, of a miniature hearing aid. In such hearing aids, it is a precondition that all components, thus the switches as well, be designed very small and function reliably. Therefore, the disclosure provides magnetic switches which exhibit elements whose electrical conductivity can be influenced with magnetic fields. For example, reed contacts or magnetic field responsive semiconductors are employed as such elements. Thus, manual switching can ensue by means of displacing a magnet. Magnetically actuatable switches, however, can also serve to automatically switch on an auxiliary element, for instance a device for improving the reception of a telephone call (induction coil), when a magnetic field present outside of the device, for instance the magnetic field of a telephone receiver, approaches. A hearing aid equipped according to the disclosure is particularly suited for use in conjunction with induction coils.

REFERENCES:
patent: 3396245 (1968-08-01), Flygstad
patent: 4071714 (1978-01-01), Satoh

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