Modular hearing aid with lid hinged to faceplate

Details Modular hearing aid with lid hinged to faceplate Modular hearing aid with lid hinged to faceplate

1989-11-15

1991-04-16

Thomas, Alexander S.

Electrical audio signal processing systems and devices

Sound effects

Reverberators

H04R 2502

Patent

active

050089439

ABSTRACT:
A modular hearing aid to fit in the user's ear, having a shell, a faceplate fixed to the shell, and an electronic module removably snapped into the faceplate. The module includes an open-topped battery compartment which is closed by a lid hinged to the faceplate rather than to the module. This eliminates a bulky hinge on the module and allows a smaller snap fastener between the module and faceplate. The volume control on the module projects through an opening in the closed lid.

REFERENCES:
patent: 2867053 (1959-01-01), Boor

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