Hearing aid comprising a printed circuit film

Details Hearing aid comprising a printed circuit film Hearing aid comprising a printed circuit film

1988-06-06

1990-05-01

Ng, Jin F.

Electrical audio signal processing systems and devices

Sound effects

Reverberators

174138D, 381 692, H04R 2500

Patent

active

049225405

ABSTRACT:
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.

REFERENCES:
patent: 4354065 (1982-10-01), Buettner
patent: 4444318 (1984-04-01), Alexander
patent: 4639556 (1987-01-01), Hartl et al.
Hearing Instruments, "Flexible Circuitry, Leadless Components and Vapor Phase Soldering", Longwell, T. et al., vol. 34, No. 2, Feb. 1983, pp. 4 and 46.

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