Electrical audio signal processing systems and devices – Sound effects – Reverberators
Patent
1985-05-20
1987-12-01
Rubinson, Gene Z.
Electrical audio signal processing systems and devices
Sound effects
Reverberators
381 68, 381 692, H04R 2500
Patent
active
047109610
ABSTRACT:
A miniature hearing aid comprises an input transducer (18), amplifier (19) and control elements (8, 10) as well as a current source and output transducer (20), where at least a part of the amplifier (19) is applied on mounting surfaces hinged together and lying on mounting plates (46 to 49) and the articulated connections (60 to 63) have a flexible support provided with electrically conducting tracks (50 to 52, 57). The desideratum is, in view of the small space in miniature hearing aids, to obtain a large area for the application of the structural components or elements. This is achieved according to the invention in that the amplifier (19) is designed as a multi-layered system which comprises at least three layers (40 to 42), of which the two outer ones (42, 43) carry the physical or structural elements (53, 54, 54.2) lie over a so-called neutral intermediate layer (40) provided with conductor paths (57), and are subdivided at several mutually opposite points into structural sections, and that the mechanical strength of the intermediate layer (40) permits deformation of the arrangement. The invention is applicable for hearing aids to be worn in the vicinity of the ear, in particular hearing aids to be worn behind the ear.
REFERENCES:
patent: 3015704 (1962-01-01), Behymer
patent: 4037047 (1977-07-01), Taylor
patent: 4354065 (1982-10-01), Buettner
patent: 4639556 (1987-01-01), Hartl et al.
Thomas F. Longwell et al., Hearing Instruments, "Flexible Circuitry Leadless Components and Vapor Phase Soldering", vol. 34, No. 2, 1983, pp. 44-47.
Robert Braun; Starr-Flexible Leiterplatten; Funkschau, Jan. 1, 1982.
Byrd Danita R.
Edelman Lawrence C.
Rubinson Gene Z.
Siemens Aktiengesellschaft
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