Electrical audio signal processing systems and devices – Sound effects – Reverberators
Patent
1988-09-16
1990-10-09
Ng, Jin F.
Electrical audio signal processing systems and devices
Sound effects
Reverberators
381 69, 381 692, H04R 2500
Patent
active
049625373
ABSTRACT:
An in-the-ear hearing aid has a number of electrical and electro-mechanical discrete components embedded in a flexible plastic compound. The combination of the components in the plastic compound can be introduced into the user's ear, or into a negative of an ear impression, for pre-fitting. Due to the flexibility of the plastic compound, the combination can be shaped as needed. The shaped combination is then cast in an otoplastic material which conforms precisely to the shape of the user's ear, and hardens to retain that shape. A rigid shell for holding the components is thus not needed, and therefore the hearing aid is far more adaptable to different shapes of auditory canals than conventional hearing aids.
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patent: 3527901 (1970-09-01), Geib
patent: 3890474 (1975-06-01), Glicksberg
patent: 4520236 (1985-05-01), Gauthier
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"Verfahren zum herstellen eines Ohrstueckes for ein Hoergeraet, " from "Nues aus der Technik," No. 2, May 15, 1986, p. 2.
Basel Rainer
LeBisch Helmut
Byrd Danita R.
Ng Jin F.
Siemens Aktiengesellschaft
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