Electrical audio signal processing systems and devices – Sound effects – Reverberators
Patent
1993-08-27
1994-10-18
Kuntz, Curtis
Electrical audio signal processing systems and devices
Sound effects
Reverberators
381 68, 381 69, 381 692, H04R 2500
Patent
active
053575768
ABSTRACT:
An in-the-canal hearing aid has a shell having an inner end to be positioned in the canal adjacent the user's eardrum, and a faceplate located outwardly of the inner end but still adapted to be recessed within the ear canal in use. A protruding portion of the shell extends outwardly past the faceplate into the concha bowl and serves the dual purpose of both anchoring the hearing aid in the ear so that it cannot work its way down the ear canal, and providing a grip to facilitate insertion and removal of the hearing aid. The protruding portion is preferably cut back close to the faceplate at one side of the faceplate to facilitate battery insertion and removal, and may contain an aperture or a hook-like portion to facilitate gripping. A vent to vent the hearing aid may extend outwardly on the protruding portion to a position adjacent the rim of the protruding portion, to space the outer vent opening away from the microphone opening on the faceplate, to reduce the likelihood of feedback.
REFERENCES:
patent: 4539440 (1985-09-01), Sciarra
patent: 5003608 (1991-03-01), Carlson
patent: 5048090 (1991-09-01), Geers
Kuntz Curtis
Tran Sinh
Unitron Industries Ltd.
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