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US 9,807,525 B2Granted
RIC assembly with thuras tube
AssigneeSonion Nederland B.V.
InventorsAart Zeger van Halteren, Thomas A. Cohen-Stuart
Life of this patent
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Abstract
A hearing aid assembly comprising a receiver comprising a front chamber and a back chamber being acoustically coupled to respective front and back chamber openings, and acoustical guiding means for guiding air from at least one of the front and back chamber openings to an air mixing zone for mixing air from the front and back chamber openings. The mixing of air from the front and back chambers enhances the low-frequency response of the hearing aid assembly.
Claims12
A hearing aid assembly comprising:
- a receiver comprising a front chamber and a back chamber being acoustically coupled to respective front and back chamber openings, and
- acoustical guiding means for guiding air from the back chamber opening to an air mixing zone for mixing air from the front and back chamber openings, the acoustical guiding means including a flexible tube having a predetermined length and a predetermined inner diameter, the air mixing zone being acoustically coupled to a sound outlet that includes a dome, the air mixing zone including an area behind the sound outlet dome, the sound outlet dome forming part of the boundaries of the air mixing zone, wherein the predetermined length and the predetermined inner diameter of the flexible tube are within the ranges 20-100 mm and 0.25-0.75 mm, respectively.
Dependencies are inferred from the claim text.