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US 6,549,635 B1Granted
Hearing aid with a ventilation channel that is adjustable in cross-section
AssigneeSiemens Audiologische Technik GmbH
InventorAnton Gebert
Life of this patent
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Abstract
A hearing aid device that can be directly inserted in the ear or worn with an otoplastic that can be inserted in the ear has an arrangement for adjusting the ventilation channel that is situated in the ventilation channel or at an opening of the ventilation channel. The arrangement has one or more adjustment elements that is/are positioned by electrical and/or magnetic miniature drives, initiated by corresponding operating elements or by the signal processing unit of the hearing aid device, or by programming the hearing aid device.
Claims12
A hearing aid device comprising:
- an output transducer;
- a housing in communication with said output transducer and being adapted for insertion in to an ear;
- an input transducer and a signal processing unit, said input transducer, said signal processing unit and said output transducer being connected together in an electrical signal path;
- a ventilation channel proceeding through said housing and communicating an ear interior with an ear exterior, said ventilation channel having an effective cross-sectional size;
- and
- at least one movable element disposed in said ventilation channel, said at least one movable element setting said effective cross-sectional size of said ventilation channel dependent on a position of said movable element in said ventilation channel, and a drive arrangement in said housing connected to said movable element for positioning said movable element in said ventilation channel, said drive arrangement being selected from the group consisting of miniature electrical drives and miniature magnetic drives.
3 more elements
Dependencies are inferred from the claim text.