VALVE APPARATUS, HEARING DEVICE WITH THE VALVE APPARATUS, AND METHOD

摘要

When volume-changeable elements are used in earpiece apparatus, a valve apparatus for expanding and contracting purposes is provided. A valve apparatus is provided with a discharge opening for the outlet of air from the volume-changeable element. The discharge opening can be closed directly by the volume-changeable element itself.

主权项

1. A valve apparatus for a volume-changeable element of an earpiece, the valve apparatus comprising:
a pressure channel for supplying a medium to and discharging the medium from the volume-changeable element; said pressure channel having a supply section leading to an interior of the volume-changeable element; said pressure channel leading, by way of a discharge opening, to an exterior outside the earpiece and the volume-changeable element; and said discharge opening and the volume-changeable element being disposed relative to one another to enable the volume-changeable element to selectively close said discharge opening.