In-the-ear-canal hearing aid
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United States of America Patent
Stats
-
Nov 17, 1987
Grant Date -
N/A
app pub date -
Oct 20, 1986
filing date -
Nov 15, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to an in-the-ear hearing aid for people with impaired or defective hearing, with an ear-piece containing a microphone, amplifier, telephone, battery compartment with battery, on/off switch and volume control and closed by a cover plate; a hollow space (6) to the auricular canal is provided for at the inner end of the ear-piece (1) between the sound outlet connector (4) of the telephone (3) and the sound outlet (5) of the hearing air, this hollow space forming a resonator in conjunction with the sound outlet.
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Family
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