H - Electricity – 04 – R
Patent
H - Electricity
04
R
H04R 25/02 (2006.01) H04R 19/01 (2006.01) H04R 25/00 (2006.01)
Patent
CA 2100773
2100773 9213430 PCTABS00014 A hearing aid is configured and dimensioned so as to be inserted past the cartilaginous part (30) of the external auditory canal (external acoustic meatus) and into the bony part (32) of the external auditory canal. The outer portion of the hearing aid fits snugly into the cartilaginous part (30) of the external auditory canal; the microphone (14) is located at the acoustic focus (36) of the ear such that the natural sound and direction gathering functions of the human outer ear are fully utilized by the hearing aid. The inner portion of the hearing aid is articularly joined to the outer portion to enable the inner portion to be positioned past the sigmoid portion (42) of the external auditory canal and forms a soft covered, elongated speaker (12) which fits within part of the bony part (32) of the external auditory canal, without causing discomfort to the human user.
Adelman Roger A.
Smart & Biggar
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