Patent
1976-05-17
1977-09-27
Stellar, George G.
H04R 138, H04R 2500
Patent
active
040513300
ABSTRACT:
A hearing aid having a two port microphone for adjustable directivity. The microphone front port is connected to a front port in the casing by a soft resilient rubber tube. The microphone rear port is connected by another soft resilient rubber tube to an outlet in the top of the casing, which outlet is covered by a slider. The slider has a channel communicating with the outlet and having front and rear openings separated by a divider wall. Depending on the position of the slider, the outlet connects with either the front or rear channel opening, controlling the directivity of the aid. The microphone is supported by the rubber tubes, which isolate it from the remainder of the aid.
REFERENCES:
patent: 3257516 (1966-06-01), Knowles
patent: 3836732 (1974-09-01), Johanson et al.
patent: 3909556 (1975-09-01), Johanson
Stellar George G.
Unitron Industries Ltd.
LandOfFree
Hearing aid having adjustable directivity does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Hearing aid having adjustable directivity, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hearing aid having adjustable directivity will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1816055