Microphone for hearing aid and communications applications...

Details Microphone for hearing aid and communications applications... Microphone for hearing aid and communications applications...

2005-04-05

2005-04-05

Nguyen, Duc (Department: 2643)

Electrical audio signal processing systems and devices

Having microphone

C381S312000, C381S355000

Reexamination Certificate

active

06876749

ABSTRACT:
A microphone assembly generally for hearing aid and communications applications is disclosed. The microphone assembly operates in both directional and non-directional or omni-directional modes. The microphone assembly has front and rear sound inlet tubes, and an actuator switch that may be moved between a first position in which the rear tube is plugged, defining the omni-directional mode, and a second position in which the rear tube is unplugged, defining the directional mode. Circuitry senses the position of the actuator switch and selects a microphone output based on the position sensed.

REFERENCES:
patent: 3835263 (1974-09-01), Killion
patent: 3836732 (1974-09-01), Johanson et al.
patent: 3875349 (1975-04-01), Ruegg
patent: 3975599 (1976-08-01), Johanson
patent: 4051330 (1977-09-01), Cole
patent: 4142072 (1979-02-01), Berland
patent: 5341433 (1994-08-01), Meyer et al.
patent: 5850665 (1998-12-01), Bousset
patent: 5933510 (1999-08-01), Bryant et al.
patent: 6101258 (2000-08-01), Killion et al.
patent: 6389142 (2002-05-01), Hagen et al.

Affiliated with

Also associated with

Rating

Microphone for hearing aid and communications applications... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Microphone for hearing aid and communications applications..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Microphone for hearing aid and communications applications... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3398751