H - Electricity – 04 – R
Patent
H - Electricity
04
R
H04R 1/10 (2006.01)
Patent
CA 2421100
A communication device and overmold (100) adapted to minimize the feedback, acoustic coupling, and seismic vibration between a speaker (207) and microphone (202) in close proximity, as is typically found in hands-free headsets, is provided. This invention, through the use of specific structures absorbs unwanted noise and sound waves thereby improving the performance of the communication system as a whole. The complete system of this invention is provided in several embodiments, including an embodiment where the microphone is inserted within the overmold structure, an embodiment where the microphone is a boom microphone and an embodiment where the microphone is somewhat remote (a few inches) down from a miniaturized overmold and is provided with an ON/OFF switch.
Cette invention concerne un dispositif de communication et une pièce moulée rapportée (100) conçus pour réduire la rétroaction et le couplage acoustiques ainsi que les vibrations sismiques entre un haut-parleur (207) et un microphone (202) à proximité l'un de l'autre, comme c'est généralement de cas de casques radio mains libres. L'emploi de structures spécifiques permet d'absorber des bruits et des ondes sonores indésirables et donc d'améliorer les performances du système de communication dans son ensemble. Le système complet selon l'invention fait l'objet de plusieurs modes de réalisation , avec notamment : microphone intégré à la structure plastique rapportée ; microphone du type micro-perche; et microphone implanté légèrement en dessous (quelques pouces) d'une pièce rapportée moulée miniaturisée et doté d'un interrupteur de MARCHE/ARRET.
Brumitt Marcia R.
Dyer Medford A.
Springer Edward D.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Gn Jabra Corporation
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