Noise canceling microphone with acoustically tuned ports

H - Electricity – 04 – R

Patent

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Details

H04R 3/00 (2006.01) H04R 1/02 (2006.01)

Patent

CA 2540708

Certain embodiments of a noise canceling microphone with acoustically tuned ports are disclosed herein. In one aspect of the invention, the noise canceling microphone may comprise a housing, a transducer for converting received energy received into electrical signals, where the transducer is located in the housing, a front and rear sound pathways to a front and rear sound openings in the transducer, where the front and rear sound pathways may be located on opposite sides of the housing and may be displaced 180 degrees off a vertical axis. The noise canceling microphone may further comprising a boom for supporting the noise canceling microphone, where the boom may be deformed to place the noise canceling microphone near the mouth of the user. For example, the boom may be deformed to place the noise canceling microphone at least ten millimeters away from the edge of the mouth of the user.

L'invention concerne certains modes de réalisation d'un microphone suppresseur de bruit présentant des accès accordés phoniquement. Dans un aspect, le microphone suppresseur de bruit peut comprendre un boîtier, un transducteur logé dans le boîtier pour convertir l'énergie reçue en signaux électriques, des circuits sonores avant et arrière au niveau d'ouvertures acoustiques avant et arrière ménagées dans le transducteur, lesdits circuits sonores avant et arrière pouvant être situés sur des côtés opposés du boîtier et déplacés de 180 degrés par rapport à un axe vertical. Le microphone suppresseur de bruit peut également comprendre une perche servant de support au microphone, qui peut être déformée pour placer le microphone près de la bouche de l'usager. Par exemple, la perche peut être déformée pour placer le microphone à au moins dix millimètres du coin de la bouche de l'usager.

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