Variable geometry electromagnetic transducer

Details Variable geometry electromagnetic transducer Variable geometry electromagnetic transducer

H - Electricity

04

R

H04R 7/06 (2006.01) H01Q 1/38 (2006.01) H04R 7/10 (2006.01) H04R 19/00 (2006.01) H04R 19/02 (2006.01) H04R 31/00 (2006.01)

Patent

CA 2173580

A variable geometry transducer diaphragm(10) having an electrical conductor layer (26), with a conductor pattern, is positioned on an insulating layer (28), Magnets used to create an electromagnetic field around the conductors may be placed in the insulating layer (28) or formed as part of the frame (14) supporting the diaphragm (20). Alternatively, the frame (14) may be constructed to function as plates of a capacitor creating an electrostatic field around the diaphragm(10).

Diaphragme (10) de transducteur à géométrie variable, composé d'une couche conductrice électrique (26), pourvue d'une configuration conductrice, placée sur une couche isolante (28). Des aimants utilisés pour créer un champ électromagnétique autour des conducteurs peuvent être placés dans la couche isolante (28) ou constituer une partie du châssis (14) supportant le diaphragme (20). Alternativement, le châssis (14) peut être conçu pour fonctionner comme les plaques d'un condensateur créant un champ électromagnétique autour du diaphragme (10).

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