H - Electricity – 04 – R
Patent
H - Electricity
04
R
H04R 25/00 (2006.01)
Patent
CA 2557038
An electro-acoustic transducer for driving a large surface is used to convert electrical signals into sound. The transducer has a housing with a cast aluminum bottom and a molded plastic top. The top and bottom are fastened together by screws with a gasket in between the contacting surfaces to form a housing for a high power electromagnetic voice coil driver mechanism. The top has an opening to allow the voice coil to be centered in its gap by a centering gauge during assembly of the driver. A cap closes the opening once the voice coil is fixed in place in the housing. The op is hexagonal and flat with circular rings in the top surface to allow the top to flex in a controlled manner while supporting the bottom which remains stationary.
L'invention porte sur un transducteur électroacoustique permettant de mettre en mouvement une importante surface et convertissant des signaux électriques en sons. Ledit transducteur comporte un boîtier comprenant un fond en fonte d'aluminium et un couvercle en plastique moulé, reliés par des vis avec interposition d'un joint, et formant un logement permettant de recevoir un mécanisme d'entraînement mu par une bobine électromagnétique mobile de forte puissance. Le couvercle est percé d'une ouverture permettant de centrer la bobine à l'aide d'un calibre de centrage lors de l'assemblage. Un capuchon referme l'ouverture une fois la bobine en place. Le couvercle est hexagonal et plat et comporte à sa surface supérieure des anneaux circulaires permettant au couvercle de fléchir alors que le fond reste fixe.
Larson Christopher Sean
Rivera Dean Menchaca
Heenan Blaikie Llp
Ksc Industries Incorporated
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