Plane speaker having coil plate guide device

Details Plane speaker having coil plate guide device Plane speaker having coil plate guide device

H - Electricity

04

R

H04R 7/04 (2006.01)

Patent

CA 2553720

The present invention relates to a plate type speaker with a planar diaphragm. The plate type speaker of the present invention comprises a base frame; at least one magnetic body coupled to the base frame such that opposite polarities are provided at adjacent lateral positions and are spaced apart by a predetermined distance from each other; a diaphragm; at least one coil plate that is formed with a voice coil wound on either or both of sides thereof, and is inserted vertically into spaces between the opposite polarities of the magnetic body and connected to the diaphragm; and a coil plate guide means coupled to the coil plate for guiding the position and vibration direction of the coil plate such that the coil plate is spaced from the magnetic bodies and vibrates vertically. The use of the plate type speaker with the coil plate guide means according to the present invention allows the position of a coil plate to be guided so that the coil plate does not come into contact with a permanent magnet or upper and lower plates even though the coil plate vibrates vertically, thereby preventing output of abnormal sound due to interference of the coil plate with the internal parts.

L'invention concerne un haut-parleur de type à plaque à membrane plane. Ledit haut-parleur comprend un châssis de base; au moins un corps magnétique couplé audit châssis, les polarités opposées étant ainsi installées dans des emplacements latéraux contigus et à distance prédéterminée les unes des autres; une membrane; au moins une plaque porte-bobine formée d'une bobine mobile enroulée autour d'un côté ou sur ses deux côtés, et insérée verticalement dans les espaces entre lesdites polarités opposées du corps magnétique et reliée à la membrane; et un guide de plaque porte-bobine couplé à celle-ci et destiné à guider le sens de l'emplacement et des vibrations de ladite plaque porte-bobine de façon que cette dernière soit à distance des corps magnétiques et vibre verticalement. L'utilisation du haut-parleur de type à plaque avec le guide de plaque porte-bobine permet de guider l'emplacement d'une plaque porte-bobine de façon que cette dernière n'entre pas en contact avec un aimant permanent ou les plaques supérieures et inférieures, même si la plaque porte-bobine vibre verticalement, ce qui empêche la sortie de sons anormaux dus à l'interférence de la plaque porte-bobine avec les pièces internes.

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