Loudspeaker
AssigneePanasonic Automotive Systems Co., Ltd.
InventorsKazuma Fujioka, Kengo Takeda, Tetsushi Itano
Life of this patent
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Abstract
A loudspeaker including a magnetic circuit including a magnetic gap, a voice coil body inserted in the magnetic gap, a diaphragm attached to the voice coil body, transmission members arranged on a lateral side of the extend magnetic circuit along the magnetic circuit with a predetermined gap to transmit an electric signal to be input to the voice coil body, and a housing made of a resin and integrated with the magnetic circuit and the transmission members. The transmission members include externally exposed portions and internally exposed portions.
Claims16
A loudspeaker comprising:
- a magnetic circuit including a magnetic gap;
- a voice coil body arranged inserted in the magnetic gap;
- a diaphragm attached to the voice coil body;
- transmission members arranged on a lateral side of the magnetic circuit along the magnetic circuit with a predetermined gap to transmit an electric signal to be input to the voice coil body, the transmission members extending to a rear surface side of the magnetic circuit from the lateral side of the magnetic circuit;
- and
- a housing made of a resin and integrated with the magnetic circuit and the transmission members,
- wherein the transmission members include:
- externally exposed portions exposed outside the housing;
- and
- internally exposed portions exposed inside the housing.
A loudspeaker comprising:
- a magnetic circuit having a magnetic gap;
- a voice coil body arranged inserted in the magnetic gap;
- a diaphragm attached to the voice coil body;
- connection members connected to the voice coil body to transmit an electric signal to be input to the voice coil body;
- a housing which accommodates the magnetic circuit and the voice coil body;
- and
- a damper which connects the voice coil body to the housing,
- wherein the damper includes:
- an outer ring which is in a ring shape and is attached to the housing;
- an inner ring which is in a ring shape and is attached to the voice coil body;
- and
- at least two arms each extending along a radial direction with respect to a winding axis of the voice coil body as a center to connect the outer ring to the inner ring, and
- each of the connection members extends along the radial direction with respect to the winding axis of the voice coil body as a center, penetrates through the outer ring and the inner ring, and is held between the at least two arms by the damper.
Dependencies are inferred from the claim text.