Loudspeaker system for vehicle
AssigneeAsk Industries Societa' Per Azioni
InventorsMaurizio Servadio, Claudio Panni, Pietro Massini, Enrico Esposito, Manrico Colonna
Life of this patent
Estimating the term…
Abstract
A loudspeaker system for vehicle has a wall of a frame of a vehicle that separates an exterior from an interior and has a through hole, a box mounted in the wall in correspondence of the through hole, a loudspeaker mounted in the box, a back resonance chamber formed between the membrane of the loudspeaker and the walls of the box, a through hole obtained in a wall of the box and disposed in register with the hole of the wall of the frame of the vehicle and a partition of sound-absorbing material that closes the through hole of the wall of the box.
Claims8
Loudspeaker system for vehicle comprising:
- a wall of a frame of a vehicle that separates an exterior from an interior;
- said wall having a through hole,
- a box mounted in the wall in correspondence of the through hole of the wall and facing inwards,
- a loudspeaker mounted in the box;
- said loudspeaker comprising a basket fixed to the box, a magnetic unit fixed to the basket, a coil supported by a cylinder connected to a membrane and centering devices that connect the cylinder to the basket and the membrane to the basket,
- a back resonance chamber formed between said membrane of the loudspeaker and the walls of the box,
- a through hole obtained in a wall of the box and disposed in register with said hole of the wall of the frame of the vehicle;
- said through hole of the wall of the box being in communication with said back resonance chamber, and
- characterized in that
- said basket and said magnetic unit are disposed inside a box, in said back resonance chamber,
- said basket is open and is provided with openings intended to let air pass in said back resonance chamber,
- a partition of sound-absorbing material is provided and fills said through hole of the wall of the box.
Dependencies are inferred from the claim text.