Panasonic intellectual property management co., ltd. (20250071456). LOUDSPEAKER DEVICE
Contents
LOUDSPEAKER DEVICE
Organization Name
panasonic intellectual property management co., ltd.
Inventor(s)
Akihisa Kawamura of Osaka (JP)
LOUDSPEAKER DEVICE
This abstract first appeared for US patent application 20250071456 titled 'LOUDSPEAKER DEVICE
Original Abstract Submitted
a loudspeaker device includes: a loudspeaker unit; and a casing that defines an internal space in which the loudspeaker unit is housed. the casing includes a baffle board to which the loudspeaker unit is fixed in an orientation that exposes a diaphragm of the loudspeaker unit. the baffle board includes one or more through-holes that establish communication between an external space outside of the casing and the internal space. sound that is emitted from the one or more through-holes has a wavelength with an inverted phase relative to sound emitted directly from the diaphragm to the external space.
