US 12,413,901 B2
High-performance and flexible loudspeaker apparatus usable in various scenes
Hiroyuki Nakamura, Tokyo (JP); Minoru Tsuruta, Chichibu (JP); Yoshihito Yamada, Honjo (JP); and Takao Kakizakai, Chichibu (JP)
Assigned to CANON DENSHI KABUSHIKI KAISHA, Saitama (JP)
Filed by CANON DENSHI KABUSHIKI KAISHA, Saitama (JP)
Filed on Dec. 16, 2022, as Appl. No. 18/067,167.
Claims priority of application No. 2021-211330 (JP), filed on Dec. 24, 2021; application No. 2022-125555 (JP), filed on Aug. 5, 2022; application No. 2022-125556 (JP), filed on Aug. 5, 2022; and application No. 2022-190372 (JP), filed on Nov. 29, 2022.
Prior Publication US 2023/0209248 A1, Jun. 29, 2023
Int. Cl. H04R 1/28 (2006.01); H04R 1/34 (2006.01)
CPC H04R 1/2834 (2013.01) [H04R 1/288 (2013.01); H04R 1/2896 (2013.01); H04R 1/345 (2013.01); H04R 2400/11 (2013.01); H04R 2420/07 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A loudspeaker apparatus comprising:
a first unit including a loudspeaker therein; and
a second unit connected to a bottom of the first unit,
wherein the first unit comprises:
the loudspeaker provided in a housing of the first unit so as to output a sound toward an upper portion of the housing; and
a passive radiator provided on a bottom side of the loudspeaker in the housing, and
wherein an output port of the passive radiator faces an inclined surface which is provided at an upper portion of the second unit and whose distance from the output port of the passive radiator increases toward a radially outer side of the housing.