Patent ID: 11962971
Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 8:
9. An acoustic lens that is attached to a loudspeaker, the acoustic lens comprising:
a plurality of fins each having one end portion located on a curved line that extends as convexly curved along a predetermined direction on a side opposite to the loudspeaker when the acoustic lens is viewed from a lateral side, the plurality of fins being arranged in the predetermined direction; and
a base including a support surface that defines the curved line when the acoustic lens is viewed from the lateral side, wherein:
when the acoustic lens is viewed from the lateral side, an elevation angle of the curved line relative to each of the plurality of fins gradually increases from one side to an other side in the predetermined direction, and
the one end portion of each of the plurality of fins is supported by the support surface of the base.