Patent ID: 11950049
Assignee: SONY GROUP CORPORATION
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  A | IPC A  H

Claim 0:
1. An acoustic reflector, comprising:
a reflection portion that comprises an elliptical reflection surface, wherein
a sound output from a speaker device that has an output position of the sound one of at or near one focal point on the elliptical reflection surface is reflected by the elliptical reflection surface,
a shape of the reflection portion is smaller than a semi-ellipsoid such that the reflection portion has a size that reflects the sound in a range in which a directional angle is one of equal to or less than 120 degrees, and
the acoustic reflector is movable between a use position where the sound output from the speaker device is listened and a retreat position that is positioned apart from an ear than the use position; and

a biasing spring configured to:
perform biasing of the reflection portion to a direction opposite to the retreat position at the use position; and
perform biasing of the reflection portion to a direction opposite to the use position at the retreat position.