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

Claim 7:
8. A speaker unit, comprising:
an acoustic reflector including a reflection portion, wherein the reflection portion comprises an elliptical reflection surface; and
a speaker device having an output position of a sound one of at or near one focal point on the elliptical reflection surface, wherein
the sound output from the speaker device 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,
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
the acoustic reflector further includes 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.