SOUND OUTPUT APPARATUS

Abstract: a sound output apparatus can comprise a vibration member including a vibration plate, the vibration plate including a pattern part, and a vibration apparatus configured to vibrate the vibration member based on a piezoelectric effect. the pattern part comprises one or more of a plurality of holes and a plurality of grooves and is configured to increase an average sound pressure level of the sound output apparatus.

Inventor(s): Eun ROH, NohJin MYUNG, SangWoo JIN, SeungRyull PARK

CPC Classification: H04R17/00 (Piezoelectric transducers; Electrostrictive transducers (piezoelectric or electrostrictive elements in general ; details of piezoelectric or electrostrictive motors, generators or positioners {}))

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