Patent ID: 9337883
Filing Date: 2016-05-10
CPC Classification: H04B,H04M,H04R

Claim Text:
1. A protection case for a mobile communication device, comprising: a main body for receiving the mobile communication device; a main circuit board with an amplifier installed thereon; and a vibrator electrically connected to the amplifier; wherein the amplifier comprises audio signal input terminals for receiving audio signals from the mobile communication device, and audio signal output terminals for outputting the audio signals which are amplified by the amplifier to the vibrator; the vibrator is driven to vibrate in accordance with the audio signals output by the amplifier; the vibrator is a piezoelectric ceramic vibrator, and a vibrating direction of the vibrator is perpendicular to the main body; and the vibrator comprises a base, a piezoelectric ceramic element, and an actuating unit, the base is received and fixed in the main body, the piezoelectric ceramic element is attached on at least one surface of the base, and the actuating unit is disposed on the piezoelectric ceramic element.