Patent ID: 8259965

Claim:
A loudspeaker device, comprising: a loudspeaker and a reflecting member positioned opposite to the loudspeaker, the loudspeaker comprising an electromagnet actuator, a dish-like frame and a vibrating drum, the electromagnetic actuator being attached on one side of the frame, the vibrating drum adhered to an inner side of the dish-like frame opposite to the electromagnet actuator and communicating with the electromagnetic actuator, the electromagnetic actuator being configured for driving the vibrating drum to vibrate, the vibrating drum being configured for generating sound of different frequencies and intensities; and the reflecting member shaped in a bowl configuration, comprising a concave shaped reflecting surface opposite to the vibrating drum; and a surveillance device mounted on an edge of the reflecting member, the surveillance device and the reflecting surface of the reflecting member pointing to the same direction; wherein the area of the reflecting surface is larger than an area of the vibrating drum.