18518646. SPEAKER BOX AND STYLUS (AAC Microtech (Changzhou) Co., Ltd.)
SPEAKER BOX AND STYLUS
Organization Name
AAC Microtech (Changzhou) Co., Ltd.
Inventor(s)
SPEAKER BOX AND STYLUS
This abstract first appeared for US patent application 18518646 titled 'SPEAKER BOX AND STYLUS
Original Abstract Submitted
The present application provides a speaker box and a stylus, and the speaker box includes a lower cover, an upper cover, a sounding driver, and side magnetic steels. The sounding driver includes a frame, a first frame, a vibration system fixed to the frame, and a magnetic circuit system to drive the vibration system. The magnetic circuit system includes a lower splint, a magnetic steel, a pole core formed with a projecting portion, and a first sub-magnetic steel. The magnetic steel includes a main magnetic steel and sub-magnetic steels arranged around the main magnetic steel and spaced apart to form a magnetic gap. The vibration system includes a diaphragm, a voice coil, a first diaphragm, and a first voice coil. The side magnetic steels are magnetized in an opposite direction to the sub-magnetic steels. The speaker box in this application can avoid inaccuracies in the stylus stroke.