ACOUSTIC DEVICE
First Claim
1. An acoustic device, comprising a frame and a vibration system fixed to the frame, wherein the vibration system comprises a first vibrating diaphragm fixed to the frame, a voice coil driving the first vibrating diaphragm to vibrate and produce a sound, and a flexible circuit board, the flexible circuit board is fixed to an end of the voice coil which is away from the first vibrating diaphragm, the voice coil comprises a voice coil body and a voice coil lead wire extending from the voice coil body and electrically connected to the flexible circuit board, the flexible circuit board comprises a first fixing arm and a second fixing arm respectively fixed to the frame and the voice coil body, an elastic arm connecting the first fixing arm and the second fixing arm, and a pad respectively extending from two ends of the second fixing arm, the pad is at least partially located on an inner side of the voice coil body, and the voice coil lead wire extends from the voice coil body toward the inner side of the voice coil body and is fixed to the pad to form an electrical connection.
1 Assignment
0 Petitions
Accused Products
Abstract
The present disclosure provides an acoustic device, including a frame and a vibration system fixed to the frame, where the vibration system includes a first vibrating diaphragm fixed to the frame, a voice coil driving the first vibrating diaphragm to vibrate and produce a sound, and a flexible circuit board, the flexible circuit board is fixed to an end of the voice coil which is away from the first vibrating diaphragm, the flexible circuit board includes a first fixing arm and a second fixing arm respectively fixed to the frame and the voice coil body, an elastic arm connecting the first fixing arm and the second fixing arm, and a pad respectively extending from two ends of the second fixing arm, the pad is at least partially located on an inner side of the voice coil body. The acoustic device in the present disclosure has better acoustic performance.
2 Citations
6 Claims
- 1. An acoustic device, comprising a frame and a vibration system fixed to the frame, wherein the vibration system comprises a first vibrating diaphragm fixed to the frame, a voice coil driving the first vibrating diaphragm to vibrate and produce a sound, and a flexible circuit board, the flexible circuit board is fixed to an end of the voice coil which is away from the first vibrating diaphragm, the voice coil comprises a voice coil body and a voice coil lead wire extending from the voice coil body and electrically connected to the flexible circuit board, the flexible circuit board comprises a first fixing arm and a second fixing arm respectively fixed to the frame and the voice coil body, an elastic arm connecting the first fixing arm and the second fixing arm, and a pad respectively extending from two ends of the second fixing arm, the pad is at least partially located on an inner side of the voice coil body, and the voice coil lead wire extends from the voice coil body toward the inner side of the voice coil body and is fixed to the pad to form an electrical connection.
Specification