Sound production device

A technology of a sounding device and a basin frame, which is applied in the field of sound and electricity, can solve the problems of the limited development of the acoustic performance of the sounding device, the inability of the magnetic circuit system to contact the basin frame to form a fix, etc., so as to reduce the leakage of the back cavity, improve the acoustic performance, and reduce the impact. Effect

Active Publication Date: 2018-07-24
AAC TECH PTE LTD
View PDF7 Cites 23 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the sound emitting devices of the related art, for a single magnetic circuit ultra-linear sound emitting device, such as a single magnetic circuit ultra-linear receiver, it is limited by the structural barrier of the second diaphragm and the flange, so that the magnetic circuit The system cannot be in direct contact with the frame to form a fixed
The development of the acoustic performance of the sound-generating device of this type is limited

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Sound production device
  • Sound production device
  • Sound production device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0023] Please refer to Figure 1-3 As shown, the present invention provides a sound-generating device 100, which includes a basin frame 1, a vibration system 2, a magnetic circuit system 3 for driving the vibration system 2 to vibrate, a magnetic frame sealing cover 4, and a cover arranged on the front side of the basin frame 1. Cover 5.

[0024] The pot frame 1 is used for fixedly supporting the vibrating system 2 and the magnetic circuit system 3 . It can ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention provides a sound production device. The device comprises a frame, a vibration system fixed on the frame, a magnetic circuit system for driving the vibration system to produce sound by vibration, and a magnetic frame seal cover for fixing the magnetic circuit system at the frame; the magnetic circuit system comprises a magnet yoke and a magnetic steel fixed on the magnet yoke; the magnetic frame seal cover comprises the bottom wall and an annular side wall formed by bending and extending the periphery of the bottom wall, the magnet yoke is fixed at the bottom wall, and the side wall is fixed at the frame. Compared with the prior art, the sound production device provided by the invention is more excellent in acoustic performance.

Description

【Technical field】 [0001] The invention relates to the field of sound and electricity, in particular to a sound generating device used in portable electronic products. 【Background technique】 [0002] With the advent of the mobile Internet era, the number of smart mobile devices continues to rise. Among the many mobile devices, the mobile phone is undoubtedly the most common and portable mobile terminal device. Sound-generating devices such as loudspeakers and receivers for playing sound are widely used in smart mobile devices such as mobile phones. [0003] The vibration system and magnetic circuit system used in the sound-generating device are directly related to the sound quality of the sound-generating device. In order to enhance the stability of the vibration system, the vibration system of the sound-generating device in the related art includes a first diaphragm fixed to the frame, a voice coil that drives the first diaphragm to vibrate and produce sound, and a lateral...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): H04R9/06H04R9/02
CPCH04R9/02H04R9/06H04R2400/11H04R9/025H04R7/04H04R9/043H04R9/046H04R1/02H04R2209/024H04R7/02H04R2499/11
Inventor 肖波
Owner AAC TECH PTE LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products