Sound production device

A technology for sound-emitting devices and components, applied in the field of sound and electricity, can solve the problems of voice coil design limitations, limited volume of magnetic circuit systems, and limited improvement of acoustic performance of sound-emitting devices.

Active Publication Date: 2019-02-22
AAC TECH PTE LTD
View PDF14 Cites 9 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the sound-generating device of the related art, the diaphragm and the elastic support assembly are respectively fixed at opposite ends of the voice coil, although the elastic support assembly can effectively prevent the lateral vibration of the voice coi

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

[0036] 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.

[0037] Please refer to Figure 1-9 As shown, the present invention provides a sound-generating device 100, which includes a frame 1, a vibration system 2 and a magnetic circuit system 3 respectively fixed to the frame 1.

[0038] The basin frame 1 is used to support the vibration system 2 and the magnetic circuit system 3, and the magnetic circuit system 3 is used to drive the vibration system 2 to vibrate and produce sound.

[0039] The vibration system 2 in...

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 sound production device comprises a cone, and a vibration system and a magnetic path system with magnetic gap which are fixed on the cone; the vibration system comprises a vibration diaphragm fixed at the cone, a voice coil inserted into the magnetic gap and used for driving the vibration diaphragm to vibrate to produce sound, elastic support assemblies fixed at the cone and opposite to the vibration diaphragm, and support skeletons, wherein the elastic support assemblies and the vibration diaphragm are arranged at intervals; one end of each support skeleton is connected with the vibration diaphragm, and the other end thereof is connected with the elastic support assembly; each support skeleton is connected with a side of the voice coiland used for elastically suspending the voice coil below the vibration diaphragm. Compared with the related technology, the sound production device provided by the invention is good in stability andexcellent 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. At present, the functions of mobile phones are extremely diverse, one of which is the high-quality music function. Therefore, the sound generating devices for playing sound are widely used in smart mobile devices such as mobile phones. [0003] The sound-generating device in the related art includes a pot frame, a vibration system fixed to the pot frame, and a magnetic circuit system that drives the vibration system to vibrate and sound; the vibration system includes a diaphragm fixed to the pot frame, a drive A voice coil that vibrates and emits sound from the diaphr...

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
IPC IPC(8): H04R9/06H04R9/02
CPCH04R9/025H04R9/06H04R2400/11
Inventor 宋威张帆
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

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap