Title:
MULTIPLE-INPUT DRIVEN LOUDSPEAKER
Document Type and Number:
WIPO Patent Application WO/2021/007983
Kind Code:
A1
Abstract:
Disclosed is a multiple-input driven loudspeaker, which reduces loudspeaker distortion, increases sensitivity of a loudspeaker, and improves loudspeaker intelligibility, and provides a compact structure. The loudspeaker comprises a basin frame, a sound cone, a main input driving mechanism and a plurality of secondary input driving mechanisms, the main input driving mechanism being arranged between the plurality of secondary input driving mechanisms; the main input driving mechanism comprises a main voice coil, a T-yoke, a front piece and a first magnetic steel, a main voice coil mounting hole being provided in the middle of the sound cone, an upper end portion of the main voice coil being connected to the main voice coil mounting hole, and a central hole being provided in the middle of the basin frame; each secondary input driving mechanism respectively comprises a secondary voice coil and a secondary magnetic circuit assembly formed with a secondary magnetic gap, a plurality of secondary voice coil mounting holes are correspondingly provided on the sound cone, an upper end portion of each secondary voice coil is connected to a corresponding secondary voice coil mounting hole, a plurality of secondary magnetic circuit mounting holes are correspondingly provided on the basin frame, and a lower portion of each secondary voice coil is inserted into a corresponding secondary magnetic gap through a corresponding secondary magnetic circuit mounting hole.
Inventors:
ZHOU JIANMING (CN)
Application Number:
PCT/CN2019/112660
Publication Date:
January 21, 2021
Filing Date:
October 23, 2019
Export Citation:
Assignee:
SUZHOU RUSHENG ELECTRONICS CO LTD (CN)
International Classes:
H04R9/02; H04R9/06
Foreign References:
| CN110225440A | 2019-09-10 | |||
| CN207427463U | 2018-05-29 | |||
| EP0169792A1 | 1986-01-29 |
Other References:
See also references of EP 4002879A4
Attorney, Agent or Firm:
SUZHOU CREATOR PATENT AND TRADEMARK AGENCY, LTD (CN)
Download PDF: