Loudspeaker system with wide horizontal coverage angle
By placing acoustic covers on both sides of the mid-bass unit and vertically arranging small-sized tweeters, the problem of narrow mid-frequency coverage angle is solved, achieving a simple and compact speaker design that expands the coverage angle and reduces costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- 曾先
- Filing Date
- 2024-11-08
- Publication Date
- 2026-05-08
AI Technical Summary
In existing loudspeaker systems, the mid-frequency coverage angle is narrow, requiring the use of lower crossover frequencies or the addition of midrange loudspeakers to expand the coverage angle, resulting in increased structural complexity and cost.
Multiple small tweeters are arranged vertically in front of the mid-bass unit. Acoustic covers are provided on both sides of the mid-bass unit to prevent diaphragm impact, and the sound waves are emitted from the center through a sealing design.
It achieves a wide mid-frequency coverage angle while simplifying the structure and reducing costs.
Smart Images
Figure CN122002188A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of speaker equipment, and specifically provides a speaker system with a wide horizontal coverage angle. Typical speaker systems use a tweeter in the middle and two or more mid-bass drivers distributed on either side of the tweeter's opening to achieve a relatively compact layout. However, this results in a relatively large horizontal distance between the two drivers on either side of the tweeter, which narrows the horizontal coverage angle of the midrange frequencies. This requires the use of a lower crossover frequency or the addition of a separate midrange driver to achieve a wider coverage angle, thus increasing structural complexity and cost. Summary of the Invention
[0002] This invention provides a simple and compact acoustic solution, in which multiple small-sized tweeters, i.e., 1 in Figures 1 and 2, are vertically arranged directly in front of a single mid-bass unit 2. Acoustic covers 3 are provided on both sides of the mid-bass unit to block the diaphragm positions on both sides, and there is a sufficient gap between the covers and the diaphragm to prevent the diaphragm of the midrange unit from hitting the covers when it is working. The outer side of the cover is sealed, so that sound waves can only be emitted from the middle of the speaker. Attached Figure Description
[0003] Figure 1 This is a front view of the invention, showing the speaker distribution as seen from the front of the audience; Figure 2 The top view of the present invention shows the front-to-back positional relationship of the small-sized tweeter, mid-bass unit, and acoustic cover.
Claims
1. A loudspeaker system with a wide horizontal coverage angle, characterized in that: There are N small tweeters arranged vertically in front of a single mid-bass unit.
2. The diaphragm of the mid-bass unit is covered on both sides, and there is a sufficient gap between the cover and the speaker diaphragm so that the speaker will not hit the cover when it vibrates.
3. The outer side of the cover is closed, so that sound waves can only propagate from the inner side of the cover.