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Directional pronunciation device

A technology of a sounding device and a sounding device, which is applied to the frequency/direction characteristic device and other directions, can solve the problems of easily affecting the rest of the residents, affecting the surrounding people, etc., and achieve the effect of reducing interference.

Inactive Publication Date: 2018-05-11
SOUTHWEST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the sound has the characteristics of a wide range of propagation directions and a wide range of influence, which also causes some sounds to affect the surrounding people while being transmitted to the target receiver. For example, the accompaniment music on the outdoor square is likely to affect the rest of nearby residents.

Method used

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  • Directional pronunciation device
  • Directional pronunciation device
  • Directional pronunciation device

Examples

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Embodiment Construction

[0013] The present invention will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are only used to explain the present invention, and do not constitute a limitation to the protection scope of the present invention.

[0014] Such as figure 1 The directional pronunciation device shown includes a cabinet divided into several identical cells 1, and the cells 1 are arranged in a 2x3 matrix in this embodiment.

[0015] see figure 2 , in each cell 1, a sounder assembly is fixedly arranged, and the sounder assembly includes a sound wave guide inner tube 2 and a coaxial sound wave guide outer tube 3 that is sleeved outside the sound wave guide inner tube and is arranged on the sound wave guide The sounding element in the inner tube.

[0016] A support bracket 13 is arranged outside the inner tube of the sound wave guide, and the inner peripheral surface of the outer tube of the sound wave guide is supported and ...

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Abstract

The invention discloses a directional sounding device, which comprises a box divided into several identical cells, and a sounding device assembly is fixedly arranged in each cell, and the sounding device assembly includes a sound wave guiding inner tube and a coaxial casing The sound wave guide outer tube outside the sound wave guide inner tube and the sounding element arranged in the sound wave guide inner tube, the rear end of the sound wave guide outer tube is blocked by an arc-shaped rear cover. The device can make the sound propagate in a directional direction to the front.

Description

technical field [0001] The invention relates to a directional sound emitting device. Background technique [0002] Sound is sound waves produced by vibrating objects. In our daily life, sound plays an indispensable role: language enables people to communicate conveniently, and music can soothe people's mood. However, the sound has the characteristics of a wide range of propagation directions and a wide range of influence, which also causes some sounds to affect the surrounding people while being transmitted to the target receiver. For example, the accompaniment music on the outdoor square is likely to affect the rest of nearby residents. Contents of the invention [0003] The object of the present invention is to provide a directional sound emitting device to restrict the propagation direction of the sound emitted by the device. [0004] The directional pronunciation device of the present invention comprises the box body that is divided into several identical units, and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04R1/32
Inventor 孙卫伟徐小慧陈卓顾培皓
Owner SOUTHWEST UNIV