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Miniature stereo

A sound, miniature technology, applied in the directions of loudspeakers, transducer circuits, transducer shells/cabinets/stands, etc., can solve problems such as inconvenient assembly

Inactive Publication Date: 2014-04-30
刘骏涛
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During assembly, the buttons need to be placed in the first escape hole one by one, but the buttons are small and inconvenient to assemble

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Such as figure 1 As shown in 4, the micro-acoustic includes a housing, a speaker 4 fixed in the housing, a circuit board and a battery 6 that provides power for the micro-acoustic; the housing includes an upper shell 1, a middle shell 2 and a lower shell 3, The horn 4 is fixed on the middle shell 2 with screws, the middle shell 2 is provided with a first annular protrusion surrounding the horn 4, and the inner wall of the upper shell 1 is provided with a closed ring which is sleeved on the first annular protrusion, and the closed The ring seals the speaker in the miniature speaker to form a closed front sound cavity, and the rear sound cavity is formed between the lower shell and the middle shell. The sound quality of the speakers. The circuit board includes a button circuit board 8 provided with a mode key, a previous song button, a next song button and a pause button, and the miniature audio system includes a button 9 for operating the button circuit board 8. key, t...

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PUM

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Abstract

The invention discloses a miniature stereo. The miniature stereo comprises a key circuit board provided with a mode key, an up arrow key, a down arrow key and a pause key, and a key used for operating the key circuit board. The key comprises buttons corresponding to the mode key, the up arrow key, the down arrow key and the pause key respectively and connection portions connecting the buttons. The miniature stereo comprises a middle case used for fixing a support of the key circuit board. The middle case is provided with first receding holes matched with the buttons. According to the miniature stereo, the buttons are connected through the connection portions to form the integrated key, so that assembly is convenient.

Description

technical field [0001] The invention relates to the field of audio, more specifically, to a miniature audio. Background technique [0002] I have designed a miniature audio system, which includes a housing, a speaker fixed in the housing, a circuit board and a battery that provides power for the miniature audio system; the housing includes an upper case, a middle case and a lower case, and the speaker is fixed on the On the middle shell, the middle shell is provided with a first annular protrusion surrounding the horn, and the inner wall of the upper shell is provided with a closed ring covering the first annular protrusion, and the closed ring seals the horn in the miniature sound box. A closed front sound cavity is formed, and a rear sound cavity is formed between the lower shell and the middle shell. The front sound cavity and the rear sound cavity cooperate to effectively improve the resonance effect of the subwoofer of the speaker and thus improve the sound quality of t...

Claims

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Application Information

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IPC IPC(8): H04R1/02H04R1/04
CPCH04R1/02H04R3/00H04R2400/00
Inventor 刘骏涛
Owner 刘骏涛