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A portable wireless power amplifier

A portable and wireless technology, applied in the direction of sensor parts, sensors, electrical components, etc., can solve the problem of single interface input and the inability to select the priority of the input interface according to the occasion, and achieve rich input interfaces, wide application range, and fast response Effect

Active Publication Date: 2019-12-17
天玛科技(广东)股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The invention can realize small size, multi-function, good amplification effect, can be powered by alternating current and direct current, and is convenient for users to use; but its interface input is single, and the input interface cannot be prioritized according to the occasion

Method used

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  • A portable wireless power amplifier

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Such as figure 1 As shown, the portable wireless power amplifier of the present invention includes a portable casing, and the casing is provided with an external memory USB interface module, a plurality of microphone interfaces, a Bluetooth receiving and decoding module, a radio frequency receiving and decoding module, a network cable interface and a wireless routing networking module A plurality of said microphone interface output terminals are connected to the first data selection switch; said first data selection switch address terminal is connected with a first controller; said microphone interface output terminals are respectively parallel connected with a signal detection circuit; said signal The output end of the detection circuit is connected to the first controller; the output end of the first data selection switch is connected to the high-precision AD conversion module; the high-precision AD conversion module is connected to the total data selection switch;

...

Embodiment 2

[0027] In the portable wireless power amplifier of the present invention, the first controller, the second controller and the third controller are all electrically connected to the general controller; the general controller is electrically connected to a touch screen, and the priority can be arranged through the touch screen; first Arrange the priority of the total data selection switch, and then arrange the priority of the first to third data selection switches. When arranging, the page displays multiple levels, and there are interface selection buttons on the back side of the level. It is arranged from high priority to low priority, and can Independently close or open a data selection switch port.

Embodiment 3

[0029] In the portable wireless power amplifier of the present invention, the portable casing is provided with a flip cover on the touch screen.

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PUM

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Abstract

The invention discloses a portable wireless amplifier comprising a portable housing, wherein the housing is provided with an external memory USB interface module, multiple microphone interfaces, a Bluetooth receiving and decoding module, a radio frequency receiving and decoding module and a wireless routing networking module thereon; output ends of the multiple microphone interfaces are connected to a first data selection switch, and an address end of the first data selection switch is connected with a first controller; the output ends of the microphone interfaces are separately connected with a signal detection circuit; the output end of the signal detection circuit is connected to the first controller, the output end of the first data selection switch, is connected to a high-precision AD conversion module; and the high-precision AD conversion module is connected to a bus selection switch. The portable wireless amplifier disclosed by the invention has rich input interfaces, can select different interface priorities according to actual occasions without delaying in the priority selection process, can make fast response and is wide in application range.

Description

technical field [0001] The invention relates to a power amplifier, in particular to a portable wireless power amplifier, belonging to the technical field of power amplifiers. Background technique [0002] The power amplifier is used to amplify the weak signal from the audio source or pre-amplifier to drive the speaker to play, and it is widely used in daily life. With the development and progress of computer network technology, people are increasingly demanding power amplifiers that can amplify network audio digital signals. However, the current network audio uncompressed transmission and data audio power amplifier technologies only control audio equipment separately. , it is difficult to achieve the purpose of network audio digital power amplifier; in order to solve the above problems, Chinese patent application number: 201220337159.9 discloses a pull-out network digital power amplifier, which includes a box body and a cover plate, the box body has an inner cavity, and the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04R1/20H04R3/00
CPCH04R1/20H04R3/00H04R2420/03
Inventor 唐文海
Owner 天玛科技(广东)股份有限公司