CN202998439U - Speaker box - Google Patents

Speaker box Download PDF

Info

Publication number
CN202998439U
CN202998439U CN 201220597436 CN201220597436U CN202998439U CN 202998439 U CN202998439 U CN 202998439U CN 201220597436 CN201220597436 CN 201220597436 CN 201220597436 U CN201220597436 U CN 201220597436U CN 202998439 U CN202998439 U CN 202998439U
Authority
CN
China
Prior art keywords
audio amplifier
circuit
speaker box
management circuit
audio
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201220597436
Other languages
Chinese (zh)
Inventor
吴军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHANGZHOU LENCITY INFORMATION TECHNOLOGY Co Ltd
Original Assignee
CHANGZHOU LENCITY INFORMATION TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CHANGZHOU LENCITY INFORMATION TECHNOLOGY Co Ltd filed Critical CHANGZHOU LENCITY INFORMATION TECHNOLOGY Co Ltd
Priority to CN 201220597436 priority Critical patent/CN202998439U/en
Application granted granted Critical
Publication of CN202998439U publication Critical patent/CN202998439U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a speaker box, comprising a power management circuit, an audio amplification circuit connected with the power management circuit and a loudspeaker connected with the audio amplification circuit, wherein the speaker box further comprises a bluetooth module connected with the input end of the audio amplification circuit and the power management circuit and provided with a receiving antenna. Without the audio cables, the speaker box disclosed by the utility model can be placed more freely and is suitable for matching use with the computer or the cellphone having the bluetooth function.

Description

Audio amplifier
Technical field
The utility model relates to a kind of audio amplifier, especially a kind of audio amplifier that there is no audio connecting cord.
Background technology
The audio amplifier that is complementary with computer has power line and tone frequency channel wire usually, and is sensuously more in disorder, and the putting position of audio amplifier also is subject to certain restrictions.
The utility model content
The technical problems to be solved in the utility model is: overcome the deficiency in prior art, a kind of audio amplifier that there is no audio connecting cord is provided.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of audio amplifier, comprise power supply management circuit, the audio amplifier circuit that is connected with the power supply management circuit, the loud speaker that is connected with audio amplifier circuit, also comprise the bluetooth module with reception antenna that is connected with audio amplifier circuit input, power supply management circuit respectively.
The beneficial effects of the utility model are: the audio amplifier that the utility model provides, there is no audio connecting cord, and its putting position has the larger degree of freedom, is fit to and has computer or the use of mobile phone coupling of Bluetooth function.
Description of drawings
Below in conjunction with drawings and embodiments, the utility model is further illustrated.
Fig. 1 is circuit block diagram of the present utility model.
In figure: 1. power supply management circuit; 2. bluetooth module; 3. audio amplifier circuit; 4. loud speaker.
Embodiment
By reference to the accompanying drawings the utility model is further described now.These accompanying drawings are the schematic diagram of simplification, basic structure of the present utility model only is described in a schematic way, so it only show the formation relevant with the utility model.
A kind of audio amplifier as shown in Figure 1, comprise power supply management circuit 1, the audio amplifier circuit 3 that is connected with power supply management circuit 1, the loud speaker 4 that is connected with audio amplifier circuit 3, also comprise the bluetooth module with reception antenna 2 that is connected with audio amplifier circuit 3 inputs, power supply management circuit 1 respectively.
Its principle is: the bluetooth module 2 with reception antenna sends audio amplifier circuit 3 to after the wireless audio signal that receives is processed, and audio amplifier circuit 3 is sent to loud speaker 4 with its amplification and plays.
Above-mentioned execution mode only is explanation technical conceive of the present utility model and characteristics; its purpose is to allow person skilled in the art scholar can understand content of the present utility model and be implemented; can not limit protection range of the present utility model with this; all equivalences of doing according to the utility model Spirit Essence change or modify, and all should be encompassed in protection range of the present utility model.

Claims (1)

1. audio amplifier, comprise power supply management circuit, the audio amplifier circuit that is connected with the power supply management circuit, the loud speaker that is connected with audio amplifier circuit, it is characterized in that: also comprise the bluetooth module with reception antenna that is connected with audio amplifier circuit input, power supply management circuit respectively.
CN 201220597436 2012-11-13 2012-11-13 Speaker box Expired - Fee Related CN202998439U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220597436 CN202998439U (en) 2012-11-13 2012-11-13 Speaker box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220597436 CN202998439U (en) 2012-11-13 2012-11-13 Speaker box

Publications (1)

Publication Number Publication Date
CN202998439U true CN202998439U (en) 2013-06-12

Family

ID=48569563

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220597436 Expired - Fee Related CN202998439U (en) 2012-11-13 2012-11-13 Speaker box

Country Status (1)

Country Link
CN (1) CN202998439U (en)

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130612

Termination date: 20131113