CN202998443U - Sound box with USB interface - Google Patents
Sound box with USB interface Download PDFInfo
- Publication number
- CN202998443U CN202998443U CN 201220689959 CN201220689959U CN202998443U CN 202998443 U CN202998443 U CN 202998443U CN 201220689959 CN201220689959 CN 201220689959 CN 201220689959 U CN201220689959 U CN 201220689959U CN 202998443 U CN202998443 U CN 202998443U
- Authority
- CN
- China
- Prior art keywords
- usb interface
- audio amplifier
- processor
- sound box
- flash memory
- 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
Links
- 230000000875 corresponding Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Abstract
The utility model discloses a sound box with a USB interface. The sound box comprises a USB interface, a processor and a speaker, and also comprises a flash memory card interface, a Bluetooth module and an audio amplifying circuit. The USB interface, the flash memory card interface and the Bluetooth module are respectively connected with the processor. An input end of the audio amplifying circuit is connected with the processor. An output end of the audio amplifying circuit is connected with the speaker. The sound box has the advantages that since the USB interface, the Bluetooth module, the flash memory card interface, an antenna and an FM radio receiving circuit are added, the functions of the sound box are increased, and more requirements of users can be satisfied.
Description
[technical field]
The utility model relates to a kind of audio amplifier with USB interface.
[background technology]
Along with the progress of science and technology, audio amplifier correlation technique reach its maturity and people to the more and more higher pursuit of audio amplifier tonequality, how improving audio amplifier tonequality is those skilled in the art's common pursuit.And the function of existing some audio amplifier is less, can not satisfy user's user demand.
[summary of the invention]
In order to solve the problems of the technologies described above, the utility model provides a kind of audio amplifier with USB interface, to increase the use function of audio amplifier.
A kind of audio amplifier with USB interface, comprise USB interface, processor and loudspeaker, also comprise flash memory card interface, bluetooth module and audio amplifier circuit, described USB interface, flash memory card interface and bluetooth module are connected with described processor and are connected, the input of described audio amplifier circuit is connected with processor, and the output of described audio amplifier circuit is connected with loudspeaker.
Preferably, also comprise antenna, FM broadcasting receiving circuit, the input of described FM broadcasting receiving circuit is connected with antenna, and the output of described FM broadcasting receiving circuit is connected with the input of audio amplifier circuit.
The beneficial effects of the utility model are: owing to having increased USB interface, bluetooth module, flash memory card interface, antenna, FM broadcasting receiving circuit, thereby increased the function of audio amplifier, can satisfy more demands of user.
[description of drawings]
Fig. 1 is the circuit block diagram of the audio amplifier with USB interface of an embodiment of the present invention.
[embodiment]
Below with reference to accompanying drawing, specific embodiment of the utility model is described in further detail.
As shown in Figure 1, the audio amplifier with USB interface of a kind of embodiment, comprise USB interface, processor and loudspeaker, also comprise flash memory card interface, bluetooth module and audio amplifier circuit, described USB interface, flash memory card interface and bluetooth module are connected with described processor and are connected, the input of described audio amplifier circuit is connected with processor, and the output of described audio amplifier circuit is connected with loudspeaker.
Also comprise antenna, FM broadcasting receiving circuit, the input of described FM broadcasting receiving circuit is connected with antenna, and the output of described FM broadcasting receiving circuit is connected with the input of audio amplifier circuit.
Bluetooth module receives the voice data that other bluetooth equipments transmit, and sends to processor, and processor sends to loudspeaker, thereby sounds.When flash memory card interface was plugged SD card or TF card, processor sent to loudspeaker, thereby sounds after filling and reading voice data in SD card or TF card.
The wireless signal of antenna reception FM broadcasting (FM), the FM broadcasting receiving circuit receives and obtains voice data, sends corresponding sound by loudspeaker.
Claims (2)
1. audio amplifier with USB interface, comprise USB interface, processor and loudspeaker, it is characterized in that: also comprise flash memory card interface, bluetooth module and audio amplifier circuit, described USB interface, flash memory card interface and bluetooth module are connected with described processor and are connected, the input of described audio amplifier circuit is connected with processor, and the output of described audio amplifier circuit is connected with loudspeaker.
2. the audio amplifier with USB interface as claimed in claim 1, it is characterized in that: also comprise antenna, FM broadcasting receiving circuit, the input of described FM broadcasting receiving circuit is connected with antenna, and the output of described FM broadcasting receiving circuit is connected with the input of audio amplifier circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220689959 CN202998443U (en) | 2012-12-13 | 2012-12-13 | Sound box with USB interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220689959 CN202998443U (en) | 2012-12-13 | 2012-12-13 | Sound box with USB interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202998443U true CN202998443U (en) | 2013-06-12 |
Family
ID=48569567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220689959 Expired - Fee Related CN202998443U (en) | 2012-12-13 | 2012-12-13 | Sound box with USB interface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202998443U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103607826A (en) * | 2013-11-29 | 2014-02-26 | 深圳市禹欣鑫电子有限公司 | Combined type flashlight |
-
2012
- 2012-12-13 CN CN 201220689959 patent/CN202998443U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103607826A (en) * | 2013-11-29 | 2014-02-26 | 深圳市禹欣鑫电子有限公司 | Combined type flashlight |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EXPY | Termination of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20151213 |