CN202385268U - Active loudspeaker box - Google Patents
Active loudspeaker box Download PDFInfo
- Publication number
- CN202385268U CN202385268U CN2011205461472U CN201120546147U CN202385268U CN 202385268 U CN202385268 U CN 202385268U CN 2011205461472 U CN2011205461472 U CN 2011205461472U CN 201120546147 U CN201120546147 U CN 201120546147U CN 202385268 U CN202385268 U CN 202385268U
- Authority
- CN
- China
- Prior art keywords
- display screen
- card
- controller
- card reader
- audio amplifier
- 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
Images
Landscapes
- Telephone Function (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
The utility model discloses an active loudspeaker box, which comprises a loudspeaker (1) and an amplifier circuit (5) which are connected, and further comprises a USB interface (6) or/and a SD card interface (7), a controller (8), a MP3 decoder (9), a card reader (10) and a display screen (11); the USB interface (6) or/and the SD card interface (7) is or are connected with the controller (8) which is connected with the MP 3 decoder (9),the MP 3 decoder (9) is connected with the card reader (10) which is connected with the display screen (11), and the controller (8) is also connected with the display screen (11). The active loudspeaker supports the decoding of USB or/and SD, and is capable of achieving the input diversity of the loudspeaker box.
Description
Technical field
The utility model relates to a kind of active audio amplifier.
Background technology
At present, allegro life makes People more and more recognize that suitable amusement is very effective to alleviating living pressure, and therefore, the abstract the recreational consumption of family is in quick growth, and stereo set is also more and more universal.At present traditional audio amplifier all is that function of use is single as external playback equipment, and power amplifier will connect CD or DVD or computer and could play when playing.This audio amplifier only is applicable to home theater or a certain fixed-site, uses and is limited to, and source of sound input style is limited.
The utility model content
The technical problem that the utility model will solve is, a kind of USB of support is provided or/and the active audio amplifier of SD decoding, and this active audio amplifier can be realized source of sound input variation.
The technical solution of the utility model is, a kind of active audio amplifier with following structure is provided, and comprises loudspeaker and power amplifier, and described loudspeaker are connected with power amplifier; Also comprise USB interface or/and SD card, controller, MP3 decoding device, card reader and display screen; Described USB interface or/and the SD card be connected with described controller; Described controller is connected with described MP3 decoding device; Described MP3 decoding device is connected with described card reader, and described card reader is connected with display screen, and described controller also is connected with display screen.
After adopting above structure, the active audio amplifier of the utility model compared with prior art has the following advantages:
Because the active audio amplifier of the utility model also comprises USB interface or/and SD card, controller, MP3 decoding device, card reader and display screen; USB interface can insert the USB portable hard drive or/and the SD card can be inserted the SD card, and the USB portable hard drive passes through the card reader reading of data then or/and the MP3 in the SD card and the music file of WMA form can be decoded out by the MP3 decoding device; Be presented on the display screen; Thereby can playing back music, very convenient, can realize the variation of source of sound input.
As a kind of improvement of the utility model, described power amplifier can be connected with mobile phone through data wire.After adopting this kind structure, can realize being connected of mobile phone and power amplifier, in mobile phone, operate, play back after directly can the music file in the mobile phone being amplified through power amplifier, further increase the source of sound pattern, simultaneously convenient people use.
Another kind as the utility model improves, and also comprises power supply and charging circuit, and described power supply is connected with charging circuit, and described charging circuit can be connected with mobile phone through data wire.After adopting this kind structure, in the time of through mobile phone to play music, can also charge to mobile phone.
Description of drawings
Fig. 1 is the blast structural representation of the active audio amplifier of the utility model.
Fig. 2 is the circuit block diagram of the active audio amplifier of the utility model.
Shown in the figure: 1, loudspeaker, 2, protecgulum, 3, bonnet, 4, power amplifier, 5, power amplifier, 6, USB interface, 7, the SD card, 8, controller, 9, the MP3 decoding device, 10, card reader, 11, display screen, 12, power supply, 13, charging circuit, 14, mobile phone.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is described further.
See also illustrated in figures 1 and 2ly, the active audio amplifier of the utility model comprises loudspeaker 1, protecgulum 2, bonnet 3 and power amplifier 4, and described protecgulum 2 fixes with bonnet 3.Described loudspeaker 1 are located on the described protecgulum 2.Described power amplifier 4 is located between described protecgulum 2 and the bonnet 3.Described active audio amplifier comprises that also power amplifier 5, USB interface 6 are or/and SD card 7, controller 8, MP3 decoding device 9, card reader 10 and display screen 11.In this specific embodiment, described active audio amplifier comprises USB interface 6 and SD card 7.Described USB interface 6 or/and SD card 7 be connected with described controller 8; Described controller 8 is connected with described MP3 decoding device 9; Described MP3 decoding device 9 is connected with described card reader 10; Described card reader 10 is connected with display screen 11, and described controller 8 also is connected with display screen 11.Described power amplifier 5 can be connected with mobile phone 14 through data wire.In this specific embodiment, described active audio amplifier is equipped with the special-purpose data wire of an ipod/phone series, can make things convenient for power amplifier 5 to be connected with ipod/phone series.
The active audio amplifier of the utility model also comprises power supply 12 and charging circuit 13, and described power supply 12 is connected with charging circuit 13, and described charging circuit 13 can be connected with mobile phone 14 through data wire.Described power supply 12 is a built-in power, is exclusively used in mobile phone is charged.
During use; Can insert the USB portable hard drive or/and SD card 7 is inserted the SD card at USB interface 6; Controller 8 can be given MP3 decoding device 9 with transfer of data, and the transfer of data after 9 pairs of data of MP3 decoding device are decoded and will be decoded is given card reader 10, and the data that card reader 10 reads can show on display screen 11; Display screen 11 can be realized human-computer dialogue, and the user can regulate active audio amplifier according to the personal preference; Data after 9 decodings of MP3 decoding device also can be transferred to power amplifier 5 simultaneously, play through loudspeaker 1 after 5 pairs of signals of power amplifier amplify, and make the user hear the music of oneself liking.
The active audio amplifier of the utility model also can be through being connected to come playing back music with mobile phone 14, and mobile phone 14 can be given power amplifier 5 with transmission of sound signals, plays through loudspeaker 1 after the signal of 5 pairs of receptions of power amplifier amplifies, and is very easy to use.
Described power amplifier, USB interface repeat no more at this or/and SD card, controller, MP3 decoding device, card reader and display screen etc. all are prior aries.
Claims (3)
1. an active audio amplifier comprises loudspeaker (1) and power amplifier (5), and described loudspeaker (1) are connected with power amplifier (5); It is characterized in that: also comprise USB interface (6) or/and SD card (7), controller (8), MP3 decoding device (9), card reader (10) and display screen (11); Described USB interface (6) or/and SD card (7) be connected with described controller (8); Described controller (8) is connected with described MP3 decoding device (9); Described MP3 decoding device (9) is connected with described card reader (10); Described card reader (10) is connected with display screen (11), and described controller (8) also is connected with display screen (11).
2. active audio amplifier according to claim 1 is characterized in that: described power amplifier (5) can be connected with mobile phone (14) through data wire.
3. active audio amplifier according to claim 2; It is characterized in that: also comprise power supply (12) and charging circuit (13); Described power supply (12) is connected with charging circuit (13), and described charging circuit (13) can be connected with mobile phone (14) through data wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205461472U CN202385268U (en) | 2011-12-23 | 2011-12-23 | Active loudspeaker box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205461472U CN202385268U (en) | 2011-12-23 | 2011-12-23 | Active loudspeaker box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202385268U true CN202385268U (en) | 2012-08-15 |
Family
ID=46633738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205461472U Expired - Fee Related CN202385268U (en) | 2011-12-23 | 2011-12-23 | Active loudspeaker box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202385268U (en) |
-
2011
- 2011-12-23 CN CN2011205461472U patent/CN202385268U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TW201240268A (en) | Multimedia player with battery backup power | |
| CN102098604A (en) | Mobile phone Bluetooth sound box based on Bluetooth file transfer protocol | |
| CN202907130U (en) | Card type bluetooth sound box | |
| CN202385268U (en) | Active loudspeaker box | |
| CN201134257Y (en) | On-vehicle DVD system | |
| CN202374410U (en) | Active sound box capable of connecting with cell phone | |
| CN204681574U (en) | A kind of high-fidelity wifi sound equipment | |
| CN204010687U (en) | Bookshelf audio amplifier can't harm music player | |
| CN201590807U (en) | Power amplifier with playing function of MP3 (Moving Picture Experts Group Audio Layer-3) | |
| CN202339704U (en) | Multifunctional carry-on karaoke player | |
| CN202996293U (en) | Music playing device with recording function | |
| CN105321543A (en) | Player with identity recognition function | |
| CN201114769Y (en) | Sound box with playing and power amplification effect | |
| CN201845551U (en) | Portable multifunctional music player | |
| CN204884569U (en) | A LED screen that is shaded that is used for super continuation of journey mini stereo set of can recording | |
| CN203616996U (en) | Portable digital audio player | |
| CN204334930U (en) | A kind of sound circuit system | |
| CN202771796U (en) | Portable vocal accompaniment device | |
| CN100557700C (en) | Digital code player with Kara OK function | |
| CN203387633U (en) | Sound device | |
| CN205883528U (en) | Adopt wifi stereo set of D class digit power amplifier | |
| CN201745366U (en) | Digital audio player craftwork | |
| CN202796054U (en) | Tape walkman | |
| CN203360885U (en) | Clothes airing machine with Bluetooth broadcasting function | |
| CN202758602U (en) | An electronic organ equipped with a MP3 playing device and an electronic piano equipped with a MP3 playing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120815 Termination date: 20191223 |