CN203327218U - Portable stereo supporting NFC identification - Google Patents
Portable stereo supporting NFC identification Download PDFInfo
- Publication number
- CN203327218U CN203327218U CN2013203277125U CN201320327712U CN203327218U CN 203327218 U CN203327218 U CN 203327218U CN 2013203277125 U CN2013203277125 U CN 2013203277125U CN 201320327712 U CN201320327712 U CN 201320327712U CN 203327218 U CN203327218 U CN 203327218U
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- master chip
- audio
- portable audio
- identifies
- connects
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- 238000000034 method Methods 0.000 claims description 19
- 238000004891 communication Methods 0.000 abstract description 2
- 102100024044 Aprataxin Human genes 0.000 description 2
- 101000757586 Homo sapiens Aprataxin Proteins 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model relates to a portable stereo supporting NFC identification. The portable stereo comprises a main chip and an audio processor which is connected with the main chip. The output interface of the audio processor is successively connected with an amplifier and a loudspeaker. The main chip is further connected with an NFC identification module and a battery group which powers each module. The battery group is connected with a charging circuit. The charging circuit is provided with an adapter interface, is connected with the main chip, and is controlled by the main chip. According to the utility model, the portable stereo supporting NFC identification comprises the NFC identification module and has an NFC function (near field communication), so that a connection operation step can be simplified and the use is easy; when another device with the NFC function is close to the stereo, automatic connection can be realized through Bluetooth; and a user simply needs to choose a music file to carry out playback, and outputting from the stereo is carried out.
Description
Technical field
The utility model relates to sound equipment, particularly a kind of portable audio of supporting NFC identification.
Background technology
The portable audio that existing support bluetooth connects in the market needs manual search and arranges comparatively loaded down with trivial details when function connects, can not charge to smart mobile phone, can not be by the sound of TV by this sound equipment output, whole inconvenience, the hommization deficiency used of client.
The utility model content
For overcoming the shortcomings and deficiencies of above-mentioned prior art, the utility model provides a kind of portable audio of the NFC of support identification.
The technical solution adopted in the utility model is:
A kind of portable audio of supporting NFC identification, comprise master chip and the audio process be connected with master chip, and the audio process output interface connects amplifier and loud speaker successively, and described master chip also is connected with the NFC identification module.
Also be included as the battery pack of each module for power supply, described battery pack is connected with charging circuit, and charging circuit is provided with adaptor interface, and connects master chip, acceptor's chip controls; Battery pack is provided with the battery quantifier, and the battery quantifier connects master chip.
Preferably, described master chip also is connected with USB interface, bluetooth module.Described bluetooth module connects audio process.
Further preferred, described audio process also is connected with the AUX interface.
Concrete, described battery pack connects amplifier by the synchronizing voltage transducer; Audio process connects the synchronizing voltage transducer by comparator.Described master chip connects amplifier.
Further preferred, described loud speaker is provided with two loudspeaker.
Compared with prior art, the beneficial effects of the utility model have:
(1) portable audio of support NFC described in the utility model identification, comprise the NFC identification module, there is NFC function (wireless near field communication), can simplify the attended operation step like this, use simpler, can be by bluetooth from being dynamically connected when close this sound equipment of other equipment with NFC function, the user only need select music file to play can be from this sound equipment output;
(2) portable audio of support described in the utility model NFC identification, be included as the battery pack of each module for power supply, and battery pack is connected with charging circuit, can be charged for battery pack, can use anywhere or anytime sound equipment, reaches the portable purpose of sound equipment;
(3) portable audio of support NFC described in the utility model identification, be provided with the USB interface, can be charged for mobile devices such as mobile phones, thereby can use out of doors the time of mobile phone longer;
(4) portable audio of support NFC described in the utility model identification, be provided with the AUX interface, for the equipment that there is no Bluetooth function, can be connected by wire rod, and the audio frequency of other equipment is exported by this sound equipment.
The accompanying drawing explanation
Fig. 1 is the internal structure schematic diagram of the portable audio of support NFC described in the utility model identification.
Embodiment
For the ease of those skilled in the art's understanding, below in conjunction with specific embodiment and accompanying drawing, the utility model theory of constitution is described in further detail.
As shown in Figure 1, the portable audio of support NFC described in the utility model identification, comprise master chip and the audio process be connected with master chip, the audio process output interface connects amplifier and loud speaker successively, audio process is amplified by amplifier after to Digital Signal Processing, by loud speaker, play, described master chip also is connected with NFC identification module and bluetooth module, can be by bluetooth from being dynamically connected when close this sound equipment of other equipment with NFC function, the user only need select music file to play can be from this sound equipment output.
The utility model also is included as the battery pack of each module for power supply, and described battery pack is connected with charging circuit, and charging circuit is provided with adaptor interface, and connects master chip, acceptor's chip controls; Battery pack is provided with the battery quantifier, and the battery quantifier connects master chip.The battery quantifier is added up the information about power of battery pack at any time, sends to master chip, and after battery is full of, master chip is controlled charging circuit, stops charging.
Described master chip also is connected with USB interface, can be the charging of mobile devices such as mobile phone.
Described bluetooth module also directly connects audio process, and the upper audio file of other equipment is exported by this sound equipment.
Described audio process also is connected with the AUX interface, for the equipment that there is no Bluetooth function, can be connected by wire rod, and the audio frequency of other equipment is exported by this sound equipment.
Described battery pack connects amplifier by the synchronizing voltage transducer; Audio process connects the synchronizing voltage transducer by comparator.Described master chip connects amplifier.Described loud speaker is provided with two loudspeaker, makes output have more third dimension.
Audio process of the present utility model is used the APTX encoding and decoding technique, and its audio frequency has characteristics:
Audio format: 16-bit, 44.1khz;
Data transfer rate: 352kbps;
Frequency response: 10Hz is to 22khz;
Time delay: be less than 1.89ms when sample rate is 45kHz;
THD+N：-68.8dB；
Dynamic range: 16-bit > 92dB;
Use the APTX encoding and decoding technique, can make audio reach the tonequality of CD.
It should be noted that, not breaking away from any minor variations of under the utility model design prerequisite, it being done and being equal to replacement, all should belong to protection range of the present utility model.
Claims (10)
1. a portable audio of supporting NFC identification, comprise master chip and the audio process be connected with master chip, and the audio process output interface connects amplifier and loud speaker successively, it is characterized in that: described master chip also is connected with the NFC identification module.
2. the portable audio that support NFC according to claim 1 identifies, it is characterized in that: also be included as the battery pack of each module for power supply, described battery pack is connected with charging circuit, and charging circuit is provided with adaptor interface, and connects master chip, acceptor's chip controls.
3. the portable audio that support NFC according to claim 2 identifies, it is characterized in that: described master chip also is connected with USB interface.
4. the portable audio that support NFC according to claim 2 identifies, it is characterized in that: described master chip also is connected with bluetooth module.
5. the portable audio of support NFC according to claim 4 identification, is characterized in that: described bluetooth module connection audio process.
6. the portable audio that support NFC according to claim 1 identifies, it is characterized in that: described audio process also is connected with the AUX interface.
7. the portable audio that support NFC according to claim 2 identifies, it is characterized in that: described battery pack is provided with the battery quantifier, and the battery quantifier connects master chip.
8. the portable audio that support NFC according to claim 2 identifies, it is characterized in that: described battery pack connects amplifier by the synchronizing voltage transducer; Audio process connects the synchronizing voltage transducer by comparator.
9. the portable audio of support NFC according to claim 1 identification, is characterized in that: described master chip connection amplifier.
10. the portable audio that support NFC according to claim 1 identifies is characterized in that:
Described loud speaker is provided with two loudspeaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203277125U CN203327218U (en) | 2013-06-07 | 2013-06-07 | Portable stereo supporting NFC identification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203277125U CN203327218U (en) | 2013-06-07 | 2013-06-07 | Portable stereo supporting NFC identification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203327218U true CN203327218U (en) | 2013-12-04 |
Family
ID=49666507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203277125U Expired - Fee Related CN203327218U (en) | 2013-06-07 | 2013-06-07 | Portable stereo supporting NFC identification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203327218U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107465585A (en) * | 2017-07-26 | 2017-12-12 | 广东美的制冷设备有限公司 | Method for information display and device |
-
2013
- 2013-06-07 CN CN2013203277125U patent/CN203327218U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107465585A (en) * | 2017-07-26 | 2017-12-12 | 广东美的制冷设备有限公司 | Method for information display and device |
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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: 20131204 Termination date: 20140607 |