CN2909752Y - Portable miniature loudspeaker box - Google Patents
Portable miniature loudspeaker box Download PDFInfo
- Publication number
- CN2909752Y CN2909752Y CN 200520121641 CN200520121641U CN2909752Y CN 2909752 Y CN2909752 Y CN 2909752Y CN 200520121641 CN200520121641 CN 200520121641 CN 200520121641 U CN200520121641 U CN 200520121641U CN 2909752 Y CN2909752 Y CN 2909752Y
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- audio
- circuit
- audio amplifier
- interface
- output
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- Expired - Fee Related
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000005516 engineering process Methods 0.000 description 2
- 240000004859 Gamochaeta purpurea Species 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
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Abstract
A portable mini sound box consists of a pedestal, a fixed loudspeaker fixed on the pedestal, a charger arranged in the sound box to charge mobile phone, an audio input interface, a phone charging interface and a power interface to connect the outer power supply set on the sound box. Through the control circuit the charger and interfaces are under coordinated control. With the comprehensive advantages of phone charging, music player, phone hands-free and FM radio, simple structure, low production cost and convenience in use, the utility model is applicable to family mini-speaker combination and telephone conference. Users can listen to the music when charging; and set phone hands-free in order to ensure driving safety. The utility model is also provided with auxiliary input interfaces for connecting the external VCD, DVD, MP3 and LCDTV to play music.
Description
Technical field
The utility model relates to a kind of audio amplifier, specifically a kind of portable mini audio amplifier that is suitable for the mobile phone use.
Background technology
Information and development of electronic technology, mobile phone has obtained popularizing widely, the function of mobile phone is also more and more, as MP3 music playback function, film playing function etc., existing mobile phone is when playing these music or film, because the restriction of the volume of mobile phone self, sound is little, the audio distortion is very serious, and very big to the battery consumption of mobile phone, can not use for a long time.Simultaneously, the meeting answering cell phone was given with the adept machine of hand the time and is driven to cause very big potential safety hazard when the driver who drives drove through being everlasting.
The utility model content
The purpose of the utility model circuit provides a kind of portable mini audio amplifier that mobile phone uses that is suitable for.
According to the above-mentioned purpose requirement, the utility model is realized by the following technical solutions:
A kind of portable mini audio amplifier, comprise pedestal, be fixed with loudspeaker on the pedestal, in audio amplifier, be provided with the charger that mobile phone is charged, the power interface that also is provided with audio input interface, mobile phone charging interface and connects external power source on audio amplifier, charger and each interface are coordinated control by control circuit.
As further improvement of these options, in audio amplifier, also be provided with the FM radio device, make audio amplifier have wireless function.
The described control circuit of such scheme comprises and direct-connected charge management circuit of charging inlet and the audio frequency processing circuit that is connected with audio input interface.
Above-mentioned charge management circuit comprises the rectification circuit that directly is connected with rechargeable battery, the rectification circuit switching power circuit of connecting, and the switching power circuit output is connected with the electrical appliance charging inlet; Above-mentioned audio frequency processing circuit comprises an audio frequency input processing circuit that is connected with audio input interface, the audio frequency input processing circuit comprises a rectification circuit again, be in series with an Audio Processing IC behind the rectification circuit, be connected with audio amplifier circuit, audio output circuit in turn at Audio Processing IC output, the audio output circuit output is connected with the loudspeaker input.
Above-mentioned audio input interface can connect mobile phone and multiple equipment with audio output function.
The utility model integrates cell-phone charging, music, hands-free, the FM radio of mobile phone, simple in structure, production cost is low, easy to use, be fit to the mini audio amplifier combination of family, videoconference, but listen to the music while charging, can answer mobile phone is hands-free when driving for assurance journey safety, and be provided with auxiliary input interface, also can external VCD, DVD, playing back music such as MP3, LCDTV.
Description of drawings
Fig. 1 is the utility model preferred embodiment stereogram; Accompanying drawing 2 is this preferred embodiment rearview; Accompanying drawing 3 is this preferred embodiment end view; Accompanying drawing 4 is this preferred embodiment audio frequency processing circuit figure; Accompanying drawing 5 is this preferred embodiment charge management circuit figure.
Embodiment
For the ease of those skilled in the art's understanding, the utility model structural principle is described in further detail below in conjunction with specific embodiment and accompanying drawing:
Shown in accompanying drawing 1 to 3, it mainly comprises a pedestal 1, left and right sides loudspeaker 2 this preferred embodiment, and left and right sides loudspeaker 2 are fixed on pedestal 1 top, is provided with a charge position draw-in groove 6 that supplies mobile phone to charge in the middle of two loudspeaker.
One charger, rechargeable battery and a FM radio device also are installed in audio amplifier inside, above audio amplifier, are provided with FM radio device switch 3, charge switch 4 and loud minor adjustment button 5.The audio input interface 8 that also is provided with the power input interface 7 that is connected with internal charger in the back of audio amplifier and is used for the external audio signal input.For the mobile phone that makes various models is complementary, in charge position draw-in groove 6, except being provided with charging inlet, also be provided with another audio input interface.
Again as shown in Figure 4, audio frequency processing circuit mainly comprises an audio frequency input processing circuit that is connected with audio input interface, the audio frequency input processing circuit comprises a rectification circuit again, be in series with an Audio Processing IC behind the rectification circuit, be connected with audio amplifier circuit, audio output circuit in turn at Audio Processing IC output, the audio output circuit output is connected with the loudspeaker input.
Again as shown in Figure 5, charge management circuit mainly comprises a rectification circuit, and the rechargeable battery in rectification circuit input end and the audio amplifier is connected.Be connected with a switching power circuit at rectification circuit output end, the switching power circuit output is connected with the electrical appliance charging inlet.
Claims (5)
1. portable mini audio amplifier, comprise pedestal, be fixed with loudspeaker on the pedestal, it is characterized in that: in audio amplifier, be provided with the charger that mobile phone is charged, the power interface that also is provided with audio input interface, mobile phone charging interface and connects external power source on audio amplifier, charger and each interface are coordinated control by control circuit.
2. portable mini audio amplifier according to claim 1 is characterized in that: also be provided with a FM radio device in audio amplifier.
3. portable mini audio amplifier according to claim 2 is characterized in that: described control circuit comprises and direct-connected charge management circuit of charging inlet and the audio frequency processing circuit that is connected with audio input interface.
4. portable mini audio amplifier according to claim 3, it is characterized in that: described charge management circuit comprises the rectification circuit that directly is connected with rechargeable battery, the rectification circuit switching power circuit of connecting, the switching power circuit output is connected with the electrical appliance charging inlet.
5. portable mini audio amplifier according to claim 3, it is characterized in that: described audio frequency processing circuit comprises a rectification circuit that is connected with audio input interface, be in series with an Audio Processing IC behind the rectification circuit, be connected with audio amplifier circuit, audio output circuit in turn at Audio Processing IC output, the audio output circuit output is connected with the loudspeaker input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520121641 CN2909752Y (en) | 2005-12-31 | 2005-12-31 | Portable miniature loudspeaker box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520121641 CN2909752Y (en) | 2005-12-31 | 2005-12-31 | Portable miniature loudspeaker box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2909752Y true CN2909752Y (en) | 2007-06-06 |
Family
ID=38128961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520121641 Expired - Fee Related CN2909752Y (en) | 2005-12-31 | 2005-12-31 | Portable miniature loudspeaker box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2909752Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012048484A1 (en) * | 2010-10-13 | 2012-04-19 | 文创太阳能(福建)科技有限公司 | Mobile sound box telephone |
| CN103095909A (en) * | 2012-11-14 | 2013-05-08 | 浙江恒科实业有限公司 | Smart phone base stereo and sharing implementation method and channel switching method |
| CN103108263A (en) * | 2011-11-11 | 2013-05-15 | 梅庆开 | Bag-type speaker box |
| CN105451120A (en) * | 2015-12-08 | 2016-03-30 | 庞享 | Multifunctional handheld sound box |
| CN105451121A (en) * | 2015-12-08 | 2016-03-30 | 庞享 | Multifunctional sound box |
| CN106658291A (en) * | 2016-12-21 | 2017-05-10 | 捷开通讯(深圳)有限公司 | Audio device and method for switching stereo and single track external play |
| CN110267159A (en) * | 2019-05-08 | 2019-09-20 | 努比亚技术有限公司 | Audio frequency playing method, wearable device, cradle and readable storage medium storing program for executing |
-
2005
- 2005-12-31 CN CN 200520121641 patent/CN2909752Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012048484A1 (en) * | 2010-10-13 | 2012-04-19 | 文创太阳能(福建)科技有限公司 | Mobile sound box telephone |
| CN103108263A (en) * | 2011-11-11 | 2013-05-15 | 梅庆开 | Bag-type speaker box |
| CN103095909A (en) * | 2012-11-14 | 2013-05-08 | 浙江恒科实业有限公司 | Smart phone base stereo and sharing implementation method and channel switching method |
| CN105451120A (en) * | 2015-12-08 | 2016-03-30 | 庞享 | Multifunctional handheld sound box |
| CN105451121A (en) * | 2015-12-08 | 2016-03-30 | 庞享 | Multifunctional sound box |
| CN106658291A (en) * | 2016-12-21 | 2017-05-10 | 捷开通讯(深圳)有限公司 | Audio device and method for switching stereo and single track external play |
| CN110267159A (en) * | 2019-05-08 | 2019-09-20 | 努比亚技术有限公司 | Audio frequency playing method, wearable device, cradle and readable storage medium storing program for executing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20081219 Address after: No. 29-31, West Road, Shuikou Town, Shuikou Town, Guangdong, Huizhou, China: 516023 Patentee after: NIVS IntelliMedia Technology Group, Inc. Address before: Five hundred and sixteen thousand and twenty-three Patentee before: Li Tianfu |
|
| ASS | Succession or assignment of patent right |
Owner name: HUIZHOU CITY NIVS AUDIO-VISUAL TECHNOLOGY CO.LTD. Free format text: FORMER OWNER: LI TIANFU Effective date: 20081219 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070606 Termination date: 20111231 |