CN202736283U - Electro-magnetic induction audio wireless connection system - Google Patents
Electro-magnetic induction audio wireless connection system Download PDFInfo
- Publication number
- CN202736283U CN202736283U CN 201220375721 CN201220375721U CN202736283U CN 202736283 U CN202736283 U CN 202736283U CN 201220375721 CN201220375721 CN 201220375721 CN 201220375721 U CN201220375721 U CN 201220375721U CN 202736283 U CN202736283 U CN 202736283U
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- 230000005674 electromagnetic induction Effects 0.000 title claims abstract description 31
- 230000003321 amplification Effects 0.000 claims abstract description 25
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 25
- 230000001939 inductive effect Effects 0.000 claims abstract description 8
- 238000004891 communication Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000051 modifying Effects 0.000 description 1
Abstract
The utility model relates to an electro-magnetic induction audio wireless connection system and belongs to the field of network communication. The electro-magnetic induction audio wireless connection system comprises a handheld device, an electro-magnetic induction converting unit, a pre-amplification electric circuit unit, a power amplifier circuit unit, a signal output circuit unit and a sounder loudspeaker. The pre-amplification electric circuit unit is respectively connected with the electro-magnetic induction converting unit, the power amplifier circuit unit and the signal output circuit unit. The electro-magnetic induction converting unit is composed of an induction coil. The handheld device can be a mobile phone or an MP3 or an MP4 or a tablet computer, is close to the induction coil, and is connected with the electro-magnetic induction converting unit in wireless mode. The signal output circuit unit is provided with a signal output port, and the power amplifier circuit unit drives the sounder loudspeaker to play music. When the handheld device is close to a device which is needed to be connected with the handheld device, an audio wireless connection can be achieved. Complicated settings and adjustment are unnecessary. The electro-magnetic induction audio wireless connection system can be used directly with no need for an additional wire connection. The electro-magnetic induction audio wireless connection system has the advantages of being low in scheme cost and convenient for the users to use.
Description
Technical field:
The utility model relates to a kind of electromagnetic induction audio wireless connected system, belongs to network communication field.
Technical background:
We know, it is a very good concept that wireless connect technology is used, also realize now commercialization, particularly application popularization use of audio wireless interconnection technique, the mobile phone that picture is present, MP3, wireless telephone, intercom etc. handheld device, all be to use frequency electromagnetic waves to modulate wireless afterwards transmission, as: bluetooth, WIFI, 2.4G wireless module, gsm module, the FM88-108M frequency-modulated wave finds to use some trouble in the life, need to regulate receive frequency, to code, connect also will to arrange as bluetooth and match, input password etc. step adds with these frequency electromagnetic waves and does the audio frequency connection, the receiving circuit receiving end, send out and establish the terminal circuit complexity, cost is higher.
The utility model content:
The utility model provides a kind of electromagnetic induction audio wireless connected system, and handheld device directly is put into the connection that just can realize ANTENN AUDIO on the equipment of required connection.
A kind of electromagnetic induction audio wireless of the utility model connected system; Comprise that handheld device, electromagnetic induction converting unit, pre-amplification circuit unit, power amplification circuit unit, signal output apparatus unit, sounding loudspeaker form, it is characterized in that described pre-amplification circuit unit is connected with electromagnetic induction converting unit, power amplification circuit unit, signal output apparatus unit respectively.
Described electromagnetic induction converting unit is comprised of inductive coil; Described handheld device comprises mobile phone, MP3, MP4, panel computer, near inductive coil and the wireless connections of electromagnetic induction converting unit.
Described signal output apparatus unit is provided with signal output port; Described power amplification circuit unit promotes the sounding loudspeaker music playing.
Owing to adopted above structure, the utlity model has following distinguishing feature and useful effect: handheld device directly is put into or near the connection that just can realize ANTENN AUDIO on the product facility of required connection, do not need complicated setting, adjusting, do not need other line, just can directly use, the scheme cost is low, is user-friendly to.
Description of drawings
Fig. 1 is the workflow schematic diagram of a kind of embodiment of the utility model.
Among the figure: 1, handheld device; 2 electromagnetic induction converting units; 3 pre-amplification circuit unit; 4 power amplification circuit unit; 5 signal output apparatus unit; 6 sounding loudspeakers; 7 inductive coils.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
As shown in Figure 1, the utility model is a kind of electromagnetic induction audio wireless connected system, comprise that handheld device 1, electromagnetic induction converting unit 2, pre-amplification circuit unit 3, power amplification circuit unit 4, signal output apparatus unit 5, sounding loudspeaker 6 form, described pre-amplification circuit unit 3 is connected with electromagnetic induction converting unit 2, power amplification circuit unit 4, signal output apparatus unit 5 respectively.
Described electromagnetic induction converting unit 2 is comprised of inductive coil 7, described handheld device 1 comprises mobile phone, MP3, MP4, panel computer, handheld device 1 is near the proximity wireless connections of electromagnetic induction converting unit 2 by the wireless use of undesirable mutual electromagnetic inductance, electromagnetic induction converting unit 2 will connect pre-amplification circuit unit 3 with the amplification of its signal after will converting from the electromagnetic wave signal of handheld device 1 audio electrical signal to, pre-amplification circuit unit 3 connects respectively again power amplification circuit unit 4, signal output apparatus unit 5, connect 4 rear power amplification circuit unit, power amplification circuit unit promotion sounding loudspeaker 6 and can play-over music, pre-amplification circuit unit 3 connects signal output apparatus unit 5, signal output apparatus unit 5 is provided with signal output port, and exportable signal is to the use of miscellaneous equipment.
Claims (3)
1. electromagnetic induction audio wireless connected system, comprise handheld device, electromagnetic induction converting unit, pre-amplification circuit unit, power amplification circuit unit, signal output apparatus unit, sounding loudspeaker, it is characterized in that described pre-amplification circuit unit is connected with electromagnetic induction converting unit, power amplification circuit unit, signal output apparatus unit respectively.
2. a kind of electromagnetic induction audio wireless connected system according to claim 1 is characterized in that described electromagnetic induction converting unit is comprised of inductive coil; Described handheld device comprises mobile phone, MP3, MP4, panel computer, near inductive coil and the wireless connections of electromagnetic induction converting unit.
3. a kind of electromagnetic induction audio wireless connected system according to claim 1 is characterized in that described signal output apparatus unit is provided with signal output port; Described power amplification circuit unit promotes the sounding loudspeaker music playing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220375721 CN202736283U (en) | 2012-07-31 | 2012-07-31 | Electro-magnetic induction audio wireless connection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220375721 CN202736283U (en) | 2012-07-31 | 2012-07-31 | Electro-magnetic induction audio wireless connection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202736283U true CN202736283U (en) | 2013-02-13 |
Family
ID=47661961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220375721 Expired - Fee Related CN202736283U (en) | 2012-07-31 | 2012-07-31 | Electro-magnetic induction audio wireless connection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202736283U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013185524A1 (en) * | 2012-06-15 | 2013-12-19 | 威立达数码科技(深圳)有限公司 | Magnetic induction audio equipment |
| CN104768109B (en) * | 2015-03-31 | 2019-03-15 | 歌尔股份有限公司 | A kind of loudspeaker mould group |
-
2012
- 2012-07-31 CN CN 201220375721 patent/CN202736283U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013185524A1 (en) * | 2012-06-15 | 2013-12-19 | 威立达数码科技(深圳)有限公司 | Magnetic induction audio equipment |
| CN104768109B (en) * | 2015-03-31 | 2019-03-15 | 歌尔股份有限公司 | A kind of loudspeaker mould group |
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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: 20130213 Termination date: 20130731 |