CN203278826U - Audio wireless transmission system - Google Patents

Audio wireless transmission system Download PDF

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Publication number
CN203278826U
CN203278826U CN 201220659064 CN201220659064U CN203278826U CN 203278826 U CN203278826 U CN 203278826U CN 201220659064 CN201220659064 CN 201220659064 CN 201220659064 U CN201220659064 U CN 201220659064U CN 203278826 U CN203278826 U CN 203278826U
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CN
China
Prior art keywords
audio
coil
equipment
wireless transmission
wireless
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Active
Application number
CN 201220659064
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Chinese (zh)
Inventor
潘政民
朱秉科
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AAC Technologies Pte Ltd
Original Assignee
AAC Acoustic Technologies Shenzhen Co Ltd
AAC Optoelectronic Changzhou Co Ltd
Priority date (The priority date 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 date listed.)
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Application filed by AAC Acoustic Technologies Shenzhen Co Ltd, AAC Optoelectronic Changzhou Co Ltd filed Critical AAC Acoustic Technologies Shenzhen Co Ltd
Priority to CN 201220659064 priority Critical patent/CN203278826U/en
Application granted granted Critical
Publication of CN203278826U publication Critical patent/CN203278826U/en
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Abstract

The utility model provides an audio wireless transmission system. The audio wireless transmission system comprises a first device and a second device which are independent to each other. The first device is provided with a signal source and a wireless audio emission device. The second device is provided with a wireless audio reception device, an acoustic generator, and a wireless charging module. The wireless audio emission device converts electric signals of the signal source to first changing electromagnetic field. The wireless audio reception device induces the first changing electromagnetic field generated by the wireless audio emission device, generates corresponding electric signals, and outputs the electric signals to the acoustic generator. The acoustic generator converts the induced electric signals of the wireless audio reception device to corresponding sound. The audio wireless transmission system can transmit audio signals in a wireless manner.

Description

The audio wireless transmission system
[technical field]
The utility model relates to a kind of transmission system, specifically refers to a kind of wireless transmitting system.
[background technology]
At present, the function of mobile phone is more and more, and comprising listens to the music or see video in order to obtain better audio frequency effect, also can be connected mobile phone sometimes with miscellaneous equipment, such as audio amplifier.At present common is all to carry out wired the electrical connection with mobile phone with audio amplifier, in addition, present most cell-phone charging is all to be connected with cable power, such wired connection is cumbersome, and can limit the use of other function, arbitrarily walk about and receive calls etc. such as holding mobile phone, therefore, wired electrical connection causes many inconvenience to the user.
Therefore, be necessary to provide a kind of new audio wireless transmission system to solve the problems referred to above.
[utility model content]
Wireless transmitting system that can the wireless transmission audio signal when the purpose of this utility model is to provide a kind of wireless charging.
The technical solution of the utility model is as follows:
a kind of audio wireless transmission system, described audio wireless transmission system comprises mutually independently the first equipment and the second equipment, described the first equipment is provided with signal source and ANTENN AUDIO emitter, described the second equipment is provided with the ANTENN AUDIO receiving system, acoustical generator and wireless charging module, described ANTENN AUDIO emitter is converted into the signal of telecommunication of signal source in the first electromagnetic field of variation, the first electromagnetic field of the variation that described ANTENN AUDIO receiving system induction wireless audio emitting device produces, produce corresponding electrical signal of reaction, and output to described acoustical generator, described acoustical generator is converted into corresponding sound with the electrical signal of reaction of described ANTENN AUDIO receiving system.
Preferably, described ANTENN AUDIO emitter is provided with the first coil, and described the first coil is converted into the signal that receives in the electromagnetic field of variation.
Preferably, described ANTENN AUDIO receiving system is provided with the second coil, and the electromagnetic field of the variation that described second coil-induced the first coil produces produces corresponding electrical signal of reaction, and outputs to described acoustical generator.
Preferably, described ANTENN AUDIO receiving system is provided with the second coil, and described the second coil is the wireless charging module coil.
Preferably, described the second equipment is provided with the second frequency divider, and described the second frequency divider receives the electrical signal of reaction of the second coil, and with the electrical signal transfer after frequency division to acoustical generator.
Preferably, the loud speaker that described the first equipment also is provided with the first frequency divider and is connected with the first frequency divider, the first frequency divider part audio signal transmission after with frequency division is to described loud speaker, and the remainder audio signal transmission is to the ANTENN AUDIO emitter.
Preferably, described the first coil is positioned at the outside of described loud speaker.
Preferably, described the first coil is positioned at the inside of described loud speaker.
Preferably, described the first coil voice coil loudspeaker voice coil that is described loud speaker.
Preferably, described the first equipment is provided with the wireless charging receiver module.
Preferably, described the second equipment is wireless charger.
The beneficial effects of the utility model are: because the first equipment is provided with the ANTENN AUDIO emitter, the second equipment is provided with ANTENN AUDIO receiving system and acoustical generator, ANTENN AUDIO emitter and ANTENN AUDIO receiving system utilize the mode of mutual inductance to realize the wireless transmission of audio frequency, and finally be transferred to acoustical generator, realized the wireless transmission of the audio signal between two equipment.In addition, owing to being provided with wireless charging module in the second equipment, the second equipment carries out wireless charging can also for the first equipment or miscellaneous equipment.
[description of drawings]
Fig. 1 is the schematic diagram of the utility model audio wireless transmission system one embodiment;
Fig. 2 is the schematic diagram of another embodiment of the utility model audio wireless transmission system.
[embodiment]
Below in conjunction with drawings and embodiments, the utility model is further illustrated.
As shown in Figure 1, be the schematic diagram of audio wireless transmission system one embodiment of the present utility model, it comprises that mutually independently the first equipment 100 and the second equipment 200, the first equipment 100 send signal to second equipment 200 by the mode of wireless transmission.concrete, the first equipment 100 comprises signal source 11 and ANTENN AUDIO emitter 13, the second equipment 200 comprises ANTENN AUDIO receiving system 21 and acoustical generator 23, ANTENN AUDIO emitter 13 is converted into the signal of telecommunication of signal source 11 in the electromagnetic field of variation, the electromagnetic field of the variation that ANTENN AUDIO receiving system 21 induction wireless audio emitting devices 11 produce, and produce corresponding electrical signal of reaction, then output to acoustical generator 23, acoustical generator 23 is converted into corresponding sound with the electrical signal of reaction that ANTENN AUDIO receiving system 21 produces, the final purpose that realizes the audio signal wireless transmission.
Wherein, the first equipment 100 is mobile phone or other portable electric appts.ANTENN AUDIO emitter 13 in the first equipment has the first coil 131 and realizes that the signal of telecommunication with audio signal is converted into the function of the electromagnetic field of variation.Also be provided with the first frequency divider and loud speaker in the first equipment, the first frequency divider 12 receives the audio signal of signal source 11, audio signal is separated into the different pieces such as high pitch, middle pitch, bass, the part audio signal transmission is to loud speaker 14 and play back, remainder transfers to ANTENN AUDIO emitter 13, is then played back by acoustical generator 23 in the second equipment 200.In addition, the position of the first coil 131 is not limit, can also can be in the outside of loud speaker 14 in the inside of loud speaker 14, and in addition, the first coil 131 can be listening help circle, also can be near field communication antenna, even can be the voice coil loudspeaker voice coil of loud speaker 14.
In addition, the second equipment 200 can be wireless charger, ANTENN AUDIO in the second equipment 200 receives 21 devices and has the electromagnetic field that the second coil 210 realizes responding to the variation of the first coil 131 generations, produce corresponding electrical signal of reaction, and output to described acoustical generator 23, in other embodiments, the second coil can be used as the coil of wireless charging module 20.
In the present embodiment, also be provided with signal processing apparatus 22 between ANTENN AUDIO receiving system 21 and acoustical generator 23, signal processing apparatus 22 can also be provided with amplifier 222, and amplifier 222 amplifies audio signal, then sends acoustical generator 23 to, to obtain better tonequality.
In other embodiments, as shown in Figure 2, the first equipment 100 ' in also can not establish the first frequency divider and loud speaker, but in the second equipment 200 ' establish the second frequency divider 221, the whole signal source 11 of ANTENN AUDIO emitter 12 ' reception ', by the second equipment 200 ' in the second frequency divider 221 frequency divisions after, then by the second equipment 200 ' in acoustical generator 23 ' broadcast.
In addition, with reference to Fig. 1, can be provided with wireless charging receiver 10 in the first equipment 100, be provided with wireless charging module 20 in the second equipment 200, described wireless charging module 20 is connected to external power source, and produces the second electromagnetic field, the second electromagnetic field that described wireless charging receiver 10 induction wireless charging modules 20 produce, and produce corresponding induced current to the first equipment 100 chargings, complete thus the process to the first equipment 100 wireless chargings.Preferably, wireless charging module 20 is to have tertiary coil to realize the induced current emission, wireless charging receiver 10 has the 4th coil and realizes that induced current receives, and realizes faradic wireless transmission by producing corresponding electromagnetic induction between tertiary coil and the 4th coil.
In above-mentioned utility model audio wireless transmission system, first, second, third and fourth coil is formed around some circles or by the sheet metal of punching press by single-wire respectively, wherein, be provided with dielectric-slab in the first equipment 100, the first coil and tertiary coil are integrated on same dielectric-slab, then be sticked in the shell of mobile phone or on the cell panel of mobile phone, described dielectric-slab can be ferrite.And because the first coil and tertiary coil work in different frequency ranges, so the first coil and tertiary coil do not interfere with each other.
Therefore, not only can carry out the wireless transmission of audio signal between the first equipment 100 and the second equipment 200, the second equipment 200 carries out wireless charging can also for the first equipment 100.
In other embodiments, the first equipment 100 can not have wireless charging receiver 10, the second equipment 200 can not affect the wireless transmission of the audio signal between the first equipment 100 and the second equipment 200 to the miscellaneous equipment wireless charging beyond the first equipment 100.
Above-described is only execution mode of the present utility model; should be pointed out that for the person of ordinary skill of the art at this, under the prerequisite that does not break away from the utility model creation design; can also make improvement, but these all belong to protection range of the present utility model.

Claims (11)

1. audio wireless transmission system, it is characterized in that: described audio wireless transmission system comprises mutually independently the first equipment and the second equipment, described the first equipment is provided with signal source and ANTENN AUDIO emitter, described the second equipment is provided with the ANTENN AUDIO receiving system, acoustical generator and wireless charging module, described ANTENN AUDIO emitter is converted into the signal of telecommunication of signal source in the first electromagnetic field of variation, the first electromagnetic field of the variation that described ANTENN AUDIO receiving system induction wireless audio emitting device produces, produce corresponding electrical signal of reaction, and output to described acoustical generator, described acoustical generator is converted into corresponding sound with the electrical signal of reaction of described ANTENN AUDIO receiving system.
2. audio wireless transmission system according to claim 1, it is characterized in that: described ANTENN AUDIO emitter is provided with the first coil, and described the first coil is converted into the signal that receives in the electromagnetic field of variation.
3. audio wireless transmission system according to claim 2, it is characterized in that: described ANTENN AUDIO receiving system is provided with the second coil, the electromagnetic field of the variation that described second coil-induced the first coil produces produces corresponding electrical signal of reaction, and outputs to described acoustical generator.
4. audio wireless transmission system described according to claim, it is characterized in that: described ANTENN AUDIO receiving system is provided with the second coil, and described the second coil is the wireless charging module coil.
5. according to claim 3 or 4 described audio wireless transmission systems, it is characterized in that: described the second equipment is provided with the second frequency divider, described the second frequency divider receives the electrical signal of reaction of the second coil, and with the electrical signal transfer after frequency division to acoustical generator.
6. audio wireless transmission system according to claim 1, it is characterized in that: the loud speaker that described the first equipment also is provided with the first frequency divider and is connected with the first frequency divider, the part audio signal transmission of the first frequency divider after with frequency division is to described loud speaker, and the remainder audio signal transmission is to the ANTENN AUDIO emitter.
7. audio wireless transmission system according to claim 6, it is characterized in that: described the first coil is positioned at the outside of described loud speaker.
8. audio wireless transmission system according to claim 6, it is characterized in that: described the first coil is positioned at the inside of described loud speaker.
9. audio wireless transmission system according to claim 6, it is characterized in that: described the first coil is the voice coil loudspeaker voice coil of described loud speaker.
10. audio wireless transmission system according to claim 1, it is characterized in that: described the first equipment is provided with the wireless charging receiver module.
11. audio wireless transmission system according to claim 1 is characterized in that: described the second equipment is wireless charger.
CN 201220659064 2012-12-04 2012-12-04 Audio wireless transmission system Active CN203278826U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220659064 CN203278826U (en) 2012-12-04 2012-12-04 Audio wireless transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220659064 CN203278826U (en) 2012-12-04 2012-12-04 Audio wireless transmission system

Publications (1)

Publication Number Publication Date
CN203278826U true CN203278826U (en) 2013-11-06

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Application Number Title Priority Date Filing Date
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CN (1) CN203278826U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016119688A1 (en) * 2015-01-27 2016-08-04 深圳市魅动音响有限公司 Portable wireless charging speaker
CN110166083A (en) * 2019-05-15 2019-08-23 努比亚技术有限公司 A kind of audio frequency transmission method, system, terminal, wearable device and storage medium

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016119688A1 (en) * 2015-01-27 2016-08-04 深圳市魅动音响有限公司 Portable wireless charging speaker
CN110166083A (en) * 2019-05-15 2019-08-23 努比亚技术有限公司 A kind of audio frequency transmission method, system, terminal, wearable device and storage medium

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
TR01 Transfer of patent right

Effective date of registration: 20170512

Address after: Singapore Ang Mo Kio 65 Street No. 10 techpoint Building 1 floor, No. 8

Co-patentee after: AAC Optoelectronic (Changzhou) Co., Ltd.

Patentee after: AAC Technologies (Singapore) Co., Ltd.

Address before: Wujin Nanxiashu town Jiangsu city Changzhou province 213167

Co-patentee before: AAC Acoustic Technologies (Shenzhen) Co., Ltd.

Patentee before: AAC Optoelectronic (Changzhou) Co., Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20181126

Address after: No. 8, 2 floor, 85 Cavendish Science Park Avenue, Singapore

Patentee after: AAC Technologies (Singapore) Co., Ltd.

Address before: Singapore Ang Mo Kio 65 Street No. 10 techpoint Building 1 floor, No. 8

Co-patentee before: AAC Optoelectronic (Changzhou) Co., Ltd.

Patentee before: AAC Technologies (Singapore) Co., Ltd.

TR01 Transfer of patent right