CN106572420A - Stereo optical wireless earphone - Google Patents
Stereo optical wireless earphone Download PDFInfo
- Publication number
- CN106572420A CN106572420A CN201610946200.5A CN201610946200A CN106572420A CN 106572420 A CN106572420 A CN 106572420A CN 201610946200 A CN201610946200 A CN 201610946200A CN 106572420 A CN106572420 A CN 106572420A
- Authority
- CN
- China
- Prior art keywords
- signal
- led
- optical signal
- filter
- earphone
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/033—Headphones for stereophonic communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B44/00—Circuit arrangements for operating electroluminescent light sources
Abstract
The invention discloses a stereo optical wireless earphone which comprises a signal emission part and a signal reception part. The emission part comprises an audio input interface, a first LED driving circuit, a first LED array, a second LED driving circuit and a second LED array; and the reception part comprises a first filter, a first solar cell panel, a left earphone, a second filter, a second solar cell panel and a right earphone. According to the stereoscopic acousto-optic wireless earphone, two LED arrays serve as an emitter, light of different wavebands is used to transmit sound signals of left and right sound channels, two receives are used for reception, the left and right sound channels do not interfere each other, an optical wireless earphone system with a stereo effect is realized, and the earphone is small in size, easy to carry and low in energy consumption.
Description
Technical field
The present invention relates to optical communication technique, more particularly to a kind of stereo optical wireless headset.
Background technology
Light wireless communication possesses uniqueness as a kind of emerging wireless communication technology in terms of short distance indoor wireless communication
Advantage.Light wireless communication frequency spectrum freedom, can alleviate the nervous pressure of wireless communication resources；Without electromagnetic interference, Ke Yiying
In many strict scenes for limiting electromagnetic signal.
LED has high-speed transitions performance so that its application is no longer limited to illumination, and extend to data transfer and communication
Field, and many kinds of luminescence bands of LED are optional, and for two paths of signals transmission possibility is provided.Simultaneously LED goes back as " green illumination "
With the advantage in terms of luminous efficiency height, life-span length, many energy-conserving and environment-protective such as low, volume weight is little of generating heat.
The content of the invention
Goal of the invention：The problem that the present invention exists for prior art, there is provided one kind modulates visible light communication for pixel
The image correction method of system, can reduce computation complexity, be greatly enhanced distorted signal restorability.
Technical scheme：Stereo optical wireless headset of the present invention, it is characterised in that：Including signal emission part and letter
Number receiving portion；Wherein：The emitting portion includes：For being input into the audio input interface of external audio frequency left and right acoustic channels, being used for
Carry out the first LED drive circuit of Audio Processing, the signal of telecommunication for the first LED drive circuit to be exported to audio frequency L channel to turn
It is changed to first band optical signal and the first LED array, the 2nd LED drives for carrying out Audio Processing to audio frequency R channel launched
Galvanic electricity road and for by the signal of telecommunication that the second LED drive circuit is exported be converted to second band optical signal and launch second
LED array；The receiving portion includes：First filter of optical signal beyond for filtering first band optical signal, for will
The optical signal of the first filter output is converted to the first solar panel of current signal, for by the first solar panel
The current signal of output carry out audio output left earphone, for filtering second band optical signal beyond optical signal second filtration
Piece, the second solar panel for the optical signal that the second filter is exported to be converted to current signal and for by
The current signal of two solar panels output carries out the right earphone of audio output.
Further, the receiving portion also includes the first passive high order filter circuit and the second passive high order filtered electrical
Road, the first passive high order filter circuit is used to be exported to a left side after being filtered the current signal of the first solar panel output
Earphone, the second passive high order filter circuit be used for the second solar panel output current signal be filtered after export to
Right earphone.
Further, the of the first band optical signal of first LED array transmitting and second LED array transmitting
The wave band of two wave band optical signals is different.Be conducive to receiving portion to be filtered respectively, and reduce between two sound channel transmission signals
Interference.
Further, first LED array and second LED array include respectively some LED, adopt between each LED
Connected with array manifold distribution.
Further, first filter plate is arranged at the first solaode plate surface, second filter plate
It is arranged at the second solaode plate surface.
Further, the receiving portion is integrated into a portable equipment.
Beneficial effect：Compared with prior art, its remarkable advantage is the present invention：
1st, the present invention is by the use of two groups of LED array as transmitter, and the light of different-waveband is respectively adopted to transmit left and right acoustic channels
Acoustical signal, and received with two sets of receivers, left and right acoustic channels do not interfere with each other, realize the light with stereophonic effect without
Line earphone system；
2nd, receiving portion solaode of the invention is used as electrooptical device, and adopts passive filtration unit,
Additional power source, therefore energy reducing energy consumption are not needed, extends the life-span；
3rd, receiving portion of the invention is integrated into a portable equipment, it is not necessary to external power supply can direct listening to audio, and
Small volume, integrated level are high, facilitate user to carry with.
Description of the drawings
Fig. 1 is the structured flowchart of embodiments of the invention 1；
Fig. 2 is the structural representation of audio input interface；
Fig. 3 is the circuit diagram of LED drive circuit；
Fig. 4 is the circuit diagram of LED array；
Fig. 5 is the pinoutss of earphone interface；
Fig. 6 is the structured flowchart of embodiments of the invention 2.
Specific embodiment
Embodiment 1
As shown in figure 1, the stereo optical wireless headset of the present embodiment includes signal emission part and signal receiving part point；Its
In, emitting portion includes audio input interface, the first LED drive circuit, the first LED array, the second LED drive circuit and second
LED array.Receiving portion includes the first filter, the first solar panel, left earphone, the second filter, the second solar energy
Cell panel and right earphone.
As shown in Fig. 2 audio input interface is three-section earphone plug, output has four wires, and two is L channel, two
Root is R channel, and audio input interface connects external audio source, the receiver J-Horner of such as computer or mobile phone.
As shown in figure 3, the first LED drive circuit and the second LED drive circuit internal circuit are consistent, specifically for audio frequency
The Audio Processing such as signal is amplified, noise reduction, filtering.First LED drive circuit is processed the audio frequency L channel being input into, the
Two LED drive circuits are processed the audio frequency R channel being input into.
As shown in figure 4, the first LED array and the second LED array circuit are consistent, respectively comprising some LED, between each LED
Connected using array manifold distribution.With the signal source of voltmeter reference number after LED drive circuit, be exaggerated and become in order to
In the form of ammeter reference number.The luminous intensity of LED is directly proportional within the specific limits to the size of current for flowing through, so now
The signal of telecommunication is successfully converted into optical signal, and propagates in space.The electricity that first LED array exports the first LED drive circuit
Signal is converted to first band optical signal, and the signal of telecommunication that the second LED drive circuit is exported is converted to the second ripple by the second LED array
Section optical signal.The ripple of the first band optical signal of the first LED array transmitting and the second band optical signal of the second LED array transmitting
Duan Butong, such as first band optical signal can be infrared lights, and second band optical signal can be blue light, beneficial to receiving portion root
It is filtered according to both wavelength differences.
First filter can filter optical signal beyond first band optical signal, and the second filter can filter second band
Optical signal beyond optical signal.For example when first band optical signal is infrared light, and second band optical signal is blue light, first filters
Piece can filter the signal beyond infrared signal, including blue light and noise etc., the second filter can filter blue light signals with
Outer signal, including infrared light and noise etc..First filter plate is arranged at the first solaode plate surface, and the second filter plate sets
It is placed in the second solaode plate surface.The optical signal that first filter is exported can be converted to electricity by the first solar panel
The optical signal that second filter is exported can be converted to current signal by stream signal, the second solar panel.
Left earphone and right earphone connect respectively the first solar panel and the second solar panel by earphone interface.
The current signal that first solar panel is exported can be carried out audio output by left earphone, and right earphone can be by the second solar energy
The current signal of cell panel output carries out audio output.Earphone interface is as shown in figure 5, No. 1 interfacing ground line, 2,3 connect respectively a left side
R channel.
Receiving portion is integrated into a portable equipment, compact, using solar energy as power supply, it is not necessary to extraneous power supply,
Volume is further reduced, facilitates user to carry.
Embodiment 2
As shown in fig. 6, the stereo optical wireless headset of the present embodiment is with the difference of embodiment 1：Receiving portion is also
Including the first passive high order filter circuit and the second passive high order filter circuit, the first passive high order filter circuit is used for first
The current signal of solar panel output is exported to left earphone after being filtered, and the second passive high order filter circuit is used for the
The current signal of two solar panels output is exported to right earphone after being filtered.
Claims (6)
1. a kind of stereo optical wireless headset, it is characterised in that：Including signal emission part and signal receiving part point；Wherein：
The emitting portion includes：For being input into the audio input interface of external audio frequency left and right acoustic channels, for audio frequency L channel
Carry out the first LED drive circuit of Audio Processing, for the signal of telecommunication that the first LED drive circuit is exported to be converted to into first band
Optical signal and launch the first LED array, the second LED drive circuit for carrying out Audio Processing to audio frequency R channel and
For the signal of telecommunication that the second LED drive circuit is exported to be converted to into second band optical signal and the second LED array launched；
The receiving portion includes：First filter of optical signal beyond for filtering first band optical signal, for by first
Filter output optical signal be converted to current signal the first solar panel, for by the first solar panel output
Current signal carry out audio output left earphone, for filtering second band optical signal beyond optical signal the second filter,
For the optical signal that the second filter is exported is converted to current signal the second solar panel and for by second too
The current signal of positive energy cell panel output carries out the right earphone of audio output.
2. stereo optical wireless headset according to claim 1, it is characterised in that：The receiving portion also includes the first nothing
Source high order filter circuit and the second passive high order filter circuit, the first passive high order filter circuit is used for the first solaode
The current signal of plate output is exported to left earphone after being filtered, and the second passive high order filter circuit is used for the second solar-electricity
The current signal of pond plate output is exported to right earphone after being filtered.
3. stereo optical wireless headset according to claim 1, it is characterised in that：The of first LED array transmitting
One wave band optical signal is different with the wave band of the second band optical signal that second LED array is launched.
4. stereo optical wireless headset according to claim 1, it is characterised in that：First LED array and described
Two LED array include respectively some LED, using array manifold distribution connection between each LED.
5. stereo optical wireless headset according to claim 1, it is characterised in that：First filter plate is arranged at described
First solaode plate surface, second filter plate is arranged at the second solaode plate surface.
6. stereo optical wireless headset according to claim 1, it is characterised in that：It is portable that the receiving portion is integrated into one
Equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610946200.5A CN106572420A (en) | 2016-10-26 | 2016-10-26 | Stereo optical wireless earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610946200.5A CN106572420A (en) | 2016-10-26 | 2016-10-26 | Stereo optical wireless earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106572420A true CN106572420A (en) | 2017-04-19 |
Family
ID=58534920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610946200.5A Pending CN106572420A (en) | 2016-10-26 | 2016-10-26 | Stereo optical wireless earphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106572420A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103117826A (en) * | 2013-02-01 | 2013-05-22 | 东南大学 | Voice broadcaster implemented by aid of visible light wireless communication |
| CN103532624A (en) * | 2013-10-01 | 2014-01-22 | 东北电力大学 | Short-distance optical wireless voice frequency transmission device |
| CN103795466A (en) * | 2013-08-02 | 2014-05-14 | 深圳光启创新技术有限公司 | Signal transmission method, apparatus, and system |
| CN104320188A (en) * | 2014-09-25 | 2015-01-28 | 北京广厦网络技术股份公司 | Stereo wireless transmission system |
| CN204482022U (en) * | 2015-02-15 | 2015-07-15 | 中山奥凯华泰电子有限公司 | visible light communication music earphone and visible light communication music playing system |
| US20160073191A1 (en) * | 2014-09-09 | 2016-03-10 | Voyetra Turtle Beach, Inc. | Passive headset with dynamically controlled leds |
-
2016
- 2016-10-26 CN CN201610946200.5A patent/CN106572420A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103117826A (en) * | 2013-02-01 | 2013-05-22 | 东南大学 | Voice broadcaster implemented by aid of visible light wireless communication |
| CN103795466A (en) * | 2013-08-02 | 2014-05-14 | 深圳光启创新技术有限公司 | Signal transmission method, apparatus, and system |
| CN103532624A (en) * | 2013-10-01 | 2014-01-22 | 东北电力大学 | Short-distance optical wireless voice frequency transmission device |
| US20160073191A1 (en) * | 2014-09-09 | 2016-03-10 | Voyetra Turtle Beach, Inc. | Passive headset with dynamically controlled leds |
| CN104320188A (en) * | 2014-09-25 | 2015-01-28 | 北京广厦网络技术股份公司 | Stereo wireless transmission system |
| CN204482022U (en) * | 2015-02-15 | 2015-07-15 | 中山奥凯华泰电子有限公司 | visible light communication music earphone and visible light communication music playing system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170419 |
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| RJ01 | Rejection of invention patent application after publication |