CN104902366A - Electroencephalogram alpha wave signal induction Bluetooth headset - Google Patents
Electroencephalogram alpha wave signal induction Bluetooth headset Download PDFInfo
- Publication number
- CN104902366A CN104902366A CN201510261919.0A CN201510261919A CN104902366A CN 104902366 A CN104902366 A CN 104902366A CN 201510261919 A CN201510261919 A CN 201510261919A CN 104902366 A CN104902366 A CN 104902366A
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- CN
- China
- Prior art keywords
- induction
- eegαwave
- eeg
- bluetooth earphone
- headset body
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Abstract
The invention discloses an electroencephalogram (EEG) alpha wave signal induction Bluetooth headset. A headset body comprises an EEG inductor, a filtering amplifying unit, a n analog-digital converter and an EEG acquisition processing chip which are orderly connected and distributed in a brain occipital area, wherein the filtering amplifying unit comprises a first amplifier for high impedance differential input, a wave trap, a low-pass filter, a band-pass filter and a second amplifier which are orderly connected; the headset body is the Bluetooth headset, a back-headset body comprises a left ear hook, a back-hanging element and a right ear hook which are fixedly connected in order; the EEG inductor is fixedly connected with the back-hanging element through a connecting rod; the EEG acquisition processing chip is in matched connection with a target terminal through the Bluetooth so as to communicate with each other. An EEG signal is detected through the Bluetooth headset so as to mutually and interactively communicate with the target terminal; the EEG is filtered and amplified through the filtering amplifying unit so that the EEG signal acquisition processing is more accurate.
Description
Technical field
The present invention relates to bluetooth earphone field, particularly relate to a kind of eegαwave induction of signal bluetooth earphone.
Background technology
Along with the development of brain wave detection technique is more and more perfect, brain wave detection technique can be applied in mutual field, computer terminal by we, responds to earphone, be directly transferred on target terminal by the idea of user by brain wave, meter terminal does not does not directly accept, and carries out the operation of user's idea.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of eegαwave induction of signal bluetooth earphone, make user directly can carry out corresponding action by brain wave control objectives terminal, manipulation is convenient.
The object of the invention is to be achieved through the following technical solutions: a kind of eegαwave induction of signal bluetooth earphone, comprise neck-band type earphone body and brain wave sensing unit, brain wave sensing unit comprises the brain wave inductor being distributed in brain occipital region connected successively, filter and amplification unit, analog to digital converter and acquiring brain waves process chip, described filter and amplification unit comprises the first amplifier of the high-impedance differential input connected successively, trapper, low pass filter, band pass filter and the second amplifier, described headset body is bluetooth earphone, acquiring brain waves process chip is connected with the control inputs port of target terminal with control output end mouth by bluetooth, headset body is connected with the audio output port of target terminal with audio input port by bluetooth.
Neck-band type earphone body comprises the left ear-hang be fixedly connected sequentially, rear mounted part and the auris dextra of hanging is hung, and brain wave inductor is fixedly connected with the rear mounted part that hangs by connecting rod.
Acquiring brain waves process chip is connected with the control inputs port of target terminal with control output end mouth by bluetooth, and headset body is connected with the audio output port of target terminal with audio input port by bluetooth.
Described trapper comprises the Chebyshev's band stop filter suppressing 50Hz power frequency component.
Described acquiring brain waves process chip comprises TMS320VC5402 chip.
Described control output end mouth is also connected with target terminal by a data line with audio input port.
Described headset body is also provided with USB interface, carries out exchanges data and charging by USB interface.
Described headset body is also provided with memory module or memory card slot, for storing brain wave data and other data.
Described headset body is also provided with managing electric quantity unit and battery alert unit.
The invention has the beneficial effects as follows:
1) the present invention has additional the brain wave inductor, filter and amplification unit, analog to digital converter and the acquiring brain waves process chip that are distributed in brain occipital region α ripple signal on bluetooth earphone, realize detecting eeg signal by bluetooth earphone, come to carry out mutual interactive communication with target terminal.
2) the present invention is inputted by high-impedance differential the first amplifier, trapper, low pass filter, band pass filter and the second amplifier carry out filter amplifying processing to brain wave, make eeg signal acquisition process more accurate.
Accompanying drawing explanation
Fig. 1 is the circuit block diagram of brain wave of the present invention induction bluetooth earphone;
Fig. 2 is the circuit block diagram of filter and amplification unit of the present invention.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail, but protection scope of the present invention is not limited to the following stated.
As shown in Figure 1, a kind of eegαwave induction of signal bluetooth earphone, comprise neck-band type earphone body and brain wave sensing unit, brain wave sensing unit comprises the brain wave inductor being distributed in brain occipital region connected successively, filter and amplification unit, analog to digital converter and acquiring brain waves process chip, described filter and amplification unit comprises the first amplifier of the high-impedance differential input connected successively, trapper, low pass filter, band pass filter and the second amplifier, described headset body is bluetooth earphone, acquiring brain waves process chip is connected with the control inputs port of target terminal with control output end mouth by bluetooth, headset body is connected with the audio output port of target terminal with audio input port by bluetooth.
Neck-band type earphone body comprises the left ear-hang be fixedly connected sequentially, rear mounted part and the auris dextra of hanging is hung, and brain wave inductor is fixedly connected with the rear mounted part that hangs by connecting rod.
Headset body also can comprise mobile communication module, is intercomed mutually by mobile communication wireless network and target terminal, and region restriction is less, can carry out remote interaction control whenever and wherever possible.
Acquiring brain waves process chip is connected with the control inputs port of target terminal with control output end mouth by bluetooth, and headset body is connected with the audio output port of target terminal with audio input port by bluetooth.
Headset body is also provided with USB interface, carries out exchanges data and charging by USB interface, headset body is also provided with memory module or memory card slot, for storing brain wave data and other data.
Described control output end mouth is also connected with target terminal by a data line with audio input port.
Described headset body also comprises managing electric quantity unit and battery alert unit, managing electric quantity unit is for managing the power supply of headset body and detecting power supply surplus, when power supply surplus is lower than predetermined threshold value, managing electric quantity unit carries out alarm by battery alert unit.
As shown in Figure 2, described filter and amplification unit comprises the first amplifier, trapper, low pass filter, band pass filter and the second amplifier that connect successively.
Described trapper comprises the Chebyshev's band stop filter suppressing 50Hz power frequency component.
Described acquiring brain waves process chip comprises TMS320VC5402 chip.
In the present invention, brain wave inductor detects induction brain wave α ripple signal, and send to the first amplifier tentatively to amplify process this eeg signal, again through interference and the noise of 50Hz trapper filtering 50Hz, carry out further filtering finally by low pass filter, band pass filter and the second amplifier and amplify process, the eeg signal exported after optimizing carries out data acquisition to acquiring brain waves process chip.
Multichannel eeg signal is separated into the pulse signal of a road serial through multidiameter option switch, then after analog-to-digital conversion, carries out data acquisition by first processor.
Claims (7)
1. an eegαwave induction of signal bluetooth earphone, it is characterized in that: comprise neck-band type earphone body and brain wave sensing unit, brain wave sensing unit comprises the brain wave inductor being distributed in brain occipital region connected successively, filter and amplification unit, analog to digital converter and acquiring brain waves process chip, described filter and amplification unit comprises the first amplifier of the high-impedance differential input connected successively, trapper, low pass filter, band pass filter and the second amplifier, described headset body is bluetooth earphone, acquiring brain waves process chip is connected with the control inputs port of target terminal with control output end mouth by bluetooth, headset body is connected with the audio output port of target terminal with audio input port by bluetooth,
Neck-band type earphone body comprises the left ear-hang be fixedly connected sequentially, rear mounted part and the auris dextra of hanging is hung, and brain wave inductor is fixedly connected with the rear mounted part that hangs by connecting rod.
2. a kind of eegαwave induction of signal bluetooth earphone according to claim 1, is characterized in that: described trapper comprises the Chebyshev's band stop filter suppressing 50Hz power frequency component.
3. a kind of eegαwave induction of signal bluetooth earphone according to claim 1, is characterized in that: described acquiring brain waves process chip comprises TMS320VC5402 chip.
4. a kind of eegαwave induction of signal bluetooth earphone according to claim 1, is characterized in that: described control output end mouth is also connected with target terminal by a data line with audio input port.
5. a kind of eegαwave induction of signal bluetooth earphone according to claim 1, is characterized in that: described headset body is also provided with USB interface, carries out exchanges data and charging by USB interface.
6. a kind of eegαwave induction of signal bluetooth earphone according to claim 1, is characterized in that: described headset body is also provided with memory module or memory card slot, for storing brain wave data and other data.
7. a kind of eegαwave induction of signal bluetooth earphone according to claim 1, is characterized in that: described headset body is also provided with managing electric quantity unit and battery alert unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510261919.0A CN104902366A (en) | 2015-05-21 | 2015-05-21 | Electroencephalogram alpha wave signal induction Bluetooth headset |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510261919.0A CN104902366A (en) | 2015-05-21 | 2015-05-21 | Electroencephalogram alpha wave signal induction Bluetooth headset |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104902366A true CN104902366A (en) | 2015-09-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510261919.0A Pending CN104902366A (en) | 2015-05-21 | 2015-05-21 | Electroencephalogram alpha wave signal induction Bluetooth headset |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104902366A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101433461A (en) * | 2008-12-04 | 2009-05-20 | 上海大学 | Detection circuit for high-performance brain electrical signal of brain-machine interface |
| EP2200342A1 (en) * | 2008-12-22 | 2010-06-23 | Siemens Medical Instruments Pte. Ltd. | Hearing aid controlled using a brain wave signal |
| CN202759572U (en) * | 2012-08-14 | 2013-02-27 | 福建师范大学 | Multifunctional brain-wave headset |
| CN204578741U (en) * | 2015-05-21 | 2015-08-19 | 成都腾悦科技有限公司 | A kind of eegαwave induction of signal bluetooth earphone |
-
2015
- 2015-05-21 CN CN201510261919.0A patent/CN104902366A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101433461A (en) * | 2008-12-04 | 2009-05-20 | 上海大学 | Detection circuit for high-performance brain electrical signal of brain-machine interface |
| EP2200342A1 (en) * | 2008-12-22 | 2010-06-23 | Siemens Medical Instruments Pte. Ltd. | Hearing aid controlled using a brain wave signal |
| CN202759572U (en) * | 2012-08-14 | 2013-02-27 | 福建师范大学 | Multifunctional brain-wave headset |
| CN204578741U (en) * | 2015-05-21 | 2015-08-19 | 成都腾悦科技有限公司 | A kind of eegαwave induction of signal bluetooth earphone |
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Application publication date: 20150909 |