CN104902368A - Multiband high-sensitivity brain wave sensing Bluetooth headset - Google Patents
Multiband high-sensitivity brain wave sensing Bluetooth headset Download PDFInfo
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- CN104902368A CN104902368A CN201510261970.1A CN201510261970A CN104902368A CN 104902368 A CN104902368 A CN 104902368A CN 201510261970 A CN201510261970 A CN 201510261970A CN 104902368 A CN104902368 A CN 104902368A
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- brain wave
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- wave sensor
- bluetooth earphone
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Abstract
The present invention discloses a multiband high-sensitivity brain wave sensing Bluetooth headset. A main body of the headset includes brain wave sensors, filtering and amplifying units, a multiplexer switch, an analog-to-digital converter and a brain wave acquisition and processing chip which are connected in sequence. The brain wave sensors include a brain wave sensor A distributed in a frontal brain region and a brain wave sensor B distributed in an occipital brain region. The brain wave sensors are connected to the filtering and amplifying units in one-to-one correspondence. Each filtering and amplifying unit includes a first amplifier with high impedance differential input, a wave trap, a low-pass filter, a band-pass filter and a second amplifier which are connected in sequence. The headset main body is a Bluetooth headset. The brain wave acquisition and processing chip is matched with and connected to a target terminal to perform Bluetooth intercommunication with the target terminal. With the headset of the present invention, the Bluetooth headset can detect brain wave signals and performs intercommunication with the target terminal; and the filtering and amplifying unit performs filtering and amplification on the brain waves, so that the acquisition of the brain wave signals is more accurate.
Description
Technical field
The present invention relates to bluetooth earphone field, particularly relate to a kind of multiband high sensitivity brain wave induction 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 multiband high sensitivity brain wave to respond to 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 multiband high sensitivity brain wave induction bluetooth earphone, comprise headset body and brain wave sensing unit, brain wave sensing unit comprises the multiple brain wave inductors connected successively, many groups filter and amplification unit, multidiameter option switch, analog to digital converter and acquiring brain waves process chip, filter and amplification unit comprises filter and amplification unit A and filter and amplification unit B, brain wave inductor comprises the brain wave sensor A being distributed in brain frontal region, be distributed in the brain wave sensor B in brain temporo district, be distributed in the brain wave sensor C in brain top district and be distributed in the brain wave sensor D of brain occipital region, brain wave sensor and filter and amplification unit connect one to one, 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, brain wave sensor A, brain wave sensor B, brain wave sensor C is connected with headset body respectively by four connecting rods with brain wave sensor D.
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.
The invention has the beneficial effects as follows:
1) the present invention sets up multiple brain wave inductor, many group filter and amplification unit, multidiameter option switch, analog to digital converter and acquiring brain waves process chip 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.
3) the present invention is provided with the brain wave sensor A being distributed in brain frontal region, the brain wave sensor B being distributed in brain temporo district, is distributed in the brain wave sensor C in brain top district and is distributed in the brain wave sensor D of brain occipital region, wherein, brain wave sensor A is mainly for detection of β ripple, brain wave sensor B, mainly for detection of α ripple, effectively improves the sensitivity of brain wave induction.
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 multiband high sensitivity brain wave induction bluetooth earphone, comprise headset body and brain wave sensing unit, brain wave sensing unit comprises the multiple brain wave inductors connected successively, many groups filter and amplification unit, multidiameter option switch, analog to digital converter and acquiring brain waves process chip, filter and amplification unit comprises filter and amplification unit A and filter and amplification unit B, brain wave inductor comprises the brain wave sensor A being distributed in brain frontal region, be distributed in the brain wave sensor B in brain temporo district, be distributed in the brain wave sensor C in brain top district and be distributed in the brain wave sensor D of brain occipital region, brain wave sensor and filter and amplification unit connect one to one, 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, brain wave sensor A, brain wave sensor B, brain wave sensor C is connected with headset body respectively by four connecting rods with brain wave sensor D.
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 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.
Described control output end mouth is also connected with target terminal by a data line with audio input port.
In the present invention, brain wave inductor detects induction eeg 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. a multiband high sensitivity brain wave induction bluetooth earphone, it is characterized in that: comprise headset body and brain wave sensing unit, brain wave sensing unit comprises the multiple brain wave inductors connected successively, many groups filter and amplification unit, multidiameter option switch, analog to digital converter and acquiring brain waves process chip, filter and amplification unit comprises filter and amplification unit A and filter and amplification unit B, brain wave inductor comprises the brain wave sensor A being distributed in brain frontal region, be distributed in the brain wave sensor B in brain temporo district, be distributed in the brain wave sensor C in brain top district and be distributed in the brain wave sensor D of brain occipital region, brain wave sensor and filter and amplification unit connect one to one, 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, brain wave sensor A, brain wave sensor B, brain wave sensor C is connected with headset body respectively by four connecting rods with brain wave sensor D.
2. a kind of multiband high sensitivity brain wave induction 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 multiband high sensitivity brain wave induction bluetooth earphone according to claim 1, is characterized in that: described acquiring brain waves process chip comprises TMS320VC5402 chip.
4. a kind of multiband high sensitivity brain wave induction 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 multiband high sensitivity brain wave induction 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 multiband high sensitivity brain wave induction 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 multiband high sensitivity brain wave induction 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 |
|---|---|---|---|
| CN201510261970.1A CN104902368A (en) | 2015-05-21 | 2015-05-21 | Multiband high-sensitivity brain wave sensing Bluetooth headset |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510261970.1A CN104902368A (en) | 2015-05-21 | 2015-05-21 | Multiband high-sensitivity brain wave sensing Bluetooth headset |
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| Publication Number | Publication Date |
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| CN104902368A true CN104902368A (en) | 2015-09-09 |
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| CN201510261970.1A Pending CN104902368A (en) | 2015-05-21 | 2015-05-21 | Multiband high-sensitivity brain wave sensing Bluetooth headset |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107708012A (en) * | 2017-10-16 | 2018-02-16 | 吉安市立讯射频科技股份有限公司 | A kind of portable highly sensitive bluetooth earphone |
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 |
| CN204578743U (en) * | 2015-05-21 | 2015-08-19 | 成都腾悦科技有限公司 | A kind of multiband high sensitivity brain wave induction bluetooth earphone |
-
2015
- 2015-05-21 CN CN201510261970.1A patent/CN104902368A/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 |
| CN204578743U (en) * | 2015-05-21 | 2015-08-19 | 成都腾悦科技有限公司 | A kind of multiband high sensitivity brain wave induction bluetooth earphone |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107708012A (en) * | 2017-10-16 | 2018-02-16 | 吉安市立讯射频科技股份有限公司 | A kind of portable highly sensitive bluetooth earphone |
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Application publication date: 20150909 |