CN104902369A - Brain beta-wave signal sensing Bluetooth headset - Google Patents
Brain beta-wave signal sensing Bluetooth headset Download PDFInfo
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- CN104902369A CN104902369A CN201510261974.XA CN201510261974A CN104902369A CN 104902369 A CN104902369 A CN 104902369A CN 201510261974 A CN201510261974 A CN 201510261974A CN 104902369 A CN104902369 A CN 104902369A
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- brain
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- bluetooth earphone
- brain wave
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Abstract
The invention discloses a brain beta-wave signal sensing Bluetooth headset. A headset main body comprises a brain wave sensor, a filter and amplification unit, an analog-to-digital converter and a brain wave collecting and processing chip, which are connected in turn and distributed at the forehead region of the brain; the filter and amplification unit comprises a first amplifier of high impedance differential input, a wave trap, a low pass filter, a band-pass filter and a second amplifier, which are connected in turn. The handset main body is a Bluetooth headset. The handset main body comprises a left ear hook, a head-wearing hanging piece and a right ear hook, which are fixedly connected, and the brain signal sensor is fixedly connected with the head-wearing hanging piece via a connecting rod. The brain wave collecting and processing chip is matched and connected with a target terminal via a Bluetooth connection to perform intercommunication. The brain beta-wave signal sensing Bluetooth headset of the invention detects a brain wave signal via the blue-tooth headset so as to perform mutual interactive communication with the target terminal, and performs filter and amplification processing to the brain wave via the filter and amplification unit so as to enable the collection and processing of the brain signal to be more accurate.
Description
Technical field
The present invention relates to bluetooth earphone field, particularly relate to a kind of brain electricity β ripple 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 brain electricity β ripple 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 brain electricity β ripple induction of signal bluetooth earphone, comprise headphone body and brain wave sensing unit, brain wave sensing unit comprises the brain wave inductor being distributed in brain frontal 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.
Headphone body comprises the left ear-hang, the wear-type that are fixedly connected sequentially and hangs part and auris dextra is hung, and brain wave inductor hangs part by connecting rod and wear-type and is fixedly connected with.
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 frontal region β 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 brain electricity β ripple induction of signal bluetooth earphone, comprise headphone body and brain wave sensing unit, brain wave sensing unit comprises the brain wave inductor being distributed in brain frontal 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.
Headphone body comprises the left ear-hang, the wear-type that are fixedly connected sequentially and hangs part and auris dextra is hung, and brain wave inductor hangs part by connecting rod and wear-type and is fixedly connected with.
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 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.
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 β 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. a brain electricity β ripple induction of signal bluetooth earphone, it is characterized in that: comprise headphone body and brain wave sensing unit, brain wave sensing unit comprises the brain wave inductor being distributed in brain frontal 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,
Headphone body comprises the left ear-hang, the wear-type that are fixedly connected sequentially and hangs part and auris dextra is hung, and brain wave inductor hangs part by connecting rod and wear-type and is fixedly connected with.
2. a kind of brain electricity β ripple 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 brain electricity β ripple 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 brain electricity β ripple 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 brain electricity β ripple 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 brain electricity β ripple 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 brain electricity β ripple 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 |
|---|---|---|---|
| CN201510261974.XA CN104902369A (en) | 2015-05-21 | 2015-05-21 | Brain beta-wave signal sensing Bluetooth headset |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510261974.XA CN104902369A (en) | 2015-05-21 | 2015-05-21 | Brain beta-wave signal sensing Bluetooth headset |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104902369A true CN104902369A (en) | 2015-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510261974.XA Pending CN104902369A (en) | 2015-05-21 | 2015-05-21 | Brain beta-wave signal sensing Bluetooth headset |
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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 |
| CN204578746U (en) * | 2015-05-21 | 2015-08-19 | 成都腾悦科技有限公司 | A kind of brain electricity β ripple induction of signal bluetooth earphone |
-
2015
- 2015-05-21 CN CN201510261974.XA patent/CN104902369A/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 |
| CN204578746U (en) * | 2015-05-21 | 2015-08-19 | 成都腾悦科技有限公司 | A kind of brain electricity β ripple induction of signal bluetooth earphone |
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Application publication date: 20150909 |