CN203953642U - A kind of multiparameter bio-electro-physiologic signal pickup assembly - Google Patents
A kind of multiparameter bio-electro-physiologic signal pickup assembly Download PDFInfo
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Abstract
This utility model relates to a kind of multiparameter bio-electro-physiologic signal pickup assembly, described harvester comprises the active dry electrode of front end Spring, AD converter, arm processor, communication module, battery powered module and host computer waveform display module, the active dry electrode of described Spring connects AD converter, AD converter and arm processor carry out transfer of data, exchange, and arm processor sends the data to host computer waveform display module by communication module.What in this technical scheme, electrode was used is the dry electrode of Spring of autonomous Design, signal acquiring system is comprised of arm processor and ADS1298 analog-digital converter, passage can be accomplished 16, and transfer of data adopts three kinds of communication modes, usb communication mode, serial communication mode and communication.Whole device volume is less, and precision is high, is easy to carry.
Description
Technical field
The present invention relates to signal pickup assembly, specifically a kind of multiparameter bio-electro-physiologic signal pickup assembly, belongs to auxiliary medical equipment technical field.
Background technology
Acquiring biological electric signals blood processor is to be most widely used in biomedical electronics section field, subject crossing and infiltration be one of hot technology the most significantly, theory and the method for integrated application electronics relevant works technology, from the 26S Proteasome Structure and Function of the angle researching human body of engineering science, and the mutual relation between function and structure.As cross discipline, on the one hand by electronics for biological and medical field, enriched bioelectrical signals and extracted the mode gathering, the research mode that also makes these fields more accurately and science; Disclose on the other hand the many rules that occur in life entity operation, the excellent specific property of the Bioinformatics of particularly evolving through 1 years and forming will be to electronics subject with important enlightenment, this not only can promote the development of electronics, also will make information science that revolutionary change occurs.
Bioelectrical signals, mostly in microvolt level, is used two schemes mostly to the collection of bio signal, and a kind of scheme is to improve the amplification of preamplifier, coordinates the AD conversion chip of low precision to carry out acquired signal.Another scheme is that preamplifier is low gain state, coordinates high-precision AD conversion chip to carry out acquired signal.Although the first scheme is easy, but system itself can be introduced the noise more much bigger than bio signal, and selects very high gain, and interfering signal can make amplifier saturation, is difficult to leach.At present, great majority gather the equipment of bio signal because each passage comprises analog filtering, amplification module, and passage is more, AD conversion accuracy is higher, so volume is huger, is not easy to carry.Therefore, a kind of new technical scheme of exigence solves the problems of the technologies described above.
Summary of the invention
The present invention is just for the technical problem existing in prior art, a kind of multiparameter bio-electro-physiologic signal pickup assembly is provided, the simple and easy multiparameter biological electrical signal collecting device that the present invention is designed, what electrode was used is the dry electrode of Spring of autonomous Design, signal acquiring system is comprised of arm processor and ADS1298 analog-digital converter, passage can be accomplished 16, and transfer of data adopts three kinds of communication modes, usb communication mode, serial communication mode and communication.Whole device volume is less, and precision is high, is easy to carry.
To achieve these goals, the technical solution used in the present invention is as follows, a kind of multiparameter bio-electro-physiologic signal pickup assembly, it is characterized in that, described harvester comprises the active dry electrode of front end Spring, AD converter, arm processor, communication module, battery powered module and host computer waveform display module, the active dry electrode of described Spring connects AD converter, AD converter and arm processor carry out transfer of data, exchange, and arm processor sends the data to host computer waveform display module by communication module.
As a modification of the present invention, described communication module is set at least one in usb communication module, serial communication modular, three kinds of modules of wireless communication module.
As a modification of the present invention, Spring active electrode is set to finger-like pin with spring as signal leading device.When contact scalp, the pressure that telescopic spring can make scalp feel reduces, and also can guarantee electrode and scalp close contact.Due to without smearing conductive paste, cause the impedance between scalp and electrode very large, so require the input impedance of rear class preamplifier necessary enough large.Active electrode is that affix active circuit, to increase electric current, is mainly to realize by the buffer amplifier of high input impedance, low output impedance on the basis of ordinary electrode.The technical program is selected low-power consumption precision amplifier TLV2262, in order not allow interfering signal by amplifier saturation, amplifier is applied under low gain state, select amplification at 5 to 10 times, and in telegraph circuit, add as one-level low pass filter, one-level MFB i.e. unlimited gain multiple feedback, high pass filter.
As a modification of the present invention, the data of the working method of described arm processor configuration AD converter, the transmission of reception AD converter, and data are sent on host computer and shown by USB module, serial port module or wireless module, described arm processor is STM32 processor, 32 bit processors, operating frequency is 72MHz.Every ADS1298 has the difference input of 8 passages, the bioelectrical signals gathering for input front end electrode.Mode by SPI bus read-write register can the concrete working method of configuring chip, as: enable or forbidden energy acquisition channel, each functional module, as right lower limb driving, Wilson's central electric terminal, internal reference source and crystal oscillator etc., configuration acquisition channel parameter, as the mode of operation of PGA multiple, sample frequency etc. and configuring chip.Arm processor is set to STM32 processor, 32 bit processors, and operating frequency is 72MHz, peripheral hardware is abundant, meets the needed GPIO of this system, SPI and USART functional module.GPIO and SPI peripheral module jointly control working method and the transfer of data of ADS1298, NFR24L01 and CH372 USB module.
As a modification of the present invention, described AD converter is set to ADS1298 and carries out AD conversion, it has high accuracy delta-sigma (delta-sigma) the type ADC of 24bit, its sample frequency is 250SPS ~ 32kSPS, there are 8 passages, each passage is containing programmable amplifier, its amplification 1 ~ 12 times adjustable, built-in right lower limb driving amplifier and Wilson's central electric terminal; Adopt SPI bus and the external world to carry out exchanges data.The right lower limb that BIAS_RLD_1 connects chip drives pin, ADS1298 is built-in driven-right-leg circuit, the common mode disturbances of inputting in order to reduce difference.The backward end of 8 passages of Reference_out access, for difference input provides reference source.Then electrode is by the input of the end in the same way bioelectrical signals of each passage.The reference voltage of selecting AD to change is 2.4V, and the conversion accuracy of AD can reach 0.14 μ V like this.
As a modification of the present invention, described usb communication module is set to CH372 chip, and auxiliary STM32 processor carries out usb communication.CH372 is the common apparatus interface chip of a USB bus, built-in underlying protocol in USB communication, so local side processor as long as be responsible for exchanges data, configurator is very succinct.From D0 ~ 7, a mouthful parallel input enters CH372 to 8 bit data, and external clock 12M is arrived 48M as transfer clock by chip frequency multiplication.Then UD+ and UD-pin pass through USB mouth to host computer transceiving data.
As a modification of the present invention, described serial communication modular is set to CH340 chip, and Configuration of baud rate is 460800kb/s.Serial communication modular of the present invention is selected the peripheral hardware USART function of STM32 itself, and CH340 is the connect chip of a USB bus, realizes USB and turns serial ports.Under serial mode, CH340 provides conventional MODEM cue, is used to computer expansion asynchronous serial port, or common serial equipment is directly upgraded to USB bus.Data transmission bauds is set to 460800kb/s, and native system is write data by TXD mouth, and by RXD mouth read data, then UD+ and UD-pin pass through USB mouth to host computer transceiving data.
As a modification of the present invention, described wireless communication module is set to monolithic wireless transceiver chip NRF24L01, and frequency range is 2.4GHz ~ 2.5GHz, and communication interface is SPI synchronous serial communication interface, and peak transfer rate is 10 Mb/s.Wireless device communication mode adopts slave computer transmitting apparatus, and then receptor reception data turn serial ports and then send to PC to process.NRF24L01 is by SPI agreement and STM32 communicates and transfer of data.This wireless module will match use, and receiving terminal is also NRF24L01 module, then by USB mouth or serial ports and host computer, communicates.
As a modification of the present invention, described power module is set to charged lithium cells supply module, and it is 3.7V that battery is selected voltage, and battery charging module is set to LTC4065 linear charger chip, electric weight detection module is set to LTC2941 chip, Real-Time Monitoring battery electric quantity.Power management chip selects the LTC1763-3 of LINEAR company to produce the voltage of 3V, operating circuit as shown in figure 10, selects LTC1763-2.5 to export the voltage of 2.5V, and operating circuit as shown in figure 11, select the voltage of LTC1614 chip output-2.5V, operating circuit as shown in figure 12.Three different magnitudes of voltage of this of power distribution are used for the active dry electrode work of feed system arm processor, ADS1298, USB module, wireless module, serial port module and Spring and use.
As a modification of the present invention, the printed circuit board (PCB) of described harvester is set to four layers of cloth plate structure, ground floor (TopLayer) is signal wiring layer, the second layer (Inner_1Layer) is in analog and digital strata, the 3rd layer (Inner_2Layer) is bus plane, the 4th layer (BottomLayer) is signal wiring layer, ground floor is provided with STM32 processor, first ADS1298 module, serial communication modular and usb communication module, the second layer is provided with in analog and digitally covers copper billet, the 3rd layer of minute cloth that is provided with bus plane, the 4th layer is provided with second ADS1298 module and wireless communication module.When all needing to place components and parts at top layer and bottom, and the dielectric thickness between internal power plane and stratum is larger, is coupled when not good, just need to consider that the holding wire of which layer layout is less.For cabling scenario of the present invention, the holding wire of bottom is less, can adopt large-area copper film to come and the coupling of POWER layer.And for wiring ground connection principle, be all generally ground connection nearby, but to distinguish analog-and digital-ground: analog device just connects in analog, and digital device just connects digitally, also separate large-signal ground and small-signal, and in analog with digitally between with magnetic bead, be connected.
With respect to prior art, advantage of the present invention is as follows, 1) whole device arranges ingeniously, and volume is little, precision is high, be easy to carry; 2) the active dry electrode of the Spring of autonomous Design, Spring electrode is to select finger-like pin with spring as signal leading device, when contact scalp, the pressure that telescopic spring can make scalp feel reduces, and also can guarantee electrode and scalp close contact.Due to without smearing conductive paste, cause the impedance between scalp and electrode very large, so require the input impedance of rear class preamplifier necessary enough large.Active electrode is that affix active circuit, to increase electric current, is mainly to realize by the buffer amplifier of high input impedance, low output impedance on the basis of ordinary electrode.Preamplifier operating circuit adopts the multiple feedback that infinitely gains through low pass filter, buffer and MFB() high pass filter, then output to each passage of ADS1298, kind electrode circuit has effectively been avoided high and low frequency interference, has been reduced the personal error in measuring process, also can reduce the skew of baseline, make the output signal can complete undistorted measuring to the bio signal within 150Hz frequency band at 0.8HZ; 3) AD converter is set to high accuracy delta-sigma (delta-sigma) the type low-power consumption analog-digital converter ADS1298 of 24bit, sample frequency can be operated in 250SPS ~ 32kSPS, have 8 acquisition channels, each passage is containing programmable amplifier, and its amplification is adjustable at 1 ~ 12 times.Built-in right lower limb driving amplifier and Wilson's central electric terminal; Adopt SPI bus and the external world to carry out exchanges data.Can collect the small-signal of several microvolts, be applicable to the collection of various bioelectrical signals completely, STM32 processor clock frequency can reach 72M, has abundant peripheral functionality, and the data exchange mode of compatible and ADS1298 also can meet the fast transport of data; 4) in communication module, three kinds of communication modes can be selected according to the condition of oneself, when measuring electrocardiosignal, can select serial communication to carry out transfer of data, while measuring EEG signals, can select usb communication to carry out data high-speed transmission, when telemeasurement or wire transmission data inconvenience, can select wireless module to carry out transfer of data; 5) battery power supply system, selects lithium battery power supply, and volume that can reduction system is easy to use, is also convenient for carrying, and electric power system contains charging system, selects rechargeable lithium battary, has reduced the wastes and pollution of aneroid battery.6) whole system is selected the low-power chip of Highgrade integration, easily on market, obtains, and the volume of system also can design littlely, acquisition system board size of the present invention is 33mm*57mm, electric power system board size is 27mm*25mm, and battery size is 60mm*35mm, and power consumption is also lower.
Accompanying drawing explanation
Fig. 1 is working-flow figure of the present invention.
Fig. 2 is the dry electrode pictorial diagram of Spring of the present invention.
Fig. 3 is electrode working circuit diagram of the present invention.
Fig. 4 is STM32 main system working circuit diagram of the present invention.
Fig. 5 is ADS1298 working circuit diagram of the present invention.
Fig. 6 is the working circuit diagram of USB module of the present invention.
Fig. 7 is the working circuit diagram of serial communication modular of the present invention.
Fig. 8 is slave computer wireless sending module working circuit diagram of the present invention.
Fig. 9 is battery charging module of the present invention.
Figure 10 is 3V voltage generation circuit of the present invention.
Figure 11 is 2.5V voltage generation circuit of the present invention.
Figure 12 is of the present invention-2.5V voltage generation circuit.
Figure 13 is the waveform display interface of 8 passages of the present invention.
Figure 14 is the waveform display interface of 16 passages of the present invention.
Figure 15 is printed circuit board (PCB) distribution schematic diagram of the present invention.
The specific embodiment
In order to deepen the understanding of the present invention and understanding, below in conjunction with accompanying drawing, the invention will be further described and introduction.
embodiment 1:referring to Fig. 1, a kind of multiparameter bio-electro-physiologic signal pickup assembly, described harvester comprises the active dry electrode of front end Spring, AD converter, arm processor, communication module, battery powered module and host computer waveform display module, the active dry electrode of described Spring connects AD converter, AD converter and arm processor carry out transfer of data, exchange, arm processor sends the data to host computer waveform display module by communication module, described communication module is set to usb communication module, serial communication modular, at least one mode in three kinds of modules of wireless communication module, general three kinds of modes arrange simultaneously, three kinds of communication modes can be selected according to the condition of oneself, when measuring electrocardiosignal, can select serial communication to carry out transfer of data, while measuring EEG signals, can select usb communication to carry out data high-speed transmission, when telemeasurement or wire transmission data inconvenience, can select wireless module to carry out transfer of data, precision is high, and very convenient.
embodiment 2:referring to Fig. 2, Fig. 3, as a modification of the present invention, Spring active electrode is set to finger-like pin with spring as signal leading device.When contact scalp, the pressure that telescopic spring can make scalp feel reduces, also can guarantee electrode and scalp close contact, electrode material object as shown in Figure 2, due to without smearing conductive paste, cause the impedance between scalp and electrode very large, so require the input impedance of rear class preamplifier necessary enough large.Active electrode is that affix active circuit, to increase electric current, is mainly to realize by the buffer amplifier of high input impedance, low output impedance on the basis of ordinary electrode.The technical program is selected low-power consumption precision amplifier TLV2262, operating circuit as shown in Figure 3, in order not allow interfering signal by amplifier saturation, amplifier is applied under low gain state, select amplification at 5 to 10 times, and in telegraph circuit, add as one-level low pass filter, one-level MFB i.e. unlimited gain multiple feedback, high pass filter.
embodiment 3:referring to Fig. 1, Fig. 4, as a modification of the present invention, the data of the working method of described arm processor configuration AD converter, the transmission of reception AD converter, and data are sent on host computer and shown by USB module, serial port module or wireless module, described arm processor is STM32 processor, 32 bit processors, and operating frequency is 72MHz.Every ADS1298 has the difference input of 8 passages, the bioelectrical signals gathering for input front end electrode.Mode by SPI bus read-write register can the concrete working method of configuring chip, as: enable or forbidden energy acquisition channel, each functional module, as right lower limb driving, Wilson's central electric terminal, internal reference source and crystal oscillator etc., configuration acquisition channel parameter, as the mode of operation of PGA multiple, sample frequency etc. and configuring chip.Arm processor is set to STM32 processor, 32 bit processors, and operating frequency is 72MHz, peripheral hardware is abundant, meets the needed GPIO of this system, SPI and USART functional module.GPIO and SPI peripheral module jointly control working method and the transfer of data of ADS1298, NFR24L01 and CH372 USB module, and circuit as shown in Figure 4.
embodiment 4:referring to Fig. 5, as a modification of the present invention, described AD converter is set to ADS1298 and carries out AD conversion, it has high accuracy delta-sigma (delta-sigma) the type ADC of 24bit, its sample frequency is 250SPS ~ 32kSPS, has 8 passages, and each passage is containing programmable amplifier, its amplification 1 ~ 12 times adjustable, built-in right lower limb driving amplifier and Wilson's central electric terminal; Adopt SPI bus and the external world to carry out exchanges data, its operating circuit as shown in Figure 5.The right lower limb that BIAS_RLD_1 connects chip drives pin, ADS1298 is built-in driven-right-leg circuit, and in order to reduce the common mode disturbances of difference input, the backward end of 8 passages of Reference_out access, for difference input provides reference source.Then electrode is by the input of the end in the same way bioelectrical signals of each passage.The reference voltage of selecting AD to change is 2.4V, and the conversion accuracy of AD can reach 0.14 μ V like this.
embodiment 5:referring to Fig. 6, as a modification of the present invention, described usb communication module is set to CH372 chip, and auxiliary STM32 processor carries out usb communication.CH372 is the common apparatus interface chip of a USB bus, built-in underlying protocol in USB communication, so local side processor as long as be responsible for exchanges data, configurator is very succinct.As shown in Figure 6, from D0 ~ 7, a mouthful parallel input enters CH372 to 8 bit data to usb communication module operating circuit, and external clock 12M is arrived 48M as transfer clock by chip frequency multiplication.Then UD+ and UD-pin pass through USB mouth to host computer transceiving data.
embodiment 6:referring to Fig. 7, as a modification of the present invention, described serial communication modular is set to CH340 chip, and Configuration of baud rate is 460800kb/s.Serial communication modular of the present invention is selected the peripheral hardware USART function of STM32 itself, and CH340 is the connect chip of a USB bus, realizes USB and turns serial ports.Under serial mode, CH340 provides conventional MODEM cue, is used to computer expansion asynchronous serial port, or common serial equipment is directly upgraded to USB bus.As shown in Figure 7, data transmission bauds is set to 460800kb/s to the working circuit diagram of serial communication modular, and native system is write data by TXD mouth, and by RXD mouth read data, then UD+ and UD-pin pass through USB mouth to host computer transceiving data.
embodiment 7:referring to Fig. 8, as a modification of the present invention, described wireless communication module is set to monolithic wireless transceiver chip NRF24L01, and frequency range is 2.4GHz ~ 2.5GHz, and communication interface is SPI synchronous serial communication interface, and peak transfer rate is 10 Mb/s.Wireless device communication mode adopts slave computer transmitting apparatus, then receptor reception data turn serial ports and then send to PC to process, as shown in Figure 8, NRF24L01 is by SPI agreement and STM32 communicates and transfer of data for slave computer wireless sending module operating circuit.This wireless module will match use, and receiving terminal is also NRF24L01 module, then by USB mouth or serial ports and host computer, communicates.
embodiment 8:referring to Fig. 9-Figure 12, as a modification of the present invention, described power module is set to charged lithium cells supply module, it is 3.7V that battery is selected voltage, battery charging module is set to LTC4065 linear charger chip, electric weight detection module is set to LTC2941 chip, Real-Time Monitoring battery electric quantity, and operating circuit is as shown in Figure 9.Power management chip selects the LTC1763-3 of LINEAR company to produce the voltage of 3V, operating circuit as shown in figure 10, selects LTC1763-2.5 to export the voltage of 2.5V, and operating circuit as shown in figure 11, select the voltage of LTC1614 chip output-2.5V, operating circuit as shown in figure 12.Three different magnitudes of voltage of this of power distribution are used for the active dry electrode work of feed system arm processor, ADS1298, USB module, wireless module, serial port module and Spring and use.
embodiment 9:referring to Figure 13-Figure 14, bioelectrical signals waveform display module, display module selects American National instrument (NI) company to develop a LABVIEW software, LABVIEW software application be graphical author language G coding, the program producing is the form of block diagram, its waveform display interface of writing as Figure 13 be that 8 passages and Figure 14 are as shown in 16 passages.
embodiment 10:referring to Figure 15, as a modification of the present invention, the printed circuit board (PCB) of described harvester is set to four layers of cloth plate structure, ground floor (TopLayer) is signal wiring layer, the second layer (Inner_1Layer) is in analog and digital strata, the 3rd layer (Inner_2Layer) is bus plane, the 4th layer (BottomLayer) is signal wiring layer, ground floor is provided with STM32 processor, first ADS1298 module, serial communication modular and usb communication module, the second layer is provided with in analog and digitally covers copper billet, the 3rd layer of minute cloth that is provided with bus plane, the 4th layer is provided with second ADS1298 module and wireless communication module.When all needing to place components and parts at top layer and bottom, and the dielectric thickness between internal power plane and stratum is larger, is coupled when not good, just need to consider that the holding wire of which layer layout is less.For cabling scenario of the present invention, the holding wire of bottom is less, can adopt large-area copper film to come and bus plane coupling.And for wiring ground connection principle, be all generally ground connection nearby, but to distinguish analog-and digital-ground: analog device just connects in analog, and digital device just connects digitally, also separate large-signal ground and small-signal, and in analog with digitally between with magnetic bead, be connected.This circuit board overall construction design is ingenious, distributes compacter, reasonable, has greatly reduced the volume of harvester.
The present invention can also be combined to form new embodiment by least one and embodiment 1 in technical characterictic described in embodiment 2,3,4,5,6,7,8,9,10.
It should be noted that above-described embodiment, be not used for limiting protection scope of the present invention, the equivalents of having done on the basis of technique scheme or substitute and all to fall into the scope that the claims in the present invention are protected.
Claims (10)
1. a multiparameter bio-electro-physiologic signal pickup assembly, it is characterized in that, described harvester comprises the active dry electrode of front end Spring, AD converter, arm processor, communication module, battery powered module and host computer waveform display module, the active dry electrode of described Spring connects AD converter, AD converter and arm processor carry out transfer of data, exchange, and arm processor sends the data to host computer waveform display module by communication module.
2. a kind of multiparameter bio-electro-physiologic signal pickup assembly according to claim 1, is characterized in that, described communication module is set at least one in usb communication module, serial communication modular, three kinds of modules of wireless communication module.
3. a kind of multiparameter bio-electro-physiologic signal pickup assembly according to claim 1 and 2, is characterized in that, Spring active electrode is set to finger-like pin with spring as signal leading device.
4. a kind of multiparameter bio-electro-physiologic signal pickup assembly according to claim 3, it is characterized in that, the data of the working method of described arm processor configuration AD converter, the transmission of reception AD converter, and data are sent on host computer and shown by USB module, serial port module or wireless module, described arm processor is STM32 processor, quantity is two, 32 bit processors, and operating frequency is 72MHz.
5. a kind of multiparameter bio-electro-physiologic signal pickup assembly according to claim 4, it is characterized in that, described AD converter is set to ADS1298 and carries out AD conversion, it has high accuracy delta-sigma (delta-sigma) the type ADC of 24bit, its sample frequency is 250SPS ~ 32kSPS, has 8 passages, and each passage is containing programmable amplifier, its amplification 1 ~ 12 times adjustable, built-in right lower limb driving amplifier and Wilson's central electric terminal; Adopt SPI bus and the external world to carry out exchanges data.
6. according to a kind of multiparameter bio-electro-physiologic signal pickup assembly described in claim 4 or 5, it is characterized in that, described usb communication module is set to CH372 chip, and auxiliary STM32 processor carries out usb communication.
7. according to a kind of multiparameter bio-electro-physiologic signal pickup assembly described in claim 4 or 5, it is characterized in that, described serial communication modular is set to CH340 chip, and Configuration of baud rate is 460800kb/s.
8. according to a kind of multiparameter bio-electro-physiologic signal pickup assembly described in claim 4 or 5, it is characterized in that, described wireless communication module is set to monolithic wireless transceiver chip NRF24L01, frequency range is 2.4GHz ~ 2.5GHz, communication interface is SPI synchronous serial communication interface, and peak transfer rate is 10 Mb/s.
9. a kind of multiparameter bio-electro-physiologic signal pickup assembly according to claim 4, it is characterized in that, described power module is set to charged lithium cells supply module, it is 3.7V that battery is selected voltage, battery charging module is set to LTC4065 linear charger chip, electric weight detection module is set to LTC2941 chip, Real-Time Monitoring battery electric quantity.
10. a kind of multiparameter bio-electro-physiologic signal pickup assembly according to claim 5, it is characterized in that, the printed circuit board (PCB) of described harvester is set to four layers of cloth plate structure, ground floor (TopLayer) is signal wiring layer, the second layer (Inner_1Layer) is in analog and digital strata, the 3rd layer (Inner_2Layer) is bus plane, the 4th layer (BottomLayer) is signal wiring layer, ground floor is provided with STM32 processor, first ADS1298 module, serial communication modular and usb communication module, the second layer is provided with in analog and digitally covers copper billet, the 3rd layer of minute cloth that is provided with bus plane, the 4th layer is provided with second ADS1298 module and wireless communication module.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103961093A (en) * | 2014-05-18 | 2014-08-06 | 吴正平 | Multi-parameter bioelectric physiological signal collecting device |
| CN106214144A (en) * | 2016-07-18 | 2016-12-14 | 四川东鼎里智信息技术有限责任公司 | Remote electrocardio monitoring system |
| CN107106052A (en) * | 2014-12-30 | 2017-08-29 | 通用电气公司 | Universal display unit for a variety of wireless medical sensors |
-
2014
- 2014-05-18 CN CN201420252430.8U patent/CN203953642U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103961093A (en) * | 2014-05-18 | 2014-08-06 | 吴正平 | Multi-parameter bioelectric physiological signal collecting device |
| CN107106052A (en) * | 2014-12-30 | 2017-08-29 | 通用电气公司 | Universal display unit for a variety of wireless medical sensors |
| CN106214144A (en) * | 2016-07-18 | 2016-12-14 | 四川东鼎里智信息技术有限责任公司 | Remote electrocardio monitoring system |
| CN106214144B (en) * | 2016-07-18 | 2019-04-09 | 四川东鼎里智信息技术有限责任公司 | Remote electrocardio monitoring system |
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Address after: 3rd Floor, North Building, Building D2, No. 32 Dazhou Road, Yuhuatai District, Nanjing City, Jiangsu Province, 210012-032 Patentee after: JIANGSU BRAIN MEDICAL TECH Co.,Ltd. Address before: No. 188 Jimei Road, Gangzha District, Nantong City, Jiangsu Province, 226000 Patentee before: Nantong bo'en Medical Technology Co.,Ltd. |
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Effective date of registration: 20230504 Address after: 401120 No. 19, Zhuoyue Road, Longxing Town, Liangjiang New Area, Yubei District, Chongqing Patentee after: Chongqing Botai Medical Technology Co.,Ltd. Address before: 3rd Floor, North Building, Building D2, No. 32 Dazhou Road, Yuhuatai District, Nanjing City, Jiangsu Province, 210012-032 Patentee before: JIANGSU BRAIN MEDICAL TECH Co.,Ltd. |
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