CN103505198A - Wireless neural signal detection chip - Google Patents
Wireless neural signal detection chip Download PDFInfo
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- CN103505198A CN103505198A CN201210221951.2A CN201210221951A CN103505198A CN 103505198 A CN103505198 A CN 103505198A CN 201210221951 A CN201210221951 A CN 201210221951A CN 103505198 A CN103505198 A CN 103505198A
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Abstract
The invention provides a wireless neural signal detection chip which comprises a signal amplifier, a band-pass filter, an A/D acquisition module, a wireless sending module and a power module. The signal amplifier is used for amplifying input initial neural signals. The band-pass filter is connected with the signal amplifier and used for filtering out noise besides the neural signals in the initial neural signals. The A/D acquisition module is connected with the band-pass filter and used for carrying out sampling and A/D conversion on the neural signals output from the band-pass filter. The wireless sending module is connected with the A/D acquisition module and used for sending out the neural signals after A/D conversion in a wireless mode. The power module is connected with the small-signal amplifier, the band-pass filter, an analog signal multiplexer, the A/D acquisition module and the wireless sending module and used for providing power for the small-signal amplifier, the band-pass filter, the analog signal multiplexer, the A/D acquisition module and the wireless sending module. According to the wireless neural signal detection chip, the functions of neural signal acquisition, amplification, processing and wireless sending are integrated on a single chip and the neural signals are transmitted through the wireless sending module, and therefore limitation on movement ranges of animals is avoided.
Description
Technical field
The present invention relates to electron trade signal detection technique field, relate in particular to a kind of wireless nerve signal detection chip.
Background technology
Due to social progress and scientific and technical development, human diseases spectrum changes.The early stage serious threat mankind's infectious disease, pregnant and perinatal period, damaging range and the degree of disease had obvious decline, and comprised that the various chronic diseases of nervous system disease have become the chief threat of modern humans's health.The Spike train that in animal body, the mutual transmission of nerve information and integration normally consist of some action potentials is realized, thereby nerve signal detection record technology just becomes one of important research means in Neuroscience Research field.
Fig. 1 is the structural representation that prior art adopts the nerve signal checkout gear of wireless mode.As shown in Figure 1, the microelectrode array of implanting animal brain gets nerve signal, by cable, signal is transferred to near nerve signal amplifier animal, nerve signal amplifier is transferred to PC by signal through Neural Signal Collecting processor again, nerve signal amplifier and Neural Signal Collecting processor are GENERAL TYPE instrument, and volume is larger.Greatly define in this case the range of activity of animal, hindered the primitive behavior of animal under natural ideal conditions, thereby also just can not reflect well nerve signal is how animal various actions are reacted and to be arranged.And in experimentation, animal can often sting transmission cable, even bites broken, has a strong impact on carrying out smoothly of experiment.
Summary of the invention
(1) technical problem that will solve
For solving above-mentioned one or more problems, the invention provides a kind of wireless nerve signal detection chip, with can be more convenient be captured in the nerve signal of the primitive behavior of animal under nature ideal conditions.
(2) technical scheme
According to an aspect of the present invention, provide a kind of wireless nerve signal detection chip, having comprised: signal amplifier, for the initial nerve signal of input is amplified; Band filter, is connected with signal amplifier, the noise for the initial nerve signal of filtering except nerve signal; A/D acquisition module; Be connected with band filter, for the nerve signal of band filter output is sampled and A/D conversion; Wireless sending module; Be connected with A/D acquisition module, for the nerve signal carrying out after A/D conversion is sent by wireless mode; And power module, with small signal amplifier, band filter, analogue signal multiplexer, A/D acquisition module be connected with wireless sending module, be used to it that energy is provided.
(3) beneficial effect
From technique scheme, can find out, the present invention is wireless, and nerve signal detection chip has following beneficial effect:
(1) in the present invention, adopt wireless sending module to transmit nerve signal, avoided the range of activity of animal to limit, can better reflect nerve signal is how animal various actions are reacted and to be arranged, avoided animal bites broken string cable simultaneously;
(2) in the present invention, Neural Signal Collecting, amplification, processing and wireless transmission are integrated on one single chip, make freely activity of animal, minimizing is in the interference of animal nerve signal acquisition process peripheral environment and anthropic factor, make animal in experiment to external world the reaction of environmental stimulus more approach nature, and then obtain good nerve signal;
(3) in the present invention, by analogue signal multiplexer and A/D modular converter, when having realized multiple signals, gather and transmission, greatly reduce A/D and gather resource, reduced chip size, and fundamentally reduced the power consumption of chip.
Accompanying drawing explanation
Fig. 1 is the structural representation that prior art adopts the nerve signal checkout gear of wireless mode;
Fig. 2 is the structural representation of the wireless nerve signal detection chip of the embodiment of the present invention;
Fig. 3 is the structural representation of analogue signal multiplexer in the wireless nerve signal detection chip of the embodiment of the present invention;
Fig. 4 is the structural representation of SAR-ADC in the wireless nerve signal detection chip of the embodiment of the present invention;
Fig. 5 is the structural representation of wireless sending module in the wireless nerve signal detection chip of the embodiment of the present invention.
The specific embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with specific embodiment, and with reference to accompanying drawing, the present invention is described in more detail.
It should be noted that, in accompanying drawing or description description, similar or identical part is all used identical figure number.And in the accompanying drawings, to simplify or convenient sign.Moreover the implementation that does not illustrate in accompanying drawing or describe, is form known to a person of ordinary skill in the art in affiliated technical field.In addition, although the demonstration of the parameter that comprises particular value can be provided herein, should be appreciated that, parameter is without definitely equaling corresponding value, but can in acceptable error margin or design constraint, be similar to corresponding value.
For ease of understanding, first element involved in the present invention is numbered:
Nerve signal detection chip that 1-is wireless; 2-implanted neural microelectrode array;
3-receptor;
100-high accuracy small signal amplifier; 200-band filter;
300-analogue signal multiplexer; 400-A/D acquisition module;
500-wireless sending module; 600-power module;
310-controller; 320-variable connector;
410-switching capacity sample/hold circuit; 420-fully differential dynamic comparer;
430-digital to analog converter; 440-successively approaches logic control circuit.
The present invention discloses a kind of wireless nerve signal detection chip, and this chip is worn on animal head by fixture, by wireless mode detection record nerve signal, makes animal freely activity in experimentation.
Fig. 2 is the structural representation of the wireless nerve signal detection chip of the embodiment of the present invention.As shown in Figure 2, nerve signal detection chip that this is wireless comprises and being linked in sequence: signal amplifier 100, band filter 200, analogue signal multiplexer 300, A/D acquisition module 400, wireless sending module 500 and power module 600, wherein, power module 600 is connected with other modules, for it provides power supply energy.Signal amplifier 100, band filter 200, analogue signal multiplexer 300, A/D acquisition module 400, wireless sending module 500 and power module 600 are all integrated on chip piece.Wherein, signal amplifier, for amplifying the initial nerve signal of input; Band filter, is connected with signal amplifier, the noise for the initial nerve signal of filtering except nerve signal; A/D acquisition module; Be connected with band filter, for the nerve signal of band filter output is sampled and A/D conversion; Wireless sending module; Be connected with A/D acquisition module, for the nerve signal carrying out after A/D conversion is sent by wireless mode; And power module, with small signal amplifier, band filter, analogue signal multiplexer, A/D acquisition module be connected with wireless sending module, be used to it that energy is provided.
When adopting the wireless nerve signal detection chip of the embodiment of the present invention to carry out zoopery, implanted neural microelectrode array 2 is implanted in the brain of animal, wireless nerve signal detection chip 1 connects with implantation micro-electrode having array 2 by circuit connecting mode, is worn on animal head and detects.The data that sent by 3 pairs of wireless sending modules of receptor receive and demodulation.
In the present embodiment, Neural Signal Collecting, amplification, processing and wireless transmission are integrated on one single chip, make freely activity of animal, adopt wireless sending module to transmit nerve signal simultaneously, avoided the range of activity of animal to limit, can better reflect nerve signal is how animal various actions are reacted and to be arranged, avoid animal bites broken string cable simultaneously.Below respectively each ingredient of the present embodiment is elaborated.
wherein, noise density is exactly that effective (RMS) noise voltage ，Qi unit of every square root hertz is generally
wherein nV represents to receive volt.
Signal gain is not less than 60dB, and common mode rejection ratio is not less than 90dB.This signal amplifier 100 can be amplified to mV level signal by the neural μ V level signal being detected by implantation micro-electrode having array 2 and be convenient to detect.When the nerve signal being gathered by nerve microelectrode array is K road, the signal amplification channel that this signal amplifier comprises K road, is respectively used to amplify for the initial nerve signal on initial nerve signal Zhong mono-tunnel, K road.
The passband of band filter 200 is 1Hz-5kHz, and the frequency range of nerve signal is about 0.1Hz-3kHz, and band filter 200 can effectively shield high frequency and low frequency noises.When the nerve signal being gathered by nerve microelectrode array is K road, the bandpass filtering passage that this band filter comprises K road, is respectively used to for the initial nerve signal Zhong mono-road initialize signal in K road, the noise in this initialize signal of filtering except nerve signal.
Fig. 3 is the structural representation of analogue signal multiplexer in the wireless nerve signal detection chip of the embodiment of the present invention.As shown in Figure 3, K way switch is divided into N group, and for the i group switch in this N group switch, it comprises M way switch; A bandpass filtering passage that is connected to described band filter for the arbitrary way switch ，Qi one end in this M way switch, its other end is connected to the i bars acquisition channel of described A/D acquisition module, wherein, and i=1,2 ..., N; Controller, for being controlled at synchronization, controls a way switch in every group of switch in closure state, and other way switch are in closure state; In one-period, control in this every group of switch each way switch closure once.The controlled frequency of controller 310 control variable connector 320 break-makes should be higher than M times of single channel A/D frequency acquisition 10kHz.
As shown in Figure 3, adopting analogue signal multiplexer 300 and 8 passage A/D acquisition modules can realize the detection collection more than 8 passage nerve signals, can be 16 passages, 32 passages, 64 passages or multichannel more.Analogue signal multiplexer 300 comprises controller 310 and variable connector 320.Controller 310 is controlled the break-make of variable connector 320.The nerve signal that detects K=64 passage of take is example, N=8, M=8.When starting acquired signal, connect passage 1,9,17,25,33,41,49,57 and gather; After collection finishes, disconnect passage 1,9,17,25,33,41,49,57, connecting passage 2,10,18,26,34,42,50,58 gathers, the like, until passage 8,16,24,32,40,48,56,64 is and gathered one-period after having gathered, and then circle collection, reclose passage 1,9,17,25,33,41,49,57 and gather, go round and begin again, to realize 64 channel signal acquisition times.The frequency that controller 310 is controlled variable connector 320 break-makes should be higher than 8 times of single channel A/D frequency acquisition 10kHz, i.e. 80kHz.
Adopt the combination of analogue signal multiplexer and 8 passage A/D acquisition modules can realize the high speed acquisition more than 8 channel signals, as 16 passages, 32 passages, 64 passages or multichannel more.Than direct employing 16 passages, 32 passages, 64 passages or more multichannel A/D acquisition module, greatly reduce A/D and gather resource, reduce chip size, and fundamentally reduced the power consumption of chip.
A/D acquisition module in the present embodiment is fully differential successive approximation (SAR)-analog-digital converter (ADC), the advantage such as that SAR-ADC has is low in energy consumption, high accuracy, high-resolution and small size.Fig. 4 is the structural representation of SAR-ADC in the wireless nerve signal detection chip of the embodiment of the present invention.As shown in Figure 4, the signal of process analogue signal multiplexer 300 enters switching capacity sample/hold circuit 410 and samples, sampled result together enters fully differential dynamic comparer 420 with digital to analog converter 430 transformation results and successively compares hand to hand, by successively approaching logic control circuit 440, carry out logic control, successively approach logic control circuit 440 and will export comparative result to digital to analog converter 430, the transformation result of digital to analog converter 430 compares with the sampled result of switching capacity sample/hold circuit 410 again, so circulation, until the transformation result of digital to analog converter approaches 410 sampled result most, by this numeric results output, thereby realizing analogue signal is converted to accurately digital signal and exports wireless sending module to.A/D acquisition module acquisition precision is 12, and port number is 8 passages, and single channel frequency acquisition is not less than 10kHz.
Fig. 5 is the structural representation of wireless sending module in the wireless nerve signal detection chip of the embodiment of the present invention.As shown in Figure 5, the signal of A/D acquisition module output is modulated by being input in radio frequency (RF) signal modulation circuit 510 of wireless transmitter module, then by micro-transmitting antenna 520, signal wireless is sent.Arrive this, wireless nerve signal detection chip has realized the detection of multi-channel nerve signal and wireless transmission.
Nerve signal detection chip that this is wireless, the whole low power dissipation design that adopts, described power module is powered by the miniature chargeable lithium cell of 3.3V, the fully differential SAR-ADC settling signal mould/number conversion of design low-power consumption, the tranmitting frequency that wireless sending module adopts be MHz level to reduce power consumption, the total power consumption of chip is lower than 30mW.
It should be noted that, the above-mentioned definition to each element is not limited in various concrete structures or the shape of mentioning in embodiment, and those of ordinary skill in the art can know simply and replace it.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a wireless nerve signal detection chip, comprising:
Signal amplifier, for amplifying the initial nerve signal of input;
Band filter, is connected with described signal amplifier, for the noise of initial nerve signal except nerve signal described in filtering;
A/D acquisition module; Be connected with described band filter, for the nerve signal of band filter output is sampled and A/D conversion;
Wireless sending module; Be connected with described A/D acquisition module, for the nerve signal carrying out after A/D conversion is sent by wireless mode; And
Power module, is connected with wireless sending module with described small signal amplifier, band filter, analogue signal multiplexer, A/D acquisition module, is used to it that energy is provided.
2. wireless nerve signal detection chip according to claim 1, when the initial nerve signal of being inputted by nerve microelectrode array is K road, also comprises: analogue signal multiplexer, is arranged between band filter and A/D acquisition module;
The signal amplification channel that described signal amplifier comprises K road, the signal amplification channel on this K road is respectively used to amplify for the initial nerve signal Zhong mono-initial nerve signal in tunnel in K road;
The bandpass filtering passage that described band filter comprises K road, the bandpass filtering passage on this K road is respectively used to for the initial nerve signal Zhong mono-initial nerve signal in tunnel in K road, the noise in this initial nerve signal of filtering except nerve signal;
Described analogue signal multiplexer, for by the nerve signal timesharing of filtered K road be sent to described A/D acquisition module;
Described A/D acquisition module, for timesharing the K road nerve signal of analogue signal multiplexer output sample and A/D changes;
Described wireless sending module, for sending the K road nerve signal carrying out after A/D conversion by wireless mode.
3. wireless nerve signal detection chip according to claim 2, wherein,
The signal sampling channel that described A/D acquisition module comprises N road;
Described analogue signal multiplexer comprises:
K way switch, this K way switch is divided into N group; For the i group switch in this N group switch, it comprises M way switch; A bandpass filtering passage that is connected to described band filter for any way switch ，Qi one end in this M way switch, its other end is connected to the i bars acquisition channel in the N road signal sampling channel in described A/D acquisition module, wherein, i=1,2,, N;
Controller, for being controlled at synchronization, controls in described N group switch the way switch in every group of switch in closure state; In one-period, control in this every group of switch each way switch closure once.
4. wireless nerve signal detection chip according to claim 3, wherein, all comprises M way switch in every group of switch in described N group switch;
The controlled frequency of described controller is at least M times of described A/D acquisition module frequency acquisition.
5. wireless nerve signal detection chip according to claim 4, wherein, the frequency of described A/D acquisition module frequency acquisition is 10kHz, the frequency that described controller is controlled K way switch break-make is 80kHz.
6. wireless nerve signal detection chip according to claim 3, described N=8, K=16,32 or 64.
7. wireless nerve signal detection chip according to claim 3, described A/D acquisition module is fully differential successive approximation-analog-digital converter.
8. according to the wireless nerve signal detection chip described in any one in claim 1 to 7, described signal amplifier meets following parameter: noise density when frequency is 1kHz is less than
Signal gain is not less than 60dB, and common mode rejection ratio is not less than 90dB.
9. according to the wireless nerve signal detection chip described in any one in claim 1 to 7, the passband of described band filter is 1Hz to 5kHz.
10. according to the wireless nerve signal detection chip described in any one in claim 1 to 7, by fixture, be worn on the head of animal; Described signal amplifier is connected with implantation micro-electrode having array.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104055510A (en) * | 2014-06-26 | 2014-09-24 | 浙江大学 | Wireless communication-based wearable rat olfactory nerve signal detection device and method |
| CN107193240A (en) * | 2017-07-13 | 2017-09-22 | 江苏易格生物科技有限公司 | A kind of high flux physiological signal collection analytical equipment |
| CN107970031A (en) * | 2017-07-24 | 2018-05-01 | 江苏博恩医疗科技有限公司 | A kind of high throughput multichannel electricity physiological signal record and stimulating system |
| CN109303556A (en) * | 2018-08-28 | 2019-02-05 | 中国人民解放军军事科学院军事医学研究院 | A kind of high throughput implantable nerve signal wireless transmission device |
| CN110811594A (en) * | 2019-11-22 | 2020-02-21 | 中国科学院电子学研究所 | Wireless wearable nerve signal detection device and system |
| CN110811628A (en) * | 2018-08-14 | 2020-02-21 | 智识互通(苏州)生物科技有限公司 | Gait image analysis system with synchronous transcranial direct current stimulation function |
| CN113180674A (en) * | 2021-06-10 | 2021-07-30 | 杭州电子科技大学温州研究院有限公司 | Miniature implantable neural signal recording system |
| CN113974654A (en) * | 2021-10-12 | 2022-01-28 | 杭州电子科技大学 | Miniaturized low-noise wireless invasive nerve signal recording equipment |
| CN114391855A (en) * | 2021-12-16 | 2022-04-26 | 光子集成(温州)创新研究院 | Multichannel optic nerve electric signal acquisition device |
| CN114403886A (en) * | 2022-01-10 | 2022-04-29 | 武汉衷华脑机融合科技发展有限公司 | Signal acquisition circuit for neural interface |
| CN114403884A (en) * | 2022-01-10 | 2022-04-29 | 武汉衷华脑机融合科技发展有限公司 | Signal acquisition circuit and signal acquisition method for neural interface |
| CN114947870A (en) * | 2022-06-16 | 2022-08-30 | 武汉衷华脑机融合科技发展有限公司 | Neural interface circuit with envelope detector and control method thereof |
| CN117595882A (en) * | 2024-01-19 | 2024-02-23 | 景昱医疗科技（苏州）股份有限公司 | Signal acquisition circuit, contact combination method, stimulator and implantable medical system |
| CN118333117A (en) * | 2024-06-13 | 2024-07-12 | 同济大学 | Neural interface chip, application method, system and medium thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060089112A1 (en) * | 2004-10-23 | 2006-04-27 | Pedro Irazoqui-Pastor | Wireless neural data acquisition system |
| US20060241392A1 (en) * | 2005-04-04 | 2006-10-26 | Igor Feinstein | Method and apparatus for wireless monitoring of subjects within a magnetic field |
| CN101833851A (en) * | 2010-04-28 | 2010-09-15 | 中国科学院半导体研究所 | High-speed low-power consumption signal transmission method applied to implanted record |
| CN102247137A (en) * | 2010-05-19 | 2011-11-23 | 中国科学院电子学研究所 | Microelectrode array-based multichannel neural information detection system |
-
2012
- 2012-06-28 CN CN201210221951.2A patent/CN103505198A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060089112A1 (en) * | 2004-10-23 | 2006-04-27 | Pedro Irazoqui-Pastor | Wireless neural data acquisition system |
| US20060241392A1 (en) * | 2005-04-04 | 2006-10-26 | Igor Feinstein | Method and apparatus for wireless monitoring of subjects within a magnetic field |
| CN101833851A (en) * | 2010-04-28 | 2010-09-15 | 中国科学院半导体研究所 | High-speed low-power consumption signal transmission method applied to implanted record |
| CN102247137A (en) * | 2010-05-19 | 2011-11-23 | 中国科学院电子学研究所 | Microelectrode array-based multichannel neural information detection system |
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| CN104055510B (en) * | 2014-06-26 | 2016-06-01 | 浙江大学 | Based on the Wearable rat olfactory nerve signal supervisory instrument of cableless communication |
| CN104055510A (en) * | 2014-06-26 | 2014-09-24 | 浙江大学 | Wireless communication-based wearable rat olfactory nerve signal detection device and method |
| CN107193240A (en) * | 2017-07-13 | 2017-09-22 | 江苏易格生物科技有限公司 | A kind of high flux physiological signal collection analytical equipment |
| CN107970031A (en) * | 2017-07-24 | 2018-05-01 | 江苏博恩医疗科技有限公司 | A kind of high throughput multichannel electricity physiological signal record and stimulating system |
| CN107970031B (en) * | 2017-07-24 | 2024-03-29 | 重庆博泰医疗科技有限公司 | High-flux multichannel electrophysiological signal recording and stimulating system |
| CN110811628A (en) * | 2018-08-14 | 2020-02-21 | 智识互通(苏州)生物科技有限公司 | Gait image analysis system with synchronous transcranial direct current stimulation function |
| CN109303556B (en) * | 2018-08-28 | 2022-07-12 | 中国人民解放军军事科学院军事医学研究院 | High-flux implantable neural signal wireless transmission device |
| CN109303556A (en) * | 2018-08-28 | 2019-02-05 | 中国人民解放军军事科学院军事医学研究院 | A kind of high throughput implantable nerve signal wireless transmission device |
| CN110811594A (en) * | 2019-11-22 | 2020-02-21 | 中国科学院电子学研究所 | Wireless wearable nerve signal detection device and system |
| CN113180674A (en) * | 2021-06-10 | 2021-07-30 | 杭州电子科技大学温州研究院有限公司 | Miniature implantable neural signal recording system |
| CN113974654B (en) * | 2021-10-12 | 2024-03-19 | 杭州电子科技大学 | Miniaturized low-noise wireless invasive nerve signal recording equipment |
| CN113974654A (en) * | 2021-10-12 | 2022-01-28 | 杭州电子科技大学 | Miniaturized low-noise wireless invasive nerve signal recording equipment |
| CN114391855A (en) * | 2021-12-16 | 2022-04-26 | 光子集成(温州)创新研究院 | Multichannel optic nerve electric signal acquisition device |
| CN114403884A (en) * | 2022-01-10 | 2022-04-29 | 武汉衷华脑机融合科技发展有限公司 | Signal acquisition circuit and signal acquisition method for neural interface |
| CN114403886A (en) * | 2022-01-10 | 2022-04-29 | 武汉衷华脑机融合科技发展有限公司 | Signal acquisition circuit for neural interface |
| CN114403886B (en) * | 2022-01-10 | 2024-06-28 | 武汉衷华脑机融合科技发展有限公司 | Signal acquisition circuit for neural interface |
| CN114947870A (en) * | 2022-06-16 | 2022-08-30 | 武汉衷华脑机融合科技发展有限公司 | Neural interface circuit with envelope detector and control method thereof |
| CN117595882A (en) * | 2024-01-19 | 2024-02-23 | 景昱医疗科技（苏州）股份有限公司 | Signal acquisition circuit, contact combination method, stimulator and implantable medical system |
| CN118333117A (en) * | 2024-06-13 | 2024-07-12 | 同济大学 | Neural interface chip, application method, system and medium thereof |
| CN118333117B (en) * | 2024-06-13 | 2024-08-27 | 同济大学 | Neural interface chip, application method, system and medium thereof |
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Application publication date: 20140115 |