CN101077232A - Human-computer interaction helmet for type computer - Google Patents
Human-computer interaction helmet for type computer Download PDFInfo
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- CN101077232A CN101077232A CN 200710023167 CN200710023167A CN101077232A CN 101077232 A CN101077232 A CN 101077232A CN 200710023167 CN200710023167 CN 200710023167 CN 200710023167 A CN200710023167 A CN 200710023167A CN 101077232 A CN101077232 A CN 101077232A
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- 230000003993 interaction Effects 0.000 title claims abstract description 23
- 230000004424 eye movement Effects 0.000 claims description 33
- 238000003384 imaging method Methods 0.000 claims description 25
- 238000009738 saturating Methods 0.000 claims description 14
- 240000006409 Acacia auriculiformis Species 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 210000005069 ears Anatomy 0.000 claims description 2
- 230000002452 interceptive effect Effects 0.000 abstract description 8
- 230000001105 regulatory effect Effects 0.000 abstract 2
- 238000000034 method Methods 0.000 description 6
- 230000000007 visual effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 210000003128 head Anatomy 0.000 description 4
- 239000000284 extract Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000003190 augmentative effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 210000004087 cornea Anatomy 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The present invention is one kind of human-computer interactive helmet for dressed computer. The human-computer interactive helmet includes a micro display and location regulator, a box, a sight line tracker, a back baffle, a helmet support, a top tightness regulating belt, a back tightness regulating belt, an earphone and a microphone. It has sight line tracking function and can complete human-computer interaction phonetically. The present invention may be applied widely in aviation, spaceflight, machine building and other fields with occupied hands.
Description
Technical field
The invention belongs to eye tracking measuring instrument and human-computer interaction technique field.
Background technology
Wearable computer is a kind of individual movable computing system of new ideas.Will be in the extremely important and special purposes of various field performances.But because its special structural characteristics, its cluster keyboard, track ball mouse in actual use, operability is not strong.For aviation, manufacturing, electric power, military affairs etc. can not the thorough liberation people the application of both hands, at present, it is powerless that wearable computer seems.
The mode that man-machine interaction method combines with device (Chinese patent CN:1584791A) employing eye movement instrument, voice channel, order button, by PLC control apparatus equipment, for the user of individuals with disabilities or computer literacy scarcity provides a kind of novel man-machine interaction instrument, but because it has disposed control such as PLC household electrical appliance, being difficult to be applied to wearable computer etc. needs the both hands of liberate people and makes things convenient for the user to carry out the application scenario of mobile working.
Summary of the invention
The objective of the invention is to develop a kind of eye tracking function that has, and can realize wearable computer is carried out wearing of man-machine interaction by cooperating voice channel, the application of wearable computer can be expanded, the man-machine interaction helmet of wearable computer can be promoted in the popularization practice in augmented reality field.
A kind of man-machine interaction helmet that is used for wearable computer.It is characterized in that, comprise miniscope and position regulator, casing, eye movement sight tracking device, backboard, helmet support, crown portion degree of tightness adjustment band, back of head degree of tightness adjustment band, earphone, microphone.Wherein said miniscope and position regulator are installed in left side, helmet support front portion or right side, and be corresponding with people's left eye or right eye; Described casing is installed in helmet support front end and connects into the obturator with interior space with the backboard that is fixed on the helmet support; Described eye movement sight tracking device is encapsulated in the space of casing and backboard formation, and is fixed on the helmet support by eye movement tracking means support bar; Described crown portion degree of tightness adjustment band links to each other with helmet support and places the helmet to prop up the vertical direction of top of the trellis; Described back of head degree of tightness adjustment band links to each other with helmet support and places the horizontal direction at helmet support rear portion; Described earphone is installed in left side and the right side on the helmet support corresponding with people's left ear and auris dextra; Described microphone links to each other with earphone; Described eye movement sight tracking device, comprise backstay behind spectroscope prelocalization bar, light path support, infrared Eye imaging machine, the saturating sheet of infrared height, infrared spotlight, the spectroscope, semi-transparent semi-reflecting spectroscope, wherein said semi-transparent semi-reflecting spectroscopical front end is connected positioning and fixing with spectroscope prelocalization bar, backstay is connected positioning and fixing behind rear end and the spectroscope, constitutes the low fixed-site that is 45 degree inclinations angle in the high rear end of semi-transparent semi-reflecting spectroscopical front end; Backstay is erected to be fixed on light path support front and back ends respectively behind described spectroscope prelocalization bar and the spectroscope; The saturating sheet of described infrared height is installed in the bottom of light path support with horizontal direction, and the saturating sheet of this infrared height is as the leg-of-mutton right-angle side of 45 degree, and backstay be another right-angle side behind the spectroscope, and semi-transparent semi-reflecting spectroscope constitutes the space as hypotenuse and is 45 right angled triangles of spending; Described infrared spotlight is fixed on light path support rear lower near the saturating sheet of infrared height, and described infrared Eye imaging machine is erected to be fixed on the central authorities of light path support, and is corresponding with the saturating sheet of infrared height.
Described miniscope and position regulator comprise that miniscope, the adjustment articulated joint of miniscope position, miniscope front and back position anchor tip, right side miniscope front and back position are adjusted guide rail, left side miniscope front and back position is adjusted guide rail.Wherein miniscope is rectangular in shape, vertical right-angle side is a display, another horizontal right-angle side is a crossbeam, the end of this crossbeam is connected in the end that articulated joint is adjusted in the miniscope position, this miniscope position is adjusted the articulated joint other end and is connected with miniscope front and back position anchor tip, and this miniscope front and back position anchor tip is installed in left side miniscope front and back position and adjusts on guide rail or the right side miniscope front and back position adjustment guide rail.
The Eye imaging machine leftward position adjustment screw that can link to each other with infrared Eye imaging machine left side is equipped with in the left side of described eye movement sight tracking device, and the Eye imaging machine right positions adjustment screw that can link to each other with infrared Eye imaging machine right side is equipped with on the right side of eye movement sight tracking device equally.
The present invention is mainly used in the expansion wearable computer can't liberate the various applications of user's both hands, cooperate control with voice channel by eye tracking, the function that has replaced wearable computer system crafty plot ball mouse and cluster keyboard, has advantage flexible and convenient to use, remedied the deficiency of existing interactive mode, improve mutual reliability, had good market prospects.
Description of drawings
Fig. 1 is used for the front view of the man-machine interaction helmet of wearable computer
Fig. 2 is used for the vertical view of the man-machine interaction helmet of wearable computer
Fig. 3 is used for the left view of the man-machine interaction helmet of wearable computer
Fig. 4 is the A-A cutaway view of Fig. 2
Fig. 5 is miniscope and the position regulator schematic diagram that the B-B of Fig. 1 analyses and observe
Fig. 6 is the composition schematic diagram of the C-C of Fig. 1 eye movement sight tracking device of analysing and observe
Fig. 7 is the D-D cutaway view of Fig. 3
Label title among the above-mentioned figure: 1. miniscope and position regulator, 2. casing, 3. eye movement sight tracking device, 4. backboard, 5. helmet support, 6. miniscope front and back position in right side is adjusted guide rail, 7. crown portion degree of tightness adjustment band, 8. left side miniscope front and back position adjustment guide rail, 9. earphone, 10. microphone, 11. back of head degree of tightness adjustment bands, 12. miniscopes, 13. articulated joint is adjusted in the miniscope position, 14. miniscope front and back position anchor tip, 15. spectroscope prelocalization bars, 16. light path supports, 17. infrared Eye imaging machine, 18. the saturating sheet of infrared height, 19. infrared spotlights, backstay behind 20. spectroscopes, 21. semi-transparent semi-reflecting spectroscope, 22. Eye imaging machine leftward position is adjusted screw, 23. eye movement tracking means support bars, and 24. Eye imaging machine right positions are adjusted screw.
Fig. 8 is miniscope and eye movement eye tracking light path principle figure
Fig. 9 is a fundamental diagram of the present invention
The specific embodiment
1 to accompanying drawing 7 narration composition of the present invention and embodiments in conjunction with the accompanying drawings
The present invention by miniscope and position regulator 1, casing 2, eye movement sight tracking device 3, backboard 4, helmet support 5, the degree of tightness adjustment of crown portion be with 7, earphone 9, microphone 10, the adjustment of back of head degree of tightness be with 11 to form.Wherein said miniscope and position regulator 1 can be installed in left eye or right eye front portion according to user's needs.Miniscope and position regulator 1 are adjusted guide rail 8 and are formed by miniscope 12, the adjustment articulated joint 13 of miniscope position, miniscope front and back position anchor tip 14, right side miniscope front and back position adjustment guide rail 6, left side miniscope front and back position as shown in Figure 5.Miniscope 12 is used to show the computer screen information after the man-machine interaction; High and low position and the position, the left and right sides that articulated joint 13 is used to adjust miniscope adjusted in the miniscope position; Miniscope front and back position anchor tip 14 is according to the actual custom of user, can be installed in right side miniscope front and back position and adjust on guide rail 6 or the left side miniscope front and back position adjustment guide rail 8, be used to adjust the distance apart from human eye of miniscope.
Described eye movement sight tracking device 3 is used to follow the tracks of direction of visual lines, mainly adjust screw 24 and form, as Fig. 6, shown in Figure 7 by backstay 20, semi-transparent semi-reflecting spectroscope 21, Eye imaging machine leftward position adjustment screw 22, eye movement tracking means support bar 23, Eye imaging machine right positions behind spectroscope prelocalization bar 15, light path support 16, infrared Eye imaging machine 17, the saturating sheet 18 of infrared height, infrared spotlight 19, the spectroscope.Backstay 20 is used for semi-transparent semi-reflecting spectroscope and support 21 are carried out 45 degree location behind spectroscope prelocalization bar 15 and the spectroscope, micrometer adjusting screw is arranged at backstay 20 tops behind the spectroscope, can be according to the actual fine position of carrying out of user, when not needing man-machine interaction, the user pushes away on the backstay 20 after with spectroscope, the latter half of backstay behind the spectroscope 20 can be shunk into the first half, spectroscope prelocalization bar 15 levels do not influence the user and work normally; Light path support 16 is used for fixing infrared Eye imaging machine 17, the saturating sheet 18 of infrared height, infrared spotlight 19; Infrared Eye imaging machine 17 is used to obtain current eyes image; The saturating sheet 18 of infrared height is used for the infrared light reflection of eye reflections is formed the eye image signal to video camera; Infrared spotlight 19 is used on the eyes of user cornea forming the reflections of high brightness point, i.e. the pul spot of admiring; Be used to reflect the eye infrared light in the semi-transparent semi-reflecting spectroscope 21, the human-machine interactive information that the user watches the front display to provide is not provided; Eye imaging machine leftward position is adjusted screw 22 and is used for being positioned at user's left eye when anterior when micro-display and position regulator 1 and eye movement tracking means 3, finely tunes the horizontal range of eye movement tracking means 3.Eye movement tracking means support bar 23 is used to support eye movement tracking means 3, and can as required eye movement tracking means 3 be slided on eye movement tracking means support bar 23, adjusts eye movement tracking means 3 and is positioned at user's left eye or right eye front portion.Eye imaging machine right positions is adjusted screw 24 and is used for being positioned at user's right eye when anterior when micro-display and position regulator 1 and eye movement tracking means 3, finely tunes the horizontal range of eye movement tracking means 3.
Eye movement eye tracking light path principle figure as shown in Figure 8.When the user need carry out man-machine interaction, the user is placed on the miniscope horizontal level, the infrared light supply that is fixed on user's eye oblique upper shines user's eye, the infrared light of user's eye reflection enters the Eye imaging machine of top after the anti-optical filter reflection of the infrared height in user the place ahead, the sensor devices of Eye imaging machine converts optical signal to be convenient to handle the signal of telecommunication and forms eyes image.Enter wearable computer after the image digitazation of the image pick-up card that utilization links to each other with wearable computer with the collection of Eye imaging machine, adopt image processing techniques to extract the pupil center of reflection direction of visual lines, obtain user's direction of visual lines in conjunction with the direction of visual lines computation model, thereby reach the purpose of tracking.When not needing to carry out man-machine interaction, the user can rotate to miniscope the appropriate location that does not influence operate as normal, thereby works normally.
Shown in Figure 9 is operation principle schematic diagram of the present invention.By Fig. 9 and above-mentioned accompanying drawing as can be known, man-machine interaction method of the present invention is:
1. the input of interactive information: (1) utilizes eye movement tracking means 3 wearable computer image pick-up cards to catch direction of visual lines, extracts and the extraction of corneal reflection center through pupil center, demarcates or blinkpunkt calculating, finishes the eye movement eye tracking; (2) voice signal is input in the internal memory of wearable computer through microphone 10 and wearable computer sound card, extracts and identification by standard voice training or sound characteristic, finishes standard warehouse-in or commands match, realizes the information input of voice channel.
2. the output of interactive information: the video output of (1) miniscope 12; (2) the wearable computer control voice output of earphone 9 down.
3. system work process: after system started, when needs obtained human-machine interactive information, 2 kinds of exchange methods were worked simultaneously, cooperated the user to finish man-machine information interaction.When the user does not need to obtain human-machine interactive information, the user rotates to casing 2 upsides with microphone 10, with pushing away semi-transparent semi-reflecting spectroscope and support 21 in the have gentle hands gently, pack up backstay 20 behind the spectroscope, make semi-transparent semi-reflecting spectroscope and support 21 be horizontal level, miniscope 12 is adjusted twist joint 13 rotate to casing 2 upsides around the miniscope position, this moment, miniscope 12 and eye movement sight tracking device 3 were all withdrawn the eyes of user front portion, but user's operate as normal.
Technical characteristics of the present invention
(1) helmet-mounted display and semi-transparent semi-reflecting spectroscopical integrated design, integrated level height, mechanism design Simply; (2) whole light path design has satisfied the eye tracking needs, simultaneously when not needing to carry out man-machine interaction, Retracting device does not affect user's normal operation easily; (3) adjust twist joint by the miniscope position With the design of left and right sides miniscope front and back position adjustment guide rail, can carry out according to the particular user sight line is actual About the display display position, up and down, horizontal adjustment; (4) man-machine interaction can replace cluster keyboard and track Ball mouse.
Claims (3)
1. man-machine interaction helmet that is used for wearable computer, it is characterized in that, comprise miniscope and position regulator (1), casing (2), eye movement sight tracking device (3), backboard (4), helmet support (5), crown portion degree of tightness adjustment band (7), back of head degree of tightness adjustment band (11), earphone (9), microphone (10).Wherein said miniscope and position regulator (1) are installed in anterior left side of helmet support (5) or right side, and be corresponding with people's left eye or right eye; Described casing (2) is installed in helmet support (5) front end and connects into the obturator with interior space with the backboard (4) that is fixed on the helmet support (5); Described eye movement sight tracking device (3) is encapsulated in the space of casing (2) and backboard (4) formation, and is fixed on the helmet support (5) by eye movement tracking means support bar (23); Described crown portion's degree of tightness adjustment band (7) links to each other with helmet support (5) and places the vertical direction at helmet support (5) top; Described back of head degree of tightness adjustment band (11) links to each other with helmet support (5) and places the horizontal direction at helmet support (5) rear portion; Described earphone (9) is installed in left side and the right side on the helmet support (5) corresponding with people's left ear and auris dextra; Described microphone (10) links to each other with earphone (9); Described eye movement sight tracking device (3), comprise backstay (20) behind spectroscope prelocalization bar (15), light path support (16), infrared Eye imaging machine (17), the saturating sheet of infrared height (18), infrared spotlight (19), the spectroscope, semi-transparent semi-reflecting spectroscope (21), the front end of wherein said semi-transparent semi-reflecting spectroscope (21) is connected positioning and fixing with spectroscope prelocalization bar (15), backstay (20) is connected positioning and fixing behind rear end and the spectroscope, constitutes the low fixed-site that is 45 degree inclinations angle in the high rear end of front end of semi-transparent semi-reflecting spectroscope (21); Backstay (20) is erected to be fixed on light path support (16) front and back ends respectively behind described spectroscope prelocalization bar (15) and the spectroscope; The saturating sheet of described infrared height (18) is installed in the bottom of light path support (16) with horizontal direction, the saturating sheet of this infrared height (18) is as the leg-of-mutton right-angle side of 45 degree, backstay behind the spectroscope (20) is another right-angle side, and semi-transparent semi-reflecting spectroscope (21) constitutes the right angled triangle that the space is 45 degree as hypotenuse; Described infrared spotlight (19) is fixed on light path support (16) rear lower near the saturating sheet of infrared height (18), and described infrared Eye imaging machine (17) is erected to be fixed on the central authorities of light path support (16), and is corresponding with the saturating sheet of infrared height (18).
2. the man-machine interaction helmet that is used for wearable computer according to claim 1, it is characterized in that described miniscope and position regulator (1), comprise miniscope (12), articulated joint (13) is adjusted in the miniscope position, miniscope front and back position anchor tip (14), right side miniscope front and back position is adjusted guide rail (6), left side miniscope front and back position is adjusted guide rail (8), wherein miniscope is rectangular in shape, vertical right-angle side is a display, another horizontal right-angle side is a crossbeam, the end of this crossbeam is connected in the end that articulated joint (13) is adjusted in the miniscope position, this miniscope position is adjusted articulated joint (13) other end and is connected with miniscope front and back position anchor tip (14), and this miniscope front and back position anchor tip (14) is installed in left side miniscope front and back position and adjusts on guide rail (8) or the right side miniscope front and back position adjustment guide rail (6).
3. the man-machine interaction helmet that is used for wearable computer according to claim 1 and 2, it is characterized in that, the Eye imaging machine leftward position adjustment screw (22) that can link to each other with infrared Eye imaging machine (17) left side is equipped with in the left side of described eye movement sight tracking device (3), and the Eye imaging machine right positions adjustment screw (24) that can link to each other with infrared Eye imaging machine (17) right side is equipped with on the right side of eye movement sight tracking device (3) equally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710023167 CN101077232A (en) | 2007-06-07 | 2007-06-07 | Human-computer interaction helmet for type computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710023167 CN101077232A (en) | 2007-06-07 | 2007-06-07 | Human-computer interaction helmet for type computer |
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| CN101077232A true CN101077232A (en) | 2007-11-28 |
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| CN 200710023167 Pending CN101077232A (en) | 2007-06-07 | 2007-06-07 | Human-computer interaction helmet for type computer |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100487568C (en) * | 2007-05-29 | 2009-05-13 | 南京航空航天大学 | Enhanced real natural interactive helmet with sight line follow-up function |
| CN101995944A (en) * | 2009-08-24 | 2011-03-30 | 仇锐铿 | Electrooculogram control system and method for controlling cursor by using eye electricity control system |
| CN102147210A (en) * | 2010-02-05 | 2011-08-10 | 中国人民解放军军事医学科学院微生物流行病研究所 | Bio-control digitized individual-soldier helmet system |
| CN102193631A (en) * | 2011-05-05 | 2011-09-21 | 上海大学 | Wearable three-dimensional gesture interaction system and using method thereof |
| CN103293673A (en) * | 2013-06-03 | 2013-09-11 | 卫荣杰 | Cap integrated with display, eye tracker and iris recognition instrument |
| CN103838378A (en) * | 2014-03-13 | 2014-06-04 | 广东石油化工学院 | Head wearing type eye control system based on pupil recognition positioning |
| CN104199196A (en) * | 2014-09-04 | 2014-12-10 | 北京理工大学 | Waveguide-type integrated imaging three-dimensional display system with eye-movement tracking function |
| CN105408802A (en) * | 2013-06-25 | 2016-03-16 | 微软技术许可有限责任公司 | Eye-tracking system for head-mounted display |
| CN105976816A (en) * | 2016-05-06 | 2016-09-28 | 上海航天测控通信研究所 | Head device based intelligent voice recognition system |
| CN106454257A (en) * | 2016-11-03 | 2017-02-22 | 张家港市宏泰建筑机械有限公司 | Internet remote different-place guiding device |
| CN106464797A (en) * | 2014-06-03 | 2017-02-22 | 索尼公司 | Lifelog camera and method of obtaining a digital image tagged with corrected image direction information |
| CN106908951A (en) * | 2017-02-27 | 2017-06-30 | 阿里巴巴集团控股有限公司 | Virtual reality helmet |
| CN107319671A (en) * | 2017-07-07 | 2017-11-07 | 李知臻 | One kind has communication warning function power construction helmet |
| CN111093146A (en) * | 2019-12-23 | 2020-05-01 | 全球能源互联网研究院有限公司 | Emergency communication system and emergency communication method |
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2007
- 2007-06-07 CN CN 200710023167 patent/CN101077232A/en active Pending
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100487568C (en) * | 2007-05-29 | 2009-05-13 | 南京航空航天大学 | Enhanced real natural interactive helmet with sight line follow-up function |
| CN101995944A (en) * | 2009-08-24 | 2011-03-30 | 仇锐铿 | Electrooculogram control system and method for controlling cursor by using eye electricity control system |
| CN102147210A (en) * | 2010-02-05 | 2011-08-10 | 中国人民解放军军事医学科学院微生物流行病研究所 | Bio-control digitized individual-soldier helmet system |
| CN102193631A (en) * | 2011-05-05 | 2011-09-21 | 上海大学 | Wearable three-dimensional gesture interaction system and using method thereof |
| CN103293673A (en) * | 2013-06-03 | 2013-09-11 | 卫荣杰 | Cap integrated with display, eye tracker and iris recognition instrument |
| CN103293673B (en) * | 2013-06-03 | 2015-04-01 | 卫荣杰 | Cap integrated with display, eye tracker and iris recognition instrument |
| CN105408802A (en) * | 2013-06-25 | 2016-03-16 | 微软技术许可有限责任公司 | Eye-tracking system for head-mounted display |
| US10228561B2 (en) | 2013-06-25 | 2019-03-12 | Microsoft Technology Licensing, Llc | Eye-tracking system using a freeform prism and gaze-detection light |
| CN103838378A (en) * | 2014-03-13 | 2014-06-04 | 广东石油化工学院 | Head wearing type eye control system based on pupil recognition positioning |
| CN103838378B (en) * | 2014-03-13 | 2017-05-31 | 广东石油化工学院 | A kind of wear-type eyes control system based on pupil identification positioning |
| CN106464797A (en) * | 2014-06-03 | 2017-02-22 | 索尼公司 | Lifelog camera and method of obtaining a digital image tagged with corrected image direction information |
| CN106464797B (en) * | 2014-06-03 | 2019-06-11 | 索尼公司 | Obtain the method and electronic device for being marked with the digital picture of modified image direction |
| CN104199196A (en) * | 2014-09-04 | 2014-12-10 | 北京理工大学 | Waveguide-type integrated imaging three-dimensional display system with eye-movement tracking function |
| CN105976816A (en) * | 2016-05-06 | 2016-09-28 | 上海航天测控通信研究所 | Head device based intelligent voice recognition system |
| CN106454257A (en) * | 2016-11-03 | 2017-02-22 | 张家港市宏泰建筑机械有限公司 | Internet remote different-place guiding device |
| CN106454257B (en) * | 2016-11-03 | 2024-02-20 | 深圳市裕讯移动通信有限公司 | Internet remote guiding device |
| CN106908951A (en) * | 2017-02-27 | 2017-06-30 | 阿里巴巴集团控股有限公司 | Virtual reality helmet |
| US11442270B2 (en) | 2017-02-27 | 2022-09-13 | Advanced New Technologies Co., Ltd. | Virtual reality head-mounted apparatus with a partial-reflection partial-transmission wedge |
| CN107319671A (en) * | 2017-07-07 | 2017-11-07 | 李知臻 | One kind has communication warning function power construction helmet |
| CN111093146A (en) * | 2019-12-23 | 2020-05-01 | 全球能源互联网研究院有限公司 | Emergency communication system and emergency communication method |
| CN111093146B (en) * | 2019-12-23 | 2021-05-11 | 全球能源互联网研究院有限公司 | Emergency communication system and emergency communication method |
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