CN106405873B - A kind of navigation system - Google Patents
A kind of navigation system Download PDFInfo
- Publication number
- CN106405873B CN106405873B CN201610417605.XA CN201610417605A CN106405873B CN 106405873 B CN106405873 B CN 106405873B CN 201610417605 A CN201610417605 A CN 201610417605A CN 106405873 B CN106405873 B CN 106405873B
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- Prior art keywords
- infrared
- module
- infrared reflecting
- floor tile
- road floor
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C11/00—Non-optical adjuncts; Attachment thereof
- G02C11/10—Electronic devices other than hearing aids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H3/00—Appliances for aiding patients or disabled persons to walk about
- A61H3/06—Walking aids for blind persons
- A61H3/061—Walking aids for blind persons with electronic detecting or guiding means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H3/00—Appliances for aiding patients or disabled persons to walk about
- A61H3/06—Walking aids for blind persons
- A61H3/066—Installations on the floor, e.g. special surfaces, to guide blind persons
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C11/00—Non-optical adjuncts; Attachment thereof
- G02C11/04—Illuminating means
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/16—Signs formed of or incorporating reflecting elements or surfaces, e.g. warning signs having triangular or other geometrical shape
Abstract
A kind of navigation system, including eyeglasses frame, image module, voice module, power module, charging module and infrared reflecting mark；Wherein image module includes image processing unit, infrared light supply and infrared camera, infrared light supply is used to issue infrared light towards infrared reflecting mark direction, infrared camera is then used to capture the infrared light being reflected back by infrared reflecting mark and generates infrared image, described image processing unit is used to analyze the infrared image that processing is generated by the infrared camera and processing result is reached the voice module, to realize navigation feature.Navigation system of the invention has many advantages, such as that of simple structure and low cost, exploitativeness is strong, navigation is accurate, applied widely.
Description
Technical field
It is the present invention relates to a kind of navigation system, in particular to a kind of for visually impaired person or the navigation system of blind person.
Background technique
Estimate that the year two thousand twenty China dysopia number is up to more than 5,000 ten thousand according to official, and China will appear newly every year
Blind person about 450,000, low visual acuity 1,350,000, i.e., about just will appear 1 blind person, 3 low visual acuity patients per minute.Current China blind way
Design there are many problems, design lack of standardization, maintenance not in time, barrier road occupying the problems such as drastically influence the walking peace of blind person
Entirely, and single blind way is unable to satisfy demand of the blind person to free and relaxed walking, therefore how to enable blind person or low visual acuity person
Enough being dissolved into this society goes preferably life to have become current problem in the urgent need to address, to solve this problem and primarily appoint
Business is exactly to enable the walking of blind person's safe and free in city space.
In recent years, many focal pointes once developed the tool of some help blind person walkings, such as: leading with loudspeaker
Navigate rod, and advantage is evening capable of emitting light, passerby and driver is reminded, the disadvantage is that perishable, too sensitive；Find out the guide of front obstacle
Shoes, advantage is can be through on foot, the disadvantage is that measurement range is small, without voice prompting；It carries ultrasonic listening and GPS is fixed
Position device, advantage measurement range is big, the disadvantage is that local accuracy is lower and higher cost.At present exclusively for the navigation of blind person's design
Glasses type is seldom, and technology content is not high or expensive mostly, and when blind person is outgoing does not have the help of relevant device,
Them are caused to go out to be inconvenient.
In place of above-mentioned the deficiencies in the prior art, it is therefore desirable to develop one kind for blind person and structure is simple, carries
The navigation spectacles convenient, cost is relatively low, navigation accuracy is high.
Summary of the invention
The purpose of the present invention is to provide a kind of navigation system, including eyeglasses frame, image module, voice module, power supply
Module, charging module and infrared reflecting mark；Wherein,
The eyeglasses frame, including frame, the bridge of the nose, the first temple, the second temple, the first mirror pin and the second mirror pin, it is described
The shape of the bridge of the nose is that level offers rectangular through-hole at cuboid and center；
Described image module is mutually matched in the rectangular through holes and with the rectangular through holes, including image
Processing unit, infrared light supply and infrared camera, the infrared light supply and the infrared camera horizontal interval arrange；It is described red
Outer light source is used to issue infrared light towards infrared reflecting mark direction, and the infrared camera is then used to capture by described infrared
Infrared light that reflecting marking is reflected back simultaneously generates infrared image, and described image processing unit infrared is taken the photograph for analyzing processing by described
As it is first-born at infrared image and processing result is reached into the voice module；
The voice module, the end in first temple and close to first mirror pin, including voice unit,
Earphone interface and earphone；The voice module passes through the earphone according to the processing result of described image processing unit to blind person
Issue voice prompting；
First power module and the second power supply module are located at first temple and second temple
End upper and close to the frame, for powering to the navigation spectacles；
The charging module, the end in second temple and close to second mirror pin, including charhing unit
And charging interface, for charging for first power module and the second power supply module；
The infrared reflecting mark, in the ambient enviroment of blind person walking, for made of infrared reflecting material
Figure with mark action, the infrared light issued for reflecting the infrared light supply.
Preferably, the intermediate position of first temple and second temple is equipped with multiple LED flashes.
Preferably, the infrared light supply is infrared light-emitting diode LED or LED array.
Preferably, the infrared camera is wide-angle camera, and shooting angle is 150 degree.
Preferably, the infrared light supply and the 1~2cm of infrared camera horizontal interval.
Preferably, the both ends of described image module are additionally provided with shaft, and described image module is fixed on by the shaft
On the bridge of the nose and realize 30 degree of angle rotations clockwise or counterclockwise.
Preferably, the charging interface is that charging and data transmit two-in-one interfaces.
Preferably, bluetooth module is provided in first mirror pin.
Preferably, the voice module further includes the microphone on the earphone.
Preferably, GPS module is provided in second mirror pin.
Preferably, the infrared reflecting material is metal powder.
Preferably, the structure of the infrared reflecting mark is Pasting or heat-fusible flake.
Preferably, the infrared reflecting, which is identified as, has mark by what infrared reflecting points one or more on blind road floor tile formed
The figure of knowledge effect.
Preferably, the infrared reflecting point is located on traveling blind road floor tile the middle position of each strip bulge or positioned at mentioning
Show the surface of circular protrusions on blind road floor tile.
Preferably, on the traveling blind road floor tile totally 4 infrared reflecting points and connect after straight line is presented, for indicating
Normal walking is on traveling blind way.
The distribution of the infrared reflecting point is provided that on the prompt blind road floor tile
It totally 8 infrared reflecting points and presents after connecting on the prompt blind road floor tile and rotates 45 degree of square, for table
Bend will be entered or will enter straight way by showing；
Totally 5 infrared reflecting points and 45 degree of the oblique line of being tilted to the right is presented after connecting on the prompt blind road floor tile, is used for
Expression is turned round to the right；
Totally 5 infrared reflecting points and 45 degree of the oblique line of being tilted to the left is presented after connecting on the prompt blind road floor tile, is used for
Expression is turned round to the left；
On the prompt blind road floor tile totally 8 infrared reflecting points and connect after present it is T-shaped, for indicating road junction
Mouthful；
On the prompt blind road floor tile totally 9 infrared reflecting points and connect after present " ten " font, for indicating four crossway
Mouthful.
It should be appreciated that aforementioned description substantially and subsequent detailed description are exemplary illustration and explanation, it should not
As the limitation to the claimed content of the present invention.
Detailed description of the invention
With reference to the attached drawing of accompanying, the more purposes of the present invention, function and advantage are by the as follows of embodiment through the invention
Description is illustrated, in which:
Fig. 1 schematically shows the structural schematic diagram of navigation spectacles of the present invention；
Fig. 2 schematically shows the application schematic diagram of navigation system of the present invention；
Fig. 3 (a) to Fig. 3 (f) schematically shows the blind road floor tile with infrared reflecting mark；
Fig. 4 (a) to Fig. 4 (f) schematically shows the blind road floor tile with infrared reflecting mark of infrared camera shooting
Image；
Fig. 5 schematically shows blind person and uses the application scenario diagram of navigation system of the present invention.
Specific embodiment
By reference to exemplary embodiment, the purpose of the present invention and function and the side for realizing these purposes and function
Method will be illustrated.However, the present invention is not limited to exemplary embodiment as disclosed below；Can by different form come
It is realized.The essence of specification is only to aid in those skilled in the relevant arts' Integrated Understanding detail of the invention.
Hereinafter, the embodiment of the present invention will be described with reference to the drawings.In the accompanying drawings, identical appended drawing reference represents identical
Or similar component or same or like step.
Fig. 1 shows a kind of structural schematic diagram of blind men navigation spectacles 100 according to the present invention.Navigation spectacles of the invention
100 include eyeglasses frame 1, image module 2, voice module 3, the first power module 4, second power supply module 5, charging module 6.
Eyeglasses frame 1, including frame 101, the bridge of the nose 102, the first temple 103, the second temple 104, the first mirror pin 105 and
Two mirror pins 106.The bridge of the nose 102 is cuboid and central horizontal for connecting two frames 101, the shape of the bridge of the nose 102
Rectangular through-hole is offered, the through-hole is for placing image module 2.The centre of first temple 103 and the second temple 104
Position is equipped with multiple LED flashes 7, is used for night alarm.
Image module 2, positioned at the centre (as shown in Figure 2) of the bridge of the nose 102, including image processing unit 201, infrared light supply
202 and infrared camera 203；The infrared light supply 202 is infrared light-emitting diode LED or LED array.The infrared camera
203 be wide-angle camera, and shooting angle is up to 150 degree.The infrared light supply 202 and 203 horizontal interval of infrared camera
Arrangement, is spaced about 1~2cm.
The infrared camera 203 is formed for obtaining the infrared light for being issued and being reflected back by infrared light supply 202
Infrared image.The image of 201 pairs of image processing unit acquisitions is handled and is analyzed, and analysis result is finally reached voice module
3 and make a sound prompt.
Preferably, the both ends of described image module 2 are additionally provided with shaft 204, and are fixed on the bridge of the nose by its shaft 204
On 102 and realize 30 degree of angle rotations clockwise or counterclockwise, thus realize the shooting function of Multi-orientation multi-angle, such as when
30 degree are then rotated clockwise when needing to shoot ground downwards.
Voice module 3, the end in the first temple 103 and close to the first mirror pin 106, including voice unit 301, ear
Machine interface 302 and earphone 303.Institute's speech units 301 are issued according to the different analysis results that image processing unit 201 transmits
Different voice promptings.
First power module 4 and second power supply module 5 are located in the first temple 103 and the second temple 104 and close
The end of frame 101 is remarkably improved using dual power supply and is led for the electricity consumption module for power supply to the navigation spectacles 100
The cruising ability of boat glasses 100.
Charging module 6, the end in the second temple 104 and close to the second mirror pin 106, including 601 He of charhing unit
Charging interface 602, for charging for the first power module 4 and second power supply module 5.Preferably, the charging interface 602
Two-in-one interfaces are transmitted for charge data, charge function both may be implemented, can also carry out data transmission, such as can be by this
Interface 602 uploads voice data into voice module 3.
Preferably, it is provided with bluetooth module 8 in the first mirror pin 105, which can be with other with bluetooth function
The equipment of energy is communicated, such as smart phone, wearable device etc..It is further preferred that the voice module 3 further includes being located at
Microphone 304 on earphone 303, such blind person 10 realize auto-pickup smart phone using bluetooth module 8 and voice module 3
Phone, can also be used to broadcast listening or music etc..
Preferably, it is provided with GPS module 9 in the second mirror pin 106, for positioning the general location and offer of blind person 10
Voice Navigation service, blind person 10 can clearly know the general location locating for oneself by the GPS module 9 in real time, such as
So-and-so street, so-and-so landmark nearby etc., effectively prevent blind person 10 and get lost the generation of phenomenon.
The infrared reflecting being arranged in the ambient enviroment that navigation spectacles 100 of the present invention are mainly walked using blind person 10 identifies
It navigates, what the infrared reflecting was identified as made of infrared reflecting material (such as metal powder etc.) with mark action
Figure, the infrared light issued for reflecting the infrared light supply 202.When infrared light supply 202 is irradiated to the infrared reflecting mark of surrounding
Reflex can occur when knowledge, infrared camera 203 will capture infrared external reflection light and generate infrared image at this time, at image
Reason unit 201 carries out identifying processing to infrared image and obtains recognition result (the representative figure of i.e. current infrared reflecting mark
Meaning), final voice module 3 issues different phonetic according to different image recognition results and prompts, to ensure the row of blind person
Walk safety.
The present invention also provides a kind of navigation system 200, the navigation system 200 includes the navigation spectacles of aforementioned present invention
100 and infrared reflecting mark, as shown in Fig. 2, infrared reflecting mark is divided into mark 11 and land marking 12 on the ground.Blind person 10
Mark 11 on the ground or the information of land marking 12 can be known in wearing after the navigation spectacles 100 by voice, to realize
Navigation function.The ground mark 11 and land marking 12 are Pasting or heat-fusible flaky texture, so as to direct
Paste or be thermally melted in the surface of guideboard, billboard, metope, blind road floor tile or special Sign Board.
Fig. 3 to Fig. 5 shows one embodiment of navigation system 200 of the present invention, in this embodiment the infrared reflecting
Identifying (i.e. land marking 11) is that one or more infrared reflecting points 15 form, and infrared reflecting point 15 is constituted with mark
The figure of knowledge effect.Blind road floor tile be divided into traveling blind road floor tile 13 and prompt blind road floor tile 14, wherein have bar shaped guidance brick be
Traveling blind road floor tile 13 (such as Fig. 3 (a)), it is forward for guiding blind person or blind person to trust；Prompt brick with dot is that prompt is blind
(such as Fig. 3 (b) to Fig. 3 (f)) is set to road floor tile 14 for prompting the space environment in front of blind person or blind person that will change
Starting point, terminal and the corner of traveling blind road floor tile 13.
As shown in Fig. 3 (a), the middle position of each strip bulge is pasted, heats or is embedded on traveling blind road floor tile 13
There is infrared reflecting point 15, can also be integrally formed with traveling blind road floor tile 13, all connections of 4 infrared reflectings point 15 show straight line i.e.
The figure (i.e. infrared reflecting mark) with mark action is formd, for identifying the width of traveling blind road floor tile 13, to prevent
Blind person 10 deviates blind way when walking.
Similarly, it as shown in Fig. 3 (b) to Fig. 3 (f), is selectively glued on the circular protrusions surface of prompt blind road floor tile 14
Infrared reflecting point 15 is pasted, heated or be embedded with, can also be integrally formed during fabrication with prompt blind road floor tile 14；Wherein in Fig. 3 (b)
8 infrared reflecting points 15 presented after connecting rotate 45 degree of square, presented after 5 connections of infrared reflecting points 15 in Fig. 3 (c) to
In the oblique line that 45 degree of right bank, Fig. 3 (d) 5 infrared reflecting points 15 presented after connecting be tilted to the left 45 degree oblique line, in Fig. 3 (e)
8 infrared reflecting points 15 are presented 9 infrared reflecting points 15 in T-shaped, Fig. 3 (f) and " ten " font are presented after connecting after connecting, point
It is used to not indicate that bend will be entered or straight way, turn to the right, to the left turn, the junction of three roads and crossroad will be entered.
It can be obtained when the infrared camera 203 of navigation spectacles 100 of the present invention shoots blind road floor tile towards front lower place
Different mark shapes, and specifically which kind of mark is analyzed by image processing unit 201, further analysis result is reached
Voice module 3, so that issuing voice prompt blind 10 by earphone 303 pays attention to blind way turning.Navigation system through the invention
200 can be accurately identified blind person 10 be expert at pass by Cheng Qian side blind way prompt information and front whether have barrier, simultaneously
The scope of activities that can effectively improve blind person 10 and walking safety are positioned to blind person 10 in conjunction with the GPS module 9.
Since city blind way is built due to lack of standardization or blind way occupies etc. by other objects, cause the walking of blind person 10 in blind way
When there is a certain security risk, the navigation system 200 can effectively solve this problem, infrared camera through the invention
203 obtain 15 image of infrared identification point on blind way, through not included in the analysis image of image processing unit 201 or entirely including red
Outer identification point 15, then prompting 10 front blind way of blind person by voice module 3, there are barriers, so that effective guarantee blind person 10 is blind
Walking safety on road.
Fig. 5 shows blind person 10 using the application scenario diagram of navigation system of the present invention, wears navigation spectacles 100 of the present invention
Blind person 10 walk on blind way, adjust the shooting angle of the infrared camera 203 so as to towards front lower place shoot blind road floor tile
On infrared reflecting point 15.As shown in figure 5, blind person 10 first corner will successively hear be from straight way enter it is curved
Road turns round to the right, enters the voice promptings such as straight way from bend；Second corner will successively hear be from straight way enter
The junction of three roads turns round to the left or turns round to the right, enters the voice promptings such as straight way from bend, when blind person 10 deviates in the process of walking
Voice module 3 can be issued to remind and lead back on blind way and be walked when blind way.
Navigation spectacles of the present invention and navigation system can effectively help blind person 10 safely to walk with infrared anti-
In the city space that cursor is known or on blind way, what is be simple and efficient solves the problems, such as that city blind way utilization rate is low, need only be existing
Increase infrared reflecting mark on blind way, the scope of activities for improving blind person has of simple structure and low cost, exploitativeness
By force, it navigates the advantages that accurate, applied widely.
The attached drawing is only schematical and draws not in scale.Although have been combined preferred embodiment to the present invention into
Description is gone, it is to be understood that protection scope of the present invention is not limited to embodiment as described herein.
In conjunction with the explanation and practice of the invention disclosed here, the other embodiment of the present invention is for those skilled in the art
It all will be readily apparent and understand.Illustrate and embodiment is regarded only as being exemplary, true scope of the invention and purport are equal
It is defined in the claims.
Claims (5)
1. a kind of navigation system, including eyeglasses frame, image module, voice module, the first power module, second power supply module,
Charging module and infrared reflecting mark；Wherein,
The eyeglasses frame, including frame, the bridge of the nose, the first temple, the second temple, the first mirror pin and the second mirror pin, the bridge of the nose
Shape be that level offers rectangular through-hole at cuboid and center；
Described image module is mutually matched in the rectangular through holes and with the rectangular through holes, including image procossing
Unit, infrared light supply and infrared camera, the infrared light supply and the infrared camera horizontal interval arrange；The infrared light
Source is used to issue infrared light towards infrared reflecting mark direction, and the infrared camera is then used to capture by the infrared reflecting
It identifies the infrared light being reflected back and generates infrared image, described image processing unit is for analyzing processing by the infrared camera
Processing result is simultaneously reached the voice module by the infrared image of generation；
The voice module, the end in first temple and close to first mirror pin, including voice unit, earphone
Interface and earphone；The voice module is issued according to the processing result of described image processing unit by the earphone to blind person
Voice prompting；
First power module and the second power supply module, be located in first temple and second temple and
Close to the end of the frame, for powering to the navigation system；
The charging module, the end in second temple and close to second mirror pin, including charhing unit and fill
Electrical interface, for charging for first power module and the second power supply module；
The infrared reflecting mark, in the ambient enviroment of blind person walking, to have made of infrared reflecting material
The figure of mark action, the infrared light issued for reflecting the infrared light supply；
GPS module is provided in second mirror pin；The infrared reflecting material is metal powder；
The infrared reflecting mark is divided into mark and land marking on the ground, is Pasting or heat-fusible flaky texture.
2. navigation system according to claim 1, it is characterised in that: the infrared reflecting is identified as by blind road floor tile one
The figure with mark action of a or multiple infrared reflecting point compositions.
3. navigation system according to claim 2, it is characterised in that: the infrared reflecting point is located on traveling blind road floor tile
The middle position of each strip bulge or positioned at prompt blind road floor tile on circular protrusions surface.
4. navigation system according to claim 3, it is characterised in that: totally 4 described infrared on the traveling blind road floor tile
Straight line is presented after reflective spot and connection, for indicating normal walking in traveling blind way.
5. navigation system according to claim 3, it is characterised in that: the infrared reflecting point on the prompt blind road floor tile
Distribution be provided that
It totally 8 infrared reflecting points and presents after connecting on the prompt blind road floor tile and rotates 45 degree of square, be for expression
Bend will be entered or straight way will be entered；
Totally 5 infrared reflecting points and 45 degree of the oblique line of being tilted to the right is presented after connecting on the prompt blind road floor tile, for indicating
It turns round to the right；
Totally 5 infrared reflecting points and 45 degree of the oblique line of being tilted to the left is presented after connecting on the prompt blind road floor tile, for indicating
It turns round to the left；
On the prompt blind road floor tile totally 8 infrared reflecting points and connect after present it is T-shaped, for indicating the junction of three roads；
On the prompt blind road floor tile totally 9 infrared reflecting points and connect after present " ten " font, for indicating crossroad.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610417605.XA CN106405873B (en) | 2016-06-13 | 2016-06-13 | A kind of navigation system |
| CN201910130273.0A CN109828389B (en) | 2016-06-13 | 2016-06-13 | Navigation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610417605.XA CN106405873B (en) | 2016-06-13 | 2016-06-13 | A kind of navigation system |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910130273.0A Division CN109828389B (en) | 2016-06-13 | 2016-06-13 | Navigation system |
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| Publication Number | Publication Date |
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| CN106405873A CN106405873A (en) | 2017-02-15 |
| CN106405873B true CN106405873B (en) | 2019-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610417605.XA Active CN106405873B (en) | 2016-06-13 | 2016-06-13 | A kind of navigation system |
| CN201910130273.0A Active CN109828389B (en) | 2016-06-13 | 2016-06-13 | Navigation system |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910130273.0A Active CN109828389B (en) | 2016-06-13 | 2016-06-13 | Navigation system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112384183A (en) * | 2020-10-15 | 2021-02-19 | 曹庆恒 | Intelligent blind sidewalk system, blind person walking assisting device and method based on intelligent blind sidewalk system |
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| IT1280700B1 (en) * | 1995-11-08 | 1998-01-30 | Marta Marangoni | GLASSES FOR THE BLIND AND DEAF-BLIND, EQUIPPED WITH SENSORS ABLE TO REVEAL OBSTACLES AND INDICATE THEIR DISTANCE |
| CN1181456C (en) * | 2001-07-24 | 2004-12-22 | 王森林 | Electronically guided typhlosolis and intelligent blind's road sign system |
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| JP2009273521A (en) * | 2008-05-12 | 2009-11-26 | Niigata Univ | Navigation system for arthroscopical surgery |
| JP5816257B2 (en) * | 2010-03-22 | 2015-11-18 | コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． | System and method for tracking observer's line of sight |
| CN101849880B (en) * | 2010-04-07 | 2013-03-27 | 上海市金山区第一少年宫 | Blind aid system based on infrared sensing geometrical characteristic recognition |
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| CN203825313U (en) * | 2013-12-16 | 2014-09-10 | 智博锐视（北京）科技有限公司 | Blind navigation glasses |
| CN103646531A (en) * | 2013-12-26 | 2014-03-19 | 威海北洋电气集团股份有限公司 | Mine personnel positioning device and method based on infrared sensors |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101239014A (en) * | 2008-01-31 | 2008-08-13 | 浙江大学 | Blindman traffic guidance system |
| CN103458838A (en) * | 2011-02-24 | 2013-12-18 | 埃西斯创新有限公司 | An optical device for the visually impaired |
| CN205176903U (en) * | 2015-08-24 | 2016-04-20 | 北京蚁视科技有限公司 | Reflection of light point marker that can encode |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106405873A (en) | 2017-02-15 |
| CN109828389B (en) | 2020-06-09 |
| CN109828389A (en) | 2019-05-31 |
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