CN107669453A - A kind of blind man's stick - Google Patents
A kind of blind man's stick Download PDFInfo
- Publication number
- CN107669453A CN107669453A CN201711176425.8A CN201711176425A CN107669453A CN 107669453 A CN107669453 A CN 107669453A CN 201711176425 A CN201711176425 A CN 201711176425A CN 107669453 A CN107669453 A CN 107669453A
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- China
- Prior art keywords
- stick
- blind man
- visually impaired
- impaired people
- control board
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
- A61H3/068—Sticks for blind persons
-
- 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
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/04—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons
- G08B21/0407—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons based on behaviour analysis
- G08B21/043—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons based on behaviour analysis detecting an emergency event, e.g. a fall
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/04—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons
- G08B21/0438—Sensor means for detecting
- G08B21/0446—Sensor means for detecting worn on the body to detect changes of posture, e.g. a fall, inclination, acceleration, gait
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
-
- 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
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/50—Control means thereof
- A61H2201/5023—Interfaces to the user
- A61H2201/5048—Audio interfaces, e.g. voice or music controlled
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Physical Education & Sports Medicine (AREA)
- Epidemiology (AREA)
- Pain & Pain Management (AREA)
- Gerontology & Geriatric Medicine (AREA)
- Rehabilitation Therapy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Psychiatry (AREA)
- Psychology (AREA)
- Social Psychology (AREA)
- Rehabilitation Tools (AREA)
Abstract
The invention discloses a kind of blind man's stick, by setting language calling device on blind man's stick, when visually impaired people needs to use blind man's stick, if blind man's stick is not placed on known to visually impaired people on position, as long as visually impaired people calls the address of setting, the identification of language calling device is called, and control board control sound prompt device sends response, so that visually impaired people can quickly and accurately find blind man's stick position；The state of blind man's stick is detected by setting acceleration transducer on blind man's stick, if detecting that blind man's stick has falling down, touching ground for burst, that is, prompting is sent, prompts the people of surrounding to notice whether visually impaired people falls down, collides, provide help to visually impaired people in time；The structure setting of whole blind man's stick is reasonable, meets requirement.
Description
Technical field
The present invention relates to a kind of blind man's stick.
Background technology
Because visually impaired people has defective vision, when visually impaired people needs to use blind man's stick, if blind man's stick is not placed on visually impaired
Known to personage on position, how to allow visually impaired people quickly and accurately to find blind man's stick position, be one and urgently to be resolved hurrily ask
Topic.
Therefore, prior art has yet to be improved and developed.
The content of the invention
It is an object of the invention to provide a kind of blind man's stick, it is intended to solves when visually impaired people needs to use blind man's stick, how to allow
Visually impaired people quickly and accurately finds the problem of blind man's stick position.
Technical scheme is as follows：A kind of blind man's stick, including blind man's stick body, the blind man's stick body include lever and cane
Bar, the lever and the orthogonal setting of stick stem；Wherein, control board and language calling device are provided with lever,
Sound prompt device is provided with lever, the language calling device is connected with control board, sound prompt device and control
Circuit board connects：By setting language calling device on blind man's stick, when visually impaired people needs to use blind man's stick, if blind man's stick does not have
It is placed on known to visually impaired people on position, as long as visually impaired people calls the address of setting, the identification of language calling device is called, control
Circuit board control sound prompt device processed sends response, so that visually impaired people can quickly and accurately find blind man's stick institute in place
Put.
Described blind man's stick, wherein, the acceleration transducer of sensing blind man's stick acceleration is provided with blind man's stick body, it is described to add
Velocity sensor is connected with control board：A normal acceleration value is preset, when acceleration transducer senses blind man's stick body
Acceleration be above standard acceleration magnitude when, illustrate visually impaired people may accidental falls or collision fall, control board control
Sound prompt device processed sends alarm sounds, prompts the people of surrounding to notice whether visually impaired people falls down, collides, in time to visually impaired
Personage provides help；When acceleration transducer senses that the acceleration of blind man's stick body is less than normal acceleration value, illustrate blind man's stick
Body is in normal use or is normally positioned, and control board control sound prompt device is failure to actuate.
Described blind man's stick, wherein, the scanning reading external world is provided with the front end face of lever and is stored with the two of positional information
The camera of code is tieed up, the camera is connected with control board：Gone out when visually impaired people holds blind man's stick, camera carries out two dimension
Code scanning, when camera is scanned to the Quick Response Code for being stored with positional information, by feedback of the information to control board, control circuit
Plate control sound prompt device sends prompting, prompts the current positional information of visually impaired people or the positional information of destination, helps
Visually impaired people smoothly arrives at.
Described blind man's stick, wherein, infrared induction head, infrared induction head sensing Infrared Beacon Source are provided with blind man's stick body
The infrared signal for including positional information of transmitting, the infrared induction head are connected with control board：When visually impaired people's holding is blind
Cane is gone out, and infrared induction head carries out infrared signal incessantly and sensed, when infrared induction head senses that Infrared Beacon Source is launched
The infrared signal comprising positional information when, by feedback of the information to control board, control board control sound prompt device
Prompting is sent, the current positional information of visually impaired people or the positional information of destination is prompted, helps visually impaired people smoothly to reach mesh
Ground.
Described blind man's stick, wherein, the Quick Response Code is made of waterproof paster paper.
Described blind man's stick, wherein, the camera uses CCD camera.
Described blind man's stick, wherein, the infrared induction head is arranged on lever or is arranged in stick stem.
Described blind man's stick, wherein, the infrared induction head is arranged on lever and stick stem.
Described blind man's stick, wherein, menu setecting knob is provided with the rear end face of lever, at the end of menu setecting knob
Portion is provided with ACK button, and the menu setecting knob is connected with control board, and ACK button is connected with control board.
Described blind man's stick, wherein, USB charging sockets, the USB charging sockets and control circuit are set on blind man's stick body
Plate connects, and charging can be achieved by USB charging sockets.
Beneficial effects of the present invention：The present invention is by providing a kind of blind man's stick, by setting language calling device on blind man's stick,
When visually impaired people needs to use blind man's stick, if blind man's stick is not placed on known to visually impaired people on position, as long as visually impaired people
The address of setting is called, the identification of language calling device is called, and control board control sound prompt device sends response, so that
Visually impaired people can quickly and accurately find blind man's stick position；By setting acceleration transducer to detect blind man's stick on blind man's stick
State, if detecting that blind man's stick has falling down, touching ground for burst, that is, prompting is sent, prompts whether the people of surrounding notices visually impaired people
Fall down, collide, provide help to visually impaired people in time；The structure setting of whole blind man's stick is reasonable, meets requirement.
Brief description of the drawings
Fig. 1 is the structural representation of blind man's stick in the present invention.
Embodiment
Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise " are based on orientation shown in the drawings or position relationship, are for only for ease of
Description is of the invention to be described with simplified, rather than the device or element of instruction or hint meaning must be with specific orientation, Yi Te
Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second " are only used for
Purpose is described, and it is not intended that instruction or hint relative importance or the implicit quantity for indicating indicated technical characteristic.
Thus, " first " is defined, the feature of " second " can be expressed or implicitly includes one or more feature.
In description of the invention, " multiple " are meant that two or more, unless otherwise specifically defined.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection or can mutually communicate；Can be joined directly together, can also be by between intermediary
Connect connected, can be connection or the interaction relationship of two elements of two element internals.For the ordinary skill of this area
For personnel, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it " under "
Can directly it be contacted including the first and second features, it is not directly to contact but pass through it that can also include the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " to include first special
Sign is directly over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " fisrt feature that includes are immediately below second feature and obliquely downward, or be merely representative of
Fisrt feature level height is less than second feature.
Following disclosure provides many different embodiments or example is used for realizing the different structure of the present invention.In order to
Simplify disclosure of the invention, hereinafter the part and setting of specific examples are described.Certainly, they are only example, and
And purpose does not lie in the limitation present invention.In addition, the present invention can in different examples repeat reference numerals and/or reference letter,
This repetition is for purposes of simplicity and clarity, between itself not indicating discussed various embodiments and/or setting
Relation.In addition, the invention provides various specific techniques and material examples, but those of ordinary skill in the art can be with
Recognize the application of other techniques and/or the use of other materials.
As shown in figure 1, a kind of blind man's stick, including blind man's stick body, the blind man's stick body includes lever 100 and stick stem 200, described
The 200 orthogonal setting of lever 100 and stick stem；Control board and language calling device are provided with lever 100, in lever
Sound prompt device is provided with 100, the language calling device is connected with control board, sound prompt device and control electricity
Road plate connection：By setting language calling device on blind man's stick, when visually impaired people needs to use blind man's stick, if blind man's stick is not put
Put and on position, as long as visually impaired people calls the address of setting, the identification call of language calling device, controlled known to visually impaired people
Circuit board control sound prompt device sends response, so that visually impaired people can quickly and accurately find blind man's stick position.
Specifically, when visually impaired people's accidental falls or collision are fallen, in order to which the people of surrounding can be reminded quickly to provide
Help, the acceleration transducer of sensing blind man's stick acceleration, the acceleration transducer and control electricity are provided with blind man's stick body
Road plate connection：A normal acceleration value is preset, is added when acceleration transducer senses that the acceleration of blind man's stick body is above standard
During velocity amplitude, illustrate that the possible accidental falls of visually impaired people or collision are fallen, control board control sound prompt device is sent
Alarm sounds, prompt the people of surrounding to notice whether visually impaired people falls down, collides, provide help to visually impaired people in time；When adding
When velocity sensor senses that the acceleration of blind man's stick body is less than normal acceleration value, illustrate blind man's stick body in normal use or
It is normally positioned, control board control sound prompt device is failure to actuate.
The positional information in the external world is known in order to facilitate visually impaired people, can be set as follows：（1）In the front end face of lever 100
On be provided with scanning and read the camera 300 that the external world is stored with the Quick Response Code of positional information, the camera 300 and control circuit
Plate connects：Gone out when visually impaired people holds blind man's stick, camera 300 carries out two-dimensional code scanning, when the scanning of camera 300 is to being stored with
During the Quick Response Code of positional information, by feedback of the information to control board, control board control sound prompt device sends prompting,
The current positional information of visually impaired people or the positional information of destination are prompted, helps visually impaired people smoothly to arrive at.（2）
Infrared induction first 400 is provided with blind man's stick body, what the first 400 sensing Infrared Beacon Source of infrared induction was launched includes positional information
Infrared signal, the infrared induction first 400 are connected with control board：Gone out when visually impaired people holds blind man's stick, infrared induction head
400, which carry out infrared signal incessantly, senses, when infrared induction first 400 senses believing comprising position for Infrared Beacon Source transmitting
During the infrared signal of breath, by feedback of the information to control board, control board control sound prompt device sends prompting, prompted
The current positional information of visually impaired people or the positional information of destination, visually impaired people is helped smoothly to arrive at.This technology side
Case, which need not connect network, can make visually impaired people obtain current positional information or the positional information of destination, side simple to operate
Just, cost is low, avoids network obstructed or the problem of network obstacles cause visually impaired people can not obtain positional information.
In order to ensure that the positional information of Quick Response Code memory storage can not use waterproof paster by external environment, the Quick Response Code
It is made, prevents wind from causing to damage to Quick Response Code as shone.Specifically, the camera 300 can not only scan reading Quick Response Code,
It can also sense whether identification surrounding environment has infrared signal.In the present embodiment, the camera 300 uses CCD camera.
Specifically, the quantity of the infrared induction first 400 according to be actually needed set.The infrared induction first 400 can be with
It is arranged on blind man's stick body anywhere, as long as can meet convenient sensing infrared signal, the infrared induction first 400 can be with
It is arranged on lever 100；Infrared induction first 400 can be arranged in stick stem 200；Infrared induction first 400 can be arranged on lever
100 and stick stem 200 on.
When visually impaired people wants to go to somewhere, destination can be quickly found out in order to facilitate blind man's stick, after lever 100
Menu setecting knob 500 is provided with end face, has ACK button, the menu choosing in the end set of menu setecting knob 500
Select knob 500 to be connected with control board, ACK button is connected with control board：Such as, when visually impaired people wants to go to toilet,
By turn menu setecting knob 500, per one gear of turn, control board control sound prompt device sends " XX menus
The prompting of selection ", when menu setecting knob 500 rotates to " destination selection " gear, control board control auditory tone cues
Device sends " destination selection " prompting, and visually impaired people presses ACK button, and system enters " destination selection " menu, visually impaired people
Scholar continues rotary menu selection knob 500, and per one gear of turn, control board control sound prompt device sends " consulting
Prompt to the purpose of platform ", " toilet ", " hospital ", when menu setecting knob 500 rotates to " toilet " gear, control electricity
Road plate control sound prompt device sends " toilet " prompting, and visually impaired people presses ACK button, and system confirms destination to wash
Between hand；Control board control camera 300 automatically scanning finds the Quick Response Code for being stored with " toilet " positional information, works as shooting
When first 300 scanning reads the Quick Response Code for being stored with " toilet " positional information, control board, control board control are fed back to
Sound prompt device processed sends " toilet is in your XX orientation " prompting, and instruction visually impaired people smoothly arrives at.
Specifically, this chargeable blind man's stick realizes charging for convenience, and USB charging sockets, institute are set on blind man's stick body
State USB charging sockets to be connected with control board, charging can be achieved by USB charging sockets, such as connected by USB charging sockets
Connect computer and realize charging.
The technical program on blind man's stick by setting language calling device, when visually impaired people needs to use blind man's stick, if
Blind man's stick is not placed on known to visually impaired people on position, as long as visually impaired people calls the address of setting, language calling device is known
Do not call, control board control sound prompt device send response so that visually impaired people can quickly and accurately find it is blind
Cane position；By setting acceleration transducer to detect the state of blind man's stick on blind man's stick, if detecting that blind man's stick has burst
Fall down, touch ground, that is, send prompting, prompt the people of surrounding to notice whether visually impaired people falls down, collides, visually impaired people is carried in time
For helping；The structure setting of whole blind man's stick is reasonable, meets requirement.
In the description of this specification, reference term " embodiment ", " some embodiments ", " schematically implementation
The description of mode ", " example ", " specific example " or " some examples " etc. means with reference to the embodiment or example description
Specific features, structure, material or feature are contained at least one embodiment or example of the present invention.In this specification
In, identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.Moreover, the specific spy of description
Sign, structure, material or feature can combine in an appropriate manner in any one or more embodiments or example.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can
To be improved or converted according to the above description, all these modifications and variations should all belong to the guarantor of appended claims of the present invention
Protect scope.
Claims (10)
1. a kind of blind man's stick, including blind man's stick body, the blind man's stick body includes lever and stick stem, and the lever and stick stem are orthogonal
Set；Characterized in that, being provided with control board and language calling device on lever, auditory tone cues is provided with lever
Device, the language calling device are connected with control board, and sound prompt device is connected with control board：By in blind man's stick
Upper setting language calling device, when visually impaired people needs to use blind man's stick, if blind man's stick is not placed on known to visually impaired people
On position, as long as visually impaired people calls the address of setting, the identification of language calling device is called, control board control auditory tone cues
Device sends response, so that visually impaired people can quickly and accurately find blind man's stick position.
2. blind man's stick according to claim 1, it is characterised in that adding for sensing blind man's stick acceleration is provided with blind man's stick body
Velocity sensor, the acceleration transducer are connected with control board：A normal acceleration value is preset, works as acceleration sensing
Device sense the acceleration of blind man's stick body be above standard acceleration magnitude when, illustrate visually impaired people may accidental falls or collision fall
, control board control sound prompt device send alarm sounds, prompt surrounding people notice visually impaired people whether fall down,
Collision, provides help to visually impaired people in time；When acceleration transducer senses that the acceleration of blind man's stick body accelerates less than standard
During angle value, illustrate blind man's stick body in normal use or be normally positioned, control board control sound prompt device is failure to actuate.
3. blind man's stick according to claim 2, it is characterised in that the scanning reading external world is provided with the front end face of lever and is deposited
The camera of the Quick Response Code of positional information is contained, the camera is connected with control board：When visually impaired people is held outside blind man's stick
Go out, camera carries out two-dimensional code scanning, when camera is scanned to the Quick Response Code for being stored with positional information, by feedback of the information to control
Circuit board processed, control board control sound prompt device send prompting, prompt visually impaired people current positional information or purpose
The positional information on ground, visually impaired people is helped smoothly to arrive at.
4. blind man's stick according to claim 2, it is characterised in that infrared induction head, infrared sense are provided with blind man's stick body
The infrared signal for including positional information of head sensing Infrared Beacon Source transmitting is answered, the infrared induction head connects with control board
Connect：Gone out when visually impaired people holds blind man's stick, infrared induction head carries out infrared signal incessantly and sensed, when infrared induction head sense
When should arrive the infrared signal comprising positional information of Infrared Beacon Source transmitting, by feedback of the information to control board, control circuit
Plate control sound prompt device sends prompting, prompts the current positional information of visually impaired people or the positional information of destination, helps
Visually impaired people smoothly arrives at.
5. blind man's stick according to claim 3, it is characterised in that the Quick Response Code is made of waterproof paster paper.
6. blind man's stick according to claim 3, it is characterised in that the camera uses CCD camera.
7. blind man's stick according to claim 4, it is characterised in that the infrared induction head is arranged on lever or be arranged on cane
On bar.
8. blind man's stick according to claim 4, it is characterised in that the infrared induction head is arranged on lever and stick stem.
9. blind man's stick according to claim 2, it is characterised in that menu setecting knob is provided with the rear end face of lever,
There is ACK button in the end set of menu setecting knob, the menu setecting knob is connected with control board, ACK button
It is connected with control board.
10. blind man's stick according to claim 2, it is characterised in that USB charging sockets, the USB are set on blind man's stick body
Charging socket is connected with control board, and charging can be achieved by USB charging sockets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711176425.8A CN107669453A (en) | 2017-11-22 | 2017-11-22 | A kind of blind man's stick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711176425.8A CN107669453A (en) | 2017-11-22 | 2017-11-22 | A kind of blind man's stick |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107669453A true CN107669453A (en) | 2018-02-09 |
Family
ID=61149648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711176425.8A Pending CN107669453A (en) | 2017-11-22 | 2017-11-22 | A kind of blind man's stick |
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| CN (1) | CN107669453A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110368276A (en) * | 2019-08-28 | 2019-10-25 | 石成明 | A kind of intelligence blind man's stick and blind way |
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| CN107072867A (en) * | 2016-12-26 | 2017-08-18 | 深圳前海达闼云端智能科技有限公司 | A kind of blind safety trip implementation method, system and wearable device |
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| CN201122957Y (en) * | 2007-07-31 | 2008-09-24 | 申中和 | Blindmen speech article-searching answering machine |
| CN101385676A (en) * | 2007-09-13 | 2009-03-18 | 上海市吴淞中学 | Intelligent blind guiding system |
| US20160005334A1 (en) * | 2014-06-13 | 2016-01-07 | Alibaba Group Holding Limited | Method and guide cane for guiding the blind |
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| CN205494329U (en) * | 2016-03-23 | 2016-08-24 | 张耐华 | Intelligence is saved oneself and is led blind walking stick |
| CN107072867A (en) * | 2016-12-26 | 2017-08-18 | 深圳前海达闼云端智能科技有限公司 | A kind of blind safety trip implementation method, system and wearable device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110368276A (en) * | 2019-08-28 | 2019-10-25 | 石成明 | A kind of intelligence blind man's stick and blind way |
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Application publication date: 20180209 |