CN110833481A - Intelligent vision-impaired vision rehabilitation instrument and application thereof - Google Patents
Intelligent vision-impaired vision rehabilitation instrument and application thereof Download PDFInfo
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- CN110833481A CN110833481A CN201810940872.4A CN201810940872A CN110833481A CN 110833481 A CN110833481 A CN 110833481A CN 201810940872 A CN201810940872 A CN 201810940872A CN 110833481 A CN110833481 A CN 110833481A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/04—Eye-masks ; Devices to be worn on the face, not intended for looking through; Eye-pads for sunbathing
- A61F9/045—Eye-shades or visors; Shields beside, between or below the eyes
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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
- A61H3/061—Walking aids for blind persons with electronic detecting or guiding means
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Abstract
The invention provides an intelligent vision-impairment restoring instrument.A main PCB control board and brown light-transmitting lenses are sequentially arranged in a frame of an eyeshade main body from back to front; the left side of the upper part of the back of the main PCB control panel is provided with a left photoelectric sensor, the right side of the upper part of the back of the main PCB control panel is provided with a right photoelectric sensor, and the middle part of the front of the main PCB control panel is sequentially provided with a photoelectric sensor inclined to the front upper side by a certain angle, a front photoelectric sensor and a laser ranging sensor inclined to the front lower side by a certain angle from top to bottom; the detection distance of the front photoelectric sensor to the front obstacle is 1 m-3 m; the detection radius of the left photoelectric sensor and the right photoelectric sensor is 30 cm-40 cm. The invention can help visually impaired people, especially blind people, to actively avoid obstacles and dangerous environments, so that the visually impaired people can walk alone, and the visually impaired people can be enabled to see the 'light', thereby improving the life experience quality and the independent living ability of the visually impaired people.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to an intelligent vision-impairment vision-restoring instrument and application thereof.
Background
China is a serious disaster area of the visually impaired patients and is the country with the largest number of visually impaired people in the world. The limitation of vision makes the visually impaired people unable to observe the road surface when walking, so the visually impaired people are one of the most inconvenient people to go out in all the disabled groups. It remains the biggest problem and challenge for most blind friends to go. The reason why the blind people are reluctant to go out is that the blind people can encounter various inconveniences and dangers in the process of going out, and according to the research and reference on the spot, the main reasons of hindering the blind people from going out are listed as follows: 1) and a guide dog: due to the special variety requirements of the blind guiding dogs, higher training cost and the like, the number of the blind guiding dogs which can help visually impaired people go out in the range of China is very small, and a large number of visually impaired people can only go out by means of the traditional blind guiding stick; 2) the traditional blind guiding stick: the traditional blind guiding stick is deficient in function during traveling, so that sufficient information cannot be provided, and the traveling of visually impaired people is full of unknowns and risks; meanwhile, the blind guiding stick can be ceaselessly swung left and right and beat the ground, and the time is long and the blind guiding stick is hard; 3) and blind road problem: the blind sidewalk is sometimes too conspicuous, which causes some disputes in urban landscape and also makes the visually impaired people who are users feel dull. The main roads in the urban area are mostly provided with blind roads to facilitate the travel of the blind, however, some blind roads become 'broken roads', some blind roads are 'cut' midway by other facilities, the requirements of the blind can not be met, even a section of zigzag blind road is called as 'most pitted blind road' by net friends because of 26 right-angled bends in 50 meters; 4) and the problem of walking: when the blind people walk, if the blind people completely depend on the belt of the blind people, a lot of inconvenience is caused after a long time, and therefore the blind people can feel hard when going out.
How to design an intelligent vision-impaired vision recovery instrument and application thereof, how to enable vision-impaired people, especially blind people, to actively avoid obstacles, and how to enable the vision-impaired people, especially blind people, to independently walk out, becomes a problem which needs to be solved urgently.
Disclosure of Invention
In view of the above disadvantages of the prior art, an object of the present invention is to provide an intelligent vision rehabilitation apparatus for visually impaired people, especially blind people, and an application thereof, for solving the problem that visually impaired people, especially blind people, cannot actively avoid obstacles and cannot walk alone.
In order to achieve the purpose, the invention provides an intelligent vision rehabilitation instrument for the visual impairment, which is similar to an eye shield in appearance and comprises an eye shield main body made of silica gel, wherein the eye shield main body is of an integrated structure consisting of an eye shield frame in front and frame legs at two sides, and the intelligent vision rehabilitation instrument for the visual impairment is characterized in that: the upper part, the lower part, the left part and the right part of the eyeshade frame are respectively provided with a photoelectric sensor light-transmitting hole corresponding to the position of the photoelectric sensor, the rear part of the eyeshade main body is provided with an elastic fixing band, and two ends of the elastic fixing band are respectively connected with the tail ends of the two frame legs;
a main PCB control panel and a brown light-transmitting lens are sequentially arranged in the frame of the eyeshade main body from back to front;
the left side of the upper part of the back of the main PCB control panel is provided with a left photoelectric sensor, the right side of the upper part of the back of the main PCB control panel is provided with a right photoelectric sensor, and the middle part of the front of the main PCB control panel is sequentially provided with a photoelectric sensor inclined to the front upper side by a certain angle, a front photoelectric sensor and a laser ranging sensor inclined to the front lower side by a certain angle from top to bottom;
the detection distance of the front photoelectric sensor to the front obstacle is 1 m-3 m, when the front obstacle is detected in the detection distance, the alarm and the reminding are gradually enhanced, and a user is informed of stopping advancing or changing the direction and avoiding by voice;
the detection radius of the left photoelectric sensor and the right photoelectric sensor is 30-40 cm, and when an obstacle is detected to be combined on any one side or two sides of the left side or the right side in the detection radius, the left side or the right side or both sides of the left side or the right side can be reminded of the fact that an object exists on the left side or the right side or both sides of the left side or the right side are reminded of the.
In an embodiment of the invention, the middle parts of the inner sides of the two frame legs of the eyeshade main body are sequentially provided with the built-in loudspeaker and the built-in vibrator from back to front, the middle parts of the outer sides of the two frame legs are respectively provided with a convex rib, the convex ribs are internally provided with built-in wires, and the built-in wires are respectively connected with the built-in loudspeaker, the built-in vibrator and the main PCB control board; the built-in speaker can emit the beep and voice in an audible manner.
In an embodiment of the present invention, the photoelectric sensor inclined forward and upward at a certain angle is used for detecting the front upper part, the detection radius of the photoelectric sensor is 20cm to 30cm, and when an obstacle is detected within the detection radius, the photoelectric sensor can remind the user that an object is on the top of the head through voice, so that the user can pay attention to safety.
In an embodiment of the present invention, the laser distance measuring sensor inclined at a certain angle forward and downward is used for detecting a downward height difference within a distance of 1m from the front portion.
The invention provides a method for identifying steps and pits by an intelligent vision impairment restoring instrument, which is characterized by comprising the following steps: the method comprises the following operation steps:
A) the laser ranging sensor detects the height difference on the ground:
detecting the height drop on the ground by a laser ranging sensor inclined to the front lower part at a certain angle;
B) constant setting:
when the detected height difference value is within a safe range (the change amplitude is small), the height difference value is set to be a constant value;
C) and judging the difference value:
judging the obstacle condition according to the difference value of the constant minus the detected height and fall difference value;
the calculated difference is 15-25 cm, and when the difference is a positive number, the step is judged to be upward; when the difference value is negative, judging that the step is downward;
when the calculated difference is more than 25cm and is a positive number, judging that the ground has an obstacle;
when the calculated difference is more than 25cm and is a negative number, judging that the ground has a pit;
when the calculated difference is less than 15cm and is a positive number, judging that the ground has a roadblock;
when the calculated difference is less than 15cm and is a negative number, judging that the ground has a shallow pit;
the control processor can obtain different corresponding processing signals according to different detection results and drive a subsequent reminding device to help the visually impaired people to make an obstacle avoidance in advance.
The invention provides an application of an intelligent vision-impairment restoring instrument, which is characterized in that: the intelligent wearing device is an eye shield worn on the head, intelligent identification is carried out by combining a plurality of photoelectric sensors, an electronic logic control processor and software, the photoelectric sensors are used for sensing reflected light by a synchronous loop according to the reflection principle of an object to a near infrared light beam, whether the reflected light exists or not is detected according to the strength of the reflected light, so that a feedback signal is obtained, the distance of the object is obtained through analysis of a logic operation controller, whether obstacles exist on the upper oblique side, the front side and the left and right sides of the head of a person, whether high and low fall exists around the feet and whether steps exist in the front side are judged, a built-in loudspeaker is output according to the judgment and a sound mode or a built-in vibrator is used for reminding visual obstacles and blind persons in a vibration mode, so that the visual obstacles and blind persons can walk freely outside, and the obstacles or the environment condition can be sensed and avoided in advance through judgment, thereby improving the self-life action ability of the visually impaired.
The invention can help visually impaired people, especially blind people, to actively avoid obstacles and dangerous environments, so that the visually impaired people can walk out of a room with great confidence and can walk out independently, the visually impaired people can meet the 'brightness', the life experience quality and the independent living ability of the visually impaired people are improved, and the economic benefit and the social benefit are good when the visually impaired people are popularized and applied.
Drawings
Fig. 1 is a schematic view of the mounting structure of the present invention.
Fig. 2 is an exploded view of the present invention.
In the figure: 1. tightening and loosening the fixing belt; 2. an eyeshade main body; 3. a built-in speaker; 4. a vibrator is arranged inside; 5. a brown clear lens; 6. a rib is protruded; 7. a left photosensor; 8. a main PCB control panel; 9. a photoelectric sensor inclined forward and upward at a certain angle; 10. a right photosensor; 11. a front photosensor; 12. the laser ranging sensor inclines a certain angle towards the front lower part; 13. and a light hole of the photoelectric sensor.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Please refer to fig. 1-2. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms such as "upper", "lower", "left", "right", "middle", and "one", "front" and "back" used in the present specification are used for clarity of description, and are not intended to limit the scope of the present invention, and changes or modifications of the relative relationship between the terms and the corresponding parts are also considered to be the scope of the present invention without substantial changes in the technical content.
As shown in fig. 1, an intelligent vision rehabilitation instrument for visual impairment comprises an eyeshade main body 2 made of silica gel, wherein the eyeshade main body 2 is an integrated structure consisting of an eyeshade frame in front and frame legs at two sides, and is characterized in that: the upper part, the lower part, the left part and the right part of the eyeshade frame are respectively provided with a photoelectric sensor light-transmitting hole 13 corresponding to the position of the photoelectric sensor, the rear part of the eyeshade main body 2 is provided with an elastic fixing band 1, and two ends of the elastic fixing band 1 are respectively connected with the tail ends of the two frame legs;
as shown in fig. 2, a main PCB control board 8 and a brown light-transmitting lens 5 are sequentially arranged in the frame of the eyeshade main body 2 from the back to the front;
a left photoelectric sensor 7 is arranged on the left side of the upper part of the back of the main PCB control board 8, a right photoelectric sensor 10 is arranged on the right side of the upper part of the back of the main PCB control board 8, and a photoelectric sensor 9, a front photoelectric sensor 11 and a laser ranging sensor 12 which are inclined to the front upper side and the front lower side by a certain angle are sequentially arranged in the middle of the front of the main PCB control board 8 from top to bottom;
the detection distance of the front photoelectric sensor 11 to the front obstacle is 1 m-3 m, when the front obstacle is detected in the detection distance, the alarm and the reminding are gradually strengthened, and a user is informed of stopping advancing or changing the direction and avoiding by voice;
the detection radius of the left photoelectric sensor 7 and the right photoelectric sensor 10 is 30-40 cm, and when an obstacle is detected to be combined on any one side or two sides of the left side or the right side in the detection radius, the left side or the right side or both sides of the left side or the right side can be reminded of the fact that an object exists on the left side or the right side or both sides of the left side or the right side are provided with objects;
the middle parts of the inner sides of two frame legs of the eyeshade main body 2 are sequentially provided with the built-in loudspeaker 3 and the built-in vibrator 4 from back to front, the middle parts of the outer sides of the two frame legs are respectively provided with a convex rib 6, built-in wires are arranged in the convex ribs 6, and the built-in wires are respectively connected with the built-in loudspeaker 3, the built-in vibrator 4 and the main PCB control board 8; the built-in loudspeaker 3 can emit a beep and a voice in an acoustic mode;
the photoelectric sensor 9 which is inclined forward and upward at a certain angle is used for detecting the upper part of the front part, the detection radius is 20 cm-30 cm, and when an obstacle is detected in the detection radius, the photoelectric sensor can remind a user that an object is on the top of the head through voice, so that the user can pay attention to safety;
the laser ranging sensor 12 which is inclined forward and downward at a certain angle is used for detecting the height drop of the lower part within 1m of the front part;
the invention provides a method for identifying steps and pits by an intelligent vision impairment restoring instrument, which is realized by utilizing a laser ranging sensor and a matched logic control processor; the working principle of the laser ranging sensor is as follows: the laser diode is aligned to a target to emit laser pulses, the laser is scattered in all directions after being reflected by the target, and part of scattered light returns to the sensor receiver and is imaged on the avalanche photodiode after being received by the optical system; the avalanche photodiode is an optical sensor having an amplification function inside, so that it can detect an extremely weak optical signal, record and process the time elapsed from the emission of the optical pulse to the reception of the return, and determine the target distance, characterized in that: the method comprises the following operation steps:
A) the laser ranging sensor detects the height difference on the ground:
detecting the height drop on the ground through a laser ranging sensor 12 which is inclined to the front lower part by a certain angle;
B) constant setting:
when the detected height difference value is within a safe range (the change amplitude is small), the height difference value is set to be a constant value;
C) and judging the difference value:
judging the obstacle condition according to the difference value of the constant minus the detected height and fall difference value;
the calculated difference is 15-25 cm, and when the difference is a positive number, the step is judged to be upward; when the difference value is negative, judging that the step is downward;
when the calculated difference is more than 25cm and is a positive number, judging that the ground has an obstacle;
when the calculated difference is more than 25cm and is a negative number, judging that the ground has a pit;
when the calculated difference is less than 15cm and is a positive number, judging that the ground has a roadblock;
when the calculated difference is less than 15cm and is a negative number, judging that the ground has a shallow pit;
the control processor can obtain different corresponding processing signals according to different detection results and drive a subsequent reminding device to help the visually impaired people to make an obstacle avoidance in advance.
The invention provides an application of an intelligent vision-impairment restoring instrument, which is characterized in that: the intelligent wearing device is an eye shield worn on the head, intelligent identification is carried out by combining a plurality of photoelectric sensors, an electronic logic control processor and software, the photoelectric sensors are used for sensing reflected light by a synchronous loop according to the reflection principle of an object to a near infrared light beam, whether the reflected light exists or not is detected according to the strength of the reflected light, so that a feedback signal is obtained, the distance of the object is obtained through analysis by a logic operation controller, whether obstacles exist on the upper oblique side, the front side and the left and right sides of the head of a person, whether high and low fall exists around the feet and whether steps exist in the front side are judged, and the intelligent wearing device outputs a built-in loudspeaker 3 through signals according to the judgment to remind visual obstacles and blind persons in a sound mode or a built-in vibrator 4 in a vibration mode so that the visual obstacles and blind persons can walk freely outside, and can sense and avoid the obstacles or danger in advance through judging the conditions of the obstacles or the environment, thereby improving the self-life action ability of the visually impaired.
When the intelligent identification device is specifically implemented, visual barrier personnel, particularly blind personnel, can be helped to independently observe surrounding barrier objects, steps, pits or ditches, and the intelligent identification device helps the visual barrier personnel and the blind personnel to actively avoid the barriers and dangerous environments, so that the visual barrier personnel and the blind personnel can walk out of a room and can independently walk out, the blind personnel can stand out of the room, the blind personnel and the blind personnel can stand out of the room, and the life experience quality and the independent life.
The device of the invention sets a certain safety distance as default for distinguishing the objects in front, obliquely above and on the left and right sides, only needs to do simple single prompt notification when obstacles or dangerous factors exist outside the distance range, does not do any prompt within the safety range, strengthens alarm and prompt when the distance between the obstacles in the front reaches 1.5m and 3.0m, and informs the user of stopping advancing or changing direction and avoiding by voice; when the distance between the left side barrier and the right side barrier is close to about 30cm, the left side barrier or the right side barrier can be reminded of the existence of the object through voice, and the user does not need to collide; if the distance between the object above the head top is about 20cm, the voice reminding device can remind the head top of the object, so that the safety is noticed; when the height difference of the foot is about 20cm +/-5 cm near about 1.0m in the front part under the foot, a step or a pit is indicated under the foot. The device can automatically judge whether the front part under the foot is a positive fall or a negative fall through the operation of software and a logic processor, if the front fall is the positive fall, the device automatically reminds and informs that the user has an upward step and prompts the user to pay attention to safety, if the front fall is the negative fall, the device automatically reminds and informs that the user has a downward step and prompts the user to pay attention to safety, and if the negative fall exceeds more than 25cm, the device reminds and informs that the user has a pit or a ditch in front and is dangerous and please change the walking direction.
In conclusion, the invention can help visually impaired people, especially blind people, to actively avoid obstacles and dangerous environments, so that the visually impaired people can walk out of a room with great confidence and can independently walk out, and the visually impaired people can meet the 'light', thereby improving the life experience quality and the independent living ability of the visually impaired people. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. It is not possible for any person skilled in the art to modify or change the above-described embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (6)
1. The utility model provides a vision block intelligence is compound bright appearance, includes eye-shade main part (2) that silica gel was made, eye-shade main part (2) by the eye-shade frame in the place ahead and the integrated structure that the frame leg of both sides is constituteed, its characterized in that: the upper part, the lower part, the left part and the right part of the eyeshade frame are respectively provided with a photoelectric sensor light hole (13) corresponding to the position of the photoelectric sensor, the rear part of the eyeshade main body (2) is provided with an elastic fixing band (1), and the two ends of the elastic fixing band (1) are respectively connected with the tail ends of the two frame legs;
a main PCB control panel (8) and a brown light-transmitting lens (5) are sequentially arranged in the frame of the eyeshade main body (2) from back to front;
a left photoelectric sensor (7) is arranged on the left side of the upper part of the back of the main PCB control board (8), a right photoelectric sensor (10) is arranged on the right side of the upper part of the back of the main PCB control board (8), and a photoelectric sensor (9) which is inclined to the front upper side by a certain angle, a front photoelectric sensor (11) and a laser ranging sensor (12) which is inclined to the front lower side by a certain angle are sequentially arranged in the middle of the front of the main PCB control board (8) from top to bottom;
the detection distance of the front photoelectric sensor (11) to the front obstacle is 1 m-3 m, when the front obstacle is detected in the detection distance, the alarm and the reminding are gradually strengthened, and the user is informed of stopping advancing or changing the direction and avoiding by voice;
the detection radius of the left photoelectric sensor (7) and the right photoelectric sensor (10) is 30-40 cm, and when an obstacle is detected to be combined on any one side or two sides of the left side or the right side in the detection radius, the left side or the right side or both sides of the left side or the right side can be reminded of the fact that an object exists on the left side or the right side or both sides of the left side or.
2. The intelligent vision impairment blind detector of claim 1, characterized in that: the middle parts of the inner sides of two frame legs of the eyeshade main body (2) are sequentially provided with a built-in loudspeaker (3) and a built-in vibrator (4) from back to front, the middle parts of the outer sides of the two frame legs are respectively provided with a convex rib (6), built-in wires are arranged in the convex ribs (6), and the built-in wires are respectively connected with the built-in loudspeaker (3), the built-in vibrator (4) and a main PCB control board (8); the built-in speaker (3) emits a beep and a voice in an acoustic manner.
3. The intelligent vision impairment blind detector of claim 1, characterized in that: the photoelectric sensor (9) which inclines a certain angle to the front upper side is used for detecting the front upper side, the detection radius of the photoelectric sensor is 20 cm-30 cm, and when an obstacle is detected in the detection radius, the photoelectric sensor can remind a user that an object is on the top of the head through voice, and safety is noticed.
4. The intelligent vision impairment blind detector of claim 1, characterized in that: the laser ranging sensor (12) which inclines a certain angle forwards and downwards is used for detecting the height drop of the lower part within 1m of the distance from the front part.
5. A method for identifying steps and pits by an intelligent vision impairment recovery instrument is characterized by comprising the following steps: the method comprises the following operation steps:
A) the laser ranging sensor detects the height difference on the ground:
detecting the height drop on the ground by a laser ranging sensor (12) which inclines a certain angle towards the front lower part;
B) constant setting:
when the detected height difference value is within a safety range, setting the height difference value as a constant;
C) and judging the difference value:
judging the obstacle condition according to the difference value of the constant minus the detected height and fall difference value;
the calculated difference is 15-25 cm, and when the difference is a positive number, the step is judged to be upward; when the difference value is negative, judging that the step is downward;
when the calculated difference is more than 25cm and is a positive number, judging that the ground has an obstacle;
when the calculated difference is more than 25cm and is a negative number, judging that the ground has a pit;
when the calculated difference is less than 15cm and is a positive number, judging that the ground has a roadblock;
when the calculated difference is less than 15cm and is a negative number, judging that the ground has a shallow pit;
the control processor can obtain different corresponding processing signals according to different detection results and drive a subsequent reminding device to help the visually impaired people to make an obstacle avoidance in advance.
6. The application of the intelligent vision-impairment recovering instrument is characterized in that: the intelligent wearing device is an eye shield worn on the head, intelligent identification is carried out by combining a plurality of photoelectric sensors, an electronic logic control processor and software, the photoelectric sensors are used for sensing reflected light by a synchronous loop according to the reflection principle of an object to a near infrared light beam, whether the reflected light exists or not is detected according to the strength of the reflected light, so that a feedback signal is obtained, the distance of the object is obtained through analysis by a logic operation controller, whether obstacles exist on the upper oblique side, the front side and the left and right sides of the head of a person, whether high-low fall exists around the feet and whether steps exist in the front side are judged, and the intelligent wearing device outputs a built-in loudspeaker (3) through signals according to the judgment and reminds visually impaired people in a sound mode or a built-in vibrator (4) in a vibration mode so that the visually impaired people can walk freely outside, and can sense and avoid the obstacles or dangerous environment in advance through judging the obstacles or the environment condition, thereby improving the self-life action ability of the visually impaired.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113975109A (en) * | 2021-10-19 | 2022-01-28 | 苏州炳旭工业产品设计有限公司 | Intelligent visual impairment identification method and application |
| CN114767483A (en) * | 2022-05-07 | 2022-07-22 | 宏脉信息技术（广州）股份有限公司 | Intelligent navigation cap and control method thereof |
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| KR101519842B1 (en) * | 2014-05-08 | 2015-05-13 | 주식회사 알에스에프텍 | Eyepatch for snoring prevention |
| CN204542562U (en) * | 2015-04-02 | 2015-08-12 | 重庆大学 | A kind of intelligent blind glasses |
| CN108089489A (en) * | 2017-11-16 | 2018-05-29 | 南京邮电大学 | A kind of Multifunctional blind person guiding equipment |
| CN108132547A (en) * | 2017-12-22 | 2018-06-08 | 王天瑞 | A kind of blind mirror of navigation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113975109A (en) * | 2021-10-19 | 2022-01-28 | 苏州炳旭工业产品设计有限公司 | Intelligent visual impairment identification method and application |
| CN114767483A (en) * | 2022-05-07 | 2022-07-22 | 宏脉信息技术（广州）股份有限公司 | Intelligent navigation cap and control method thereof |
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Application publication date: 20200225 |