CN111127982A - Communication equipment for blind person to read input - Google Patents
Communication equipment for blind person to read input Download PDFInfo
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- CN111127982A CN111127982A CN202010230622.9A CN202010230622A CN111127982A CN 111127982 A CN111127982 A CN 111127982A CN 202010230622 A CN202010230622 A CN 202010230622A CN 111127982 A CN111127982 A CN 111127982A
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- input
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B21/00—Teaching, or communicating with, the blind, deaf or mute
- G09B21/001—Teaching or communicating with blind persons
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Abstract
The invention discloses a communication device for reading and inputting by blind persons, which comprises a machine body, wherein a piston cavity 65 is arranged in the machine body 10, a braille reading device 67 is arranged at the left side of the machine body 10, and the braille reading device 67 comprises a main motor 11 fixedly arranged on the upper side wall of the piston cavity 65.
Description
Technical Field
The invention relates to the field related to communication, in particular to communication equipment for blind people to read input.
Background
At present, with the development of society, communication and communication among people are more and more frequent, communication and communication are not difficult for normal people, but for blind people, communication with the normal people is difficult, especially communication of character information, the blind people can obtain information through braille, but most of the normal people cannot understand the braille, communication with the blind people cannot be achieved, the blind people cannot read the information from the information sent by the normal people, and communication obstruction is formed between the blind people and the normal people.
Disclosure of Invention
Aiming at the technical defects, the invention provides the communication equipment for the blind to read the input, which can overcome the defects.
The invention relates to communication equipment for reading and inputting by blind people, which comprises a machine body, wherein a piston cavity is arranged in the machine body, and a braille reading device is arranged on the left side of the machine body;
the reading device comprises a main motor fixedly arranged on the upper side wall of the piston cavity, the main motor is in power connection with a motor shaft, a rotating wheel is fixedly arranged on the motor shaft, a rotating shaft is fixedly arranged on the lower side of the rotating wheel, a rotating rod is rotatably connected to the rotating shaft, a push rod is rotatably connected to the right side of the rotating rod, a piston cylinder is fixedly arranged on the lower side of the piston cavity, an air inlet pipe communicated with the piston cylinder is fixedly arranged on the right side of the piston cylinder, an air outlet pipe communicated with the piston cylinder is fixedly arranged on the left side of the piston cylinder, fixed plates are respectively and fixedly arranged on the left side and the right side of the piston cylinder, two sliding plates which are centrosymmetric are slidably connected to the upper side and the lower side of each fixed plate, the sliding plates on the left upper side and the right, a sliding spring is connected between the sliding plate and the sliding rod, the fixed plate is respectively and fixedly provided with two air inlet pipes and two air outlet pipes which are communicated with the fixed plate, the air inlet pipes are communicated with the outside, the air outlet pipes are respectively and fixedly provided with air delivery pipes which are communicated with the air outlet pipes, and the right sides of the air delivery pipes are respectively and fixedly provided with the same air storage body;
the input body is fixedly arranged on the right side of the machine body, an input cavity is arranged in the input body, and an input device for blind people to input braille is arranged on the right side of the machine body.
Preferably, the right side of the push rod is fixedly provided with a push plate which is slidably connected in the piston cylinder, a partition plate which can slide in the push rod is fixedly arranged in the piston cylinder, two vent pipes which are centrosymmetric are arranged in the push plate, a one-way ball valve is abutted in each vent pipe, one side of each vent pipe is fixedly provided with a one-way plate, and a one-way spring is connected between each one-way plate and the one-way ball valve.
Preferably, a gas transmission tank communicated with the gas storage tank is fixedly arranged on the upper side of the gas storage tank, a reading body is fixedly arranged on the upper side surface of the machine body, a second partition plate is fixedly arranged on the upper side of the reading body, grooves in five rows and five columns are arranged in the second partition plate, six-by-six areas are divided by the grooves, two-by-three small holes are formed in each area, a third side plate is fixedly arranged on the left side of the second partition plate, a fourth side plate is fixedly arranged on the right side of the second partition plate, a second identification block is fixedly arranged on the rear side of the second partition plate, two symmetrical closing plates are slidably connected in each small hole in the second partition plate, a spring is connected between each closing plate and the second partition plate, a moving cylinder corresponding to each small hole is fixedly arranged in the reading body, a moving plate is slidably connected in each moving cylinder, a lifting spring is connected between each moving plate and the lower side of the moving cylinder, a second lifting rod is, the utility model discloses a solar energy heating device, including first lifter, removal cylinder, first air transmission pond, second lifter, removal cylinder, heating resistor, second lifter upside set firmly read the braille point, the removal cylinder downside set firmly communicate with each other with it and with the communicating intercommunication trachea of gas transmission pond, intercommunication trachea downside set firmly communicating control trachea with it, the baffler has set firmly the baffler in the control trachea, the baffler left and right sides set firmly heating resistor, heating resistor has set firmly the inflation body, be full of gas in the inflation body, heating resistor is connected with the circular telegram wire, and every row corresponds with every line aperture be connected with one in the heating resistor the circular telegram wire, twelve total row directions and eighteen line directions the circular telegram wire.
Preferably, the input device comprises a first spring plate fixedly installed on the side wall of the input cavity, a first partition plate is fixedly arranged on the upper side surface of the input body, a second side plate is fixedly arranged on the left side of the first partition plate, a first side plate is fixedly arranged on the right side of the first partition plate, a first identification block is fixedly arranged on the rear side of the first partition plate, two-by-three first lifting rods are slidably connected in the first partition plate, an input braille point is fixedly arranged on the upper side of each first lifting rod, a lifting plate is fixedly arranged on the lower side of each first lifting rod, a first spring is connected between each first spring plate and the lifting plate, a contact rod is slidably connected on the lower side of each first lifting rod, a contact plate is fixedly arranged on the lower side of each contact rod, a spring is connected between each contact plate and the corresponding first lifting rod, two electrified first electrified blocks are fixedly arranged on the side wall of the input cavity, an analysis system capable of receiving information and analyzing is fixedly arranged on the lower side of the machine body and communicated with each electrified lead, and leads are connected between the analysis system and each first electrified block.
The beneficial effects are that: a communication device for blind person to read and input is prepared as converting character information to braille information by reading unit then generating braille character to form corresponding braille for enabling blind person to touch, enabling blind person to input braille by inputting unit then converting braille information to character information, enabling blind person to read character information and enabling blind person to input braille information then converting line character information for convenient mutual communication between blind person and normal person.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic view of a blind reading and inputting communication device of the present invention, which is a main view;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1 in accordance with the present invention;
FIG. 4 is an enlarged view of a portion of the invention at C of FIG. 1;
FIG. 5 is an enlarged view of a portion of the present invention at D of FIG. 1;
fig. 6 is a partial enlarged view of the invention at E in fig. 1.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
The invention will now be described in detail with reference to fig. 1-6, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The blind person reading and inputting communication equipment comprises an engine body 10, wherein a piston cavity 65 is arranged in the engine body 10, a braille reading device 67 is arranged on the left side of the engine body 10, the reading device 67 comprises a main motor 11 fixedly arranged on the upper side wall of the piston cavity 65, the main motor 11 is in power connection with a motor shaft 12, a rotating wheel 13 is fixedly arranged on the motor shaft 12, a rotating shaft 14 is fixedly arranged on the lower side of the rotating wheel 13, a rotating rod 15 is rotatably connected on the rotating shaft 14, a push rod 16 is rotatably connected on the right side of the rotating rod 15, a piston cylinder 17 is fixedly arranged on the lower side of the piston cavity 65, an air inlet pipe 18 communicated with the piston cylinder 17 is fixedly arranged on the right side of the piston cylinder 17, an air outlet pipe 21 communicated with the piston cylinder 17 is fixedly arranged on the left side of the piston cylinder 17, fixed plates 25 are respectively fixedly arranged on the left side, the sliding plates 30 on the left upper side and the right lower side are arranged in the piston cylinder 17, the sliding plates 30 on the left lower side and the right upper side are arranged outside the piston cylinder 17, the sliding plates 30 are fixedly provided with sliding rods 32 which are slidably connected in the fixed plate 25, a sliding spring 31 is connected between the sliding plates 30 and the sliding rods 32, the fixed plate 25 is respectively and fixedly provided with two air inlet pipes 18 and two air outlet pipes 21 which are communicated with the fixed plate 25, the air inlet pipes 18 are communicated with the outside, the air outlet pipes 21 are respectively and fixedly provided with air conveying pipes 19 which are communicated with the air conveying pipes 19, the right side of the air conveying pipes 19 is fixedly provided with an air storage body 20 which is the same as the air storage body, the right side of the machine body 10 is fixedly provided with an input body 33, an input cavity 68 is arranged.
Advantageously, a push plate 24 slidably connected in the piston cylinder 17 is fixedly arranged on the right side of the push rod 16, a partition plate 23 capable of sliding in the push rod 16 is fixedly arranged in the piston cylinder 17, two centrosymmetric vent pipes 26 are arranged in the push plate 24, a one-way ball valve 27 is abutted in each vent pipe 26, a one-way plate 28 is fixedly arranged on one side of each vent pipe 26, a one-way spring 29 is connected between the one-way plate 28 and the one-way ball valve 27, so that the main motor 11 is started, the motor shaft 12 rotates to drive the rotating wheel 13 to rotate, the rotating rod 15 drives the push rod 16 to move to drive the push plate 24 to move, when the push plate 24 moves to the right, the one-way ball valve 27 on the upper side closes the vent pipe 26 on the upper side, the one-way ball valve 27 on the lower side opens the vent pipe 26, and the, the gas is discharged, the sliding plate 30 on the upper left side opens a channel, and the gas is sucked, when the push plate 24 moves leftwards, the check ball valve 27 on the upper side opens the vent pipe 26 on the upper side, the check ball valve 27 on the lower side closes the vent pipe 26 on the lower side, the sliding plate 30 on the lower left side opens a channel, the gas is discharged, and the sliding plate 30 on the lower right side opens a channel, and the gas is sucked, so that the piston cylinder 17 can continuously discharge the gas, the gas is discharged through the gas outlet pipe 21, and the gas is sucked through the gas inlet pipe 18 and enters the gas storage body 20.
Beneficially, the gas storage 20 is fixedly provided with a gas transmission tank 22 communicated with the gas storage 20 at the upper side, the machine body 10 is fixedly provided with a reading body 62 at the upper side, the reading body 62 is fixedly provided with a second partition plate 50 at the upper side, the second partition plate 50 is provided with five rows and five columns of grooves, the grooves divide six-by-six areas, each area is provided with two-by-three small holes, the left side of the second partition plate 50 is fixedly provided with a third side plate 46, the right side of the second partition plate 50 is fixedly provided with a fourth side plate 47, the rear side of the second partition plate 50 is fixedly provided with a second identification block 48, each small hole in the second partition plate 50 is slidably connected with two symmetrical closing plates 49, a spring is connected between each closing plate 49 and the second partition plate 50, a moving cylinder 53 corresponding to each small hole is fixedly provided in the reading body 62, a moving plate 54 is slidably connected in each moving cylinder 53, a lifting spring 63 is connected between each moving plate 54 and the lower side of each, a second lifting rod 52 is fixedly arranged on the upper side of the moving plate 54, a braille reading point 51 is fixedly arranged on the upper side of the second lifting rod 52, a communicating air pipe 55 communicated with the moving air cylinder 53 and communicated with the air transmission pool 22 is fixedly arranged on the lower side of the moving air cylinder 53, a control air pipe 56 communicated with the communicating air pipe 55 is fixedly arranged on the lower side of the communicating air pipe 55, a blocking plate 59 is fixedly arranged in the control air pipe 56, heating resistors 58 are fixedly arranged on the left side and the right side of the blocking plate 59, an expansion body 57 is fixedly arranged on the heating resistors 58, the expansion body 57 is filled with gas, the heating resistors 58 are connected with energizing wires 60, one energizing wire 60 is connected in each heating resistor 58 corresponding to each row of small holes, and twelve energizing wires 60 in the row direction and eighteen row direction are arranged in total, so that the gas enters the air transmission pool 22 and enters the moving air cylinder 53 through the control air pipe 56 and the communicating air, promote the movable plate 54 the second lifter 52 with read braille point 51, make read braille point 51 and promote the closure plate 49 removes, opens the aperture, read braille point 51 and rise to the second baffle 50 upside forms tangible braille, then under lifting spring 63's elasticity read braille point 51 and reset, work as when circular telegram wire 60 circular telegram, heating resistor 58 ohmic heating makes the gas in the inflation body 57 is heated and expands, blocks up half passageway of control trachea 56, work as one two of reading braille point 51 downside circular telegram wire 60 is circular telegram together, blocks up completely control trachea 56, gas in the gas transmission pond 22 can't pass through, read braille point 51 and can not rise, can be through controlling different ranks circular telegram wire 60 circular telegram, control braille read point 51 and rise, different braille is formed so that the blind person can read information, the third side panel 46 is formed to have a different height from the fourth side panel 47 so as to be distinguished, the third side panel 46 enables the blind person to distinguish the first braille, the second recognition block 48 enables the blind person to distinguish the first braille, and the fourth side panel 47 enables the blind person to distinguish the last braille.
Beneficially, the input device 66 includes a first spring plate 42 fixedly installed on a side wall of the input cavity 68, a first partition plate 34 is fixedly installed on an upper side of the input body 33, a second side plate 36 is fixedly installed on a left side of the first partition plate 34, a first side plate 35 is fixedly installed on a right side of the first partition plate 34, a first identification block 37 is fixedly installed on a rear side of the first partition plate 34, two-by-three first lifting rods 39 are slidably connected in the first partition plate 34, an input braille point 38 is fixedly installed on an upper side of each first lifting rod 39, a lifting plate 40 is fixedly installed on a lower side of each first lifting rod 39 of the first lifting rods 39, a first spring 41 is connected between the first spring plate 42 and the lifting plate 40, a contact rod 43 is slidably connected on a lower side of the first lifting rod 39, a contact plate 44 is fixedly installed on a lower side of the contact rod 43, a spring is connected between the contact plate 44 and the first lifting rod 39, input chamber 68 lateral wall sets firmly the first circular telegram piece 45 of two circular telegrams, organism 10 downside sets firmly the analytic system 61 that can accept information and analysis processes, analytic system 61 and every circular telegram wire 60 intercommunication, analytic system 61 and every be connected with the wire between the first circular telegram piece 45, thereby analytic system 61 accepts information, changes into braille information, forms corresponding electric current, makes to read under the braille point 51 circular telegram wire 60 circular telegram constitutes the braille, when needs input braille, press down the correspondence on the first baffle 34 input braille point 38, second baffle 36 with first baffle 35 is highly different to distinguish, second baffle 36 with first baffle 34 makes the blind person differentiate one or two three braille, first baffle 35 makes the blind person differentiate four five or six braille, when the input braille points 38 are pressed down, the first lifting rod 39 and the lifting plate 40 descend to compress the first spring 41, so that the contact plate 44 descends, the two first electrifying blocks 45 are switched on to generate current, and the analysis system 61 receives and processes the current and converts the current into character information.
In the initial state, the analyzing system 61 and the main motor 11 are not activated, the second elevating bar 52 is in the reading body 62, and the input braille points 38 are on the upper side of the first barrier 34.
When the work starts, the main motor 11 is started, the motor shaft 12 rotates to drive the rotating wheel 13 to rotate, the rotating rod 15 drives the push rod 16 to move, the push plate 24 is driven to move, when the push plate 24 moves to the right, the check ball valve 27 on the upper side closes the vent pipe 26 on the upper side, the check ball valve 27 on the lower side opens the vent pipe 26 on the lower side, the slide plate 30 on the upper right side opens the channel, gas is discharged, the slide plate 30 on the upper left side opens the channel, gas is sucked, when the push plate 24 moves to the left, the check ball valve 27 on the upper side opens the vent pipe 26 on the upper side, the check ball valve 27 on the lower side closes the vent pipe 26 on the lower side, the slide plate 30 on the lower left side opens the channel, gas is discharged, the slide plate 30 on the lower right side opens the channel, gas is sucked, the piston cylinder 17 can continuously discharge gas, the braille reading device has the advantages that the braille reading device pushes the moving plate 54, the second lifting rod 52 and the braille reading point 51 by pushing the moving plate 54, the second lifting rod 52 and the braille reading point 51 through the control air pipe 56 and the communicating air pipe 55 to enter the moving air cylinder 53, the braille reading point 51 is pushed to move by pushing the closing plate 49 to open the small hole, the braille reading point 51 rises to the upper side of the second partition plate 50 to form touchable braille, then the braille reading point 51 is reset under the elastic force of the lifting spring 63, when the power-on conducting wire 60 is powered on, the heating resistor 58 is powered on and heated, the gas in the expansion body 57 is heated and expanded, a half channel of the control air pipe 56 is blocked, when the two power-on conducting wires 60 on the lower side of one braille reading point 51 are powered on together, the control air pipe 56 is completely blocked, the gas in the air transmission, the third side plate 46 and the fourth side plate 47 have different heights so as to distinguish them, the third side plate 46 enables the blind person to distinguish the first braille, the second identification block 48 enables the blind person to distinguish the first braille, the fourth side plate 47 enables the blind person to distinguish the last braille, the analysis system 61 receives the information and converts the information into braille information to form corresponding current, the power-on wire 60 corresponding to the read braille point 51 is powered on to form braille, when the braille needs to be input, the corresponding input braille point 38 is pressed down on the first partition plate 34, the second side plate 36 and the first side plate 35 have different heights so as to distinguish them, the second side plate 36 and the first partition plate 34 enable the blind person to distinguish the braille, the first side plate 35 enables the blind person to distinguish the braille, the first lifting rod 39 and the lifting plate 40 are lowered, the first spring 41 is compressed to lower, the two first energization blocks 45 are energized to generate electric current, which is received and processed by the analysis system 61 to be converted into text information.
The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.
Claims (4)
1. The blind person reads the communication equipment of the input, including the organism, characterized by that: a piston cavity is arranged in the machine body, and a reading device for reading braille is arranged on the left side of the machine body;
the reading device comprises a main motor fixedly arranged on the upper side wall of the piston cavity, the main motor is in power connection with a motor shaft, a rotating wheel is fixedly arranged on the motor shaft, a rotating shaft is fixedly arranged on the lower side of the rotating wheel, a rotating rod is rotatably connected to the rotating shaft, a push rod is rotatably connected to the right side of the rotating rod, a piston cylinder is fixedly arranged on the lower side of the piston cavity, an air inlet pipe communicated with the piston cylinder is fixedly arranged on the right side of the piston cylinder, an air outlet pipe communicated with the piston cylinder is fixedly arranged on the left side of the piston cylinder, fixed plates are respectively and fixedly arranged on the left side and the right side of the piston cylinder, two sliding plates which are centrosymmetric are slidably connected to the upper side and the lower side of each fixed plate, the sliding plates on the left upper side and the right, a sliding spring is connected between the sliding plate and the sliding rod, the fixed plate is respectively and fixedly provided with two air inlet pipes and two air outlet pipes which are communicated with the fixed plate, the air inlet pipes are communicated with the outside, the air outlet pipes are respectively and fixedly provided with air delivery pipes which are communicated with the air outlet pipes, and the right sides of the air delivery pipes are respectively and fixedly provided with the same air storage body;
the input body is fixedly arranged on the right side of the machine body, an input cavity is arranged in the input body, and an input device for blind people to input braille is arranged on the right side of the machine body.
2. The blind input-reading communication device of claim 1, wherein: the push rod right side has set firmly sliding connection's push pedal in the piston cylinder, set firmly in the piston cylinder can gliding division board in the push rod, be equipped with two centrosymmetric breather pipes in the push pedal, every the butt joint has one-way ball valve in the breather pipe, every breather pipe one side has set firmly the one-way plate, the one-way plate with be connected with one-way spring between the one-way ball valve.
3. The blind input-reading communication device of claim 1, wherein: the gas storage body is fixedly provided with a gas transmission pool communicated with the gas storage body on the upper side, a reading body is fixedly arranged on the upper side of the machine body, a second partition plate is fixedly arranged on the upper side of the reading body, five rows and five columns of grooves are formed in the second partition plate, six-by-six areas are divided by the grooves, two-by-three small holes are formed in each area, a third side plate is fixedly arranged on the left side of the second partition plate, a fourth side plate is fixedly arranged on the right side of the second partition plate, a second identification block is fixedly arranged on the rear side of the second partition plate, two symmetrical closing plates are slidably connected in each small hole in the second partition plate, a spring is connected between each closing plate and the second partition plate, a moving cylinder corresponding to each small hole is fixedly arranged in the reading body, a moving plate is slidably connected in each moving cylinder, a lifting spring is connected between each moving plate and the lower side of the moving cylinder, and a second lifting rod, the utility model discloses a solar energy heating device, including first lifter, removal cylinder, first air transmission pond, second lifter, removal cylinder, heating resistor, second lifter upside set firmly read the braille point, the removal cylinder downside set firmly communicate with each other with it and with the communicating intercommunication trachea of gas transmission pond, intercommunication trachea downside set firmly communicating control trachea with it, the baffler has set firmly the baffler in the control trachea, the baffler left and right sides set firmly heating resistor, heating resistor has set firmly the inflation body, be full of gas in the inflation body, heating resistor is connected with the circular telegram wire, and every row corresponds with every line aperture be connected with one in the heating resistor the circular telegram wire, twelve total row directions and eighteen line directions the circular telegram wire.
4. The blind input-reading communication device of claim 1, wherein: the input device comprises a first spring plate fixedly installed on the side wall of the input cavity, a first partition plate is fixedly arranged on the upper side face of the input body, a second side plate is fixedly arranged on the left side of the first partition plate, a first side plate is fixedly arranged on the right side of the first partition plate, a first identification block is fixedly arranged on the rear side of the first partition plate, two-by-three first lifting rods are slidably connected in the first partition plate, an input braille point is fixedly arranged on the upper side of each first lifting rod, a lifting plate is fixedly arranged on the lower side of each first lifting rod, a first spring is connected between each first spring plate and the lifting plate, a contact rod is slidably connected on the lower side of each first lifting rod, a contact plate is fixedly arranged on the lower side of each contact rod, a spring is connected between each contact plate and the corresponding first lifting rod, two electrified first electrified blocks are fixedly arranged on the side wall of the input cavity, an analysis system capable of receiving information and analyzing is fixedly arranged on the lower side of the machine body and communicated with each electrified lead, and leads are connected between the analysis system and each first electrified block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010230622.9A CN111127982A (en) | 2020-03-27 | 2020-03-27 | Communication equipment for blind person to read input |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010230622.9A CN111127982A (en) | 2020-03-27 | 2020-03-27 | Communication equipment for blind person to read input |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111127982A true CN111127982A (en) | 2020-05-08 |
Family
ID=70493971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010230622.9A Withdrawn CN111127982A (en) | 2020-03-27 | 2020-03-27 | Communication equipment for blind person to read input |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111127982A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111696341A (en) * | 2020-06-22 | 2020-09-22 | 李卫元 | Auxiliary device for guiding blind at intersection |
| CN112201121A (en) * | 2020-06-03 | 2021-01-08 | 吕虹 | Electromagnetic braille display device |
-
2020
- 2020-03-27 CN CN202010230622.9A patent/CN111127982A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112201121A (en) * | 2020-06-03 | 2021-01-08 | 吕虹 | Electromagnetic braille display device |
| CN112201121B (en) * | 2020-06-03 | 2022-07-19 | 苏州鱼得水电气科技有限公司 | Electromagnetic braille display device |
| CN111696341A (en) * | 2020-06-22 | 2020-09-22 | 李卫元 | Auxiliary device for guiding blind at intersection |
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Application publication date: 20200508 |