KR101661177B1 - Low power subminiature braile cell that is cell of sense of touch to support multiple array - Google Patents
Low power subminiature braile cell that is cell of sense of touch to support multiple array Download PDFInfo
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- KR101661177B1 KR101661177B1 KR1020150050443A KR20150050443A KR101661177B1 KR 101661177 B1 KR101661177 B1 KR 101661177B1 KR 1020150050443 A KR1020150050443 A KR 1020150050443A KR 20150050443 A KR20150050443 A KR 20150050443A KR 101661177 B1 KR101661177 B1 KR 101661177B1
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- cell
- tactile
- braille
- mover
- pin
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
- G06F3/0202—Constructional details or processes of manufacture of the input device
- G06F3/0219—Special purpose keyboards
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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
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- General Engineering & Computer Science (AREA)
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- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- User Interface Of Digital Computer (AREA)
Abstract
Description
The present invention relates to a low-power micro-braille cell / tactile cell, and more particularly, to a solenoid-based miniaturization / low power multi-array capable low power micro-braille cell / tactile cell for use in Braille information terminals for the visually impaired, Solenoid based multi-array support low power smallest braille cell / tactile cell.
Developed countries are developing Braille information terminals, Braille printers, Braille books and Voice memos for the visually impaired.
1A is a diagram showing a braille cell / tactile cell of a Braille information terminal having 8 cells (4 rows and 2 columns). It consists of top and bottom two-stage structure for small size and light weight in the manufacturing process of array type actuator of ultrasonic motor and consists of 4x2 standard module and 4x2 standard graphic module for bottom module signal cable and bottom module signal cable respectively.
The Braille cell / tactile cell of the Braille information terminal currently distributed has the following problems.
Braille cells are currently imported from abroad (mainly KGS in Japan) because there is no technology that can be implemented in Korea. Imported Braille cells cost 10,000 won per module [8 cells (4 rows and 2 columns) or 6 cells (3 rows and 2 columns)]. The braille cells being imported are in a state in which a continuous multiple arrangement (m rows and n columns) is not available for outputting a tactile map.
FIG. 1B is a diagram comparing the braille recognition rate of the Braille cell / tactile cell (haptic) module used for the commercialization, the actuator operation method, and the driving voltage.
The tactile cell consists of a piezoelectric linear motor (Braille recognition rate 68.1%, 5V drive voltage), a polymer dielectric (Braille recognition rate less than 40%, 1 ~ 2KV drive voltage), Piezo ceramic (
The tactile cell of the Braille information terminal / braille clock / tactile display which is currently developed, commercialized / under development, and capable of multiple arrangements has problems such as the voltage and size shown in the following items, as shown in FIG.
When the voltage is high, it is possible to miniaturize it, but it is impossible to reduce the power consumption. When the voltage is low, it is possible to reduce power, but it is impossible to downsize (height limitation).
In addition, there is a miniaturized Braille cell / tactile cell in the latest Braille display (DOT), but the pin of the cell can not maintain the rising state.
In order to solve the problems of the prior art, the present invention provides a solenoid-based miniaturization / low power multi-array support for a braille information terminal for the visually impaired, a solenoid-based multiple array support for developing a low power smallest braille cell / tactile cell, Braille cell / tactile cell.
In order to accomplish the object of the present invention, a solenoid-based multi-array supporting low-power micro-braille cell / tactile cell includes a braille cell / tactile cell case for guiding pin movement of the cell and preventing interference with other cells due to electromagnetic force; A braille cell / tactile cell motion compensation spring that smoothes the pin movement of the cell rapidly rising due to the motion of the solenoid and prevents the pins of the cell from projecting in a state where the cell is turned upside down; The lower part of the pin is provided with a braille cell / tactile sensation cell, which functions as a pin up / down function in association with the braille cell / tactile cell mover and the mover guide, and provides a function of directly transmitting tactile information in the form of a point detected by the hand of the visually impaired. Cell pins; A magnet is attached to the lower end of the mover, and the Braille cell / tactile cell pin is pushed up by an electromagnetic force generated when a voltage is applied to the solenoid. When a voltage is applied to the solenoid, A braille cell / tactile cell mover which rotates in a counterclockwise direction and is lowered when a voltage is applied to the solenoid; The braille cell / tactile cell mover may include a braille cell / tactile cell mover that fixes the braille cell / tactile cell pin in a raised state or a lowered state when the braille cell / tactile cell mover moves the braille cell / tactile cell pin in a counterclockwise direction, ; And a braille cell / tactile cell solenoid for generating a movement of the cell by pushing the braille cell / tactile cell mover by inducing an electromagnetic force when a voltage is applied to a coil surrounding the circular column,
When the coil voltage is applied in the cell lowering state, the braille cell / tactile cell moves along with the braille cell / tactile cell mover due to the magnet attached to the lower end of the braille cell / tactile cell mover, When the coil voltage is cut off, the raised Braille cell / tactile cell shifter is lowered and the lower end of the pin continues to flow down to a place where the oblique surface of the braille cell / tactile cell mover guide stops,
The braille cell / tactile cell case uses an electromagnetic interference material of either nickel or chrome,
The braille cell / tactile cell is characterized by being used as solenoid-based multiple array braille cell / tactile cells of the Braille information terminal.
The solenoid-based multi-array supporting low-power micro-braille cell / tactile cell according to the present invention has been developed as a solenoid-based miniaturization / low power multi-array supporting low power small size braille cell / tactile cell used in Braille information terminal for the visually impaired.
The solenoid-based multi-array supporting low power small braille cell / tactile cell of the present invention is used as the cells of the Braille information terminal, and it can maintain the upward / downward movement of the cell with the solenoid based low power and withstand the pressure of the hand And by making the cell up / down motion operable by a mechanism, the structure is simple and it is possible to downsize.
The above and other objects, features and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings. Advantages and features of the present invention and methods of achieving them will become apparent with reference to the following embodiments together with the accompanying drawings. Like reference numerals refer to like elements throughout the specification.
1A is a diagram showing a braille cell / tactile cell of a Braille information terminal having 8 cells (4 rows and 2 columns).
FIG. 1B is a diagram comparing the braille recognition rate of the Braille cell / tactile cell (haptic) module used for the commercialization, the actuator operation method, and the driving voltage.
FIG. 2 is an exploded perspective view of a solenoid-based, multi-array, low power, micro Braille cell / tactile cell according to the present invention.
3 is a view illustrating a process of raising the braille cell / tactile cell.
FIG. 4 is a view showing a braille cell / tactile cell descending movement process.
Fig. 5 is a view showing the lowered state and the raised state of the braille cell / tactile cell pin.
6 is a part design drawing showing a front view, a side view, a plan view, and a bottom view of the braille cell / tactile cell case.
7 is a part design drawing of a braille cell / tactile cell motion compensation spring, a braille cell / tactile cell pin, a braille cell / tactile cell mover, a braille cell / tactile cell mover guide, a braille cell / tactile cell solenoid, and a coil.
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The solenoid-based multi-array supporting low-power micro-braille cell / tactile cell according to the present invention includes a braille cell / tactile cell (hereinafter referred to as " braille cell / tactile cell " Braille cell / tactile cell 'is defined as' cell').
The solenoid-based multi-array supporting low-power micro-braille cell / tact cell of the present invention is used as a solenoid-based multi-array supporting low-power micro-braille cell / tactile cell of Braille information terminal. And has the advantage of being able to withstand the pressure of the hand while the pin of the cell is elevated.
FIG. 2 is an exploded perspective view of a solenoid-based, multi-array, low power, micro Braille cell / tactile cell according to the present invention.
The solenoid-based multi-array supporting low-power micro-braille cell / tactile cell used in Braille information terminal for the visually impaired includes braille cell / tactile cell case 1, braille cell / tactile cell motion compensation spring 2, Tactile cell mover 4, a braille cell / tactile cell mover guide 5, and a braille cell / tactile cell solenoid 6, as shown in FIG.
The solenoid-based multi-array supporting low-power micro-braille cell / tactile cell according to the present invention guides the pin movement of the cell and prevents interference due to electromagnetic force with other cells. The braille cell / tactile cell, which uses electromagnetic shielding materials such as nickel / chrome, A cell / tactile cell case (1); A braille cell / tactile cell motion compensation spring (2) which smoothes the pin movement of the cell which rapidly rises due to the movement of the solenoid and prevents the pins of the cell from projecting in a state where the cell is turned upside down; The lower part of the pin provides a function of transferring the tactile information to the braille cell / tactile cell mover and the mover guide in the form of a point detected by the hand of a visually handicapped person. A tactile cell pin 3; The magnet is attached to the lower part of the mover. It pushes up the pin by the electromagnetic force generated when a voltage is applied to the solenoid, performs the upward movement, and rotates the pin of the cell counterclockwise when a voltage is applied to the solenoid. A braille cell / tactile cell mover 4 which is lowered when a voltage is applied to the solenoid; The braille cell / tactile cell mover 4 fixes the bracket cell / tactile cell mover 4 in a raised state or a lowered state when the braille cell / tactile cell mover 4 moves the braille cell / tactile cell pin 3 counterclockwise, A cell mover guide 5; And a braille cell / tactile cell solenoid 6 for generating a movement of the cell by pushing the mover by inducing an electromagnetic force when a voltage is applied to the coil surrounding the circular column.
3 is a view illustrating a process of raising the braille cell / tactile cell.
● Cell up / down movement principle
o The ascending movement process of the cell (see (a) to (f) and (Fig. 3) below)
(a) cell falling state
(b) Applying the coil voltage: The pin 3 is raised together with the braille cell / tactile cell mover 4 due to the magnet attached to the lower end of the braille cell / tactile cell mover 4
(c) Cell rotation and descent I: Braille cell / tactile cell The raised pin (3) together with the mover (4) flows counterclockwise by the lower end of the pin and the oblique surface of the mover (4). At this time, the lower end of the pin 3 is placed on the oblique surface of the braille cell / tactile cell mover 4 and the mover guide 5
(d) Coil voltage cutoff: The raised Braille cell / tactile cell mover (4) is lowered. The lower end of the pin 3 continues to flow along the oblique surface of the braille cell / tactile cell mover guide 5
(e) Cell rotation and descent II: The lower end of the pin (3) continues to flow along the oblique surface of the braille cell / tactile cell mover guide (5)
(f) Cell rising state: The lower end of the pin 3 stops flowing down to the place where the oblique side of the braille cell / tactile cell mover guide 5 stops
FIG. 4 is a view showing a braille cell / tactile cell descending movement process.
o The descending movement process of the cell (see (a) to (h) and (Fig. 4) below)
(a) Cell rising state
(b) Applying the coil voltage: The pin (3) is raised together with the mover (4) due to the magnet attached to the bottom of the mover
(c) Cell rotation and descent I: The raised pin (3) together with the braille cell / tactile cell mover (4) flows counterclockwise by the lower end of the pin (3) and the oblique surface of the mover (4). At this time, the lower end of the pin is placed on the oblique surface of the braille cell / tactile cell mover 4 and the mover guide 5
(d) Coil voltage cutoff: The raised Braille cell / tactile cell mover (4) is lowered. The lower end of the pin 3 continues to flow along the oblique surface of the braille cell / tactile cell mover guide 5
(e) Cell rotation and descent II: The lower end of the pin (3) continues to flow along the oblique surface of the braille cell / tactile cell mover guide (5)
(f) Cell rotation and descent III: The lower end of the pin (3) continues to flow along the oblique surface of the braille cell / tactile cell mover guide (5)
(g) Cell rotation and descent IV: The lower end of the pin 3 descends and then flows along the oblique plane of the braille cell / tactile cell mover 4
(h) Cell descent state: The lower end of the pin 3 stops flowing down to the place where the oblique surface of the braille cell / tactile cell mover 4 stops
Fig. 5 is a view showing the lowered state and the raised state of the braille cell / tactile cell pin.
6 is a part design drawing showing a front view, a side view, a plan view, and a bottom view of the braille cell / tactile cell case.
7 is a part design drawing of a braille cell / tactile cell motion compensation spring, a braille cell / tactile cell pin, a braille cell / tactile cell mover, a braille cell / tactile cell mover guide, a braille cell / tactile cell solenoid, and a coil.
The solenoid-based multi-array supporting 5V low-power ultra-small braille cell / tactile cell of the present invention is used as multi-array braille cell / tactile cells of the braille information terminal, And the lifting / lowering motion of the cell can be operated by a mechanism, so that the structure is simple and miniaturization is possible.
While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be taken in conjunction with the present invention. The present invention can be variously modified or modified.
1: Braille cell / tactile cell case
2: Braille cell / tactile cell motion compensation spring
3: braille cell / tactile cell pin
4: Braille cell / tactile cell mover
5: Braille cell / tactile cell mover guide
6: Braille cell / tactile cell solenoid
Claims (4)
A braille cell / tactile cell motion compensation spring (2) which smoothes pin movement of a cell rapidly rising due to the motion of the solenoid and prevents the pins of the cell from projecting in a state where the cell is turned upside down;
The lower part of the pin is provided with a braille cell / tactile sensation cell, which functions as a pin up / down function in association with the braille cell / tactile cell mover and the mover guide, and provides a function of directly transmitting tactile information in the form of a point detected by the hand of the visually impaired. Cell pins 3;
A magnet is attached to the lower end of the mover and the braille cell / tactile cell pin 3 is pushed up by an electromagnetic force generated when a voltage is applied to the solenoid, and when a voltage is applied to the solenoid, A braille cell / tactile cell mover 4 which rotates the cell pin 3 in a counterclockwise direction and is lowered when a voltage is applied to the solenoid;
When the braille cell / tactile cell mover 4 moves the braille cell / tactile cell pin 3 in the counterclockwise direction, the braille cell / tactile cell pin 3 is fixed in the raised state or in the lowered state Braille cell / tactile cell mover guide 5 for fixing the braille cell / tactile cell; And
A braille cell / tactile cell solenoid (6) for generating a movement of a cell by pushing the braille cell / tactile cell mover (4) by inducing an electromagnetic force when a voltage is applied to a coil surrounding the circular column,
The upward movement of the braille cell / tactile cell is performed in the cell lowering state when the coil voltage is applied to the braille cell / tactile cell mover 4 due to the magnet attached to the lower end of the braille cell / When the braille cell / tactile cell pin 3 is raised and the coil voltage is cut off, the raised braille cell / tactile cell mover 4 is lowered and the lower end of the pin 3 continues to the braille cell / tactile cell mover guide 5) to the place where the oblique surface stops,
The braille cell / tactile cell case 1 uses an electromagnetic interference material of either nickel or chrome,
Wherein the braille cell / tactile cell is used as a braille cell / tactile cell for solenoid-based multiple array support of a braille information terminal, and a solenoid-based multiple array support low power small size braille cell / tactile cell.
The ascending movement process of the braille cell /
When the coil voltage is applied in the cell falling state, the pin 3 is raised together with the braille cell / tactile cell mover 4 due to the magnet attached to the lower end of the braille cell / tactile cell mover 4,
- Cell rotation and descent I - The raised pin (3) together with the braille cell / tactile cell mover (4) flows counterclockwise by the lower end of the pin and the oblique surface of the mover (4) The lower end of the braille cell / tactile cell mover guide 5 is placed on the oblique surface of the mover 4 and the braille cell / tactile cell mover guide 5,
When the coil voltage is cut off, the raised braille cell / tactile cell mover 4 is lowered and the lower end of the pin 3 continues to flow along the oblique surface of the braille cell / tactile cell mover guide 5,
The lower end of the pin 3 continues to flow along the oblique surface of the braille cell / tactile cell mover guide 5, and in the cell elevated state, the lower end of the pin 3 is moved to the braille cell / / Tactile cell The mover of the mover guide (5) stops flowing down to where it stops. A solenoid-based multi-array supporting low power small size braille cell / tactile cell.
The downward movement process of the braille cell /
Applying the coil voltage in the rising state of the cell: the pin 3 is raised together with the mover 4 due to the magnet attached to the lower end of the mover,
- Cell rotation and descent I - The raised pin (3) together with the braille cell / tactile cell mover (4) flows counterclockwise by the lower end of the pin (3) and the oblique surface of the mover (4) Tactile cell mover 4 and the mover guide 5, and the lower end of the braille cell /
When the coil voltage is cut off, the raised Braille cell / tactile cell mover 4 is lowered,
The lower end portion of the pin 3 continues to flow along the oblique face of the braille cell / tactile cell mover guide 5,
- Cell rotation and descent II - The lower end of the pin (3) continues to flow along the oblique surface of the braille cell / tactile cell mover guide (5)
- Cell rotation and descent III - The lower end of the pin (3) continues to flow along the oblique surface of the braille cell / tactile cell mover guide (5)
- Cell rotation and descent IV - The lower end of the pin (3) descends and continues to flow along the oblique surface of the braille cell / tactile cell mover (4)
And the lower end of the pin (3) stops flowing down to a position where the oblique surface of the braille cell / tactile cell mover (4) stops, in a cell falling state.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150050443A KR101661177B1 (en) | 2015-04-09 | 2015-04-09 | Low power subminiature braile cell that is cell of sense of touch to support multiple array |
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020150050443A KR101661177B1 (en) | 2015-04-09 | 2015-04-09 | Low power subminiature braile cell that is cell of sense of touch to support multiple array |
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| KR101661177B1 true KR101661177B1 (en) | 2016-09-30 |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101860672B1 (en) | 2017-06-05 | 2018-05-24 | 주식회사 티원 | Controlling method for Braille display device for the visually impaired |
| CN108735048A (en) * | 2018-07-05 | 2018-11-02 | 浙江理工大学 | The braille display device of electromagnetic drive cam self-locking link transmission |
| CN108766129A (en) * | 2018-07-05 | 2018-11-06 | 浙江理工大学 | The fixed braille dot matrix molding machine of self-locking type belt |
| KR20180138412A (en) * | 2017-06-21 | 2018-12-31 | 주식회사 닷 | Information output apparatus |
| WO2019031836A1 (en) * | 2017-08-08 | 2019-02-14 | 주식회사 닷 | Information output device |
| KR20190016340A (en) * | 2017-08-08 | 2019-02-18 | 주식회사 닷 | Information output apparatus |
| WO2019226011A1 (en) * | 2018-05-24 | 2019-11-28 | 주식회사 닷 | Information output device |
| KR20190133928A (en) * | 2018-05-24 | 2019-12-04 | 주식회사 닷 | Information output apparatus |
| KR20200029309A (en) * | 2018-09-10 | 2020-03-18 | 한양대학교 산학협력단 | Braille actuator |
| KR20200034700A (en) * | 2018-05-24 | 2020-03-31 | 주식회사 닷 | Information output apparatus |
| CN112292653A (en) * | 2018-05-24 | 2021-01-29 | 株式会社Dot | Information output device |
| KR20210031855A (en) * | 2018-04-24 | 2021-03-23 | 월리스 피츠 | Magnetically programmable actuator for tactile transmission of information |
| EP3884363A4 (en) * | 2018-11-20 | 2022-08-03 | Tactile Engineering, LLC | Electro magnetic refreshable braille reader |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3288115A (en) * | 1965-07-16 | 1966-11-29 | Radiant Pen Corp | Ball-point pen mechanism |
| JPH09156848A (en) * | 1995-12-12 | 1997-06-17 | Mitsubishi Denki Bill Techno Service Kk | Braille type car position display device |
| KR20000068779A (en) * | 1997-08-28 | 2000-11-25 | 가부시키가이샤 파이로트 | Push-button writing instrument |
-
2015
- 2015-04-09 KR KR1020150050443A patent/KR101661177B1/en active IP Right Grant
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3288115A (en) * | 1965-07-16 | 1966-11-29 | Radiant Pen Corp | Ball-point pen mechanism |
| JPH09156848A (en) * | 1995-12-12 | 1997-06-17 | Mitsubishi Denki Bill Techno Service Kk | Braille type car position display device |
| KR20000068779A (en) * | 1997-08-28 | 2000-11-25 | 가부시키가이샤 파이로트 | Push-button writing instrument |
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101860672B1 (en) | 2017-06-05 | 2018-05-24 | 주식회사 티원 | Controlling method for Braille display device for the visually impaired |
| KR20180138412A (en) * | 2017-06-21 | 2018-12-31 | 주식회사 닷 | Information output apparatus |
| KR101952911B1 (en) * | 2017-06-21 | 2019-02-28 | 주식회사 닷 | Information output apparatus |
| CN110998492A (en) * | 2017-08-08 | 2020-04-10 | 株式会社Dot | Information output device |
| WO2019031836A1 (en) * | 2017-08-08 | 2019-02-14 | 주식회사 닷 | Information output device |
| KR20190016340A (en) * | 2017-08-08 | 2019-02-18 | 주식회사 닷 | Information output apparatus |
| KR101959022B1 (en) * | 2017-08-08 | 2019-03-18 | 주식회사 닷 | Information output apparatus |
| CN110998492B (en) * | 2017-08-08 | 2023-09-12 | 株式会社Dot | information output device |
| US11586289B2 (en) | 2017-08-08 | 2023-02-21 | Dot Incorporation | Information output device |
| KR102638617B1 (en) | 2018-04-24 | 2024-02-21 | 월리스 피츠 | Magnetically programmable actuators for tactile transmission of information |
| KR20210031855A (en) * | 2018-04-24 | 2021-03-23 | 월리스 피츠 | Magnetically programmable actuator for tactile transmission of information |
| CN112292722A (en) * | 2018-05-24 | 2021-01-29 | 株式会社Dot | Information output device |
| KR102376202B1 (en) | 2018-05-24 | 2022-03-21 | 주식회사 닷 | Information output apparatus |
| WO2019226011A1 (en) * | 2018-05-24 | 2019-11-28 | 주식회사 닷 | Information output device |
| KR20200034700A (en) * | 2018-05-24 | 2020-03-31 | 주식회사 닷 | Information output apparatus |
| CN112292653A (en) * | 2018-05-24 | 2021-01-29 | 株式会社Dot | Information output device |
| KR102214584B1 (en) * | 2018-05-24 | 2021-02-09 | 주식회사 닷 | Information output apparatus |
| KR20190133928A (en) * | 2018-05-24 | 2019-12-04 | 주식회사 닷 | Information output apparatus |
| CN112292722B (en) * | 2018-05-24 | 2023-02-17 | 株式会社Dot | Information output device |
| CN108735048A (en) * | 2018-07-05 | 2018-11-02 | 浙江理工大学 | The braille display device of electromagnetic drive cam self-locking link transmission |
| CN108735048B (en) * | 2018-07-05 | 2023-10-13 | 浙江理工大学 | Braille display device driven by electromagnetic driving cam self-locking connecting rod |
| CN108766129A (en) * | 2018-07-05 | 2018-11-06 | 浙江理工大学 | The fixed braille dot matrix molding machine of self-locking type belt |
| KR20200029309A (en) * | 2018-09-10 | 2020-03-18 | 한양대학교 산학협력단 | Braille actuator |
| KR102100805B1 (en) * | 2018-09-10 | 2020-04-14 | 한양대학교 산학협력단 | Braille actuator |
| EP3884363A4 (en) * | 2018-11-20 | 2022-08-03 | Tactile Engineering, LLC | Electro magnetic refreshable braille reader |
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