CN1256695C - Holding mechanism in braille lattice character displaying and reading apparatus and operating method thereof - Google Patents
Holding mechanism in braille lattice character displaying and reading apparatus and operating method thereof Download PDFInfo
- Publication number
- CN1256695C CN1256695C CN 03105323 CN03105323A CN1256695C CN 1256695 C CN1256695 C CN 1256695C CN 03105323 CN03105323 CN 03105323 CN 03105323 A CN03105323 A CN 03105323A CN 1256695 C CN1256695 C CN 1256695C
- Authority
- CN
- China
- Prior art keywords
- push rod
- blind symbol
- pad
- blind
- braille
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- User Interface Of Digital Computer (AREA)
Abstract
The present invention relates to a holding mechanism in Braille dot matrix character display reading devices. The present invention is characterized in that a cylindrical Braille character top rod is arranged below the position of each dot matrix of each Braille character corresponding to a touch reading table, an upward driving member for driving the Braille character top rod to move upwards is respectively arranged on the lower end of each Braille character, a small column which is provided with a hemispherical end and is used as a Braille character convex point is arranged on the upper end of the Braille character top rod, and an upper positioning groove and a lower positioning groove are arranged on a cylinder of the small column. A support plate with a plurality of through holes is positioned in the middle of the Braille character top rod, one Braille character top rod is penetrated in each of the through holes, and the present invention is also provided with a horizontal driving member which controls the reciprocating movement of the support plate in a horizontal direction. The mechanism provides enough support force for each convex point of dot matrix characters and clear touch information feedback to fingers of blindmen when blindmen read books according to the principle of the convex point display of optacons, and misreading can be avoided. The present invention also provides an operation method for the holding mechanism.
Description
Technical field
The present invention relates to maintaining body and control method thereof in a kind of braille dot character demonstration reading device, belong to the technical field of Braille reading device.
Background technology
In the disabled person, blind person (visually impaired people) occupies quite high ratio.In daily life and work, most information that the people obtained (being about 80%) derive from visual information, and therefore, how to make the blind person utilize other approach to obtain more information easily is the problem that people explore always.
Conventional blind person's literal is Braille's dot character, promptly is listed as totally six pinyin character-blind person's characters (GB/T 15720-1995) that point constitutes by triplex row two, claims blind symbol again.In addition, also have a kind of enhancement mode Braille's dot character, on the pinyin character basis of 6 points of routine, increased fourth line, so just form the four lines two row lattice matrix of totally 8 points.The advantage of enhancement mode Braille's literal is that each braille unit can provide more information, can effectively reduce required Braille unit under the situation that quantity of information equates, and shortcoming is to carry out suitable training to the reader.Now, the books of blind person's reading are formed by the thicker binding papers that is printed on blind symbol.According to the regulation among the GB GB/T 15720-1995, braille is an alphabetic writing, and the relevant position of each blind each dot matrix of symbol and technical parameter thereof such as following table 1 and shown in Figure 1.
The technical parameter of the blind symbol dot matrix of table 1
| Project | The point footpath | Point is high | The point distance | Side's distance | Line-spacing |
| Size (mm) | 1～1.6 | 0.2～0.5 | 2.2～2.8 | 3.5～4 | 5～6 |
Because braille is an alphabetic writing, and represents that a Chinese character or phrase generally need use a plurality of pinyin character, promptly a plurality of character cells, therefore compare with the general books of equal volume, the contained quantity of information of books printed in braille is less, and these class books are bulky, weight is very heavy thereby cause, and are unfavorable for carrying.
Along with the progress of science and technology, human society is more and more paid close attention to disabled person's life, study and work, for he (she) provide as much as possible convenient.The arrangement for reading that has occurred blind person's special use in recent years, this equipment can be Braille's dot character with common text conversion, and utilizes special device that the convex-concave of dot character is presented at the specific region, blind man touches to be read.Because the blind person utilizes the sense of touch of finger to judge the concavo-convex of dot character, thereby dot character is converted to phonetic, letter or symbol, so the salient point of reading aid for blindmen must can bear certain touch pressure.Otherwise, when these dot characters of finger touch of blind person, can not clearly feel and differentiate the concavo-convex state of each dot matrix, cause and misread.
No matter adopting conventional Braille's dot character still is enhancement mode Braille dot character, its procedure for displaying and indifference.In the procedure for displaying of dot character, the stationary state of each point has only two kinds, or is in original etat lacunaire, or is in the protrusion show state.And that the salient point display packing of reading aid for blindmen has is multiple, as utilizes devices such as minitype electromagnet, relay or piezoelectric crystal to produce certain vertical direction displacements, drives the dot matrix action of relevant character and realizes showing the purpose of salient point.Yet because the regulation of existing GB GB/T15720-1995, some distance between each point of dot character and side have only the 2-4 millimeter apart from all quite little.No matter therefore adopt which kind of device, these size of devices also must be enough little, and it is also very little to the anchorage force that corresponding salient point provides.If there is not suitable position holding mechanism, when the blind person touches reading, the mistake that is easy to misread.
Summary of the invention
The purpose of this invention is to provide a kind of braille dot character that can overcome above-mentioned defective and show maintaining body in the reading device, this mechanism is the principle that shows according to the reading aid for blindmen salient point, when the blind person reads, for each salient point of dot character provides enough anchorage forces, thereby with tactile data feedback clearly, avoid causing and misread to blind person finger.
Another object of the present invention provides the control method that a kind of braille dot character shows the maintaining body in the reading device,
The object of the present invention is achieved like this: a kind of braille dot character shows the maintaining body in the reading device, include the touch reading table, it is characterized in that: the blind symbol push rod that a cylindrical shape is arranged below the position of each dot matrix that touches corresponding each the blind symbol of reading table, the lower end of each blind symbol push rod all is respectively equipped with and drives the upwards upwards driver part of action of this blind symbol push rod, this blind symbol push rod upper end be an end be hemisphere, as the small column of blind symbol salient point, the right cylinder position of this blind symbol push rod is provided with upper and lower two detents; A back up pad that a plurality of through holes are arranged on it is positioned at the middle part of this blind symbol push rod, is installed with a blind symbol push rod in each through hole; Described upper and lower two detents are positioned at cylindrical the same side, and both groove depths are identical, and connecting portion is the curved surface that seamlessly transits between two grooves; Promptly the following side plane of the last detent of this blind symbol push rod and its down the right cylinder between the upper side plane of detent be two and be the chamfering that seamlessly transits curved surface, wherein the chamfering of downside fillet surface is the shape that caves inward, so that when this blind symbol push rod moves upward, back up pad can slip into its detent down swimmingly; Also be provided with the reciprocating horizontal drive parts of the described back up pad horizontal direction of control.
Shape of through holes on the described back up pad is that a side is semicircle, and its slightly larger in diameter is in the diameter of blind symbol push rod; Opposite side is a rectangle, and wherein the through hole of rectangle one side is near cylindrical upper and lower two detents of blind symbol push rod, and its length of side also is slightly larger than the diameter of blind symbol push rod, so that can embed swimmingly when back up pad moves horizontally in the blind symbol push rod right cylinder groove.
In the through hole on the described back up pad, the lateral opening edge of the length of the rectangular through-hole relative with semi-circular through hole should be provided with chamfering, so that when back up pad moves, can slip into the detent up and down of blind symbol push rod swimmingly.
A plurality of through holes on the described back up pad are arranged with matrix form, and its line number is a triplex row, or four lines, and are corresponding with the line number of Braille's dot character of routine or enhancement mode Braille dot character respectively; The columns of its through hole is then determined according to the number that touches the Braille on the reading table.
The length of the blind symbol push rod of each cylindrical shape that passes in a plurality of through holes on the described back up pad is different, but upper and lower two detents of each on it all are positioned at same plane and the same side, can control and keep the upper and lower displacement campaign and the final position of each blind symbol push rod with a back up pad simultaneously.
The reciprocating horizontal drive parts of described control back up pad horizontal direction comprise: be positioned at the back-moving spring of back up pad one end, the attraction back up pad of the other end is to the electromagnet of one side shifting and the control circuit of being made up of power supply and switch.
The reciprocating horizontal drive parts of described control back up pad horizontal direction adopt the structure of electromagnetism absorption, the structure that perhaps adopts the stepper motor be made up of stepper motor and control circuit, gear train and stop to drag.
Another object of the present invention is achieved in that a kind of braille dot character shows the control method of the maintaining body in the reading device, is characterized in that: comprise the following steps:
(1) when showing that reader is accepted the data of blind symbol dot character, at first determines the data message state of each dot matrix of this blind symbol;
(2) do you judge that according to the data message state of dot matrix each dot matrix of this blind symbol is the point of projection? if, then enter step (3), if not, then enter step (4);
(3) upwards driver part action of control moves upward corresponding blind symbol push rod; The motion state that judges whether the blind symbol push rod of the Braille that all need show has again all been controlled and has been put in place, if, then enter step (5), if not, then enter step (4);
(4) read in next blind symbol, change step (2) again over to;
(5) switch closure in the controlling level driver part makes electromagnet attract the back up pad horizontal direction to move to the holding position, and promptly back up pad embeds the upper and lower groove of each blind symbol push rod, makes the point of projection that support arranged, and waits for that the blind person touches reading;
Is (6) cycle read in the demonstration that judges whether to enter next blind symbol? if, then enter step (7), if not, then return step (5), continue to wait for that the blind person touches reading;
(7) switch in the controlling level driver part disconnects, and electromagnet discharges, and back up pad is moved horizontally to the original position under spring action, and the blind symbol push rod of each that moves upward all under action of gravity, falls back to initial position;
(8) judge whether to enter next blind symbol again and show the reading cycle? if, then return step (1), continue cycling, if not, then finish this operation.
Characteristics of the present invention are to have solved the problem that the protrusion of the blind symbol dot matrix of blind person's arrangement for reading shows and keeps preferably, can guarantee the height of projection unanimity of the point that protrudes in all blind symbols, meet national standard fully; Simultaneously, can provide enough big holding power for the point that blind symbol protrudes again, both guaranteed that the information that the blind person obtains during with the blind symbol dot matrix of finger touch was clear accurately in reading process, can also avoid effectively reading through repeatedly touching, make the dot matrix Level Change of protrusion, easily the mistake of misreading.And, mechanism design novelty of the present invention, simple in structure, make to install than be easier to, reliable operation, easy to operate, be one and have philanthropic act good application prospect, that benefit for the blind person.
Description of drawings
Fig. 1 is the relevant position synoptic diagram of the Braille character pattern of the routine stipulated in the prior art.
Fig. 2 is the planform synoptic diagram of blind symbol push rod among the present invention.
Fig. 3 is the planform synoptic diagram of a through hole on the back up pad among the present invention.
Fig. 4 (A), (B) are respectively blind symbol push rods and penetrate the wherein stereographic map and the cut-open view of the unitized construction shape of the back up pad of through hole among the present invention.
Fig. 5 (A), (B), (C) are respectively the cross-sectional schematic of blind symbol push rod and the original state of back up pad thereof among the present invention, high-order lock-out state and three kinds of positional structures of low level locking.
Fig. 6 is that the structure of the horizontal drive parts of back up pad among the present invention is formed synoptic diagram.
Fig. 7 (A), (B) are respectively that a back up pad is provided with four through holes among the present invention, wherein are installed with upwards the planform stereographic map and the side view of driver part of the different blind symbol push rod of four length and its below respectively.
Fig. 8 is 8 character patterns of a blind symbol among the present invention
Fig. 9 is the process flow diagram of method of operating step of the present invention.
Embodiment
Referring to Fig. 2～Fig. 4, the present invention is that a kind of braille dot character shows the maintaining body in the reading device, this mechanism is the blind symbol push rod 2 that a cylindrical shape is arranged below the position of each dot matrix that touches reading table 7 corresponding each blind symbol, the lower end of each blind symbol push rod 2 all is respectively equipped with and drives the upwards upwards driver part 4 of action of this blind symbol push rod 2, these blind symbol push rod 2 upper ends be an end be hemisphere, as the small column 1 of blind symbol salient point, its right cylinder position is provided with upper and lower two detents 5,6.Upper and lower two detents 5,6 of this blind symbol push rod 2 are positioned at cylindrical the same side, and both groove depths are identical, and connecting portion is the curved surface that seamlessly transits between two grooves 5,6; Be the following side plane of last detent 5 of blind symbol push rod and its down the right cylinder between the upper side plane of detent 6 be two and be the chamfering (referring to Fig. 2) that seamlessly transits curved surface, wherein the chamfering of downside fillet surface is the shape that caves inward, shown in Fig. 4 (B), so that when this blind symbol push rod 2 moves upward, back up pad 3 can slip into its detent 6 down swimmingly.A back up pad 3 that a plurality of through holes 9 are arranged on it is positioned at the middle part of this blind symbol push rod 2, the shape of the through hole 9 on this back up pad 3 be a side for semicircle, its slightly larger in diameter is in the diameter of blind symbol push rod; Opposite side is a rectangle, wherein the through hole 9 of rectangle one side is near cylindrical upper and lower two detents of blind symbol push rod, its length of side also is slightly larger than the diameter of blind symbol push rod, and the lateral opening edge of length of rectangular through-hole that should be relative with semi-circular through hole should be provided with chamfering (referring to Fig. 3), so that when back up pad 3 moves horizontally, can slip into swimmingly in the detent up and down 5,6 of blind symbol push rod.Drive blind symbol push rod 2 upwards the upwards driver part 4 of action can make with piezoelectric ceramic devices.
Introduce working mechanism of the present invention below in conjunction with Fig. 5: when the relevant dot matrix of blind symbol is salient point, the upwards driver part 4 meeting received signals of its correspondence, produce upwards warpage, with the blind symbol push rod 2 of its correspondence jack-up upwards, make back up pad 3 be in the below of blind symbol push rod 2 cylindrical smooth surface critical points 8.The holding power that driver part 4 provides for blind symbol push rod 2 although make progress is very little, is in free state because of it, still blind symbol push rod 2 successfully can be ejected to put in place.At this moment, because blind symbol push rod 2 by jack-up, as long as utilize the state locking of suitable latch mechanism with blind symbol push rod 2, and gives this push rod 2 with enough holding powers, make it when being subjected to pointing downward touch and pushing, can give finger enough feedback forces, just can guarantee can not misread.
Locking maintaining body of the present invention is the interoperation that utilizes two grooves 5,6 of back up pad 3 and blind symbol push rod 2.Concrete grammar is: when blind symbol push rod 2 by jack-up, when back up pad 3 is positioned at the below of blind symbol push rod 2 cylindrical smooth surface critical points 8, allow back up pad 3 move horizontally left, back up pad 3 will enter its high-order locating slot 6 along the smooth surface of blind symbol push rod 2 critical points 8 belows, force blind symbol push rod 2 to continue to raise.Shown in Fig. 5 (B), when back up pad 3 entered high-order locating slot 6, blind symbol push rod 2 was locked, and its hemisphere head will exceed 0.5mm than touching platform, can satisfy the requirement of GB to blind symbol height.And this moment, back up pad 3 embedding grooves 6 provided support blind symbol push rod 2.When the blind symbol hemisphere of finger touch head is read, blind symbol can not pressed and caused and misread.When blind symbol dot matrix entered next display cycle, back up pad 3 should move horizontally to the right and get back to the original position, and blind symbol push rod 2 just unlocks, and falls after rise to original state owing to action of gravity descends.When the relevant dot matrix of blind symbol is concave point, upwards driver part 4 will keep virgin state, and this moment, back up pad 3 was positioned at the top of the critical point 8 of blind symbol push rod 2, shown in Fig. 5 (A).When back up pad 3 during to left, back up pad 3 will enter its low level locating slot 5 along the smooth surface of blind symbol push rod 2 critical points 8 tops, shown in Fig. 5 (C) like this.At this moment, blind symbol push rod 2 is also locked and keep low-end trim.When blind symbol dot matrix entered next display cycle, 3 of back up pads moved right and get back to the original position, and blind symbol push rod 2 unlocks and keeps in the center.
When blind symbol push rod 2 became high-order lock-out state by original state, its bottom surface raise, and disengaged with driver part 4 upwards.And when blind symbol push rod 2 became the low level lock-out state by original state, its bottom surface slightly reduced, and will apply certain pressure to the driver part 4 that makes progress, thereby caused driver part 4 distortion.But because the height of its reduction is very little, so the distortion of driver part 4 is very little, can not cause any adverse effect.When whole demonstration reading device was in off-position, blind symbol push rod 2 of all of maintaining body of the present invention and back up pad 3 all were in original state, and entire mechanism keeps steady state (SS).
Referring to Fig. 6, the horizontal drive parts that control back up pad 3 horizontal directions of the present invention move back and forth are the springs 11 that are positioned at back up pad one end, and the attraction back up pad of the other end is to the electromagnet 12 of one side shifting and the control circuit of its switch composition.Back up pad 3 is when initial position, and spring 11 is in extended state, for back up pad 3 provides pretightning force.When back up pad 3 need be to left, control section of the present invention was with the switch closure of electromagnet 12 control circuits, and electromagnet 12 attracts back up pads 3 to be moved to the left.And when back up pad 3 needs the return to primitive age position, open gauge tap, spring 11 will draw back up pad 3 playback.Wherein back up pad 3 adopts physical strength and better rigidity material to make, and also wants therefore to be used metal materials such as iron plate or steel plate gold by electromagnetic actuation.Moving back and forth except adopting the electromagnetism suction type of back up pad 3, the mode that can also adopt stepper motor to drag because these all are mature technologies, does not describe in detail.
Referring to Fig. 7 and Fig. 8, back up pad 3 of the present invention is provided with a plurality of through holes of arranging with matrix form, and its line number is a triplex row, or four lines, and is corresponding with the line number of Braille's dot character of routine or enhancement mode Braille dot character respectively; The columns of its through hole is then determined according to the number that touches the Braille on the reading table.In addition, the length of the blind symbol push rod 2 of each that passes in a plurality of through holes on the back up pad 3 is different, shown in Fig. 7 (B), but upper and lower two detents 5,6 of each on it all are positioned at same plane and the same side, can control and keep the upper and lower displacement campaign and the final position of each blind symbol push rod 2 like this with a back up pad 3 simultaneously.Back up pad 3 among Fig. 7 is four lines through holes, its two blind symbol push rods in left side (being two location points in the blind symbol dot matrix) are by the driver part jack-up that made progress, embed high-order lock-out state and be shown as salient point, two blind symbol push rods in its right side (being two other location point in the blind symbol dot matrix) are not embedded the low level lock-out state by jack-up, are shown as concave point.Fig. 8 shown a blind symbol (by four lines two row totally 8 dot matrix form) control the situation of each blind symbol push rod position by same back up pad.Two row two row that are arranged in the left side among the figure totally 4 blind symbol push rods (being four location points in blind symbol dot matrix left side) driver part jack-up is made progress, embed high-order lock-out state and be shown as salient point, its right side two row, two row totally 4 blind symbol push rods (being four location points, 2 points on right side in the blind symbol dot matrix) are not embedded the low level lock-out state by jack-up, are shown as concave point.
When blind symbol push rod 2 became high-order lock-out state by original state, its bottom surface raise, and disengaged with driver part 4 upwards; And when blind symbol push rod 2 became the low level lock-out state by original state, its bottom surface slightly reduced, and will apply certain pressure to the driver part 4 that makes progress, thereby caused driver part 4 distortion.But because the height of its reduction is very little, so the distortion of driver part 4 is very little, can not cause any adverse influence.When total system was in off-position, all blind symbols and back up pad all were in original state, and it is stable that total system keeps.
Referring to Fig. 9, the method for operating when the present invention is applied to reading aid for blindmen comprises the following steps:
(1) when showing that reader is accepted the data of blind symbol dot character, at first determines the data message state of each dot matrix of this blind symbol;
Is (2) each dot matrix of judging this blind symbol the point of projection? if, then enter step (3), if not, then enter step (4);
(3) upwards driver part action moves upward blind symbol push rod; The motion state that judges whether all blind symbol push rods has more all been determined to finish, if, then enter step (5), if not, then enter step (4);
(4) read in next blind symbol, change step (2) again over to;
(5) switch closure in the horizontal drive parts makes electromagnet attract the back up pad horizontal direction to move to the holding position, and promptly back up pad embeds the upper and lower groove of each blind symbol push rod, makes the point of projection that support arranged, and waits for that the blind person touches reading;
Is (6) cycle read in the demonstration that enters next blind symbol? if, then enter step (7), if not, then return step (5), continue to wait for that the blind person touches reading;
(7) switch in the horizontal drive parts disconnects, and electromagnet discharges, and back up pad is moved horizontally to the original position under spring action, and the blind symbol push rod of each that moves upward all under action of gravity, falls back to initial position;
(8) judge whether to enter next blind symbol again and show the reading cycle? if, then return step (1), continue cycling, if not, then finish this operation.
Because blind symbol dot matrix shows the frequency that refreshes and depends on blind person's reading rate, and blind person's reading rate can not surpass for 1 row/second at the soonest, so the present invention does not have specific (special) requirements for the speed of control system.
Claims (8)
1, a kind of braille dot character shows the maintaining body in the reading device, it is characterized in that: the blind symbol push rod that a cylindrical shape is arranged below the position of each dot matrix that touches corresponding each the blind symbol of reading table, the lower end of each blind symbol push rod all is respectively equipped with and drives the upwards upwards driver part of action of this blind symbol push rod, this blind symbol push rod upper end be an end be hemisphere, as the small column of blind symbol salient point, the right cylinder position of this blind symbol push rod is provided with upper and lower two detents; A back up pad that a plurality of through holes are arranged on it is positioned at the middle part of this blind symbol push rod, has penetrated a blind symbol push rod in each through hole; Described upper and lower two detents are positioned at cylindrical the same side, and both groove depths are identical, and connecting portion is the curved surface that seamlessly transits between two grooves; Promptly the following side plane of the last detent of this blind symbol push rod and its down the right cylinder between the upper side plane of detent be two and be the chamfering that seamlessly transits curved surface, wherein the chamfering of downside fillet surface is the shape that caves inward, so that when this blind symbol push rod moves upward, back up pad can slip into its detent down swimmingly; Also be provided with the reciprocating horizontal drive parts of the described back up pad horizontal direction of control.
2, braille dot character according to claim 1 shows the maintaining body in the reading device, it is characterized in that: the shape of through holes on the described back up pad is that a side is semicircle, and its slightly larger in diameter is in the diameter of blind symbol push rod; Opposite side is a rectangle, and wherein the through hole of rectangle one side is near cylindrical upper and lower two detents of blind symbol push rod, and its length of side also is slightly larger than the diameter of blind symbol push rod, so that can embed swimmingly when back up pad moves horizontally in the blind symbol push rod right cylinder groove.
3, braille dot character according to claim 2 shows the maintaining body in the reading device, it is characterized in that: in the through hole on the described back up pad, the lateral opening edge of the length of the rectangular through-hole relative with semi-circular through hole should be provided with chamfering, so that when back up pad moves, can slip into the detent up and down of blind symbol push rod swimmingly.
4, braille dot character according to claim 1 shows the maintaining body in the reading device, it is characterized in that: a plurality of through holes on the described back up pad are arranged with matrix form, its line number is a triplex row, or four lines, corresponding with the line number of Braille's dot character of routine or enhancement mode Braille dot character respectively; The columns of its through hole is then determined according to the number that touches the Braille on the reading table.
5, according to the maintaining body in claim 1 or the 4 described braille dot characters demonstration reading devices, it is characterized in that: the length of the blind symbol push rod of each cylindrical shape that passes in a plurality of through holes on the described back up pad is different, but upper and lower two detents of each on it all are positioned at same plane and the same side, can control and keep the upper and lower displacement campaign and the final position of each blind symbol push rod with a back up pad simultaneously.
6, braille dot character according to claim 1 shows the maintaining body in the reading device, it is characterized in that: the reciprocating horizontal drive parts of described control back up pad horizontal direction comprise: be positioned at the back-moving spring of back up pad one end, the attraction back up pad of the other end is to the electromagnet of one side shifting and the control circuit of being made up of power supply and switch.
7, according to the maintaining body in claim 1 or the 7 described braille dot characters demonstration reading devices, it is characterized in that: the reciprocating horizontal drive parts of described control back up pad horizontal direction adopt the mode of electromagnetism absorption, the mode that perhaps adopts the stepper motor be made up of stepper motor and control circuit, gear train and stop to drag.
8, a kind of braille dot character shows the control method of the maintaining body in the reading device, it is characterized in that: comprise the following steps;
(1) when showing that reader is accepted the data of blind symbol dot character, at first determines the data message state of each dot matrix of this blind symbol;
(2) if judge according to the data message state of dot matrix whether each dot matrix of this blind symbol is the point of projection, then enters step (3), if not, then enters step (4);
(3) upwards driver part action of control moves upward corresponding blind symbol push rod; The motion state that judges whether the blind symbol push rod of the Braille that all need show has again all been controlled and has been put in place, if, then enter step (5), if not, then enter step (4);
(4) read in next blind symbol, change step (2) again over to;
(5) switch closure in the controlling level driver part makes electromagnet attract the back up pad horizontal direction to move to the holding position, and promptly back up pad embeds the upper and lower groove of each blind symbol push rod, makes the point of projection that support arranged, and waits for that the blind person touches reading;
(6) read the cycle if judge whether the demonstration that enters next blind symbol, then enter step (7), if not, then return step (5), continue to wait for that the blind person touches reading;
(7) switch in the controlling level driver part disconnects, and electromagnet discharges, and back up pad is moved horizontally to the original position under spring action, and the blind symbol push rod of each that moves upward all under action of gravity, falls back to initial position;
(8) show the reading cycle if judge whether to enter next blind symbol again, then return step (1), continue cycling, if not, then finish this operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03105323 CN1256695C (en) | 2003-02-24 | 2003-02-24 | Holding mechanism in braille lattice character displaying and reading apparatus and operating method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03105323 CN1256695C (en) | 2003-02-24 | 2003-02-24 | Holding mechanism in braille lattice character displaying and reading apparatus and operating method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1525381A CN1525381A (en) | 2004-09-01 |
| CN1256695C true CN1256695C (en) | 2006-05-17 |
Family
ID=34282606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03105323 Expired - Fee Related CN1256695C (en) | 2003-02-24 | 2003-02-24 | Holding mechanism in braille lattice character displaying and reading apparatus and operating method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1256695C (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101840647A (en) * | 2010-03-26 | 2010-09-22 | 四川大学锦江学院 | Method and device for displaying brailles by deformation of magnetic control silica gel |
| CN103413504B (en) * | 2013-07-29 | 2015-09-23 | 中国科学院电工研究所 | A kind of mechanical dot-matrix displayer |
| JP6438683B2 (en) | 2014-06-02 | 2018-12-19 | 日東電工株式会社 | Case kit and ventilation case |
| CN104460984B (en) * | 2014-09-29 | 2017-08-22 | 北京理工大学 | The apparatus and method that a kind of automatic arrangement principle straggly of utilization push rod realizes threedimensional haptic texture composition |
| CN104916992B (en) * | 2015-06-29 | 2017-04-19 | 清华大学 | Self-locking mechanism and touch image touch dot array for blind people |
| CN110998492B (en) * | 2017-08-08 | 2023-09-12 | 株式会社Dot | information output device |
| CN108447350B (en) * | 2018-01-26 | 2019-10-08 | 浙江理工大学 | A kind of aobvious device of mobile convex block drive-type braille point |
| CN108447351B (en) * | 2018-01-26 | 2019-12-03 | 浙江理工大学 | A kind of aobvious module of actuated by cams formula braille point |
| CN108492682A (en) * | 2018-06-05 | 2018-09-04 | 深圳大学 | Reading aid for blindmen |
| CN109243258B (en) * | 2018-10-15 | 2020-07-14 | 浙江理工大学 | Low-energy-consumption electromagnetic driving type braille point display device |
| CN110666475B (en) * | 2019-09-30 | 2020-11-13 | 中电装备山东电子有限公司 | Be applied to automatic device that single-phase electric energy meter logic board assembly was got material |
-
2003
- 2003-02-24 CN CN 03105323 patent/CN1256695C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1525381A (en) | 2004-09-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1256695C (en) | Holding mechanism in braille lattice character displaying and reading apparatus and operating method thereof | |
| US6700553B2 (en) | Braille computer monitor | |
| US11410574B2 (en) | Layered electro-magnetic refreshable braille display device and braille reader | |
| WO2021098193A1 (en) | Braille printing method and system | |
| CN108447350B (en) | A kind of aobvious device of mobile convex block drive-type braille point | |
| CN1118030C (en) | Braille generation method and its reader/typewriter | |
| CN103413504B (en) | A kind of mechanical dot-matrix displayer | |
| CN111361298B (en) | Large-scale braille lettering system and method thereof | |
| CN1249565C (en) | Button capable of being lifted and keyboard with the button | |
| CN204406794U (en) | Reading aid for blindmen | |
| CN108447351B (en) | A kind of aobvious module of actuated by cams formula braille point | |
| CN2782236Y (en) | Pointer of sorting appts | |
| CN102145624B (en) | Portable engraving system for ring object | |
| CN214870625U (en) | Intelligent writing robot | |
| CN201638418U (en) | English word blank-filling learning machine | |
| CN208321680U (en) | A kind of blinds shaping typing apparatus | |
| CN215826210U (en) | Pivot friction part stamp-pad ink mechanism | |
| CN216902000U (en) | Electromagnetic braille display | |
| CN216901999U (en) | Blind person pointing display device with multiple rows | |
| CN214522814U (en) | Machine head device for realizing steel cylinder typing | |
| CN213007131U (en) | Special printer of household registration | |
| CN201004277Y (en) | Character concave template | |
| KR20120081779A (en) | Apparutus for printing braille points using piezo motor | |
| CN2557591Y (en) | Electromagnetic piling machine | |
| CN110757958A (en) | Portable electromagnetic type dot matrix braille memo printing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060517 Termination date: 20100224 |