KR20090018857A - Tactile display composed of wire-supported pins - Google Patents

Tactile display composed of wire-supported pins Download PDF

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Publication number
KR20090018857A
KR20090018857A KR1020090008648A KR20090008648A KR20090018857A KR 20090018857 A KR20090018857 A KR 20090018857A KR 1020090008648 A KR1020090008648 A KR 1020090008648A KR 20090008648 A KR20090008648 A KR 20090008648A KR 20090018857 A KR20090018857 A KR 20090018857A
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KR
South Korea
Prior art keywords
pin
wire
driver
tactile display
clasp
Prior art date
Application number
KR1020090008648A
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Korean (ko)
Inventor
이정열
Original Assignee
이정열
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Publication date
Application filed by 이정열 filed Critical 이정열
Priority to KR1020090008648A priority Critical patent/KR20090018857A/en
Publication of KR20090018857A publication Critical patent/KR20090018857A/en
Priority to PCT/KR2010/000575 priority patent/WO2010090417A2/en

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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
    • G09B21/003—Teaching or communicating with blind persons using tactile presentation of the information, e.g. Braille displays
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
    • G06F1/1696—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675 the I/O peripheral being a printing or scanning device
    • 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
    • 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
    • G06F3/016—Input arrangements with force or tactile feedback as computer generated output to the user
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Business, Economics & Management (AREA)
  • General Health & Medical Sciences (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Computer Hardware Design (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Computational Linguistics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • User Interface Of Digital Computer (AREA)

Abstract

The present invention relates to a scan type tactile display, the pin (100) having a latch (110) to be caught on the wire 120 while being able to move up and down to feel tactile, in a vertical direction with the pin (100) Wire 120 is fixed in a fixed position, the separator 130 for separating the wire 120 from the clasp 110, the pin driver 150 to move the pin 100 once separated to the intended position, the clasp ( 110 is coupled to the wire 120, the coupling device 140, the separating device 130 / coupling device 140 / frame 160 to secure the pin driver 150, the frame 160 to the wire 120 It consists of a linear driver 170 for linear movement in the direction of ().

In order to display tactile information on the pin 100 of a specific (X, Y) coordinate on the display plane, the linear driver 170 moves the frame 160 to the X position of the corresponding coordinate. The wire 120 is separated from the latch 110 by the separator 130 fixed on the frame 160 just before arrival of the X position, and thus the pin 100 may be controlled by the pin driver 150. do. At this time, if necessary to drive the pin driver 150 in the Y position to display the intended tactile information by the pin 100 to move the frame 160 a little more, the latch (140) by the coupling device (140) As the pin 110 is caught by the wire 120, the pin 100 may be fixed to transmit tactile information to the user.

Description

Tactile Display composed of wire-supported pins}

Braille Displays, Graphical Tactile Displays, Miniature Drivers

White cane is the most commonly used tool to help the visually impaired walk. This cane is used to tactilely identify features and to walk around obstacles or dangerous objects. However, with this cane, you can only see features that are about 1m away, and you can't respond to other obstacles by grasping obstacles that are harder to see through tactile touches. This high level of walking requires a visual aid that can be remotely searched.

However, the task of commercializing such visual aids is slow. The key reason starts with the problem of the device itself that needs to be supplemented with the sense of touch. To tactilely inform, you need a driver that can deliver power, and it costs a lot to have a minimum of hundreds to even tens of thousands of drivers that can complement long-range vision.

To reduce the number of drivers, a scan scheme is used to control the pin at a specific position as the pin driver moves. An important design point is that the pin must be able to maintain the specified position after the pin driver has passed. The existing patent (US6700553) uses a pin with a clasp and an elastic wire. When the pin is pushed up to display information on the pin (ON means the pin protrudes and OFF means the pin is inserted), the elastic wire It contracts momentarily, catches up with the latch, then stays in the groove and retains the information. If the adjacent pins sharing the wire are turned on at the same time, the clasps of the two pins will pass through the wire at the same time, causing severe wire wear and high output of the driver. In addition, since there is no way to turn off the pin individually after turning the pins on, there is a separate OFF plate that turns off the entire display at once.In this case, the display efficiency is lowered, but the manufacturing cost is increased due to the additional components such as the OFF plate. . For example, in the case of the center pin, only 50% of the time is used to display the correct information, and the remaining time remains off.

The patent proposes a tactile display that is economically constructable and portable enough to be used in such a visual aid.

In the scan-type tactile display, the power consumption of the driver should be minimized during the operation of the pin 100. In addition, the ON and OFF of each of the pins 100 must be made independently so that the time for the pin 100 to display unintended information must be minimized. The structure of the pin 100 itself should also be simple so that the manufacturing cost is low.

In order to minimize the power consumption of the driver when driving a specific pin 100, when driving the pin 100, it is necessary to maintain a completely free of interference such as the wire 120. To this end, a separating device 130 is installed to naturally separate the wire 120 and the latch 110 at the time of driving the specific pin 100, and the coupling device (before and behind the separating device 130 in the direction of the wire 120) 140 was installed to keep the other pin 100 and the wire 120 is still coupled. There is also a method of installing a roller in the separation device 130 and the coupling device 140 in order to prevent the wire 120 is broken by friction between the separation device 130 and the coupling device 140 and the wire 120. .

Two proposals are made for the OFF of each pin 100 to be made independently.

The first suggestion is to install a spring with an OFF default position on the pin 100 itself so that the latch 110 is always reset to the OFF state when disconnected from the wire 120. The pin driver 150 entered into the position is maintained in the OFF state or driven as necessary to be changed to ON. The spring attached to the pin 100 may be implemented by a fabric made of an elastic material such as a compression spring directly attached to the pin 100, a leaf spring, or a rubber attached to the display upper plate 180. In this case, the pin driver 150 used is a solenoid of the PUSH type. In general, the driving pin 230 enters by a spring restoring force in the pin driver 150 and the driving pin protrudes when a current is applied. .

The second suggestion is that the driving pin 630 of the pin driver 150 enters the latch 110 opposite to the wire 120 and changes the pin 100 into an ON and OFF state. It is a driver that maintains the intermediate position when not driven, additionally protrudes from the intermediate position by a certain length when driving up, and sinks by a certain length when the driving is downward. The pin driver 150 enters the intermediate position in the non-driven state when the pin 100 is inserted, and the driving pin 630 and the latch 110 are coupled to each other. do.

Since power is removed after the wire 120 and the latch 110 are separated, power consumption is minimized. Unintended information on the display is also extremely short, indicating proper display performance. According to the present patent, it is possible to freely display the desired height according to the number of the clasps 110 and the type of the pin driver 150 that depend on the pin 100 as well as the binary braille display method that displays only ON and OFF. Detailed graphic representations are possible.

A pin 100 having a latch 110 so as to be caught up to the wire 120 while being able to move up and down to feel a tactile sense, the wire 120 fixed to a predetermined position in a vertical direction with the pin 100, Separator 130 to separate the wire 120 from the clasp 110, pin driver 150 to move the pin 100 once separated to the intended position, the clasp 110 and the wire 120 to re-engage Frame 160 for fixing coupling device 140, separating device 130 / coupling device 140 / pin driver 150, linear driver 170 for linear movement of frame 160 in the direction of wire 120 It consists of. (Figure 1)

In order to display tactile information on the pin 100 of a specific (X, Y) coordinate on the display plane, the linear driver 170 moves the frame 160 to the X position of the corresponding coordinate. The wire 120 is separated from the latch 110 by the separator 130 fixed on the frame 160 just before arrival of the X position, and thus the pin 100 may be controlled by the pin driver 150. do. Separator 130, the coupling device 140 is always the SLIP with the wire 120 to cause the wear of the wire 120, so the roller 120 is attached to the separation device 130, coupling device 140, the wire 120 Rolling may occur between and to reduce friction.

The pin 100 is divided into a structure in which the spring is attached or a structure without the spring.

In the case of adopting the spring-attached pin structure (FIGS. 2 and 3), when the wire 120 is removed from the latch 110, the pin 100 immediately returns to the OFF state by the restoring force of the springs 210 and 310. The pin 100 once turned off is maintained in the OFF state by the pin driver 150 which has entered the non-driven state, or driven as necessary to be changed to ON. The spring attached to the pin 100 may be implemented as a fabric 310 made of an elastic material such as a compression spring 210 directly attached to the pin 100, a leaf spring, or a rubber attached to the display upper plate 180. Can be. Here, the pin driver 150 is commonly referred to as a solenoid of the PUSH method. In the case of no driving, the pin driver 150 enters the downward direction by entering the driving pin 230 by the restoring force of the internal spring of the pin driver 150. ) Is in the form of protruding upward. The protruding drive pin 230 overcomes the force of the spring attached to the pin 100 and turns on the pin 100.

When the cloth 310 made of elastic material such as rubber is attached as a spring substitute, the restoring force is the same for each pin 100, and the upper plate 180 except for a part around the pin 100 so that the individual pins 100 operate independently. ) And the cloth 310 must be glued (320). (Figure 3)

When the pin driver 150 passes through the X position in a state where the upward or no driving state continues, the pin driver 150 passes through the coupling device 140 which couples the wire 120 to the clasp 110 again. Clasp 110 is coupled, the position of the pin 100 is fixed. At this time, the pin driver 150 is switched to the non-driven state and proceeds to the next pin 100. (Figure 1)

Regardless of the presence or absence of the springs 210 and 310, various heights may be expressed according to the number of the clasps 110 in the pin 100. (Fig. 5) For example, if there is one clasp 110, two positions can be expressed above the clasp 110 and below the clasp 110, but a general braille expression is sufficient, but four clasps if the clasp 110 is three, for example. More realistic expressions are possible, such as in graphical representations. In this case, the pin driver 150 should also be applied to the multi-stage driver that can push the pin 100 to the required height.

In the springless pin structure (FIG. 4), the pin 100 is free to move up and down due to the latch 110 separated from the wire 120. Then, the drive pin 630 of the pin driver 150 enters the latch 110 opposite to the wire 120 to change the pin 100 into an ON and OFF state. The pin driver 150 used at this time is non-driven. The driving pin 630 maintains an intermediate position, and when driven upward, further protrudes by a certain length from the intermediate position, and when driven downward, the driver has a property of being recessed by a certain length from the intermediate position. The pin driver 150 enters the intermediate position in the non-driven state when the pin 100 is inserted, and the driving pin 630 and the latch 110 are coupled to each other. do.

Figure 6 shows an example of such a driver, which has two coils 610 and a core 611 for driving up and down, and close to the core by applying force to the coil in close proximity to the core. It is composed of a ferromagnetic plate 620 designed to be connected to the two ferromagnetic plates 620, the driving pin 630 to move integrally, the inner spring 640 to make the drive pin 630 in the intermediate position in the non-driven state have. In general, two compression springs 640 are used. However, one compression spring may be fixed to one of the central partitions 650 and the other to the driving pin 630, if necessary.

When passing through the X position in the state where the upward or downward driving continues, the wire 120 passes through the coupling device 140 for re-engaging the clasp 110, and the wire 120 and the clasp 110 of the pin are coupled. , The position of the pin 100 is fixed. At this time, the driving of the pin driver 150 is stopped and becomes a non-driven state, and the pin driver 150 proceeds toward the next pin 100 to the neutral position.

Since the separation device 130 and the coupling device 140 are positioned at one side of the clasp 110, it is advantageous in arrangement to allow the pin driver 150 to come to the opposite side. (Figure 4)

The wire 120 is advantageous in that it is not elastic and has low energy consumption during deformation. An independent wire 120 may be installed for each Y line, or the entire display may be bundled using one wire. In preparation for the stretching of the wire 120 due to the aging of the wire 120, a tension maintaining spring 710 may be mounted at one end of the wire 120. (Figure 7)

The wire 120 continues to rub against the coupling device 140 and the separation device 130, thereby limiting the service life. Therefore, it may include a reel 810 holding the extra wire 840 to easily replace the wire 120 according to the use time. In this case, the replacement of the wire 120 is made to release the clamp 820 of the reel so that the wire 120 can be supplied, and then the wire 120 from the wire 120 holder 830 of the outlet side of the wire 120 ) After the old wire 120 is pulled out, and the old wire 120 is discharged, the end of the wire 120 is fixed to the wire 120 and the holder 830, and then the reel 810 is connected to the wire 120. After a certain tension is confirmed by turning in the opposite direction of the supply direction, the reel clamp 820 is wound around the reel so that the wire 840 is no longer supplied from the reel. (Figure 8)

Figure 1: Scan Method Display

Fig. 2: Pin structure with spring-compression spring

Figure 3: Pin structure with spring-Cloth made of elastic material such as rubber

Fig. 4: Pin structure without spring

5: Fin structure for expressing various heights

6: Driveless / Upward / Downward-Driven Pin Driver 150

Figure 7: Wire Tension Retention Spring

Figure 8: Structure for replacing wire

Claims (6)

A pin 100 having one or more clasps 110 so as to be caught up to the wire 120 while being able to move up and down to feel a tactile sense, and the wire 120 fixed at a predetermined position in a vertical direction with the pin 100. ), The separator 130 to separate the wire 120 from the clasp 110, the pin driver 150, which moves the pin 100 once separated to the intended position, the clasp 110 and the wire 120 again. Coupling device 140 for coupling, the separating device 130 / coupling device 140 / the pin driver 150 to secure the frame 160, the linear drive to linearly move the frame 160 in the direction of the wire 120 ( Tactile display, characterized in that In the tactile display of claim 1, a compression / tension spring 210 and a plate spring are attached to the pin 100 so that the pin 100 is automatically turned off when the clasp 110 and the wire 120 are separated. Tactile display, characterized in that the spring device is attached, such as attaching a cloth 310 made of an elastic material such as rubber to 180 In the tactile display of claim 1, when the frame 160 moves, the pin driver 150 having an intermediate position is set so that the driving pin 630 of the pin driver 150 enters the opposite direction to the engagement position of the wire 120 of the clasp 110. Tactile display, characterized in that provided In the tactile display of the first, second, and third aspects, a tactile display comprising a multi-stage pin driver 150 to express the height of two or more clasps 110 and three or more pins 100. 4. The two coils 610 and the core 611 for driving up and down, two ferromagnetic plates 620 designed to adhere to the core under force upon application of current to the coil in close proximity to the core. Drive pins 630 connected integrally with the ferromagnetic plate 620 of the two, the inner spring 640 or the central partition 650 and the driving pins 630 to make the drive pins 630 in the intermediate position in the non-driven state Tactile display, characterized in that it has one inner spring (640) fixed at both ends) The tactile display according to claim 1, further comprising a wire tension retaining spring 710 or an old wire replacement reel 810 and a reel fastener 820.
KR1020090008648A 2009-02-03 2009-02-03 Tactile display composed of wire-supported pins KR20090018857A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020090008648A KR20090018857A (en) 2009-02-03 2009-02-03 Tactile display composed of wire-supported pins
PCT/KR2010/000575 WO2010090417A2 (en) 2009-02-03 2010-01-29 Tactile display having wire-supported pins

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020090008648A KR20090018857A (en) 2009-02-03 2009-02-03 Tactile display composed of wire-supported pins

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KR20090018857A true KR20090018857A (en) 2009-02-23

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100979885B1 (en) * 2009-03-06 2010-09-02 이정열 Tactile Display composed of pins supported by holding bar with repetitive convex, concave patterns

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003316493A (en) * 2002-04-19 2003-11-07 Seiko Epson Corp Tactile sense presentation device
JP2004054694A (en) * 2002-07-22 2004-02-19 Yaskawa Electric Corp Sense presentation device and its method
FR2849258B1 (en) * 2002-12-19 2006-12-22 Commissariat Energie Atomique SURFACE MODIFICATION PLATE

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100979885B1 (en) * 2009-03-06 2010-09-02 이정열 Tactile Display composed of pins supported by holding bar with repetitive convex, concave patterns

Also Published As

Publication number Publication date
WO2010090417A3 (en) 2010-11-25
WO2010090417A2 (en) 2010-08-12

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