KR20100107997A - Pen type tactile representive device and tactile interface system using thereof - Google Patents

Abstract

The present invention is in the form of a pen, and when the tip of the hand touches the touch screen, the pen type vibrates vertically or horizontally with respect to the touch screen surface to present a pen-type touch to feel the touch of an object displayed on the touch screen. A device and a tactile interface system using the same.

According to the present invention as described above, the pen-shaped main body case having an opening on one side; The tip accommodated in the main body case, the tip provided through the opening of the main body case protrudes to the outside, and the tip vibrates by an external driving force while the tip is in contact with the touch screen, thereby holding the main body case. A tactile hand that generates a tactile feeling to the user; A communication unit accommodated in the main body case and receiving tactile information from an electronic device having the touch screen when the tip contacts the touch screen; A tactile control unit accommodated in the main body case and generating a tactile driving signal according to tactile information received by the communication unit; And a driving unit accommodated in the main body case and including a driving unit for vibrating the tactile hand provided in response to the tactile driving signal generated by the tactile control unit, and a tactile interface system using the same.

Description

Pen type tactile representive device and tactile interface system using

The present invention relates to a pen-type tactile display device and a tactile interface system using the same.

In particular, the present invention is made in the form of a pen and when the tip of the stylus contacts the touch screen, the pen is made to vibrate the stylus vertically or horizontally to the touch screen surface to feel the touch of the object displayed on the touch screen It relates to a tactile display device and a tactile interface system using the same.

The touch screen is a kind of input device capable of transmitting an input signal corresponding to the pressed position to an electronic device equipped with the touch screen by pressing a specific area with a stylus pen or a user's hand.

However, in the case of the touch screen, when the user presses a specific area of the touch screen, there is no feedback transmitted to the user, so that the user may not know whether the input is correctly made on the touch screen.

Recently, in order to cope with this, an electronic device equipped with a touch screen is provided with a vibration motor, and when a user manipulates the touch screen, a vibration motor operates to vibrate the entire electronic device. However, this also does not know whether the user is a feedback to the directly pressed area, there is a problem that the operation feeling of the touch screen is inferior.

The present invention provides a pen-type tactile display device capable of providing feedback having a tactile form to a user's manipulation of a touch screen, and a tactile interface system using the same.

A tactile display device of the present invention for achieving the above object, the pen-type body case having an opening on one side; The tip accommodated in the main body case, the tip provided through the opening of the main body case protrudes to the outside, and the tip vibrates by an external driving force while the tip is in contact with the touch screen, thereby holding the main body case. A tactile hand that generates a tactile feeling to the user; A communication unit accommodated in the main body case and receiving tactile information from an electronic device having the touch screen when the tip contacts the touch screen; A tactile control unit accommodated in the main body case and generating a tactile driving signal according to tactile information received by the communication unit; And a driving unit accommodated in the main body case and vibrating the stylus provided according to the tactile driving signal generated by the tactile control unit.

In addition, the tactile hand of the tactile display device of the present invention, the flange-shaped step portion accommodated inside the main body case; And it is formed to protrude in the shape of a rod toward the inside of the main body case on one side of the flange-shaped step, and has a rear projection receiving the driving force from the drive unit, the tip has an opening of the main body case on one side of the flange-shaped step It is formed to protrude to the outside, and when the driving force is transmitted to the rear projection by the driving unit in contact with the touch screen is characterized in that it generates a touch to the user holding the main body case by vibrating.

In addition, the tip of the hand of the tactile display device of the present invention is characterized in that the vibration in the vertical direction with respect to the touch screen surface.

In addition, the tip of the hand of the tactile display device of the present invention is characterized in that the vibration in the horizontal direction with respect to the touch screen surface.

In addition, the driving unit of the present invention is an ultrasonic transducer which is accommodated in the main body case and made of a piezoelectric material and an electrode to generate a displacement in accordance with the driving signal of the ultrasonic region; A moving shaft connected to the ultrasonic transducer housed in the main body case and linked to the displacement of the ultrasonic transducer; And a mover moving along the moving axis and providing a driving force to the stylus, wherein the controller controls the ultrasonic transducer using driving signals of different ultrasonic regions corresponding to the tactile information.

In addition, the operating frequency of the transducer of the tactile display device of the present invention is characterized in that 1kHz or more.

In addition, the operating frequency of the drive unit of the present invention is characterized in that the audible frequency or more.

In addition, the tactile interface system of the present invention comprises an electronic device having a touch screen to detect the contact coordinates of the contact area when there is a touch on the touch screen and to transmit tactile information corresponding to the detected contact coordinates; And a stylus having a pen-shaped main body case having an opening on one side, the tip being accommodated in the main body case and having a tip protruding outward from the main body case. And a tactile display device for vibrating the tactile hand provided to generate a corresponding sensation according to the tactile information of the contact portion of the touch screen transmitted from the electronic device in a contact state.

In addition, the electronic device of the tactile interface system of the present invention, the memory for storing the tactile information of the image displayed on the touch screen; A display controller which receives the touch coordinates from the touch screen and reads out the tactile information displayed on the touch coordinates from a memory and outputs the touch information; And a first communication unit configured to transmit an output of the display control unit to the outside, wherein the touch screen detects and outputs contact coordinates when the tactile hand of the tactile presentation device contacts the surface.

In addition, a part of the touch screen of the tactile interface system of the present invention is partitioned into a virtual tactile display area, and the display control unit differs in the tactile display device according to whether the touch position of the touch screen is within the tactile display area. And tactile information is output to vibrate the tactile hand at a frequency.

In addition, the tactile display device of the present invention, the second communication unit which is accommodated in the main body case, receives the tactile information from the electronic device having the touch screen when the tip is in contact with the touch screen; A tactile control unit accommodated in the main body case and generating a tactile driving signal according to tactile information received by the second communication unit; And a driving unit accommodated in the main body case and vibrating a stylus provided according to a tactile driving signal generated by the tactile control unit, wherein the tactile hand is accommodated in the main body case and provided through an opening of the main body case. The tip protrudes outward, and the tip vibrates by the driving unit in a state in which the tip contacts the touch screen, thereby generating a touch to a user who grips the main body case.

In addition, the tactile hand of the tactile interface system of the present invention, the flange-shaped step portion accommodated inside the main body case; And a protruding rod shape toward one of the flange-shaped step parts toward the inside of the main body case, and having a rear protrusion receiving the driving force from the driving part, wherein the tip has an opening of the main body case on one side of the flange-shaped step part. It is formed to protrude to the outside, and when the driving force is transmitted to the rear protrusion by the driving unit in a state in contact with the touch screen, it is characterized in that it generates a touch to the user holding the main body case.

The tip of the stylus of the tactile interface system of the present invention is characterized in that it vibrates vertically with respect to the touch screen surface.

The tip of the stylus of the tactile interface system of the present invention is characterized in that it vibrates in a horizontal direction with respect to the touch screen surface.

In addition, the driving unit of the tactile interface system of the present invention, the ultrasonic transducer is accommodated in the main body case and composed of a piezoelectric material and an electrode to generate a displacement in accordance with the drive signal of the ultrasonic region; A moving shaft connected to the ultrasonic transducer housed in the main body case and interlocked with the displacement of the ultrasonic transducer; And a mover moving along the moving axis and providing a driving force to the stylus, wherein the controller controls the ultrasonic transducer using driving signals of different ultrasonic regions corresponding to the tactile information.

As described above, according to an embodiment of the present invention, the touch part is vibrated vertically or horizontally with respect to the touch screen surface through a driving part provided in the main body case of the pen type to provide a feeling of operation in which the user's touch is changed. Can be.

The features and advantages of the present invention will become apparent from the following drawings and detailed description of the invention.

Hereinafter, an embodiment of a pen-type tactile presentation device and a tactile interface system using the same will be described in detail with reference to the accompanying drawings. In the following description, the same or corresponding components are the same. The reference numerals will be given and overlapping description thereof will be omitted.

1 is a perspective view of a tactile interface system 1000 using a pen-type tactile display apparatus according to a first embodiment of the present invention, Figure 2 is a pen-type tactile display apparatus according to a first embodiment of the present invention It is a block diagram of the used tactile interface system.

As shown in FIG. 1, the tactile interface system 1000 according to the first embodiment of the present invention includes a touch screen 110 such that the tactile finger 250 of the tactile display device 200 is connected to the touch screen 110. In the case of contact, the electronic device 100 detects contact coordinates of the contact region and transmits tactile information corresponding to the detected contact coordinates to the tactile presentation device 200, and the touch screen 110 transmitted from the electronic device 100. And a tactile presentation device 200 for vibrating the tactile needle 250 provided to generate a corresponding tactile information according to the tactile information of the contact portion of the touch panel vertically or horizontally with respect to the touch screen surface.

Here, the electronic device 100 provided with the touch screen 110 may be a portable device such as a mobile phone, a personal digital assistant (PDA), a portable multimedia player (PMP), or an MPEG audio layer-3 (MP3) player. The electronic device may be an electronic device such as an electronic device, a navigation device, a monitor, an auto teller machine (ATM), a game machine, a kiosk, or the like.

1 and 2, the configuration of the electronic device 100 is coupled to one surface of the touch screen 110 and the touch screen 110 that detect and output coordinates of a contact portion of the tactile presentation device 200. Touched by the memory 170 and the touch screen 110 that store surface tactile information of an object such as a button or an icon in a screen displayed on the image display panel 130 and an image display panel 130. The display control unit 150 and the display control unit 150 which receive the coordinates of the contact portion 250 and receive and output the tactile information of the object located at the portion corresponding to the received coordinates from the memory 170. The communication unit 190 for transmitting the tactile information to the tactile presentation device 200 is provided.

In such a configuration, the touch screen 110 outputs contact coordinate information according to the contact upon contact with an external object such as the tactile display device 200, and is configured in various ways. For example, the touch screen 110 may be configured as any one of a contact capacitive type, a pressure resistive film type, an ultrasonic type, and an infrared light sensor type.

In addition, the image display panel 130 is a portion capable of displaying an image, such as an LCD panel, and may perform a function as an output unit of the electronic device 100.

The image display panel 130 may be electrically connected to the display controller 150, and may display various types of images according to the operating state of the electronic device 100 by the display controller 150. The image display panel 130 may display a target object to be selected by the user, for example, a button, an icon, a scroll bar, or the like.

The memory 170 stores tactile information of a target object such as a button, an icon, a scroll bar, or the like displayed on the screen displayed through the image display panel 130.

In addition, the display controller 150 controls to display a desired image on the image display panel 130, and when the contact coordinate information of the contact region that the tactile presentation device 200 touches is input on the touch screen 110, the corresponding contact coordinates. Determining whether there is a target object such as a button, an icon, a scroll bar, etc., the target object exists, and the touch information of the target object is read from the memory 170 and transmitted to the tactile presentation device 200 through the communication unit 190. do.

In addition, the communication unit 190 transmits the tactile information input from the display control unit 150 to the communication unit 220 of the tactile presentation device 200, and transmits it through wired or wireless communication and performs short-range communication such as Bluetooth. The method may be used, but may be implemented by being replaced with other wireless communication modules such as TCP / IP, UDP, RF, and the like.

On the other hand, the tactile display device 200 is a communication unit for receiving the tactile information that is received in the normal body case 210 having an opening on one side, the main body case 210 and transmitted from the communication unit 170 of the electronic device 100 220, a tactile control unit 230 that is accommodated in the main body case 210 and generates and outputs a driving signal having a pattern and a size according to the tactile information received from the communication unit 220, the tactile control unit accommodated in the main body case 210. In response to the driving signal input from the 230, the driving unit 240 vibrates vertically or horizontally with respect to the touch screen surface, the body case 210 is accommodated in the touch screen surface according to the driving of the driving unit 240 It includes a tactile tip 250 to vibrate vertically or horizontally to generate a touch to the user holding the main body case 210.

Here, the communication unit 220 receives the tactile information from the communication unit 190 of the electronic device 100, performs communication with the communication unit 190 of the electronic device 100 through a wired or wireless, and wireless communication A short range communication method such as Bluetooth may be used, but may be implemented by being replaced with other wireless communication modules such as TCP / IP, UDP, and RF.

In addition, the tactile controller 230 determines a pattern or size according to the tactile information transmitted from the display controller 150 of the electronic device 100, generates a driving signal corresponding thereto, and outputs the driving signal to the driving unit 240.

The driver 240 drives the tactile finger 240 vertically or horizontally with respect to the touch screen surface according to the driving signal input from the tactile controller 230. For example, an ultrasonic motor may be used.

Here, the ultrasonic motor is a linear motor mainly used for driving a lens such as a mobile phone or a camera, and consists of a piezoelectric material and an electrode accommodated in the main body case 210 as shown in FIG. Therefore, the movement shaft 240b connected to the ultrasonic transducer 240a in which the displacement occurs, the ultrasonic transducer 240a accommodated in the main body case 210, and linked to the displacement of the ultrasonic transducer 240a, and the movement A mover 240c or the like that moves along the axis 240b.

The ultrasonic transducer 240a is preferably a disc-shaped bimorph transducer that causes concave or convex bending displacement, and the moving shaft 240b is in the form of a rod and interlocks with the displacement of the ultrasonic transducer 240a. Exercise up and down. The mover 240c is configured to cover at least a part of the surface of the moving shaft 240b in close contact with the surface of the moving shaft 240b to maintain a constant frictional force. Accordingly, the mover 240c does not move or move with the moving shaft 240b according to the moving speed of the moving shaft 240b.

The ultrasonic motor of the above-described configuration converts the displacement of the ultrasonic transducer 240a into a linear displacement of the mover 240c and adjusts the drive signal of the ultrasonic region applied to the ultrasonic transducer 240a. The displacement of 240c) can be adjusted. At this time, since the vertical movement of the mover 240c is controlled according to the vibration speeds of the ultrasonic transducer 240a and the moving shaft 240b, the frequency of the electric signal applied to the ultrasonic transducer 240a is not the magnitude of the electric signal. By controlling the linear motion can be adjusted.

Therefore, the size of the power supply unit 260 for driving the ultrasonic motor is greatly reduced, and low power, low noise, fast response, and miniaturization are possible.

Next, referring to FIG. 3, which is an exploded perspective view, the stylus 250 is formed to protrude conically toward the outside of the main body case 210 on one side of the flange-shaped step part 250a and the flange-shaped step part 250a. On one side of the tip 250b and the flange-shaped step part 250a, it is provided with the rear protrusion part 250c formed so that it may protrude toward the inside of the main body case 210 in rod shape.

The stylus 250 having such a configuration vibrates vertically or horizontally with respect to the touch screen surface by interlocking with the vibration of the mover 240c by contacting the rear protrusion 250c with the mover 240c of the driving unit 240.

Meanwhile, a spring 255 is preferably provided between the flange-shaped step 250a of the stylus 250 and the distal end of the body case 210 to provide a restoring force to the stylus 250.

Looking at the operation of the pen-type tactile display device having such a configuration and the tactile interface system using the same as follows.

When the user touches the tactile hand 250 of the tactile presentation device 200 to the touch screen 110 of the electronic device 100, the touch screen 110 is a position where the tactile finger 250 of the tactile presentation device 200 contacts. Coordinates corresponding to and detected are transmitted to the display controller 150.

Then, the display control unit 150 receives the coordinates indicated by the tactile presentation device 200 from the touch screen 110, and the scroll bar which is an icon at the corresponding coordinates of the touch screen 110 that the tactile presentation device 200 contacts. It is determined whether there is a target object.

As a result of determination, the display controller 150 reads the tactile information corresponding to the target object from the memory 170 and transmits the tactile information corresponding to the target object to the communication unit 220 of the tactile presentation device 200 through the communication unit 190.

As such, when the tactile information of the target object is stored in the memory 170, the display controller 150 may easily generate tactile information with reference to the memory 170 and transmit the tactile information to the tactile presentation device 200.

Meanwhile, the communication unit 220 of the tactile presentation device 200 receives tactile information transmitted from the communication unit 190 of the electronic device 100 and transmits the tactile information to the tactile control unit 230.

Then, the tactile controller 230 generates a driving signal having a pattern and a size corresponding to the received tactile information and provides the generated driving signal to the driving unit 240.

The driver 240 operates the ultrasonic motor provided according to the pattern and size input from the tactile controller 230 to transmit a corresponding force to the tactile needle 250 so that the tactile needle 250 is perpendicular or horizontal to the touch screen surface. Vibrate.

Then, the touch is transmitted to the user's hand holding the outside of the main body case 210 of the tactile display 200.

As such, the tactile control unit 230 receives the tactile information on the user's pressing position from the electronic device 100, and the driving unit 240 causes the driving unit 240 to vibrate the tactile finger 250 at different frequencies according to the tactile information. ) Can be controlled.

That is, when the user presses the touch screen 110, the tactile controller 230 changes the operating frequency of the driver 240 according to the change in the pressurized position, and thus the touch of the surface of the touch screen 110 is continuously. It is possible to provide the user with a feeling of operation that is changing.

4 and 5 are diagrams illustrating the operation principle of the tactile interface device 1000 according to the first embodiment of the present invention. As shown in FIG. 4, when the user touches and moves on the surface of the touch screen 110, the touch screen 110 is at a speed Vv slower than the speed Vm of the finger movement. If vibrating, the user may feel a friction force F in a direction opposite to the direction of movement of the finger along with the tactile feeling according to the texture of the surface of the touch screen 110.

However, as shown in FIG. 5, when the touch screen 110 vibrates at a faster speed Vv 'than the speed Vm' of the user's finger movement, the user may move the finger. The friction force F 'in the same direction as the moving direction can be felt. In other words, the user may feel the touch as the frictional force of the surface of the touch screen 110 is reduced.

On the other hand, there are several receptors on the human skin, and each receptor can transmit different information to the brain according to the frequency range. Among them, the Pacinian corpuscule, which receives vibrations, can detect vibrations in the 10 to 500 Hz range.

Accordingly, when the touch screen 110 is vibrated at 500 Hz or more, the user may be provided with information that can be recognized as being changed due to a decrease in the frictional force of the surface of the touch screen 110 rather than vibration.

According to the user, the frequency of the range that can be recognized as vibration may be slightly different. For example, when the touch screen 110 vibrates at a frequency of 1 kHz or more, most users change the touch of the surface of the touch screen 110. It can be recognized as.

In addition, if the touch screen 110 vibrates at an audible frequency of 20 kHz or more, the user may not recognize the noise due to the vibration, and the user may recognize only the information on which the touch of the surface of the touch screen 110 is changed.

The operation principle is the same in the case of vibrating the tactile hand 250 of the tactile presentation device 200 without vibrating the touch screen 110 when the tactile presentation device 200 contacts the touch screen 110. The user holding the presentation device 200 may feel the touch.

In addition, the method of vibrating the tactile needle 250 of the tactile presentation device 200 may vibrate in a direction perpendicular to the surface of the touch screen 110 as shown in FIG. 6A.

When this is demonstrated based on the main body case 210 of the tactile display apparatus 200, it will become an up-down direction.

As such, when the tactile tip 250 of the tactile presentation device 200 vibrates in a direction perpendicular to the surface of the touch screen 110, a frictional force reduction phenomenon occurs between the touch screen 110 and the tactile tip 250.

As a result, a change in friction force occurs between the tactile presentation device 200 and the touch screen 110, and a user holding the tactile presentation device 200 may feel various touches on the touch screen 110 through this. have.

In addition, unlike the above description, as shown in FIG. 6B, the tactile tip 250 of the tactile presentation device 200 may be vibrated in a direction horizontal to the surface of the touch screen 110.

This will be described as the left and right direction when the main body case 210 of the tactile display 200 is described as a reference.

As such, when the tactile needle 250 of the tactile presentation device 200 vibrates in a direction horizontal to the surface of the touch screen 110, a frictional force reduction phenomenon occurs between the touch screen 110 and the tactile needle 250.

As a result, a change in friction force occurs between the tactile presentation device 200 and the touch screen 110, and a user holding the tactile presentation device 200 may feel various touches on the touch screen 110 through this. have.

FIG. 7 is a plan view showing a first operation when the mobile phone 400 is used as the electronic device 100 according to the first embodiment of the present invention. The mobile phone 400 receives information by a user's operation, outputs the operation of the mobile phone 400 through the image display panel 130, and the tactile display device 200 is vibrated by the tactile hand 250. It can provide a feeling of operation in which the touch changes.

As illustrated in FIG. 7, a plurality of icons 410 may be displayed through the image display panel 130. The plurality of icons 410 may have a grid shape and may be displayed on the image display panel 130. In this case, the display controller 150 may divide a part of the touch screen 110 into a virtual tactile display area. have.

The tactile display area 420 is a region formed by partitioning a part of the touch screen 110. The tactile display area among the surfaces of the touch screen 110 in the tactile display area to the user. It can refer to an area that can be transmitted differently from the touch of other areas.

The tactile display area may be set in a different form according to the type of image displayed to receive information by a user's manipulation, such as an icon 410 or a scroll bar 415 displayed on the image display panel 130.

For example, when the icon 410 is displayed on the image display panel 130, the tactile agent display area 420 may be configured to distinguish the area where the icon 410 is displayed from other areas. The position and shape may be set on the touch screen, and on the contrary, as shown in FIG. 7, the touch screen 110 may be set at a portion except for an area where an icon 410 is displayed.

That is, the tactile display area 420 may be formed between the plurality of icons 410. At this time, the display control unit 150 does not provide tactile information to the tactile control unit 230 of the tactile display device 200 when the pressing position is outside the tactile display area 420.

However, when the pressing position of the touch screen 110 is in the tactile display area 420, the display control unit 150 may allow the driving unit 240 to vibrate the tactile finger 250 above 500 Hz. ) Provides tactile information.

Accordingly, when the user's tactile presentation device 200 drags the plurality of icons 410, the user may feel a different touch from a portion where the icon 410 is formed between the plurality of icons 410, and thus the touch screen 110. The surface of can be felt as if partitioned into imaginary regions with different touch.

8 is a plan view illustrating a second operation when the mobile telephone 400 is used as an electronic device according to the first embodiment of the present invention. As illustrated in FIG. 8, the image display panel 130 may display a photo stored in the mobile phone 400, and on one side thereof, a plurality of icons 410 for selecting a photo may be displayed in a length direction. have.

It may be divided into a tactile display area 420 between the plurality of icons 410, and when the pressing position of the touch screen 110 is in the tactile display area 420, the display control unit 150 may include a tactile display device ( By providing tactile information to the tactile control unit 230 of the 200, the tactile control unit 230 applies a driving signal to the driving unit 240, and the tactile needle 250 vibrates above 500 Hz so that the user may touch the surface of the touch screen 110. It is possible to provide a feeling of operation such that the feel of the hand is changed.

9 is a plan view showing a third operation when the mobile phone 400 is used as the electronic device 100 according to the first embodiment of the present invention. As illustrated in FIG. 9, a plurality of icons 410 may be displayed on the image display panel 130, and the tactile display area 420 may have an annular shape along the edge of the icon 410. A part of) can be partitioned.

When the pressing position of the touch screen 110 is in the tactile display area 420, the tactile hand 250 vibrates more than 500 Hz, so that the user may perceive the tactile sense of the boundary of the edge of the icon 410 differently. As a result, the user can visually recognize the icon 410 as well as the icon 410 by the touch.

10 is a view showing a fourth operation when the mobile phone 400 is used as the electronic device 100 according to the first embodiment of the present invention. As illustrated in FIG. 10, the image display panel 130 may display a plurality of icons 410 extending in a horizontal direction in a vertical direction. In this case, the tactile display area 420 may be formed in a direction in which the icon 410 extends horizontally in a portion where the plurality of icons 410 are adjacent to each other.

Accordingly, when the user drags the surface of the touch screen 110 up and down, the user may feel a different sensation in the area where the icon 410 is displayed and the area between the icon 410, and thus the image display panel 130. The operation feeling having a sense of unity with the displayed image can be provided.

11 is a diagram illustrating a fifth operation when the mobile phone 400 is used as the electronic device 100 according to the first embodiment of the present invention. As illustrated in FIG. 11, when playing a sound source file stored in the mobile phone 400, the image display panel 130 may display a scroll bar 415 for adjusting a volume horizontally.

In this case, the tactile display area 420 may be discontinuously formed in the longitudinal direction in which the scroll bar 415 extends. Each tactile display area 420 may be spaced apart from each other along the scroll bar 415 to partition a portion of the touch screen 110.

Therefore, when the user drags the scroll bar 415 to adjust the volume, the user's tactile display device 200 may feel a different sensation while moving along the scroll bar 415, so that the tactile feel may be changed. do.

12 is a diagram illustrating a sixth operation when the mobile phone 400 is used as the electronic device 100 according to the first embodiment of the present invention. As illustrated in FIG. 12, when storing a sound source file stored in the mobile phone 400, a scroll bar 415 having an annular shape may be displayed on the image display panel 130.

In this case, as described above, the tactile display area 420 is discontinuously formed along the circular direction in which the scroll bar 415 extends on the touch screen 110 on which the scroll bar 415 is displayed, thereby making the user feel. While the presenting device 200 moves along the annular scroll bar 415, the user may feel a different touch, so that the user can feel the changing operation.

FIG. 13 is a view illustrating a seventh operation when the mobile phone 400 is used as the electronic device 100 according to the first embodiment of the present invention. As illustrated in FIG. 13, the piano keyboard may be displayed through the image display panel 130 by executing a game function of the mobile phone 400. The keyboard may be an icon 410 capable of receiving information by a user's manipulation, and the tactile display area 420 may be formed between the piano keys.

Therefore, the user may feel a different touch while touching the touch screen 110 between the keys, and may feel an operation feeling in which the touch of the surface of the touch screen 110 is changed.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention as defined in the appended claims. It will be understood that the invention may be varied and varied without departing from the scope of the invention.

1 is a perspective view showing a tactile interface system according to a first embodiment of the present invention.

2 is an internal block diagram of the tactile interface system of FIG.

3 is an internal projection of the tactile presentation device of FIG.

4 and 5 are views showing the operation principle of the tactile display device according to the first embodiment of the present invention.

6A and 6B are exemplary views for explaining a driving method of a tactile display device according to a first embodiment of the present invention.

7 is a plan view showing a first operation of a cellular phone to which a tactile interface system according to a first embodiment of the present invention is applied;

8 is a plan view showing a second operation of a cellular phone to which a tactile interface system according to a first embodiment of the present invention is applied;

9 is a plan view showing a third operation of a cellular phone to which a tactile interface system according to a first embodiment of the present invention is applied;

10 is a plan view showing a fourth operation of a cellular phone to which a tactile interface system according to a first embodiment of the present invention is applied;

Fig. 11 is a plan view showing a fifth operation of a cellular phone to which a tactile interface system according to a first embodiment of the present invention is applied.

12 is a plan view showing a sixth operation of a mobile phone to which a tactile interface system according to a first embodiment of the present invention is applied;

Fig. 13 is a view showing the seventh operation of the cellular phone to which the tactile interface system according to the first embodiment of the present invention is applied.

<Description of the symbols for the main parts of the drawings>

110: touch screen 130: image display panel

150: display control unit 170: memory

190: communication unit 210: body case

220: communication unit 230: tactile control

240: drive unit 250: tactile

260: power supply

Claims (15)

A pen-shaped body case having an opening on one side; The tip accommodated in the main body case, the tip provided through the opening of the main body case protrudes to the outside, and the tip vibrates by an external driving force while the tip is in contact with the touch screen, thereby holding the main body case. A tactile hand that generates a tactile feeling to the user; A communication unit accommodated in the main body case and receiving tactile information from an electronic device having the touch screen when the tip contacts the touch screen; A tactile control unit accommodated in the main body case and generating a tactile driving signal according to tactile information received by the communication unit; And And a driving unit accommodated in the main body case and configured to vibrate the tactile hand provided according to the tactile driving signal generated by the tactile control unit. In claim 1, The stylus is, A flange-shaped step portion accommodated in the main body case; And It is formed to protrude in the shape of a rod toward the inside of the main body case on one side of the flange-shaped step, and provided with a rear projection receiving the driving force from the drive, The tip is formed to protrude to the outside through the opening of the main body case on one side of the flange-shaped step portion, and vibrates the main body case when the driving force is transmitted to the rear protrusion by the driving unit in contact with the touch screen. A tactile presentation device characterized in that a tactile user is generated. In claim 2, And the tip of the tactile hand vibrates vertically with respect to the touch screen surface. In claim 2, And the tip of the tactile hand vibrates in a horizontal direction with respect to the touch screen surface. The method according to any one of claims 1 to 4, The driving unit includes: An ultrasonic transducer, which is accommodated in a main body case and composed of a piezoelectric material and an electrode, in which displacement is generated according to a driving signal of an ultrasonic region; A moving shaft connected to the ultrasonic transducer housed in the main body case and interlocked with the displacement of the ultrasonic transducer; And A mover moving along the moving shaft and providing a driving force to the stylus, And the controller controls the ultrasonic transducer by using driving signals of different ultrasonic regions corresponding to the tactile information. The method of claim 5, The operating frequency of the transducer is a tactile display device, characterized in that more than 1kHz. The method of claim 5, The operating frequency of the drive unit is a tactile display device, characterized in that more than the audible frequency. An electronic device having a touch screen to detect contact coordinates of a contact area when the touch screen is touched and to transmit tactile information corresponding to the detected contact coordinates; And It has a pen-shaped main body case having an opening on one side, the tip is received in the main body case and provided with a stylus protruding outwardly, the tip is in contact with the touch screen And a tactile display device for vibrating the tactile hand provided to generate a corresponding sensation according to tactile information of the contact portion of the touch screen transmitted from the electronic device in one state. The method according to claim 8, The electronic device, A memory storing tactile information of an image displayed on the touch screen; A display controller which receives the touch coordinates from the touch screen and reads out the tactile information displayed on the touch coordinates from a memory and outputs the touch information; And A first communication unit for transmitting the output of the display control unit to the outside, And the touch screen detects and outputs contact coordinates when the tactile hand of the tactile display device touches a surface. 10. The method of claim 9, A part of the touch screen is divided into a virtual tactile display area, And the display control unit outputs tactile information so that the tactile display device vibrates the tactile hand at a different frequency depending on whether the touch position of the touch screen is within the tactile display area. The method according to claim 8, The tactile display device, A second communication unit accommodated in the main body case and receiving tactile information from an electronic device having the touch screen when the tip contacts the touch screen; A tactile control unit accommodated in the main body case and generating a tactile driving signal according to tactile information received by the second communication unit; And It is accommodated in the main body case, and includes a drive unit for vibrating the stylus provided in accordance with the stylus drive signal generated by the tactile control, The tip is accommodated in the main body case, the tip provided through the opening of the main body case protrudes outward, the tip vibrates by the drive unit in the state that the tip is in contact with the touch screen and accordingly A tactile interface system, characterized by generating a touch to a user holding the main body case. In claim 11, The stylus is, A flange-shaped step portion accommodated in the main body case; And It is formed to protrude in the shape of a rod toward the inside of the main body case on one side of the flange-shaped step, and provided with a rear projection receiving the driving force from the drive, The tip is formed to protrude to the outside through the opening of the main body case on one side of the flange-shaped step, and vibrates when the driving force is transmitted to the rear protrusion by the driving unit in contact with the touch screen to grip the main body case A tactile interface system, characterized by generating a tactile feeling to a user. In claim 11, And wherein the tip of the tactile hand vibrates in a direction perpendicular to the touch screen surface. In claim 11, And the tip of the hand vibrates horizontally with respect to the touch screen surface. The method according to any one of claims 11 to 14, The driving unit includes: An ultrasonic transducer, which is accommodated in a main body case and composed of a piezoelectric material and an electrode, in which displacement is generated according to a driving signal of an ultrasonic region; A moving shaft connected to the ultrasonic transducer housed in the main body case and interlocked with the displacement of the ultrasonic transducer; And A mover moving along the moving shaft and providing a driving force to the stylus, And the controller controls the ultrasonic transducer using driving signals of different ultrasonic regions corresponding to the tactile information.

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