KR20100050089A - System and method for providing feedback in response to user's touch - Google Patents

Abstract

PURPOSE: A system and a method for providing a feedback in response to users touch are provided to intuitively operate a mobile terminal by using a touch pad. CONSTITUTION: A detector(11) includes plural sensor units(111) and a capacitive measurement units(112). The capacitive measurement unit detects a touch point through the capacitance of the sensor unit. A lifting unit(12) lifts the touch point, and includes plural magnetic flux generator(121), a power supply unit(122) and plural magnet units(123). Plural magnet units generate a repulsive force through the reaction with the magnetic force.

Description

System and method for providing feedback in response to user's touch}

The present invention relates to a user touch feedback system and method.

Recently, mobile terminals have been developed as multimedia media to implement various functions. Therefore, mobile terminals capable of providing a multimedia function or a mobile terminal combined with a portable multimedia player (PMP) have been researched and developed. Such mobile terminals have a built-in multimedia processor capable of performing multimedia functions.

Meanwhile, a mobile terminal providing a multimedia function includes a touch pad that can sense a touch input signal such as a finger or a pen for an efficient interface of a user, so that the user can use the multimedia function more conveniently.

It is an object of the present invention to provide a user touch feedback system that provides a feedback feeling of pressing a button when a user touches a touch pad.

User touch feedback system according to an embodiment of the present invention includes a detection unit for detecting a touch point of the user; A bulge for raising the touch point; And a restoring unit for restoring the raised touch point to the front of the bump when the user stops the touch.

A user touch feedback method according to an embodiment of the present invention comprises the steps of detecting a touch point of the user; Raising the touch point; And when the user stops touching, restoring the raised touch point to before the elevation.

The user touch feedback system and method may be applied to and used in a mobile terminal.

According to the present invention, the user can operate the mobile terminal more intuitively using the touch pad.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a structural block diagram of a user touch feedback system according to an embodiment of the present invention.

As shown in FIG. 1, the user touch feedback system 1 according to an exemplary embodiment of the present invention may include a detector 11 that detects a touch point of a user, a ridge 12 that protrudes the touch point, and a user Restoration unit 13 for restoring the raised touch point to the position before the protruding when the touch is stopped, and signal generating unit 14 for generating a press signal for informing the pressurization of the raised touch point when pressing the raised touch point. It includes.

The detector 11 detects a user's touch point. The detector 11 may further detect a user's gesture such as dragging, flicking, and tap in addition to the user's touch. The detector 11 may be provided in a touch pad of a mobile terminal such as a portable terminal, a portable computer, or a PMP, so that a user may input data or manipulate the mobile terminal.

The detector 11 may detect a user's touch point using a touch screen technology such as a capacitive type, a resistive film type, a surface ultrasonic type, or an infrared type.

According to an embodiment of the present invention, the detection unit 11 may use the capacitive method of the above-described touch screen technology, in which case the detection unit 11 has a plurality of capacitance changes depending on whether the user touches The sensor unit 111 may include a capacitance measuring unit 112 that measures the capacitance of the sensor unit 111 and detects a touch point of the user.

The sensor unit 111 is made of a material that increases in capacitance when a conductive object such as a finger approaches. The sensor unit 111 may be an ITO panel having translucency when mounted on a screen of a mobile terminal and used as a touch screen. According to an embodiment, the sensor unit 111 may be a conductor panel that does not have a transmissive light when used as a separate touch panel instead of a screen.

The capacitance measuring unit 112 measures the capacitance of the sensor unit 111. The capacitance measuring unit 112 may be connected to the plurality of sensor units 111 to measure the capacitance of each sensor unit 111 in real time to detect an approach of a conductive object such as a user's touch.

For example, when a user touches a specific part of the user touch feedback system 1 of the present invention with a finger, the capacitance of the sensor unit 111 disposed in the corresponding part is increased, and the increased capacitance is increased. The capacitance measuring unit 112 may measure and detect a touch point of the user.

According to an embodiment, the detection unit 11 may detect the position of the sensor unit 111 touched by the user by grasping the coordinates of the sensor unit 111 on the user touch feedback system 1.

According to an exemplary embodiment, the detector 11 may detect a vector value of the displacement by measuring the displacement caused by the movement of the user's touch point.

The above-described embodiment of the detector 11 is not limited to the capacitive method and may be implemented by another touch screen technology, and thus the detector 11 may grasp the touch point of the user.

The ridge 12 raises the touch point of the user. According to one embodiment of the present invention, the ridge 12 may raise the touch point by generating a repulsive force by the electromagnetic force.

In this case, the ridge 12 includes a plurality of magnetic flux generating units 121 for generating a magnetic flux by receiving a current, a power supply unit 122 for supplying the current to the magnetic flux generating unit adjacent to the touch point, and the magnetic flux; It may include a plurality of magnet portion 123 to interact to generate a repulsive force.

The magnetic flux generating unit 121 generates magnetic flux to generate repulsive force for driving the ridge 12. According to an embodiment of the present invention, the magnetic flux generating unit 121 may receive current from the power supply unit 122 to generate magnetic flux, but may generate magnetic flux without power supply, for example, a permanent magnet. To generate magnetic flux.

When the magnetic flux generating unit 121 generates a magnetic flux by receiving a current from the outside, the magnetic flux generating unit 121 may be a coil formed by winding a plurality of conductive wires. In this case, the power supply 122 is connected to both ends of the coil to supply a current to the coil, the coil generates a magnetic flux.

The magnet unit 123 interacts with the magnetic flux generated by the magnetic flux generating unit 121 to generate repulsive force. According to an embodiment of the present invention, the magnet part 123 may be a permanent magnet. According to an embodiment, the magnet part 123 may be formed of an electromagnet. In this case, the magnetic flux generating part 121 may be formed of a permanent magnet to control generation of repulsive force.

2 and 3 are a plan view and a partial cross-sectional view of a user touch feedback system according to an embodiment of the present invention.

2 and 3, according to one embodiment of the present invention, the magnet part 123 and the sensor part 111 may be alternately arranged. The magnet part 123 and the sensor part 111 may be disposed on a touch pad provided in the mobile terminal, and may be used as a touch screen when the magnet part 123 and the sensor part 111 have light transmissivity. It may be.

Referring to FIG. 3, in the user touch feedback system 1 according to an exemplary embodiment, the plurality of sensor parts 111 and the plurality of magnet parts 123 may be alternately disposed on the substrate 15. Can be. According to an embodiment, the ratios of the plurality of sensor units 111 and the plurality of magnet units 123 may be changed.

The plurality of magnetic flux generating units 121 may be disposed below the plurality of magnet units 123. That is, when the repulsive force is generated by the magnet unit 123 disposed above the magnetic flux generating unit 121, the magnet unit 123 may be raised.

When the magnetic flux generating unit 121 is a coil, the magnetic flux generating unit 121 may be formed as a PCB coil on the substrate 15. The plurality of magnet parts 123 are not fixed to the substrate 15 and are disposed to match the direction of the magnetic flux generated by the magnetic flux generating unit 121.

The plurality of sensor parts 111 are disposed adjacent to the magnet part 123 to detect the approach of a conductive object such as a user's finger.

A resin material may be applied as the restoration part 13 on the plurality of magnet parts 123 and the plurality of sensor parts 111. When the magnet part 123 is raised, the resin material may restore the magnet part 123 to a position before being raised.

According to an embodiment, the restoring unit 13 may be another non-conductive material having elastic force capable of restoring the magnet unit 123 to a position before being raised in addition to the resin material.

Hereinafter, the operation of the user touch feedback system 1 of the present invention will be described with reference to FIGS. 4 and 5.

4 and 5 are cross-sectional views illustrating an operation of a user touch feedback system according to an exemplary embodiment of the present invention.

Hereinafter, operations of the user touch feedback system 1 according to the embodiment of the present invention shown in FIGS. 4 and 5 will be described with reference to FIG. 6. The description will be made in conjunction.

As shown in FIG. 4, when a user touches a point of the user touch feedback system 1, the capacitance of the sensor unit 111 adjacent to the touch point increases.

The capacitance measuring unit 112 connected to the sensor unit 111 measures the capacitance of the sensor unit 111 (step S61) to determine a change in capacitance and based on the identified change in capacitance. The touch point of the user can be detected (step S62).

The power supply 122 may selectively supply a current to the magnetic flux generating unit 121 adjacent to the touch point based on the detected coordinates of the touch point (step S63).

The magnetic flux generating unit 121 adjacent to the touch point receives a current to generate magnetic flux (step S64), and the generated magnetic flux interacts with the magnet unit 123 disposed on the magnetic flux generating unit 121 to repulse a force. Can be generated (step S65).

The polarity of the magnet 123 and the direction of the magnetic flux generated by the magnetic flux generating unit 121 are arranged to generate repulsive force.

The magnet part 123 is raised using the generated repulsive force (step S66), and as a result, a point where the magnet part 123 is disposed, that is, a touch point or a point adjacent to the touch point is raised to a predetermined height. Can be. The raised height may be adjusted by the magnetic force of the magnet 123 or the density of the generated magnetic flux.

As shown in FIG. 5, according to another embodiment of the present invention, the user may press the raised touch point (step S67).

When the raised touch point is pressed, the signal generator 14 generates a press signal indicating the pressurization of the raised touch point (step S68). According to an embodiment of the present invention, the signal generator 14 may detect whether the touch point is pressed by changing the capacitance of the sensor unit 111 disposed adjacent to the pressed touch point. have.

For example, when the user presses the raised touch point, the adjacent sensor unit 111 may increase capacitance than before pressing. The capacitance measuring unit 112 may detect whether the raised touch point is pressed by detecting an increase in the capacitance.

Therefore, the signal generator 14 receives the change information of the capacitance of the sensor unit 111 adjacent to the touch point from the capacitance measuring unit 112 to indicate whether the raised touch point is pressed. Can be generated.

According to another embodiment of the present invention, even if the raised touch point is not pressed by the user, when the user's touch is stopped or a conductive object such as a finger moves to another point of the user touch feedback system 1, The detection unit 11 detects the user's touch removal, and the raised touch point may be restored to the position before the elevation (step S69).

According to an exemplary embodiment, the touch removal may be detected by the capacitance measuring unit 112 detecting a decrease in the capacitance of the sensor unit 111 inversely to the above-described touch detection.

In this case, the power supply unit 122 may cut off the current supplied to the magnetic flux generating unit 121, and as a result, the repulsive force for raising the magnet unit 123 is removed. As a result, the raised magnet portion 123 is restored to its original position.

In the above-described case, gravity was used as a restoring force, but according to the embodiment, the raised magnet part 123 may be restored by the restoring unit 13 restoring the position before the elevation, and the restoring unit 13 May be a resin material applied to the plurality of magnet parts 123. In some embodiments, the restoring unit 13 may be an insulating material having an elastic force.

According to another exemplary embodiment of the present invention, the magnetic flux generating unit 121 may be disposed above the magnet unit 123, unlike FIG. 3 to FIG. 5. In this case, the repulsive force generated by the interaction between the magnetic flux generated by the magnetic flux generating unit 121 and the magnet unit 123 disposed on the substrate 15 may raise the magnetic flux generating unit 121.

The power supply unit 122 supplies power to the magnetic flux generating unit 121, but in some embodiments, when the magnet unit 123 is an electromagnet, the power supply unit 122 may also be designed to supply power to the magnet unit 123. have.

According to another embodiment of the present invention, the user touch feedback system 1 may be recessed without raising the magnet part 123. In this case, unlike the FIGS. 3 to 5, the magnet part 123 is not directly disposed on the substrate 15, and the restoration part 13 is disposed between the magnet part 123 and the substrate 15. It may be applied to a predetermined thickness and disposed on the applied restoration part 13.

Unlike the above-described embodiment of the present invention, in this case, the polarity of the magnet part 123 and the direction of the magnetic flux generated by the magnetic flux generating unit 121 are arranged to generate attraction force rather than repulsive force.

Even when the magnet 123 is recessed, the process of generating a human attraction by detecting a touch point of the user and supplying a current to the magnetic flux generating unit 121 adjacent to the touch point is the same as the above-described embodiment.

According to an embodiment, the positions of the magnet part 123 and the magnetic flux generating part 121 are changed so that the magnetic flux generating part 121 is disposed above the magnet part 123, and the magnetic flux generating part 121 is disposed. May be recessed.

The user touch feedback system 1 of the present invention is mounted as a touch pad or a touch screen of an electronic product such as a mobile terminal such as a portable terminal, a PMP, a PDA, a notebook computer, or the like, to provide a user with a feedback like a real button. can do.

The user may recognize a touch point raised by the ridge 12 as a button and press the touch point to feel the keypad.

For example, when the user touch feedback system 1 of the present invention is used as a touch pad of a notebook computer, the user may move the mouse pointer on the display by touching or dragging the touch feedback system 1 with a finger. .

When the mouse pointer is located on a folder icon, file or function button that can be clicked or executed, the user touch feedback system 1 detects the user's touch point and raises the touch point to give the user a button-like feedback Can be provided.

When the user senses a raised touch point with a finger and wants to select a corresponding file or folder where the mouse pointer is located, the user may press the raised touch point.

By the pressurization of the user, the signal generator 14 of the user touch feedback system 1 generates a pressurization signal and the notebook computer may select a corresponding file or folder based on the pressurization signal.

According to an embodiment, when the user clicks the raised touch point twice consecutively, the user may set to execute the corresponding file or folder as a double click.

7 is a structural block diagram of a mobile terminal having a user touch feedback system 1 of the present invention.

The mobile terminal can be implemented in various forms. For example, the mobile terminal described herein may be a mobile phone, a smart phone, a notebook computer, a digital broadcasting terminal, a personal digital assistant (PDA), a portable multimedia player (PMP), navigation, or the like. have.

The illustrated mobile terminal 100 includes a wireless communication unit 110, an A / V input unit 120, a user input unit 130, a sensing unit 140, an output unit 150, and a user touch feedback system ( 1), the memory 160, the interface unit 170, the controller 180, and the power supply unit 190 may be included. 7 illustrates a mobile terminal having various components. However, not all illustrated components are required. The mobile terminal may be implemented by more components than the illustrated components, or the mobile terminal may be implemented by fewer components.

Hereinafter, the components will be described in turn.

The wireless communication unit 110 may include one or more components for wireless communication between the mobile terminal 100 and the wireless communication system or wireless communication between the mobile terminal 100 and a network in which the mobile terminal 100 is located. For example, the wireless communication unit 110 may include a broadcast receiving module 111, a mobile communication module 112, a wireless Internet module 113, a short range communication module 114, and a location information module 115 .

The broadcast receiving module 111 receives a broadcast signal and / or broadcast related information from an external broadcast management server through a broadcast channel. The broadcast channel may include a satellite channel and a terrestrial channel. The broadcast management server may mean a server that generates and transmits a broadcast signal and / or broadcast related information or a server that receives a previously generated broadcast signal and / or broadcast related information and transmits the same to a terminal. The broadcast related information may mean information related to a broadcast channel, a broadcast program, or a broadcast service provider. The broadcast signal may include not only a TV broadcast signal, a radio broadcast signal, and a data broadcast signal, but also a broadcast signal having a data broadcast signal combined with a TV broadcast signal or a radio broadcast signal.

Meanwhile, the broadcast related information may be provided through a mobile communication network, and in this case, may be received by the mobile communication module 112.

The broadcast related information may exist in various forms. For example, it may exist in the form of Electronic Program Guide (EPG) of Digital Multimedia Broadcasting (DMB) or Electronic Service Guide (ESG) of Digital Video Broadcast-Handheld (DVB-H).

The broadcast receiving module 111 receives broadcast signals using various broadcasting systems, and in particular, digital multimedia broadcasting-terrestrial (DMB-T), digital multimedia broadcasting-satellite (DMB-S), and media forward link (MediaFLO). Digital broadcast signals can be received using digital broadcasting systems such as only), digital video broadcast-handheld (DVB-H), integrated services digital broadcast-terrestrial (ISDB-T), and the like. Of course, the broadcast receiving module 111 is configured to be suitable for all broadcasting systems that provide broadcasting signals as well as the digital broadcasting system described above.

The broadcast signal and / or broadcast related information received through the broadcast receiving module 111 may be stored in the memory 160.

In addition, the mobile communication module 112 transmits and receives a radio signal with at least one of a base station, an external terminal, and a server on a mobile communication network. The wireless signal may include various types of data according to transmission and reception of a voice call signal, a video call call signal, or a text / multimedia message.

The wireless Internet module 113 is a module for wireless Internet access, and the wireless Internet module 113 can be built in or externally.

The short range communication module 114 refers to a module for short range communication. As a short range communication technology, Bluetooth, Radio Frequency Identification (RFID), Infrared Data Association (IrDA), Ultra Wideband (UWB), ZigBee, and the like may be used.

In addition, the location information module 115 is a module for checking or obtaining the location of the mobile terminal. One example is the Global Position System (GPS) module. The GPS module receives location information from a plurality of satellites. Here, the location information may include coordinate information represented by latitude and longitude. For example, the GPS module can measure the exact time and distance from three or more satellites and accurately calculate the current position by triangulating three different distances. A method of obtaining distance and time information from three satellites and correcting the error with one satellite may be used. In particular, the GPS module can obtain not only the location of latitude, longitude, and altitude but also accurate time together with three-dimensional speed information from the location information received from the satellite.

Meanwhile, the A / V input unit 120 is for inputting an audio signal or a video signal, and may include a camera 121 and a microphone 122. The camera 121 processes an image frame such as a still image or a moving image obtained by the image sensor in the video communication mode or the photographing mode. The processed image frame may be displayed on the display unit 151.

The image frame processed by the camera 121 may be stored in the memory 160 or transmitted to the outside through the wireless communication unit 110. Two or more cameras 121 may be provided according to the configuration aspect of the terminal.

The microphone 122 receives an external sound signal by a microphone in a call mode, a recording mode, a voice recognition mode, etc., and processes the external sound signal into electrical voice data. The processed voice data may be converted into a form transmittable to the mobile communication base station through the mobile communication module 112 and output in the call mode. The microphone 122 may implement various noise removing algorithms for removing noise generated in the process of receiving an external sound signal.

The user input unit 130 generates input data for the user to control the operation of the terminal. The user input unit 130 may include a key pad dome switch, a touch pad (static pressure / capacitance), a jog wheel, a jog switch, and the like. In particular, when the touch pad has a mutual layer structure with the display unit 151 described later, this may be referred to as a touch screen.

According to an embodiment, the touch feedback system 1 according to an embodiment of the present invention may be included in the user input unit 130.

The sensing unit 140 detects a current state of the mobile terminal 100 such as an open / closed state of the mobile terminal 100, a location of the mobile terminal 100, presence or absence of a user contact, orientation of the mobile terminal, acceleration / deceleration of the mobile terminal, and the like. To generate a sensing signal for controlling the operation of the mobile terminal 100. For example, when the mobile terminal 100 is in the form of a slide phone, it may sense whether the slide phone is opened or closed. In addition, it is responsible for sensing functions related to whether the power supply unit 190 is supplied with power or whether the interface unit 170 is coupled to an external device.

The interface unit 170 serves as an interface with all external devices connected to the mobile terminal 100. For example, wired / wireless headset ports, external charger ports, wired / wireless data ports, memory card ports, ports for connecting devices with identification modules, audio input / output (I / O) ports, Video I / O (Input / Output) port, earphone port, etc. may be included.

Here, the identification module is a chip that stores various types of information for authenticating the use authority of the mobile terminal 100, and includes a user identification module (UIM) and a subscriber identify module (SIM). ), A Universal Subscriber Identity Module (“USIM”), and the like. In addition, the device equipped with the identification module (hereinafter referred to as 'identification device'), may be manufactured in the form of a smart card (smart card). Therefore, the identification device may be connected to the terminal 100 through a port. The interface unit 170 receives data from an external device or receives power and transmits the data to each component inside the mobile terminal 100 or transmits the data inside the mobile terminal 100 to an external device.

The output unit 150 is for outputting an audio signal, a video signal, or an alarm signal. The output unit 150 may include a display unit 151, a sound output module 152, an alarm unit 153, and the like.

The display unit 151 displays and outputs information processed by the mobile terminal 100. For example, when the mobile terminal is in a call mode, a user interface (UI) or a graphic user interface (GUI) related to a call is displayed. When the mobile terminal 100 is in a video call mode or a photographing mode, the mobile terminal 100 displays a photographed and / or received image, a UI, or a GUI.

Meanwhile, as described above, when the display unit 13 and the touch pad form a mutual layer structure to form a touch screen, the display unit 151 may be used as an input device in addition to the output device. The display unit 151 may be a liquid crystal display, a thin film transistor-liquid crystal display, an organic light-emitting diode, a flexible display, or a three-dimensional display. 3D display). In addition, two or more display units 151 may exist according to an implementation form of the mobile terminal 100. For example, an external display unit (not shown) and an internal display unit (not shown) may be simultaneously provided in the mobile terminal 100.

The sound output module 152 outputs audio data received from the wireless communication unit 110 or stored in the memory 160 in a call signal reception, a call mode or a recording mode, a voice recognition mode, a broadcast reception mode, and the like. In addition, the sound output module 152 outputs a sound signal related to a function (eg, a call signal reception sound, a message reception sound, etc.) performed in the mobile terminal 100. The sound output module 152 may include a speaker, a buzzer, and the like.

The alarm unit 153 outputs a signal for notifying occurrence of an event of the mobile terminal 100. Examples of events occurring in the mobile terminal include call signal reception, message reception, and key signal input. The alarm unit 153 may output a signal for notifying occurrence of an event in a form other than an audio signal or a video signal. For example, the signal may be output in the form of vibration. When a call signal is received or a message is received, the alarm unit 153 may output a vibration to inform this. Alternatively, when a key signal is input, the alarm unit 153 may output a vibration in response to the key signal input. Through the vibration output as described above, the user can recognize the occurrence of the event. Of course, the signal for notification of event occurrence may be output through the display unit 151 or the voice output module 152.

The user touch feedback system 1 raises a corresponding touch point with respect to a gesture such as a user's touch, drag, flicking, or tapping through a touch pad or a touch screen to give the user a button feeling feedback. Can provide.

The memory 160 may store a program for processing and controlling the controller 180 and may provide a function for temporarily storing input / output data (for example, a phone book, a message, a still image, a video, etc.). It can also be done.

The memory 160 may be a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (for example, SD or XD memory), RAM Random Access Memory (RAM) Static Random Access Memory (SRAM), Read-Only Memory (ROM), Electrically Erasable Programmable Read-Only Memory (EEPROM), Programmable Read-Only Memory (PROM) magnetic memory, It may include at least one type of storage medium of the optical disk. In addition, the mobile terminal 100 may operate a web storage that performs a storage function of the memory 150 on the Internet.

The controller 180 typically controls the overall operation of the mobile terminal. For example, perform related control and processing for voice calls, data communications, video calls, and the like. In addition, the control unit 180 may include a multimedia module 181 for multimedia playback. The multimedia module 181 may be implemented in the controller 180 or may be implemented separately from the controller 180.

The power supply unit 190 receives an external power source and an internal power source under the control of the controller 180 to supply power for operation of each component.

Although the present invention has been described through the above embodiments, the above embodiments are merely intended to illustrate the spirit of the present invention, and the present invention is not limited thereto. Those skilled in the art will appreciate that various modifications may be made to the embodiments described above. The scope of the invention is defined only by the interpretation of the appended claims.

1 is a structural block diagram of a user touch feedback system according to an embodiment of the present invention.

2 and 3 are a plan view and a partial cross-sectional view of a user touch feedback system according to an embodiment of the present invention.

4 and 5 are cross-sectional views illustrating an operation of a user touch feedback system according to an exemplary embodiment of the present invention.

6 is a flowchart illustrating a user touch feedback method according to an embodiment of the present invention.

7 is a structural block diagram of a mobile terminal having a user touch feedback system 1 of the present invention.

Claims (14)

A detector detecting a touch point of a user; A bulge for raising the touch point; And A restoring unit for restoring the raised touch points to a previous position when the user stops the touch; User touch feedback system comprising a. The method of claim 1, wherein the detection unit A plurality of sensor units whose capacitance changes depending on whether a user touches them; And A capacitance measuring unit measuring a capacitance of the sensor unit and detecting a touch point of a user; User touch feedback system comprising a. 3. The ridge of claim 2, wherein the ridge is A plurality of magnetic flux generating units generating magnetic flux; And A plurality of magnets interacting with the magnetic flux to generate repulsive force; The user touch feedback system of claim 1, wherein the raised part raises the magnet by using the repulsive force. The method of claim 3, wherein And the magnet part is alternately arranged with the sensor part. The method of claim 1, And the restoration unit is a resin material applied on the ridge. The method of claim 1, And a signal generator configured to generate a pressing signal informing of the pressing of the raised touch point when pressing the raised touch point. The method of claim 6, And the signal generator detects whether the touch point is pressed as a change in capacitance of the sensor unit adjacent to the pressed touch point. Detecting a touch point of the user; Raising the touch point; And If the user stops touching, restoring the raised touch point to before the elevation; User touch feedback method comprising a. The method of claim 8, wherein the detecting of the touch point is performed. Measuring the capacitance of the plurality of sensor units; And Detecting the sensor unit in which the capacitance is changed; User touch feedback method comprising a. The method of claim 8, wherein the step of raising the touch point Generating a magnetic flux by the magnetic flux generating unit; A magnet part interacting with the magnetic flux to generate repulsive force; And Raising the magnet by using the repulsive force; User touch feedback method comprising a. The method of claim 8, And when pressing the raised touch point, generating a press signal informing of the pressing of the raised touch point. The method of claim 11, wherein the pressing signal generating step Detecting a change in capacitance of the sensor unit adjacent to the pressed touch point. A mobile terminal equipped with the system according to any one of claims 1 to 7. A mobile terminal performing the method of any one of claims 8 to 12.

Images