KR100718987B1 - Input device for electronic apparatus - Google Patents

Abstract

An input device of an electronic device for detecting contact information and pressure information of a human body is disclosed. The input device of the electronic device is formed on a button part partially exposed to the outside of the electronic device, an electrode tip inserted into the button part to be exposed to the upper surface of the button part, a lower part of the button part, and detects pressure information provided by the pressing of the button part. Mechanical switch unit for transmitting to the outside, through the inside of the mechanical switch unit, electrically connecting the electrode tip and the electrode pattern, the connection electrode and the mechanical for transmitting the contact information of the human body detected by the electrode tip to the outside A circuit board is formed below the switch unit and includes an electrode pattern electrically connected to the mechanical switch unit or the connection electrode. The circuit board transfers the contact information and the pressure information to the outside. Therefore, since the mechanical pressure information and the electrical pressure information can be sensed using one circuit board, the number of parts can be reduced, thereby making the substrate thin.

Human body contact information, sensors, switches, mechanical switches, circuit boards, electronics

Description

Input device of electronic device {INPUT DEVICE FOR ELECTRONIC APPARATUS}

1 is a view showing a mechanical switch structure of the prior art.

2 is an exploded perspective view illustrating an input device of an electronic device according to a first embodiment of the present invention.

3 is a cross-sectional view illustrating an input device of the electronic device of FIG. 2.

4 and 5 are cross-sectional views illustrating an operation process of an input device of an electronic device according to a first embodiment of the present invention.

6 is a control flowchart illustrating a process of controlling an input device of an electronic device according to a first embodiment of the present invention.

7 is a perspective view illustrating an input device of an electronic device according to a second embodiment of the present invention.

8 is an exploded perspective view illustrating an input device of an electronic device according to a third embodiment of the present invention.

9 is a cross-sectional view for describing an input device of the electronic device of FIG. 8.

10 is a partial cross-sectional view for describing an input device of an electronic device according to a third embodiment of the present invention.

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

210: button portion 220: electrode tip

230: mechanical switch 240: connection electrode

250: circuit board 260: reinforcing layer

The present invention relates to an input device of an electronic device, and more particularly, to an input device of an electronic device for sensing contact information and pressure information of a human body and a control method thereof.

Recently, electronic devices having many functions have been used, and in particular, electronic devices in which many functions are fused with the development of information and communication technology have become popular. Therefore, electronic devices with various multimedia functions have emerged, and the necessity of a new user interface is required according to the addition of various functions.

In the present specification, the electronic device is a portable electronic device such as a PDA (Personal Digital Assistant), a smart phone, a handheld PC, a mobile phone, an MP3 player, and the like. It can be used to include.

In particular, the portable electric and electronic device has to reduce the size of the related parts such as the display and the keypad for the light weight of the electronic device and the convenience of portability, thus providing a user interface for the user to use more conveniently. This is essential.

As a user interface used in the electronic apparatus of the prior art, a mechanical switch (for example, a keypad type) is mainly used. The mechanical switch structure and operation process will be described with reference to FIG.

As shown in Fig. 1, a mechanical switch of the prior art is largely composed of a key button 101, a silicon rubber 102, a dome switch 103, a PCB 104, and the like. Such mechanical switches are widely used mainly in electronic devices including mobile communication terminals.

The key button 101 is configured to allow a user to input a user by placing a part of the human body, for example, a finger. In this case, in order for a user to input a user to the device, pressure is applied to the key button 101 by putting a finger on the key button 101 and pressing the finger.

The silicon rubber 102 connects the key button 101 and the dome switch 103 and transmits a user input to the dome switch unit. The dome switch 103 receives the user's input and contacts the PCB to transmit the user's input to the outside. The PCB (Printed Circuit Board, 104) receives the user's input from the dome switch unit and transmits it to the control unit so that the device is controlled.

That is, when the user applies pressure to the key button 101, the portion of the silicon portion 102 that is in contact with the dome portion 105 of the dome switch 103 receives pressure to open the dome portion 105 of the dome switch. When pressed, the dome portion 105 is in contact with the PCB so that the user's input can be transmitted to the control unit.

Therefore, the mechanical switch used as a conventional interface is pressed by the method of pressing the key button 101 by using the user's body, at this time, it is possible to enter the key inside. This mechanical switch system is easy for the user to operate since the pressed area has a definite pointing function.

However, in the mechanical switch of the prior art, since the user must apply pressure to the key button part every time for switching, it is cumbersome for the input process in the case of requiring continuous and continuous switching instead of one-time. For example, when implementing a navigation function or a scroll function that is widely used today, it is inconvenient to press a switch continuously.

In addition, the change of GUI environment is accelerating with the addition of more complicated functions, and the demand for new interface devices to cope with this is increasing. There are many limitations in providing.

Accordingly, there is an increasing need for a new electronic device control device capable of effectively controlling the electronic device with a simple touch of a user in order to implement a multimedia function according to the addition of various functions of the electronic device.

Therefore, an object of the present invention for solving the above problems of the present invention is to implement a button using a combination of the electrical method by the human body and the mechanical method by the pressure of the human body, and improve the durability of the existing touch pad While providing an input device of the electronic device that can reduce the manufacturing cost.

In addition, another object of the present invention is to provide an input device of an electronic device that can detect both an electrical method and a mechanical method with a single circuit board, thereby facilitating manufacture, reducing the number of parts, and manufacturing a thin thickness.

In addition, another object of the present invention is to provide an input device of an electronic device having a long life and high reliability by using a sensing method using a battery principle.

Further, another object of the present invention is to provide an electronic device control device capable of effectively providing a continuous input and pointing function of a user.

In addition, another object of the present invention is to provide an electronic device control device that can be easily mounted on a miniaturized electronic device and can be conveniently used by a user.

According to a preferred embodiment of the present invention for achieving the above object of the present invention, the input device of the electronic device includes a button portion, an electrode tip, a mechanical switch portion, a connecting electrode and a circuit board.

The button part is partially exposed to the outside of the electronic device, and in general, when the user presses the button part, a signal is input to the electronic device by a pressing force. Therefore, a mechanical signal using the pressing of the button unit can be used, and at the moment when the user presses the button unit, electric charges are sensed by the electronic device because electric charges are transferred to the button unit at the fingertips.

The electrode tip is inserted into the button portion to be exposed to the outside of the button portion, and may be made of a conductor or a dielectric. Therefore, the electrode tip is in direct contact with the user's human body to serve as a medium through which charge flows in the user's human body.

The mechanical switch unit is located at the bottom of the button unit and senses the mechanical pressure information provided by the pressing of the button unit and transmits it to the outside. Accordingly, the mechanical pressure information for pressing the button unit may be transmitted to the controller for controlling the electronic device, and the controller generates a second control signal according to the mechanical pressure information.

The connecting electrode may be disposed to penetrate the inside of the mechanical switch part, and both ends thereof may be exposed to both surfaces of the mechanical switch part, and the electrode tip and the electrode pattern may be electrically connected to each other. Therefore, the connection electrode transmits the contact information of the human body detected by the electrode tip to the outside. Similarly, the controller generates the first control signal according to the contact information of the human body.

The circuit board is formed under the mechanical switch part, includes an electrode pattern electrically connected to the mechanical switch part or the connection electrode, and serves as a medium for transmitting the contact information and the pressure information to the outside. In this case, the circuit board may be manufactured as a PCB (Printed Circuit Board) or FPCB (Flexible Printed Circuit Board).

Therefore, the input device of the electronic device according to the present invention may use a mechanical method of inputting a signal by pressing a button part, and an electrical method of inputting a signal in contact with an electrode tip of the button part. Therefore, the user can continuously input the input device of the electronic device through an electrical method, and at the same time, it is possible to effectively use a selection function of inputting a signal by pressing the input device of the electronic device.

In addition, mechanical pressure information and electrical pressure information can be detected using a single circuit board, so that the number of parts can be reduced, so that the board can be manufactured thinly, and the manufacturing cost can be easily reduced and the manufacturing cost can be reduced. It is convenient to do

In addition, the electrical sensing method and the mechanical sensing method may be designed for the input device of the electronic device to follow a variety of mechanisms. For example, the electrical sensing method may use a method of detecting contact with a human body by a change in capacitance of a dielectric, and the mechanical sensing method may use a dome switch sensing method and a spring switch sensing method. have.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, but the present invention is not limited or limited by the embodiments.

Example  One

2 is an exploded perspective view illustrating an input device of an electronic device according to a first embodiment of the present invention, and FIG. 3 is a cross-sectional view illustrating the input device of the electronic device of FIG. 2. In the present specification, the electronic device may collectively mean all devices that input signals using a button method such as a mobile phone or a PDA.

2 and 3, the input device of the electronic device includes a button unit 210, an electrode tip 220, a mechanical switch 230, a connection electrode 240, a circuit board 250, and a reinforcing layer 260. It is provided.

The button unit 210 is mounted to be partially exposed to the outside of the main body of the electronic device. The button unit 210 includes a first button 210a and a second button 210b. The first button 210a may be used in a combination of an electrical method and a mechanical method, and the adjacent second button 210b may be used only in an electrical method. The first button 210a and the second button 210b may be separated from each other, and the manipulation of the first button 210a and the second button 210b is not disturbed by the structure.

The touch sensing region 212 and the pressure sensing region 214 are disposed at the same position in the first button 210a. Therefore, when the user touches the hand to the touch detection area 212 of the first button 210a, a signal is input by an electrical method, and when pressed downward from the position, a mechanical signal is transmitted. In addition, only the touch detection area 212 is formed in the second button 210b, and only an electrical signal may be detected.

The mechanical switch unit 230 and the connection electrode 240 may be disposed below the contact sensing region 212 and the pressure sensing region 214 in the first button 210a. In this case, the connection electrode 240 may penetrate the inside of the mechanical switch 230, may be electrically connected to the electrode tip 220, and may transmit contact information of the human body to the circuit board 250. Therefore, since the mechanical switch unit 230 and the connection electrode 240 for transmitting an electrical signal are integrally formed, the thickness thereof can be reduced compared to the related art. However, in another exemplary embodiment of the present invention, a plurality of buttons may be arranged in a circular shape and used to be mounted on a menu key of a mobile phone, and the like, and the buttons may be manufactured in various shapes such as a cross or a line rather than a circular shape. have.

The electrode tip 220 may be inserted to penetrate the button portion 210, one end thereof may be exposed to the surface of the button portion 210, and the other end thereof may be in contact with the connection electrode 240. Therefore, as soon as the user's body contacts the electrode tip 220, electricity flows from the user's body to the electrode tip 220, and the electrode tip 220 transmits the contact signal to the connection electrode 240. Done. At this time, the human body contact information by the user's human body may be contact information such as heat, capacitance, resistance, current, etc. of the human body.

The mechanical switch unit 230 includes a silicon unit 232 and a dome switch 234. When a user presses a part of the human body, that is, a finger or the like on the button unit 210, the pressure is applied to the mechanical switch unit 230. In addition, the mechanical switch 230 detects this and transmits it to the controller, and generates a second control signal from the controller.

The silicon portion 232 is positioned below the button portion 210 and includes a push protrusion 232a that protrudes below the silicon portion 232. At this time, the connection electrode 240 is mounted inside the silicon portion 232, one end is electrically connected to the electrode tip 220, and the other end is partially exposed to the pressing protrusion 232a, thereby providing a circuit board 250. ) Is electrically connected.

The dome switch 234 is formed to be in contact with the pressing protrusion 232a, and both ends of the dome switch 234 are electrically connected to the fixed electrode 252a at all times. Therefore, when the user touches the electrode tip 220, the electrical circuit board 250 detects an electrical signal even when the dome switch 234 is not pressed. Then, when the user presses the button unit 210, the pushed protrusion 232a moves downward, and the protruding portion D of the dome switch 234 is in contact with the sensing electrode 252b of the circuit board 250 so as to contact the machine. Will generate a positive signal.

The connection electrode 240 penetrates the mechanical switch 230 and serves as a medium for electrically connecting the electrode tip 220 and the circuit board 250. In this case, the connection electrode 240 includes an upper electrode 242 and a lower electrode 244. The upper electrode 242 is electrically connected to the electrode tip 220 and partially exposed to the upper portion of the silicon portion 232. The lower electrode 244 extends in a direction perpendicular to the upper electrode 242 to be exposed to the surface of the pressing protrusion 232a and is in contact with the dome switch 234. Accordingly, the connection electrode 240 is formed in a T-shape, and transfers electric charges flowing in the human body of the user to the circuit board 250.

The circuit board 250 is formed under the mechanical switch 230 and is in close contact with the electrode tip 220. In this case, the circuit board 250 may be any one of a flexible PCB, a PCB, and a wire for transferring the human body contact information when the electrical signal is an electrical signal. In addition, various electrode patterns may be drawn on the circuit board 250 manufactured by the flexible PCB and the PCB.

In addition, the circuit board 250 may include an electrode pattern 252. The electrode pattern 252 is printed on the circuit board 250 and includes a fixed electrode 252a and a sensing electrode 252b. The fixed electrode 252a may be fixed to both ends of the protruding portion D of the dome switch 234, and the portion D may be formed of a conductor. In addition, the sensing electrode 252b is formed to be spaced apart from the fixed electrode 252a. When the protruding portion D moves downward by mechanical pressure, the sensing electrode 252b comes into contact with the protruding portion D.

The reinforcement layer 260 may be inserted between the button portion 210 and the silicon portion 232, and the button portion 210 may use a tape. Therefore, the reinforcement layer can increase the adhesiveness between the respective components, it is possible to increase the durability. However, in another embodiment of the present invention, the reinforcement layer may be made of plastic, metal, or the like according to the intention of the designer. However, since the reinforcement layer is omitted in the present structure, it does not affect the performance of the reinforcement layer and may be omitted according to the designer's intention.

The controller (not shown) generates a first control signal based on human body contact information transmitted from the circuit board 250, generates a second control signal based on mechanical information by pressing, and the first and second parts. The electronic device is controlled by a control signal. In this case, the controller may be implemented in the form of a controller chip.

The first and second control signals may be applied to various signals for controlling the electronic device. For example, the first and second control signals may be signals for controlling display means of the electronic device.

That is, the first and second control signals are based on the human body contact information sensed by the electrode tip 220, the zoom magnification applied to the display means or the position of the displayed image or the position or movement of the pointer on the graphical user interface (GUI). It may be a signal for controlling pointing information that is information.

Also, the first and second control signals may be signals for controlling volume or game control functions applied to the electronic device. Therefore, according to the present invention, it is possible to provide an electronic device control apparatus capable of effectively providing various functions based on human body contact information sensed by the electrode tip 220.

In this case, the first control signal and the second control signal may be a control signal for performing the same operation in the electronic device, or may be set as a signal for controlling to perform different operations (functions). Alternatively, the electronic device may be controlled to perform a specific function by combining the first control signal and the second control signal.

For example, the first control signal and the second control signal may be signals for controlling number input in a mobile communication terminal which is an electronic device. In this case, even if the user only touches the finger on the electrode tip 220, a signal for inputting a number corresponding to the switch is generated as the first control signal so that the electronic device can be controlled. In addition, a signal for inputting a number corresponding to the switch is generated as the second control signal so that the electronic device can be controlled to input the number.

The above embodiment may be similarly applied to a four-way switch, a call or a termination switch of a mobile communication terminal, and may be applied to various electronic devices other than the mobile communication terminal.

In addition, the first control signal and the second control signal as an example of controlling different functions, when the user only touches the finger on the electrode tip 220, the human body contact information detected in the electrode layer is transmitted to the controller, Generates a first control signal for moving the position of the image output from the display means of the electronic device and controls the position of the image to be moved. When the user presses the finger touching the electrode tip 220 by applying pressure, the mechanical pressure information detected by the mechanical switch 230 is transferred to the controller, and the controller enlarges and displays the output image. 2 control signals may be generated to enlarge the image.

Accordingly, the input device of the electronic device according to the present invention may simultaneously use a mechanical method of inputting a signal by pressing a button part and an electrical method of inputting a signal by contacting an electrode tip of the button part, thereby providing a more complicated function. It is suitable for use as a new interface device with the user in the added GUI environment.

In addition, since both the contact information and the pressure information can be sensed by the circuit board 250, the number of parts can be reduced, so that the board can be manufactured thinner, and the manufacturing cost can be easily reduced and the manufacturing cost can be reduced. It is convenient.

4 and 5 are cross-sectional views illustrating an operation process of an input device of an electronic device according to a first embodiment of the present invention.

4 and 5, the input device of the electronic device includes a button unit 210, an electrode tip 220, a mechanical switch unit 230, a connection electrode 240, and a circuit board 250. At this time, the user contacts the finger with the touch sensing area and the pressure sensing area of the button unit 210. Here, the touch sensing region and the pressure sensing region may be referred to as the same position because they are disposed in the same region. When the finger touches the area, the electrode tip 220 comes into contact with the electrode tip 220, and the electrode tip 220 contacts the upper electrode 242 of the connection electrode 240, and the dome switch is connected through the lower electrode 244. 234 is electrically connected. Therefore, the contact information of the user may be transmitted to the outside by the fixed electrode 252a electrically connected to both ends of the dome switch 234.

As shown in FIG. 5, when the user pushes the button portion 210 downward (ⓐ), the center portion of the protruding portion D of the dome switch 234 moves downward. In addition, the central portion may be in contact with the sensing electrode 252b, and the pressurization information may be transmitted to the outside by the sensing electrode 252b. Therefore, the controller may generate a second control signal by receiving the signal from the sensing electrode 252b.

6 is a control flowchart illustrating a process of controlling an input device of an electronic device according to a first embodiment of the present invention.

Referring to FIG. 6, when the user contacts the button unit 210 with a portion of the human body or presses the button unit 210 to apply a user input, a control process of the electronic device is as follows.

In step S401, the user contacts a part of the human body to the button unit 210 of the electronic device input device of the present invention. In this case, the button unit 210 may be divided into a region in which the touch sensing region 212, the touch sensing region 212, and the pressure sensing region 214 are simultaneously formed.

In step S402, the electrode tip 220 of the electronic device input device of the present invention detects human body contact information. The human body contact information may be an electrical signal, and the electrode tip 220 may be configured of a conductor.

In operation S403, the electrode pattern 252 of the input device of the electronic device of the present invention transmits the human body contact information detected by the electrode tip 220 to the controller.

In step S404, the controller of the input device of the electronic device of the present invention generates the first control signal based on the transmitted human body contact information.

In operation S405, the input device of the electronic device of the present invention may determine whether mechanical pressure information associated with contact is detected by pressing the button unit 210 with the human body of the user, and if mechanical pressure information is not detected, in operation S408. The electronic device is controlled according to the generated first control signal.

When the mechanical pressure information associated with the user's human body contact is detected in step S405, the input device of the electronic device of the present invention generates a second control signal in step S406 and the generated first control signal in step S407. Alternatively, the electronic device is controlled according to the second control signal or the first control signal and the second control signal.

As described above, the first control signal or the second control signal may be a control signal for performing the same operation in the electronic device, or may be set as a signal for controlling to perform different operations. At this time, when the second control signal is generated, the first control signal is cut off so that the function is activated by the second control signal, or the function set differently when the first control signal and the second control signal are simultaneously generated. Can be.

Example  2

7 is a perspective view illustrating an input device of an electronic device according to a second embodiment of the present invention.

Referring to FIG. 7, a button unit 310, an electrode tip 320, a mechanical switch 330, a connection electrode 340, and a circuit board 350 are provided.

The button unit 310 is mounted to be partially exposed to the outside of the main body of the electronic device. In addition, a plurality of touch sensing regions 312 and a pressure sensing region 314 are arranged in the button 310. As illustrated in FIG. 7, five touch sensing regions 312 are arranged in a line, and the pressure sensing regions 314 may be identically disposed in the touch sensing regions 312 formed at both ends thereof. Can be. However, in another embodiment of the present invention, the touch sensing region and the pressure sensing region may be arranged in various shapes such as a cross shape according to a designer's intention. In addition, an electrode tip 320, a mechanical switch 330, a connection electrode 340, and a circuit board 350 may be disposed in the pressure sensing region 312 and the contact sensing region 314.

Other electrode tips 320, mechanical switch 330, connection electrode 340 and circuit board 350 are substantially the same as the first embodiment, and the functions and effects of the components are substantially the same. In the description of the embodiment, reference may be made to the description and drawings of the previous embodiment, and repeated content may be omitted.

Example  3

8 is an exploded perspective view illustrating an input device of an electronic device according to a third embodiment of the present invention, and FIG. 9 is a cross-sectional view illustrating the input device of the electronic device of FIG. 8.

8 and 9, the input device of the electronic device includes a button unit 410, a mechanical switch unit 430, a connection electrode 440, a circuit board 450, and a reinforcing layer 460.

The button unit 410 is mounted to be partially exposed to the outside of the main body of the electronic device. In addition, the button unit 410 may be manufactured using a dielectric material, and directly contacts the human body of the user. Since the button unit 410 is formed in a ring shape, the button unit 410 may be mounted on a menu key of a mobile phone and used. In this case, the touch sensing region 412 and the pressure sensing region 414 are formed on the upper portion of the button unit 410. However, in another embodiment of the present invention, the button portion may be manufactured in various shapes other than the ring shape according to the intention of the designer.

In addition, a mechanical switch unit 430 is disposed below the button unit. The mechanical switch unit 430 includes a silicon unit 432 and a dome switch 434. The silicon portion 432 is positioned below the button portion 410 and includes a push protrusion 432a that protrudes below the silicon portion 432. At this time, the connection electrode 440 is mounted inside the silicon portion 432, one end thereof is in close contact with the lower portion of the button part 410, and the other end thereof is partially exposed by the pressing protrusion 432a so as to expose the circuit board 450. ) Is electrically connected. The dome switch 434 is formed to be in contact with the pressing protrusion 432a, and both ends of the protruding portion D of the dome switch 434 are always electrically connected to the fixed electrode 452a. When the user presses the button portion 410, the pressing protrusion 432a is moved downward so that the protruding portion D contacts the sensing electrode 452b of the circuit board 450 to generate a mechanical signal. do. Therefore, when the user presses a part of the human body, that is, a finger or the like on the button unit 410, the pressure is applied to the mechanical switch unit 430. In addition, the mechanical switch unit 430 detects this and transmits it to the controller, and generates a second control signal from the controller.

The connection electrode 440 passes through the mechanical switch 430 and includes an upper electrode 442 and a lower electrode 444. The upper electrode 442 is positioned below the button portion 410 and partially exposed to the upper portion of the silicon portion 432 to contact the lower portion of the button portion 410. The lower electrode 444 extends in a direction perpendicular to the upper electrode 442 to be exposed to the surface of the pressing protrusion 432a and is in electrical contact with the protruding portion D of the dome switch 434. Therefore, the connection electrode 440 is formed in a T-shape to transfer charges flowing in the human body of the user to the circuit board 450.

The circuit board 450 is formed under the mechanical switch unit 430 and is in close contact with the button unit 410. In addition, a variety of electrode patterns may be drawn on the circuit board 450 made of a flexible PCB or a PCB. Accordingly, the electrode pattern 452 is printed on the circuit board 450, and includes the fixed electrode 452a and the sensing electrode 452b in this embodiment. The fixed electrode 452a may be fixed to both ends of the protruding portion D, and the portion D may be formed of a conductor. In addition, the sensing electrode 452b is formed to be spaced apart from the fixed electrode 452a. When the protruding portion D moves downward by mechanical pressure, the sensing electrode 452b comes into contact with the protruding portion D. In addition, it may further include a reinforcing layer that can be inserted between the button portion 410 and the silicon portion 432, it may be omitted according to the designer's intention.

10 is a partial cross-sectional view for describing an input device of an electronic device according to a third embodiment of the present invention.

Referring to FIG. 10, when a user places a finger f on the button unit 410, a current flowing from the human body of the user to the contact surface of the button unit 410 is generated. Therefore, the capacitance C of the button unit 410 is changed, it is possible to determine whether or not the contact compared to the original capacitance, it is possible to detect the key stroke more accurately, it is possible to obtain a high reliability. In this case, a mechanical switch 430 and a connection electrode 440 are formed below the button unit 410 to transmit contact information to the outside. In addition, since there is no metal contact portion in contact with the human body of the user, there is no reason for physical failure to have a long life. In addition, since it does not have a metal contact portion, it is hardly affected by dust or moisture.

Therefore, according to the present invention, while controlling the electronic device by sensing the human body contact information, the technical effect of effectively controlling the electronic device by detecting the user's mechanical input can be obtained.

In addition, the present invention can detect the mechanical pressure information and electrical pressure information by using a single circuit board, so that the number of parts can be reduced to make the substrate thin, easy to manufacture and thereby reduce the manufacturing cost, miniaturized electronic It is convenient to mount on the device.

In addition, according to the present invention can provide an electronic device control device that can effectively provide a continuous input and pointing function of the user. In addition, according to the present invention by simultaneously implementing a touch switch to control the device by sensing the body contact information and a mechanical switch to control the device by sensing the pressure of the user to improve the durability of the existing touch pad while reducing the manufacturing cost It can provide an electronic device control device that can.

In addition, according to the present invention by controlling the electronic device using a sensor, it can be easily mounted on a miniaturized electronic device, it is possible to provide an electronic device control device that can be conveniently used by the user. In addition, in the input device of the electronic device according to the present invention, the capacitance of the button unit is changed, and it is possible to determine whether the contact is compared with the original capacitance, and it is possible to detect the key stroke more accurately, thereby obtaining high reliability. . In addition, since there is no metal contact portion in contact with the human body of the user, there is no reason for physical failure to have a long life. In addition, since it does not have a metal contact portion, it is hardly affected by dust or moisture.

As described above, although described with reference to the preferred embodiment of the present invention, those skilled in the art various modifications and variations of the present invention without departing from the spirit and scope of the invention described in the claims below I can understand that you can.

Claims (11)

In the input device mounted on the electronic device, A button part partially exposed to the outside of the electronic device; An electrode tip inserted into the button part to be exposed to an upper surface of the button part; A mechanical switch unit formed under the button unit and configured to sense pressure information provided by the pressing of the button unit and to transmit the pressure information to the outside; A connection electrode penetrating the inside of the mechanical switch part, one surface of which is electrically connected to the electrode tip, and configured to transmit contact information of the human body detected by the electrode tip to the outside; And An electrode pattern formed under the mechanical switch part and configured to sense the pressure information transmitted by the mechanical switch part, wherein the electrode pattern is electrically connected to the connection electrode to provide the contact information and the pressure information. A circuit board transferring to the outside; Input device of the electronic device having a. The method of claim 1, The mechanical switch unit A silicon part disposed under the button part and including a push protrusion protruding downward; And And a dome switch disposed below the pressing protrusion and electrically connected to both ends of the pressing protrusion. The method of claim 2, The connection electrode may include an upper electrode electrically connected to the electrode tip, and a lower electrode extending below the upper electrode to be exposed to the pressing protrusion surface and in contact with the dome switch. Device. The method of claim 1, The input device of the electronic device further comprises a reinforcing layer interposed between the button unit and the mechanical switch unit to increase the adhesive force. In the input device mounted on the electronic device, A button part formed to be exposed to the outside of the electronic device and formed using a dielectric; A mechanical switch unit formed under the button unit and configured to sense pressure information provided by the pressing of the button unit and to transmit the pressure information to the outside; A connection electrode which penetrates the inside of the mechanical switch part and is in close contact with the lower part of the button part and transmits contact information of the human body to the outside according to a change in capacitance of the button part generated in response to the human body approaching; And An electrode pattern formed under the mechanical switch part and configured to sense the pressure information transmitted by the mechanical switch part, wherein the electrode pattern is electrically connected to the connection electrode to provide the contact information and the pressure information. A circuit board transferring to the outside; Input device of the electronic device having a. The method of claim 5, And a reinforcing layer interposed between the button unit and the circuit board to increase adhesion. In the input device mounted on the electronic device, A button part partially exposed to the outside of the electronic device and having a plurality of touch sensing regions and at least one pressure sensing region formed on a surface thereof; Located at the bottom of the button unit, the mechanical switch unit for detecting the pressure information provided by the pressure of the pressure sensing region and transmits to the outside; An electrical switch unit including a connection electrode penetrating the inside of the mechanical switch unit and sensing contact information of a human body generated in the touch sensing region by the connection electrode and transmitting the detected contact information to the outside; And A circuit board including an electrode pattern for sensing pressure information transmitted by the mechanical switch unit, wherein the electrode pattern is electrically connected to the electrical switch unit to transmit the contact information and the pressure information to the outside; Input device of the electronic device having a. The method of claim 7, wherein The touch sensing region and the pressure sensing region are arranged to overlap each other in whole or in part. The method of claim 7, wherein The electrical switch unit An electrode tip inserted into the button part to be exposed to the upper surface of the button part, wherein the connection electrode is electrically connected to the electrode tip and the electrode pattern, and is electrically connected to the electrode tip to provide contact information of the human body. Input device for an electronic device, characterized in that the transmission to the outside. The method of claim 7, wherein The button portion is formed using a dielectric, and the connection electrode is in close contact with the lower portion of the button portion, Input device of the electronic device, characterized in that for transmitting the contact information of the human body to the outside in accordance with the change in the capacitance of the button portion generated in response to the human body approach. The method of claim 7, wherein The mechanical switch unit A silicon part disposed below the button part and including a push protrusion protruding downward; And And a dome switch disposed under the pressing protrusion.

Images