WO2010110532A2 - Dispositif d'entrée complexe à fonction de clavier tactile - Google Patents

Dispositif d'entrée complexe à fonction de clavier tactile Download PDF

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Publication number
WO2010110532A2
WO2010110532A2 PCT/KR2010/000996 KR2010000996W WO2010110532A2 WO 2010110532 A2 WO2010110532 A2 WO 2010110532A2 KR 2010000996 W KR2010000996 W KR 2010000996W WO 2010110532 A2 WO2010110532 A2 WO 2010110532A2
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WO
WIPO (PCT)
Prior art keywords
touch
electrode
input device
capacitance
function
Prior art date
Application number
PCT/KR2010/000996
Other languages
English (en)
Korean (ko)
Other versions
WO2010110532A3 (fr
Inventor
한상현
김기범
Original Assignee
주식회사 포인칩스
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Publication of WO2010110532A2 publication Critical patent/WO2010110532A2/fr
Publication of WO2010110532A3 publication Critical patent/WO2010110532A3/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1662—Details related to the integrated keyboard
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
    • G06F1/169—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675 the I/O peripheral being an integrated pointing device, e.g. trackball in the palm rest area, mini-joystick integrated between keyboard keys, touch pads or touch stripes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/0202—Constructional details or processes of manufacture of the input device
    • G06F3/021—Arrangements integrating additional peripherals in a keyboard, e.g. card or barcode reader, optical scanner
    • G06F3/0213—Arrangements providing an integrated pointing device in a keyboard, e.g. trackball, mini-joystick
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means

Definitions

  • the present invention relates to a complex input device having a touch function, and more particularly, to a complex button input device that simultaneously implements a touch function by a touch operation to a button by a conventional push operation.
  • These digital devices are provided with a number button or a function button for the user to operate a variety of functions, to operate a variety of functions.
  • terminals such as mobile phones are provided with a number button, a call button, a direction button (four directions), etc.
  • the structure of the button corresponds to the key value by outputting the corresponding key value when the button contacts the PCB at the bottom of the button. The operation signal is applied.
  • a touch sensor product using ITO film is commercialized on the front of the display and controls the operation of the device by touching the front.
  • a predetermined pattern is formed on the ITO film and the like and the capacitance is measured when the human body contacts, thereby operating a button function accordingly.
  • the capacitive touch sensor is excellent for motion detection by touch, which is very useful for movement and selection of cursors, scrolling, and manipulation of figures or characters.
  • the present invention for solving the above problems is already a touch terminal pattern of the dome switch to perform a button function on the electrode panel performing a touch pad function that is widely used to replace the function of a mouse in a mobile information device such as a notebook
  • the present invention is to provide a complex input device that is simple in structure and can perform a touch function and a button input function at the same time without increasing an additional device or cost.
  • the present invention provides a button input device provided in various host systems to receive a manipulation force from a user to operate a function of the host system.
  • a button input unit for receiving an operation force from a user to generate an electrical signal to output the electric signal to manipulate the function of the host system; and a two-dimensional capacitance change amount capable of recognizing a user's pointing change amount by a user's touch operation.
  • the touch input unit detects the touch input unit and transmits a pointing result to the host system through the touch input unit, and controls the function of the host system according to whether the button is pressed or touched by the button input unit and the touch input unit.
  • a touch function including a controller; It is provided by the ruthless composite input unit.
  • the button input unit a keypad provided with a plurality of buttons; a dome sheet in which a plurality of dome switches are formed below the keypad; and a contact terminal for generating an electrical signal by contacting a dome switch.
  • the touch input unit may include a first electrode panel disposed on the same layer as or below the contact terminal in the structure of the PCB of the button input unit, and including a conductive first electrode arranged to form a gap in one direction; A second electrode panel including a conductive second electrode arranged to form a gap in a direction orthogonal to the first electrode panel; and a change value of capacitance generated at the first electrode and the second electrode orthogonal to each other by a touch operation; And a capacitive measurement unit for measuring and generating an electrical signal capable of detecting a touch pad operation on two-dimensional coordinates.
  • the dome switch is formed of a conductive material
  • the contact terminal has a first contact member contacting the lower surface of the dome switch at an outer circumference thereof, and a second upper contact portion of the dome switch pressed therein.
  • Contact members may be formed.
  • the touch function connects the first contact member for the configuration of the dome switch in the first direction, and an additional first parallel to the first direction in the remaining space where the first contact member is not formed to increase the resolution.
  • the PCB pattern for directional capacitance sensing is formed, and dome switches are not formed and the PCB patterns for capacitance sensing in the second direction are connected to each other in the second space orthogonal to the first direction.
  • the controller recognizes the change in capacitance measured by the capacitance measuring unit in the first and second directions, and moves and selects the cursor according to a touch operation, character recognition, or direction recognition in four to eight directions or a circular wheel. It may further include a touch recognition unit implemented to recognize the operation.
  • the control unit may further include a key value converting unit that outputs a key value for an electrical signal corresponding to a motion by a pressing operation of the corresponding button input unit or a touch operation on the touch input unit when the pressing or touch operation is performed. .
  • the control unit recognizes a character, a number, or a symbol corresponding to a motion by a touch operation in the touch input unit, and thus a character corresponding thereto. It may further include a character recognition unit for outputting a value.
  • the button input device for operating a function of the host system to receive a manipulation force from the user provided in various host systems, a keypad having a plurality of buttons; and the keypad A dome sheet having a plurality of dome switches disposed at a lower portion thereof, a contact terminal for generating an electric signal by contact with the dome switch under the dome sheet, and a conductive first electrode formed to form a gap in one direction; And a second electrode panel including a conductive second electrode arranged to form a gap in a direction orthogonal to the first electrode panel; and the first electrode by a touch operation on the keypad.
  • a capacitance measuring unit configured to generate an electrical signal capable of detecting a touch operation by measuring a change in capacitance generated from the second electrode.
  • the dome switch is provided with a conductive material
  • the contact terminal is a first contact member which is in contact with the lower surface of the dome switch in the outer peripheral portion, the second contact member that can be pressed in contact with the upper portion of the dome switch therein Can be formed.
  • control unit is implemented to recognize the change in the capacitance measured by the capacitance measuring unit to recognize the character recognition or direction recognition or circular wheel operation in addition to the movement and selection of the cursor according to the touch operation.
  • the touch recognition unit may further include.
  • the control unit may further include a key value converting unit that outputs a key value for an electrical signal corresponding to a motion by a pressing operation of the corresponding button input unit or a touch operation on the touch input unit when the pressing or touch operation is performed. .
  • the controller recognizes a character, a number, or a symbol corresponding to the motion by the touch operation in the touch input unit, and determines a text value thereof.
  • the text recognition unit may be further included.
  • the button input device may further include a scroll input unit for generating an electrical signal capable of detecting the scroll motion by the scroll operation.
  • the scroll input unit includes a scroll electrode positioned on the side of the first electrode to change the capacitance by a scroll operation, and the scroll motion by measuring the change amount of capacitance formed in the scroll electrode by the capacitance measuring unit. It can be implemented to detect.
  • the complex input device having a touch function is structurally simple by forming a dome switch contact terminal pattern on the electrode pattern which performs the touch function through the above means, and by simultaneously performing the touch function and the button input function, It has the effect of providing convenience.
  • FIG. 1 is an exploded perspective view of a composite input device having a touch function according to an embodiment of the present invention
  • FIG. 2 is a schematic configuration diagram of a composite input device having a touch function according to an embodiment of the present invention
  • FIG. 3 is a cross-sectional view of a dome switch of a composite input device having a touch function according to an embodiment of the present invention
  • FIG. 4 is a plan view showing an electrode panel of a composite input device having a touch function according to an embodiment of the present invention
  • FIG. 5 is a plan view showing an electrode panel of a composite input device having a touch function according to another embodiment of the present invention.
  • FIG. 6 is a schematic configuration diagram of a touch input unit and a control unit of the complex input device having a touch function according to an embodiment of the present invention
  • FIG. 7 is a view showing a button implementation method of a composite input device having a touch function according to an embodiment of the present invention.
  • FIG. 8 is a diagram illustrating a button implementation method of a composite input device having a touch function according to another embodiment of the present invention.
  • buttons input unit 11 keypad
  • dome seat 15 dome switch
  • first electrode panel 23 second electrode panel
  • circuit board 70 host system
  • FIG. 1 is an exploded perspective view of a complex input device having a touch function according to an embodiment of the present invention
  • FIG. 2 is a schematic configuration diagram of a complex input device having a touch function according to an embodiment of the present invention.
  • the complex input device with a touch function is provided with a plurality of buttons to generate an electric signal to output a key value according to the pressing operation by the host system 70
  • a touch input unit for generating an electrical signal that can recognize the motion by the user's touch operation to operate the function of the host system 70 ( 20) and a control unit 30 for controlling the function of the host system 70 according to whether the operation is pressed or pressed by the button input unit 10 and the touch input unit 20.
  • the button input unit 10 may include a keypad 11 provided with a plurality of buttons, a dome sheet 13 having a plurality of dome switches 15 positioned below the keypad 11, and the dome switch ( And a contact terminal 17 for generating an electrical signal by contact with 15).
  • the touch input unit 20 is positioned below the button input unit 10 and includes a first electrode panel 21 including a conductive first electrode 25 arranged in a gap in one direction, and the first electrode.
  • the contact terminal 17 is formed on the first electrode panel 21, the capacitance measuring unit 28 and the control unit 30 is included in the circuit board 50 located at the lowermost, the touch function It is configured to simplify the panel laminated structure of the composite input device having a.
  • the button input unit 10 is configured in various digital devices such as a mobile phone, MP3, PMP, navigation, electronic dictionary, PDA, etc. corresponding to various host systems 70 and corresponds to a button device for directly operating various functions by the user.
  • the button input unit 10 is a keypad 11 having a plurality of buttons to which a user's pressing operation is applied, and a dome which is positioned below the keypad 11 to make contact by pressing a button to generate an electrical signal.
  • the switch 15 is configured to include a dome sheet 13 formed a plurality.
  • the dome sheet 13 is provided such that a plurality of dome switches 15 are arranged in a position corresponding to the keypad 11, and by contacting the contact terminal 17 formed under the dome switch 15.
  • the button operation is configured to be made.
  • FIG 3 is a cross-sectional view of the dome switch 15 of the complex input device having a touch function according to an embodiment of the present invention.
  • the dome switch 15 is formed of a conductive metal material, and the contact terminal 17 has a conductive first contact member 17a formed at an outer circumference thereof, and the first contact member 17a.
  • the conductive second contact member 17b is spaced apart from the inner center thereof.
  • first contact member 17a is always in contact with the outer circumferential surface of the dome switch 15, and the second contact member 17b is located at the lower inner center of the dome switch 15.
  • the first contact member (17a) and the second contact member (17b) is formed so as to be spaced apart as described above, the second contact member (17b) in the input state pull-up to the signal to which the resistance value is applied As a result, a weak high level signal is generated.
  • the first contact member 17a is connected to signal lines for capacitive sensing in a first direction or a second direction, respectively, and when in a state for sensing a button input, as in a general key scan method. In order to maintain high impedance and output voltage 0V in open-drain output state, each of the strong low level voltages is sequentially scanned.
  • the upper end of the dome switch 15 is connected to the second contact while the lower end of the dome switch 15 and the first contact member 17a are connected to each other.
  • the first contact member 17a and the second contact member 17b are electrically connected to each other with relatively low contact resistance, and the sensing electrode connected to the second contact member 17b is in contact with the member 17b.
  • the voltage of is changed from the weak high level voltage by the input pullup to the strong low level of the 0V level scanned on the first contact member 17a.
  • the controller 30 changes a voltage level at a general purpose input output pin (GPIO), which is a pin to which the signal is transmitted. Will detect that the button is pressed.
  • GPIO general purpose input output pin
  • the touch input unit 20 is configured to generate an electrical signal capable of recognizing the movement and motion of the cursor by a user's touch manipulation to manipulate the function of the host system 70.
  • the touch input unit 20 is positioned below the button input unit 10 and implemented to perform a capacitive touch function to facilitate a touch operation distinguished from a pressing operation of the button input unit 10. do.
  • FIG. 4 is a plan view illustrating an electrode panel of a complex input device having a touch function according to an embodiment of the present invention
  • FIG. 5 illustrates an electrode panel of the complex input device having a touch function according to another embodiment of the present invention
  • 6 is a schematic block diagram of the touch input unit 20 and the controller 30 according to the touch input unit 20 of the composite input device having a touch function according to an embodiment of the present invention.
  • the touch input unit 20 includes an electrode panel having a plurality of electrodes having a dielectric function generating capacitance, and a change value of the capacitance formed in the electrode panel when the user touches the touch input unit 20.
  • Capacitance measurement unit 28 for generating an electrical signal that can be measured by sensing the touch operation.
  • the electrode panel may include a first electrode panel 21 provided to detect a first direction coordinate (x coordinate) and a second electrode panel 23 provided to detect a second direction coordinate (y coordinate). It consists of.
  • the first electrode panel 21 includes a conductive first electrode 25 arranged in one direction, and when touched by a finger or another object, the first electrode 25 formed on the first electrode panel 21. Capacitance is induced between the body and the human hand.
  • the capacitance measuring unit 28 measures the change in the induced capacitance and transmits an electrical signal to the control unit 30, the control unit 30 is a signal generated by the capacitance measuring unit 28 It detects the first direction coordinate (x coordinate) touched by.
  • the first electrode 25 is formed in a complex manner in which the contact terminals 17 form a predetermined pattern on line electrodes arranged in a gap.
  • the pattern of the contact terminal 17 forms a pattern corresponding to the position of the dome switch 15 formed in the dome sheet 13.
  • the second electrode panel 23 includes a conductive second electrode 27 arranged in a direction orthogonal to the first electrode 25.
  • the second electrode panel 23 When the second electrode panel 23 is touched by a finger or another object, the second electrode panel ( A capacitance is induced between the second electrode 27 formed at equal intervals 23 and the human hand.
  • the capacitance measuring unit 28 measures the change in the induced capacitance and transmits an electrical signal to the control unit 30, the control unit 30 by the signal generated by the capacitance measuring unit 28 The touched second direction coordinate (y coordinate) is detected.
  • the touch input unit 20 substantially corresponds to one pixel.
  • the second electrode 27 is a position where the contact terminal 17 formed on the first electrode 25 is arranged so as not to overlap with the first electrode 25. Grooves of the same shape as the shape corresponding to the pattern is formed.
  • one of the embodiments of the present invention may be configured to further include a scroll input unit 40 for generating an electrical signal capable of detecting the scroll motion by the scroll manipulation.
  • the scroll input unit 40 may be located in various places, but preferably may be configured to be located on the left and right or upper and lower sides of the button input unit 10.
  • the scroll input unit 40 may be implemented in a manner that the control unit recognizes a specific input form of a user using the first electrode and the second electrode of FIG. 4, and calculates the same in the control unit. It may be implemented by forming a separate scroll electrode 41 located on the side of the first electrode panel 21 to facilitate the scroll operation.
  • the scroll electrode 41 is preferably formed in a shape in which the capacitance induced by the touched position when scrolling can be changed constantly.
  • the scroll electrode 41 may be formed so that a triangular electrode and an inverted triangular electrode are symmetrically positioned so that the induced capacitance may be constantly changed.
  • the capacitive measuring unit 28 is additionally connected in a state where the button input unit 10 is maintained as it is, so that the touch operation is possible when the capacitance due to the body contact is measured on the button input unit 10.
  • the capacitance measuring unit 28 measures the change in capacitance induced by the touch to the first electrode 25 and the second electrode 27 to generate an electrical signal capable of determining whether a touch manipulation has occurred. It transmits to the control part 30.
  • the electrostatic deflection measuring unit transmits an electrical signal to the controller 30 to determine whether a scroll manipulation has occurred by measuring a change in capacitance induced by the scroll electrode 41 by scrolling.
  • the controller 30 is provided to control the function of the host system 70 according to whether or not the button input unit 10 and the touch input unit 20 are pressed or touch operation is performed.
  • the controller 30 controls the function of the host system 70 by detecting a voltage difference of a signal generated from the contact member according to a pressing operation of the touch input unit.
  • control unit 30 is a GPIO (General purpose Input Output) which is a pin connected to the second contact member 17b to which the signal is transmitted when the voltage of the signal generated from the contact portion changes from a high level to a low level. It detects the change of voltage level at Pin) and recognizes that the button is pressed.
  • GPIO General purpose Input Output
  • the control unit 30 outputs an open drain output of a general purpose input output pin (GPIO) connected to the dome switch 15 and the first contact member 17a to sense a user's input and release of the user for each corresponding button.
  • GPIO general purpose input output pin
  • controller 30 senses a touched position by detecting a signal transmitted from the capacitance measuring unit 28.
  • the controller 30 senses the user's touch manipulation in the first and second directions of the first electrode 25 and the second electrode in the GIPO in the open drain output mode.
  • Connect 27 to 0V (ground level) either sequentially or simultaneously, or connect to 0V (ground level) or set all to input mode to open (Hign impedance state), and to sense capacitance during the GIPO operation mode.
  • 0V ground level
  • 0V ground level
  • the controller 30 senses the user's touch manipulation in the first and second directions of the first electrode 25 and the second electrode in the GIPO in the open drain output mode.
  • Connect 27 to 0V (ground level) either sequentially or simultaneously, or connect to 0V (ground level) or set all to input mode to open (Hign impedance state), and to sense capacitance during the GIPO operation mode.
  • the controller 30 may configure the capacitive measuring unit 28 in various ways in applying an input action by the button input unit 10.
  • the function of the button input unit 10 by a pressing operation is provided.
  • the same button input unit 10 can be operated by two operation methods, a pressing operation and a touch operation.
  • the control unit 30 when the pressing or touch operation is performed, the control unit 30 outputs a key value for an electrical signal corresponding to the motion by pressing the corresponding button input unit 10 or touch operation on the touch input unit 20.
  • the key value converter 31 may be further included.
  • buttons are similarly touched by the key operation through the key value converting unit 31. Can be operated.
  • the key value converting unit 31 may be configured to output a key value by a touch operation according to a preset value without corresponding to the key value by a pressing operation.
  • the controller 30 may be a letter or number corresponding to a motion by a touch operation on the touch input unit 20.
  • the character recognition unit 35 may further include a character recognition unit 35 that recognizes a symbol and outputs a character value thereof, thereby implementing character recognition through touch operation.
  • FIG. 7 is a view showing a button implementation method of a composite input device having a touch function according to an embodiment of the present invention
  • Figure 8 is a button of the composite input device having a touch function according to another embodiment of the present invention
  • the button input unit 10 includes buttons from 1 to 0 and "*" and "#" buttons.
  • the button input unit 10 outputs key values corresponding to the respective numbers and patterns according to the pressing operation.
  • the touch input outputs the four-way key values by the touch operation, thereby bringing high convenience to the user.
  • the position of each direction may be determined by measuring the change in capacitance at the button input unit 10 of Nos. 2, 4, 6, and 8 for indicating the four directions by the touch operation.
  • the key value converting unit 31 outputs the set key value according to the touch operation.
  • character recognition may be implemented through touch manipulation.
  • each button input unit 10 is configured together with the capacitance measuring unit 28, and then a change value of the capacitance is measured by a touch operation. Character input is possible by recognizing the character through the key value converting unit 31.
  • the key value output through the character recognition unit 35 may be determined to recognize the character as a character when the user creates a character through the button input unit 10.
  • a scroll input unit 40 capable of a scroll function may be further configured.
  • the scroll input unit 40 may be configured together with the capacitance measuring unit 28 to control various host systems 70 such as a mobile phone by detecting a scroll motion according to a capacitance value changed by a scroll operation by touch.
  • the key value is first calculated by the pressing operation, and then the time is divided by pressing the capacitance by measuring the capacitance according to the touch. By measuring the operation and the touch operation sequentially, the input result is output.
  • the application requiring the manipulation of the push button uses only the button data (press manipulation) and the touch manipulation is required. In this case, only data generated by the touch operation can be selected and used.
  • a separate touch operation button provided in the digital device is provided so as to output the key value as a touch function after the operation, and to terminate the touch operation, press the touch operation button again.
  • the on / off of the touch function can be controlled.
  • it may be configured to automatically terminate the touch operation function when there is no touch input for a predetermined time, or to terminate the touch operation when an application program that does not require touch operation is operated.
  • the button implementation by touch operation may control various host systems 70 by correspondingly or separately outputting a touch key value according to a matrix of a plurality of button input units 10 previously designed.
  • the host system 70 is controlled by outputting a key value corresponding to the capacitance through the capacitance measured by the capacitance measuring unit 28 from the controller 30.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Input By Displaying (AREA)
  • Push-Button Switches (AREA)
  • Input From Keyboards Or The Like (AREA)

Abstract

L'invention concerne une unité d'entrée complexe à fonction de clavier tactile utilisé comme substitut d'un dispositif d'entrée à souris dans des ordinateurs portables ou des micro-ordinateurs. Ledit dispositif d'entrée est installé dans une variété de systèmes hôtes et manipulé par un utilisateur pour exécuter simultanément des fonctions et des caractéristiques et des d'opérations tactiles et de pression de touche, et comprend : un clavier composé d'une pluralité de touches ; une feuille en dôme composée d'une pluralité de commutateurs en dôme positionnés sous le clavier ; un premier panneau d'électrodes comprenant une borne de contact disposée sous la feuille en dôme pour générer un signal électrique par contact avec les commutateurs en dôme, et un premier ensemble d'électrodes conductrices dans un sens, un espace étant ménagé entre elles ; un second panneau d'électrodes comprenant un second ensemble d'électrodes conductrices formant des angles droits avec le premier panneau d'électrodes présentant des espaces entre elles ; une carte de circuit imprimé disposée sous les panneaux d'électrodes, comprenant une unité de mesure de capacité destinée à mesurer une différence de capacités générée entre au moins les premières et les secondes électrodes, puis à détecter une opération tactile et le mouvement de l'opération tactile dans une première et une seconde direction, ce qui génère un signal électrique qui permet d'obtenir une modification des opérations tactiles bidimensionnelles ; et un contrôleur destiné à commander les systèmes hôtes en fonction d'une manipulation par pression ou effleurement. En conséquence, le dispositif d'entrée complexe de l'invention présente une structure simple et plus pratique par exécution simultanée d'une fonction tactile et d'une fonction d'entrée au moyen d'une touche.
PCT/KR2010/000996 2009-03-24 2010-02-18 Dispositif d'entrée complexe à fonction de clavier tactile WO2010110532A2 (fr)

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Application Number Priority Date Filing Date Title
KR1020090025027A KR100960942B1 (ko) 2009-03-24 2009-03-24 터치 기능을 구비한 복합 입력장치
KR10-2009-0025027 2009-03-24

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WO2010110532A3 WO2010110532A3 (fr) 2010-11-25

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