Virtual Keyboard Input System Using Pointing Apparatus In Digital Device
First Claim
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1. A virtual keyboard input system using a pointing device in a digital device, the virtual keyboard input system comprising:
- a sensor unit sensing a contact and a two-dimensional contact position;
a switch unit; and
a control unit dividing a contact sensitive region of the sensor unit into multiple division regions according to XY coordinates, assigning virtual keys of a virtual keyboard to the division regions, and when the switch unit is turned on, controlling an input of information for a virtual key assigned to a division region which is contacted among the division regions.
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Abstract
A virtual keyboard input system using a pointing device in a digital device. The virtual keyboard input system includes: a sensor unit sensing a contact and a two-dimensional contact position; a switch unit; and a control unit dividing a contact sensitive region of the sensor unit into multiple division regions according to XY coordinates, assigning virtual keys of a virtual keyboard to the division regions, and when the switch unit is turned on, controlling an input of information for a virtual key assigned to a division region which is contacted among the division regions.
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Citations
35 Claims
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1. A virtual keyboard input system using a pointing device in a digital device, the virtual keyboard input system comprising:
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a sensor unit sensing a contact and a two-dimensional contact position; a switch unit; and a control unit dividing a contact sensitive region of the sensor unit into multiple division regions according to XY coordinates, assigning virtual keys of a virtual keyboard to the division regions, and when the switch unit is turned on, controlling an input of information for a virtual key assigned to a division region which is contacted among the division regions. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A virtual keyboard input system using a pointing device in a digital device, the virtual keyboard input system comprising:
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a sensor unit sensing a contact and a two-dimensional contact position in accordance with a change in electrostatic capacity and calculating a contact pressure according to the change in the electrostatic capacity; and a control unit dividing a contact sensing region of the sensor unit into multiple division regions according to XY coordinates, assigning virtual keys of a virtual keyboard to the division regions, and making information of a virtual key assigned to a division region that is contacted be input when the calculated contact pressure is greater than a pressing reference pressure. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35)
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Specification