Touch screen using infrared camera hardly affected by external distrubance light
First Claim
1. A touch screen comprising:
- a body having a screen part to which an image is output;
an infrared radiation base disposed around the screen part in transverse (X axis) and longitudinal (Y axis) directions and divided into a plurality of sub-bases including at least one infrared emitting element emitting infrared light in order to prevent malfunction caused by external disturbance light; and
infrared cameras receiving the infrared light emitted from the infrared emitting element of each sub-base of the infrared radiation base, and detecting a position of an object touched on the screen part according to whether or not the infrared light emitted from the infrared emitting element is received.
2 Assignments
0 Petitions
Accused Products
Abstract
A touch screen using infrared cameras hardly affected by external disturbance light includes an infrared radiation base having a plurality of infrared emitting elements and the infrared cameras, thereby preventing malfunction resulting from the external disturbance light. The touch screen includes a body having a screen part to which an image is output, an infrared radiation base having a plurality of infrared emitting elements and disposed around the screen part in transverse and longitudinal directions, and infrared cameras receiving the infrared light emitted from the infrared emitting elements of the infrared radiation base and detecting the position of an object touched on the screen part according to whether or not the infrared light emitted from each infrared emitting element is received.
27 Citations
7 Claims
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1. A touch screen comprising:
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a body having a screen part to which an image is output; an infrared radiation base disposed around the screen part in transverse (X axis) and longitudinal (Y axis) directions and divided into a plurality of sub-bases including at least one infrared emitting element emitting infrared light in order to prevent malfunction caused by external disturbance light; and infrared cameras receiving the infrared light emitted from the infrared emitting element of each sub-base of the infrared radiation base, and detecting a position of an object touched on the screen part according to whether or not the infrared light emitted from the infrared emitting element is received. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification