Symbol Input Devices, Symbol Input Method and Associated Computer Program Product
First Claim
Patent Images
1. A symbol input device, applied to a touch screen that generates a detection result according to touch points, the symbol input device comprising:
- a receiving unit, for receiving the detection result;
a storage unit, for storing a first look-up table; and
a control unit, for determining a symbol from the first look-up table according to the number of touch points on the touch screen indicated in the detection result.
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Abstract
A symbol input device, applied to a touch screen that generates a detection result according to touch points, includes a receiving unit, a storage unit and a control unit. The receiving unit receives the detection result, the storage unit stores a look-up table, and the control unit determines a symbol from the look-up table according to the number of the touch points on the touch screen indicated in the detection result.
24 Citations
16 Claims
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1. A symbol input device, applied to a touch screen that generates a detection result according to touch points, the symbol input device comprising:
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a receiving unit, for receiving the detection result; a storage unit, for storing a first look-up table; and a control unit, for determining a symbol from the first look-up table according to the number of touch points on the touch screen indicated in the detection result. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A symbol input method, applied to a touch screen that generates a detection result according to touch points, the symbol input method comprising:
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receiving the detection result; providing a storage unit for storing a first look-up table; and determining a symbol from the first look-up table according to the number of touch points on the touch screen indicated in the detection result. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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Specification