Key input device combined with key display unit and digital appliance having the same
First Claim
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1. A key input device comprising:
- a key display unit for displaying at least one of a character and an image that identifies a key;
a touch sensing unit that senses touch according to pressure applied to the key identified by the key display unit; and
a signal generation unit for generating an electric signal in accordance with the pressure applied to the key;
wherein the at least one of a character and an image displayed on the key display unit can be changed.
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Abstract
A key input device combined with a key display unit and a digital appliance having the same are disclosed. The key input device includes a key display unit for displaying a character or an image that identifies a key, a touch sensing unit that moves down and up by a pressure applied to this key, and a signal generation unit for generating an electric signal in accordance with the pressure applied to the key, wherein the character or the image displayed on the key display unit can be changed.
73 Citations
24 Claims
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1. A key input device comprising:
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a key display unit for displaying at least one of a character and an image that identifies a key;
a touch sensing unit that senses touch according to pressure applied to the key identified by the key display unit; and
a signal generation unit for generating an electric signal in accordance with the pressure applied to the key;
wherein the at least one of a character and an image displayed on the key display unit can be changed. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A digital appliance having a key input device comprising:
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a key display unit for displaying at least one of a character and an image that identifies a key;
a touch sensing unit that senses pressure applied to the key identified by the key display unit;
a signal generation unit for generating an electric signal in accordance with the pressure applied to the key; and
a display control unit for changing the at least one of a character and an image displayed on the key display unit. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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Specification