INPUT DEVICE AND MOBILE TERMINAL HAVING THE INPUT DEVICE
First Claim
1. A mobile terminal, comprising:
- a terminal body; and
an input device mounted on the terminal body,wherein the input device comprises;
at least one key button formed of a transparent material and having an internal space;
an illumination sensor located in the internal space and having a light-receiving portion, the illustration sensor configured to sense ambient illumination of the terminal body;
a light-emitting portion located at a side of the illumination sensor and configured to output a light signal to the outside of the key button for detecting a touch applied to the at least one key button; and
an input signal generation unit configured to generate a touch input signal according to the light signal input to the light-receiving portion of the illumination sensor.
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Accused Products
Abstract
An input device and a mobile terminal having the input device are provided. The input device includes a key button with a transparent material having an internal space, an illumination sensor located in an internal space of the key button to sense ambient illumination of the key button, a light-emitting portion located at one side of the illumination sensor to output a light signal to the outside of the key button for detecting a touch applied to the key button, and an input signal generation unit configured to generate a touch input signal according to the light signal being input to a light-receiving portion of the illumination sensor.
48 Citations
20 Claims
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1. A mobile terminal, comprising:
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a terminal body; and an input device mounted on the terminal body, wherein the input device comprises; at least one key button formed of a transparent material and having an internal space; an illumination sensor located in the internal space and having a light-receiving portion, the illustration sensor configured to sense ambient illumination of the terminal body; a light-emitting portion located at a side of the illumination sensor and configured to output a light signal to the outside of the key button for detecting a touch applied to the at least one key button; and an input signal generation unit configured to generate a touch input signal according to the light signal input to the light-receiving portion of the illumination sensor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. An input device, comprising:
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a key button formed of a transparent material and having an internal space; an illumination sensor located in the internal space and having a light-emitting portion, the illumination sensor configured to sense ambient illumination of the key button; a light-emitting portion located at one side of the illumination sensor and configured to output a light signal to the outside of the key button for detecting a touch applied to the key button; and an input signal generation unit configured to generate a touch input signal according to the light signal input to the light-receiving portion of the illumination sensor. - View Dependent Claims (19, 20)
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Specification