Mobile terminal having an input device

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-emit...

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Bibliographic Details
Main Authors OH, MYUNGSEOK, CHIN, HUNGCHOL
Format Patent
LanguageEnglish
French
German
Published 20.05.2015
Subjects
BASIC ELECTRONIC CIRCUITRY
CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
PHYSICS
PULSE TECHNIQUE
TELEPHONIC COMMUNICATION
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Summary: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.
Bibliography:Application Number: EP20100175195