MOBILE TERMINAL AND METHOD FOR OPERATION OF ITS SENSOR KEYBOARD Russian patent published in 2011 - IPC H04M1/00 H04M1/22 

FIELD: information technologies.

SUBSTANCE: mobile terminal comprises a sensor keyboard, a processor of a touch sensor designed to read a signal entered from a key, selected by the user, and to display information of location that corresponds to the selected key, on the basis of the read signal. And also a control processor (CP) designed to produce control signals on the basis of displayed location information, and a light diode controller designed to independently excite a light diode corresponding to the selected key, on the basis of produced control signals. At the same time the sensor keyboard comprises the first unit, which has light-emitting devices related to each of multiple keys, and the second unit provided above the first unit and having grooves to locate according light-emitting devices, and having a guide part to direct the light from each light-emitting device to one related key out of many, and also a sensor keyboard providing for multiple keys.

EFFECT: possibility to easily to recognise the selected key with the help of independent excitation of that light guide only, which corresponds to the key selected by the user.

28 cl, 8 dwg