RECONFIGURABLE KEYPAD METHOD IN HANDSET DEVICE OPERABLE WITH PLURAL SUBSYSTEMS

A user input device is provided that permits multiple functions to be implemented in a confined space using key images defined by a reconfigurable backlight structure under automatic software control. The keypads change automatically depending on what the user is doing with the device. By selectivel...

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Bibliographic Details
Main Authors MARRY PATRICK J, DEUBLER, JR. DONALD L
Format Patent
LanguageEnglish
Published 13.11.2008
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:A user input device is provided that permits multiple functions to be implemented in a confined space using key images defined by a reconfigurable backlight structure under automatic software control. The keypads change automatically depending on what the user is doing with the device. By selectively illuminating one of several key images at each key location, widely varying keypad functionality can be realized without increased the size of the keypad or the number of key locations.
Bibliography:Application Number: US20070944175