Method of using ten-key keypad

Details Method of using ten-key keypad Method of using ten-key keypad

2006-03-28

2006-03-28

Shankar, Vijay (Department: 2673)

Computer graphics processing and selective visual display system

Display peripheral interface input device

C345S172000

Reexamination Certificate

active

07019731

ABSTRACT:
A ten-key keypad for inputting numerals mounted on a portable telephone T is adapted to a zoom function and a scroll function for operating an image displayed on a display. The user can use the keys of the ten-key keypad to select the mode in which case the keys also serve as image operation keys.

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