Resources Contact Us Home
Key input device and character input method using directional keys

Image Number 14 for United States Patent #6897849.

A key input device is provided for inputting digits/letters/characters/symbols by a keypad and a character input method for the key input device. In the key input device, a mode key is pressed to select one of a plurality of key matrixes for a corresponding mode, which is displayed on a display. A first directional key is used for inter-cell movement in the displayed key matrix and a second directional key is used to select an intended digit/letter/character/symbol within a cell. In the character input method, a mode with a unique key matrix is set by pressing a mode key. An intended cell is moved to within the key matrix by pressing a first directional key. An intended digit/letter/character/symbol is selected in the cell by pressing a second directional key. The selected digit/letter/character/symbol is displayed on a display.

  Recently Added Patents
AC/DC converter
Fishing apparatus
Camera system, video processing apparatus, and camera apparatus
Vehicle window opening and closing control device
Solution based precursors
Methods and apparatuses for configuring and operating graphics processing units
  Randomly Featured Patents
Coding system for high data volume
Endocardial mapping and ablation system utilizing a separately controlled ablation catheter and method
Universal pneumatic swivel
Note clip with suction cup
Gravity referenced endoscopic image orientation
Picture frame component
Method and apparatus for simultaneous multiline phone and data services over a single access facility
Circuit, system and method for performing dynamic element matching using bi-directional rotation within a data converter
Hybrid electric-combustion power plant