Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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
Recombinant vectors for use in position-independent transgene expression within chromatin
ZnO green luminescent material and its preparation
Heterocyclic compounds as CCR2B antagonists
Method and apparatus for displaying system status with a wide range of viewing angle
Dispensing of restricted goods
Identifying users of remote sessions
Upstream channel bonding in a cable communications system
  Randomly Featured Patents
Phenylpyridine derivative
Thermoelectric metal sorter
Electrical return-to-zero (ERZ) driver circuit
Aperture sighting device for a firearm
Transistor
Dispenser for a roll of sheet material
Object indicator for moving vehicles
Button with removable face
Methods and apparatus for injecting fluids into turbine engines
Method for cross-sectioning yarn samples