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
Composite aircraft floor system
Document layout method
Techniques for forming a contact to a buried diffusion layer in a semiconductor memory device
Fuel basket spacer, apparatus and method using the same for storing high level radioactive waste
Host route convergence based on sequence values
Fixing apparatus
Receiving security risk feedback from linked contacts due to a user's system actions and behaviors
  Randomly Featured Patents
Air conditioner
Hammer drill
Electronic equipment operating in multiple modes and control method thereof
Method and apparatus for reinforcing a door
Lithographic apparatus having double telecentric illumination
Drive device of hybrid vehicle
Enhanced off-axis viewing performance and luminous efficiency of a liquid crystal display employing fiberoptic faceplate elements
Virtual PCI device apparatus and method
Benzene recovery process
Methods for the diagnosis, prognosis and treatment of glaucoma and related disorders