Method for inputting commands in a keypad
US6909423B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 24, 2002 |
| Grant date | Jun 21, 2005 |
| Priority date | — |
| Expiry date | Jun 8, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/023
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The present invention is to provide a method for inputting commands in a keypad comprising receiving a signal from an electronic device by the keypad or sending the signal to the electronic device; determining a type of an operating system (OS) incorporated in the electronic device by the keypad; and setting the keypad as a use mode compatible to the determined OS based on the type of the determined OS; whereby in the use mode of the keypad states of Num Lock keys of a keyboard and the keypad of the electronic device are independent without interaction therebetween, and the keypad is capable of inputting a key code coincident with the state of the Num Lock key of the keypad based on the current state of the Num Lock key thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.