Method for inputting commands in a keypad

Details Method for inputting commands in a keypad Method for inputting commands in a keypad

2005-06-21

2005-06-21

Lefkowitz, Sumati (Department: 2675)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Including keyboard

C345S173000, C341S022000, C463S037000

Reexamination Certificate

active

06909423

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.

REFERENCES:
patent: 5525978 (1996-06-01), York et al.
patent: 6310608 (2001-10-01), Kaply et al.
patent: 6426742 (2002-07-01), Tai
patent: 6445381 (2002-09-01), Chou
patent: 6621484 (2003-09-01), Yee
patent: 6630926 (2003-10-01), Challener et al.

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