Handphone capable of inputting characters like keyboard

Details Handphone capable of inputting characters like keyboard Handphone capable of inputting characters like keyboard

2007-04-17

2007-04-17

Tieu, Binh K. (Department: 2614)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S090300, C455S566000, C455S575300, C379S433040, C379S433070, C379S433130, C341S022000, C345S168000, C361S689000, C361S689000

Reexamination Certificate

active

10349186

ABSTRACT:
A handphone including a phone body and a cover and which is capable of inputting characters using both a keypad installed on the phone body and an extra keypad installed on the cover in the manner in which characters are input through a computer keyboard. The phone body has a display device and a keypad including a plurality of keys. The cover covers the phone body and includes a second keypad including a plurality of keys. The first and second keypads are functionally coupled together to input characters. The handphone has a keyboard structure, such as a computer keyboard, formed by functionally coupling the auxiliary keypad of the cover to the keypad of the phone body. In this structure, characters can be input similar to the way that characters are input through a computer keyboard, so that significantly faster character input is possible.

REFERENCES:
patent: 6798882 (2004-09-01), Kupiainen
patent: 6952200 (2005-10-01), Sirola et al.
patent: 2001/0035858 (2001-11-01), Blumberg
patent: 2002/0034063 (2002-03-01), Miller, Jr.
patent: 2003/0078014 (2003-04-01), Salminen et al.
patent: 2003/0078069 (2003-04-01), Lindeman
patent: 2005/0110753 (2005-05-01), Ahn et al.
patent: 0 933 908 (1999-08-01), None

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