Keypad for mobile phone

Details Keypad for mobile phone Keypad for mobile phone

2011-04-12

2011-04-12

Le, Thanh C (Department: 2618)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C341S022000

Reexamination Certificate

active

07925311

ABSTRACT:
A keypad for a mobile phone including a key arrangement having 9 number-keys and a 4-direction key surrounding one of the number-keys.

REFERENCES:
patent: 6865406 (2005-03-01), Park
patent: 2005/0266898 (2005-12-01), Ahn et al.
patent: 2006/0187212 (2006-08-01), Park et al.
patent: 2008/0018607 (2008-01-01), Joo
patent: 10-2005-0028254 (2006-05-01), None
patent: 100617821 (2006-08-01), None
patent: 10651821 (2006-11-01), None

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