Computer graphics processing and selective visual display system – Display peripheral interface input device – Including keyboard
Reexamination Certificate
2005-08-02
2005-08-02
Smith, Creighton (Department: 2645)
Computer graphics processing and selective visual display system
Display peripheral interface input device
Including keyboard
C345S170000, C345S174000, C345S169000
Reexamination Certificate
active
06924789
ABSTRACT:
A keypad (7) of a mobile telephone handset comprises a keymat (17) beneath which are disposed capacitive sensing plates (20, 21). The keypad may be used in a conventional manner to enter alphanumeric data by pressing keys (18) or as a touch pad by sliding a finger over the surface of the keymat (17).
REFERENCES:
patent: 5675361 (1997-10-01), Santilli
patent: 5887995 (1999-03-01), Holehan
patent: 5988902 (1999-11-01), Holehan
patent: 6224278 (2001-05-01), Nishi
patent: 6288707 (2001-09-01), Philipp
patent: 6498600 (2002-12-01), Vance et al.
patent: 6680731 (2004-01-01), Gerpheide et al.
patent: 2001/0046081 (2001-11-01), Hayashi et al.
patent: 2004/0041967 (2004-03-01), Maeda et al.
patent: 2004/0108193 (2004-06-01), Schmiz et al.
patent: 4222940 (1994-01-01), None
patent: 9805025 (1998-02-01), None
Nokia Corporation
Smith Creighton
Ware Fressola Van Der Sluys & Adolphson LLP
LandOfFree
User interface device does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with User interface device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and User interface device will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3523720