Computer graphics processing and selective visual display system – Display peripheral interface input device – Stylus
Reexamination Certificate
2007-05-29
2007-05-29
Liang, Regina (Department: 2629)
Computer graphics processing and selective visual display system
Display peripheral interface input device
Stylus
C345S173000, C178S019010
Reexamination Certificate
active
11418678
ABSTRACT:
A stylus for an electrographic position location apparatus is disclosed. In one embodiment, the stylus includes a writing element that is retractable. The stylus may have a proximal end and a distal end. A conductive annular structure may be at the proximal end of the stylus.
REFERENCES:
patent: 5247137 (1993-09-01), Epperson
patent: 5485176 (1996-01-01), Ohara et al.
patent: 5501601 (1996-03-01), Todokoro et al.
patent: 5511983 (1996-04-01), Kashii et al.
patent: 5548092 (1996-08-01), Shriver
patent: 5730602 (1998-03-01), Gierhart et al.
patent: 5739814 (1998-04-01), Ohara et al.
patent: 5913629 (1999-06-01), Hazzard
patent: 5939702 (1999-08-01), Knighton et al.
patent: 6806867 (2004-10-01), Arruda et al.
patent: 7068262 (2006-06-01), Perkins et al.
patent: 2001/0024193 (2001-09-01), Fahraeus
patent: 2002/0158854 (2002-10-01), Ju
Kuei Yao Willey Julie Wu
Lynch Larry
Milford Peter Nevil
Perkins Michael
Voskuil Kim
LeapFrog Enterprises, Inc.
Liang Regina
Townsend and Townsend / and Crew LLP
LandOfFree
Writing stylus does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Writing stylus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Writing stylus will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3791787