Computer graphics processing and selective visual display system – Display peripheral interface input device – Touch panel
Reexamination Certificate
2007-06-26
2007-06-26
Liang, Regina (Department: 2629)
Computer graphics processing and selective visual display system
Display peripheral interface input device
Touch panel
C345S175000, C178S018010
Reexamination Certificate
active
10995377
ABSTRACT:
A passive touch system includes a passive touch surface and at least two cameras associated with the touch surface. The at least two cameras acquire images of the touch surface from different locations and have overlapping fields of view. A processor receives and processes images acquired by the at least two cameras to detect the existence of a pointer therein and to determine the location of the pointer relative to the touch surface. Actual pointer contact with the touch surface and pointer hover above the touch surface can be determined.
REFERENCES:
patent: 4144449 (1979-03-01), Funk et al.
patent: 4247767 (1981-01-01), O'Brien et al.
patent: 4507557 (1985-03-01), Tsikos
patent: 4558313 (1985-12-01), Garwin
patent: 4737631 (1988-04-01), Sasaki et al.
patent: 4742221 (1988-05-01), Sasaki et al.
patent: 4746770 (1988-05-01), McAvinney
patent: 4782328 (1988-11-01), Denlinger
patent: 4818826 (1989-04-01), Kimura
patent: 5097516 (1992-03-01), Amir
patent: 5109435 (1992-04-01), Lo et al.
patent: 5317140 (1994-05-01), Dunthorn
patent: 5483261 (1996-01-01), Yasutake
patent: 5483603 (1996-01-01), Luke et al.
patent: 5502568 (1996-03-01), Ogawa et al.
patent: 5581276 (1996-12-01), Cipolla et al.
patent: 5638092 (1997-06-01), Eng et al.
patent: 5737740 (1998-04-01), Henderson et al.
patent: 5825352 (1998-10-01), Bisset et al.
patent: 5911004 (1999-06-01), Ohuchi et al.
patent: 5936615 (1999-08-01), Waters
patent: 5963199 (1999-10-01), Kato et al.
patent: 5982352 (1999-11-01), Pryor
patent: 6002808 (1999-12-01), Freeman
patent: 6008798 (1999-12-01), Mato, Jr. et al.
patent: 6061177 (2000-05-01), Fujimoto
patent: 6100538 (2000-08-01), Ogawa
patent: 6161066 (2000-12-01), Wright et al.
patent: 6191773 (2001-02-01), Maruno et al.
patent: 6208330 (2001-03-01), Hasegawa et al.
patent: 6256033 (2001-07-01), Nguyen
patent: 6310610 (2001-10-01), Beaton et al.
patent: 6323846 (2001-11-01), Westerman
patent: 6335724 (2002-01-01), Takekawa et al.
patent: 6339748 (2002-01-01), Hiramatsu
patent: 6353434 (2002-03-01), Akebi et al.
patent: 6359612 (2002-03-01), Peter et al.
patent: 6414671 (2002-07-01), Gillespie et al.
patent: 6421042 (2002-07-01), Omura et al.
patent: 6429856 (2002-08-01), Omura et al.
patent: 6507339 (2003-01-01), Tanaka
patent: 6512838 (2003-01-01), Rafii et al.
patent: 6531999 (2003-03-01), Trajkovic
patent: 6559813 (2003-05-01), DeLuca et al.
patent: 6563491 (2003-05-01), Omura
patent: 6594023 (2003-07-01), Omura et al.
patent: 6608619 (2003-08-01), Omura et al.
patent: 6626718 (2003-09-01), Hiroki
patent: 6674424 (2004-01-01), Fujioka
patent: 6710770 (2004-03-01), Tomasi et al.
patent: 6774889 (2004-08-01), Zhang et al.
patent: 6803906 (2004-10-01), Morrison et al.
patent: 6933981 (2005-08-01), Kishida et al.
patent: 7007236 (2006-02-01), Dempski et al.
patent: 7030861 (2006-04-01), Westerman et al.
patent: 2001/0019325 (2001-09-01), Takekawa
patent: 2001/0022579 (2001-09-01), Hirabayashi
patent: 2001/0026268 (2001-10-01), Ito
patent: 2001/0033274 (2001-10-01), Ong
patent: 2002/0036617 (2002-03-01), Pryor
patent: 2003/0001825 (2003-01-01), Omura et al.
patent: 2003/0025951 (2003-02-01), Pollard et al.
patent: 2003/0085871 (2003-05-01), Ogawa
patent: 2004/0021633 (2004-02-01), Rajkowski
patent: 2004/0178997 (2004-09-01), Gillespie et al.
patent: 2004/0189720 (2004-09-01), Wilson et al.
patent: 2005/0052427 (2005-03-01), Wu et al.
patent: 2493236 (2003-12-01), None
patent: 198 10 452 (1998-12-01), None
patent: 57-211637 (1982-12-01), None
patent: 8-240407 (1996-09-01), None
patent: 9-91094 (1997-04-01), None
patent: 9-319501 (1997-12-01), None
patent: WO 99/40562 (1999-12-01), None
patent: 02/03316 (2002-01-01), None
patent: 2003/105074 (2003-12-01), None
“CCDs in optical touch panels deliver high resolution”, Bud K. Funk, Electronic Design, Sep. 27, 1980, pp. 139-143.
International Search Report with a date of mailing of Oct. 22, 2001 for PCT/CA 01/00980 with an International Filing Date of Jul. 5, 2001.
Morrison Gerald
Singh Manvinder
Liang Regina
Smart Technologies Inc.
LandOfFree
Passive touch system and method of detecting user input does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Passive touch system and method of detecting user input, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Passive touch system and method of detecting user input will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3874030