Computer graphics processing and selective visual display system – Display driving control circuitry – Intensity or color driving control
Reexamination Certificate
2002-05-29
2009-06-02
Kumar, Srilakshmi K (Department: 2629)
Computer graphics processing and selective visual display system
Display driving control circuitry
Intensity or color driving control
C362S167000, C353S122000
Reexamination Certificate
active
07542055
ABSTRACT:
An image display system that performs grayscale correction in accordance with the on-site environment, to display an image, is provided with: a calibration signal generation section (150) that generates calibration signals for displaying each of first and second grayscale correction images having two grayscale values of a single color, a color-light sensor (60) that measures luminance values under an ideal environment and the on-site environment for each of the first and the second grayscale correction images projected on a screen, a 1D-LUT generation section (140) that generates a 1D-LUT based on the luminance values measured by the color-light sensor (60), and a grayscale correction section (170) that stores the 1D-LUT generated by the 1D-LUT generation section (140) and performs grayscale correction.
REFERENCES:
patent: 4952917 (1990-08-01), Yabuuchi
patent: 5287173 (1994-02-01), Onuma et al.
patent: 5561459 (1996-10-01), Stokes et al.
patent: 5739809 (1998-04-01), McLaughlin et al.
patent: 5760843 (1998-06-01), Morimura et al.
patent: 6522313 (2003-02-01), Cottone
patent: 6611249 (2003-08-01), Evanicky et al.
patent: 6618076 (2003-09-01), Sukthankar et al.
patent: 6677958 (2004-01-01), Cottone et al.
patent: 6775633 (2004-08-01), Edge
patent: 2002/0015043 (2002-02-01), Matsuda
patent: 2002/0048084 (2002-04-01), Matsuda
patent: 2002/0051001 (2002-05-01), Kanai
patent: 2002/0051121 (2002-05-01), Kanai
patent: 2002/0057374 (2002-05-01), Suzuki
patent: 2002/0057835 (2002-05-01), Wada
patent: 2002/0089611 (2002-07-01), Kim
patent: 2002/0153472 (2002-10-01), Yano
patent: 1 150 159 (2001-10-01), None
patent: 1 189 434 (2002-03-01), None
patent: 1 189 458 (2002-03-01), None
patent: 1 349 387 (2003-10-01), None
patent: 2 335 326 (1999-09-01), None
patent: A 4-136925 (1992-05-01), None
patent: A 7-44111 (1995-02-01), None
patent: A 8-79546 (1996-03-01), None
patent: A 9-18806 (1997-01-01), None
patent: A 9-37091 (1997-02-01), None
patent: A 10-271352 (1998-10-01), None
patent: A 11-146232 (1999-05-01), None
patent: A 11-234539 (1999-08-01), None
patent: A 11-316566 (1999-11-01), None
patent: A 2002-125125 (2002-04-01), None
patent: A 2002-152552 (2002-05-01), None
patent: A 2002-202771 (2002-07-01), None
patent: A 2002-247401 (2002-08-01), None
patent: A 2002-281520 (2002-09-01), None
patent: A 2002-311503 (2002-10-01), None
U.S. Appl. No. 10/019,698, filed Jan. 2, 2002, Wada.
U.S. Appl. No. 10/031,441, filed Jan. 22, 2002, Wada.
U.S. Appl. No. 10/111,323, filed Apr. 24, 2002, Wada.
U.S. Appl. No. 10/111,321, filed Apr. 24, 2002, Wada.
U.S. Appl. No. 10/111,357, filed Apr. 24, 2002, Wada et al.
Matsuda Hideki
Wada Osamu
Kumar Srilakshmi K
Oliff & Berridg,e PLC
Seiko Epson Corporation
LandOfFree
Image display system, projector, information storage medium,... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Image display system, projector, information storage medium,..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Image display system, projector, information storage medium,... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4116218