Luminance qualified vector display

Details Luminance qualified vector display Luminance qualified vector display

2007-02-20

2007-02-20

Tran, Trang (Department: 2622)

Television

Monitoring, testing, or measuring

Monitor

C348S180000, C348S184000

Reexamination Certificate

active

10198973

ABSTRACT:
A luminance qualified vector display device provides a vector display that is gated by a specified luminance range. In one implementation three luminance gates may be used, one for luminance levels above a specified high luminance threshold, a second for luminance levels below a specified low luminance threshold, and a third for luminance levels between the specified high and low luminance thresholds. Also the luminance thresholds for the medium luminance range may be separately adjusted to overlap the high and low luminance ranges respectively. Each luminance qualified vector display may be displayed separately, may be overlaid for display using a different color for each luminance range, or may be displayed in different quadrants of a display device or window together with the normal, non-luminance qualified, vector display.

REFERENCES:
patent: 4811083 (1989-03-01), Matney
patent: 4875089 (1989-10-01), Judge
patent: 5122863 (1992-06-01), Zortea
patent: 5150214 (1992-09-01), Shin et al.
patent: 5519440 (1996-05-01), Baker
patent: 5642161 (1997-06-01), Jefferson
patent: 6288755 (2001-09-01), Yun
patent: 6493024 (2002-12-01), Hartley et al.
Patent Abstract of Japan, Hitachi Denshi Ltd, Sep. 10, 1998.

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