Optics: image projectors – Distortion compensation
Reexamination Certificate
2006-10-17
2006-10-17
Perkey, W. B. (Department: 2851)
Optics: image projectors
Distortion compensation
C359S020000, C359S033000, C359S016000, C359S618000, C359S204200, C345S032000, C345S087000, C345S003100, C349S005000, C349S193000, C348S743000, C348S756000, C348S751000, C348S766000
Reexamination Certificate
active
07121668
ABSTRACT:
In an image projection device, interferences between the light source and the light modulator leading to visible interferences in the projected image are suppressed by an interference cancellation circuit that pre-corrects the control signal that includes the image data that is to be projected.
REFERENCES:
patent: 5410370 (1995-04-01), Janssen
patent: 5416514 (1995-05-01), Janssen et al.
patent: 6683658 (2004-01-01), Janssen
patent: 6690432 (2004-02-01), Janssen et al.
patent: 6932477 (2005-08-01), Stanton
De Vaan Adrianus Johannes Stephanes Maria
Frensch Adrianus Johannes
Luerkens Peter
Van Den Wildenberg Henricus Wilhelmus Johannes
Vanlier Gerardus Johannes Josephus
Cruz Magda
Koninklijke Philips Electronics N. V.
Perkey W. B.
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