Optics: image projectors – Composite projected image – Multicolor picture
Reexamination Certificate
2007-12-10
2010-10-26
Epps, Georgia Y (Department: 2878)
Optics: image projectors
Composite projected image
Multicolor picture
C353S052000, C353S082000, C353S085000
Reexamination Certificate
active
07819529
ABSTRACT:
A projecting system includes a light source for emitting light, a color temperature detecting device for detecting a color temperature value of the light emitted from the light source, a control device for storing a plurality of selectable pre-determined color temperature values therein for a user to select a pre-determined color temperature value, an adjusting device, and a light-modulating device. The adjusting device is disposed in a light path associated with the light source. The control device is configured for controlling the adjusting device to adjust transmittance of the light transmitted therethrough so as to adjust the color temperature value of the light to the selected pre-determined color temperature value. The light-modulating device modulates the light to create an image.
REFERENCES:
patent: 7070284 (2006-07-01), Tanaka et al.
patent: 7284867 (2007-10-01), Hamaya
patent: 2004/0130555 (2004-07-01), Ko et al.
patent: 2005/0185144 (2005-08-01), Imahase et al.
patent: 2006/0008141 (2006-01-01), Lin et al.
patent: 2005-10472 (2005-01-01), None
Hsu Chien-Wen
Kao Chia-Hung
Epps Georgia Y
Hon Hai Precision Industry Co. Ltd.
Knapp Jeffrey T.
Legasse Jr. Francis M
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