Optics: image projectors – Lamp control
Reexamination Certificate
2008-07-01
2008-07-01
Sever, Andrew T (Department: 2851)
Optics: image projectors
Lamp control
C353S122000, C353S121000
Reexamination Certificate
active
07393110
ABSTRACT:
A system comprising a media player configured to play media content, a projector operatively coupled to the media player and comprising a lamp, and a control unit operatively coupled to the media player and the projector is provided. The control unit is configured to determine whether the media content comprises visual content, and the control unit is configured to prevent the lamp from being turned on in response to determining that the media content does not comprise visual content.
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Translation of JP 2001133880A Translated by the JPO on Mar. 19, 2007.
Dan Johnson, “Readers to the rescue/graphics and sound/audio DJ”, vnunet.com, Apr. 29, 2004, pp. 1-2.
Bronstein Kenneth H.
Ochs David H.
Stephens Bruce A.
Taft Frederick D.
Hewlett--Packard Development Company, L.P.
Sever Andrew T
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