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Optical modulation system
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Patent number 7,876,400
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Issue date Jan 25, 2011
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Hewlett-Packard Development Company, L.P.
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Roshan B. Baliga
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G02 - OPTICS
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Active layer
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Patent number 7,724,431
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Issue date May 25, 2010
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Hewlett-Packard Development Company, L.P.
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Marshall Field
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Synchronizing screen
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Patent number 7,609,442
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Issue date Oct 27, 2009
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Hewlett-Packard Development Company, L.P.
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Peter James Fricke
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Composite light based adjustment
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Patent number 7,457,035
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Issue date Nov 25, 2008
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Hewlett-Packard Development Company, L.P.
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Peter J. Fricke
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Encrypting data
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Patent number 7,370,978
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Issue date May 13, 2008
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Daryl E. Anderson
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY