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In-building navigation system
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Patent number 6,807,478
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Issue date Oct 19, 2004
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Koninklijke Philips Electronics N.V.
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Demetri Giannopoulos
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G01 - MEASURING TESTING
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Digital lamp signal processor
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Patent number 6,337,544
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Issue date Jan 8, 2002
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Philips Electronics North America Corporation
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Shenghong Wang
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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Apparatus for power factor control
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Patent number 6,300,723
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Issue date Oct 9, 2001
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Philips Electronics North America Corporation
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Shenghong Wang
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Modular master-slave power supply controller
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Patent number 6,157,093
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Issue date Dec 5, 2000
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Philips Electronics North America Corporation
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Demetri Giannopoulos
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Scheme for sensing ballast lamp current
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Patent number 5,973,437
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Issue date Oct 26, 1999
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Philips Electronics North America Corporation
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Pawel M. Gradzki
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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Fluorescent lamp dimming
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Patent number 5,798,620
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Issue date Aug 25, 1998
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Philips Electronics North America Corporation
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Ihor T. Wacyk
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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Inverter driving scheme
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Patent number 5,742,134
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Issue date Apr 21, 1998
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Philips Electronics North America Corp.
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Ihor T. Wacyk
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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