Gerrit J. Van Den Beld

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Lighting system for controlling the color temperature of artificial...
- Patent number 5,861,717
- Issue date Jan 19, 1999
- U.S. Philips Corporation
- Simon H. A. Begemann
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Lighting system for controlling the color temperature of artificial...
- Patent number 5,721,471
- Issue date Feb 24, 1998
- U.S. Philips Corporation
- Simon H. A. Begemann
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
System to optimize artificial lighting levels with increasing dayli...
- Patent number 5,648,656
- Issue date Jul 15, 1997
- U.S. Philips Corporation
- Simon H.A. Begemann
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS