Electric lamp and discharge devices – With optical device or special ray transmissive envelope – Polarizer or special ray transmission
Reexamination Certificate
2008-01-29
2008-01-29
Williams, Joseph (Department: 2879)
Electric lamp and discharge devices
With optical device or special ray transmissive envelope
Polarizer or special ray transmission
C313S111000, C313S115000
Reexamination Certificate
active
07323809
ABSTRACT:
A lamp radiates visible light and infrared light. The lamp bulb of the lamp includes at least a first region which is at least partly permeable to infrared light, and at least partly impermeable to visible light. At least a second region of the bulb is wholly or partly permeable at least to visible light.
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Gervelmeyer Rolf
Küpper Lukas
Schug Josef Andreas
Koninklijke Philips Electronics , N.V.
Sanei Hana Asmat
Williams Joseph
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