Light blocking apparatus

Details Light blocking apparatus Light blocking apparatus

2007-01-09

2007-01-09

Sember, Thomas M. (Department: 2875)

Illumination

Supported by vehicle structure

Light modifier

C362S510000, C362S539000, C362S351000, C362S268000

Reexamination Certificate

active

11033535

ABSTRACT:
A light blocking apparatus is applied in an illuminating module of a projector. The light blocking apparatus includes a light shield and a support rod securing the light shield. The light shield is positioned in front of a bulb of the illuminating module. The support rod connects the light shield and another apparatus, such as a lamp reflector, so as to position the light shield in front of the bulb. The light shield is employed to block the light reflected from a UV-IR wheel and a color wheel so that the bulb won't be heated again.

REFERENCES:
patent: 3553519 (1971-01-01), Hicks
patent: 3553520 (1971-01-01), Hicks
patent: 3904904 (1975-09-01), Meinecke et al.
patent: 4564783 (1986-01-01), Krieg et al.
patent: 5213406 (1993-05-01), Neumann et al.
patent: 5353210 (1994-10-01), Strok et al.

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