Display device having automated lamp replacement

Details Display device having automated lamp replacement Display device having automated lamp replacement

2007-09-25

2007-09-25

Tso, Laura (Department: 2875)

Illumination

Automatic substitution of power supply or light source

C362S285000, C362S287000

Reexamination Certificate

active

11015938

ABSTRACT:
A display device includes a lamp having an output light beam, wherein the lamp is disposed in a lamp alignment position when it projects the output light beam A spatial light modulator receives the output light beam and controllably spatially modulates the intensity of the output light beam, and an optics system that projects the spatially modulated output light beam. There is a lamp mount upon which the lamp and at least one spare lamp are supported. The lamp mount selectively and controllably moves one of the lamp and the at least one spare lamp into the lamp alignment position.

REFERENCES:
patent: 4402038 (1983-08-01), Hartung et al.
patent: 5980053 (1999-11-01), Hauser et al.
patent: 6776490 (2004-08-01), Soper et al.

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