Multi-lamp arrangement for optical systems

Details Multi-lamp arrangement for optical systems Multi-lamp arrangement for optical systems

2006-04-25

2006-04-25

Husar, Stephen F (Department: 2875)

Illumination

Light fiber, rod, or pipe

With optical fiber bundle

C362S560000, C362S583000, C385S901000

Reexamination Certificate

active

07033056

ABSTRACT:
A multi-lamp arrangement for optical systems comprising two lamps or more (10, 15) and a collective light guide (58), where each lamp is positioned such as to transmit light (20) into respective light guides (36, 46) that are both optically connected to the collective light guide (58). In one embodiment, one of the lamps is optically connected to the collective light guide by means of a mirror (38)-and-prism (40) arrangement and an intermediate light guide (30) and an intermediate mirror (32)-and-prism (34) arrangement. The invention also comprises an augmented color modulator (62) with a number of color fields, where the number of identical color fields are equal to the number of lamps.The invented multi-lamp system will produce a flux level that is equal to or better than known systems but with fewer lamps, thus yielding reduced material cost, manufaturing cost and operating costs, reduced power consumption and reduced product temeperature.

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