Light source in the form of an arc lamp, a sealed beam light sou

Details Light source in the form of an arc lamp, a sealed beam light sou Light source in the form of an arc lamp, a sealed beam light sou

1998-01-13

2000-09-05

Patel, Vip

Electric lamp and discharge devices

With gas or vapor

Having a particular total or partial pressure

313573, 313574, 313631, 313634, H01J 1720

Patent

active

061148075

ABSTRACT:
An arc lamp suitable for use as a high intensity light source in a projection system is described. A reflector is arranged to reflect the light produced by the arc into a directional light beam, secondary reflection means being arranged to direct part of the reflected beam so as to compensate for regions which are obscured by the electrodes. Means are provided within the light source to dissipate heat generated by the electrodes.

REFERENCES:
patent: 3113234 (1963-12-01), Schlegel
patent: 3644768 (1972-02-01), McRae
patent: 3881132 (1975-04-01), Miller
patent: 3934166 (1976-01-01), Stuart
patent: 3988626 (1976-10-01), Boudouris
patent: 4633128 (1986-12-01), Roberts et al.

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