Metal halide arc discharge lamp having shielded electrode

Details Metal halide arc discharge lamp having shielded electrode Metal halide arc discharge lamp having shielded electrode

1978-11-02

1983-05-10

Demeo, Palmer C.

Electric lamp and discharge devices

With temperature modifier

For filament or heated cathode

313602, 313609, 313631, H01J 6110, H01J 6118

Patent

active

043831974

ABSTRACT:
A shield is disposed about the electrode of a metal halide arc discharge lamp in order to improve lamp performance. The construction and location of the shield are such as to not lower the cold-spot temperature of the arc tube.

REFERENCES:
patent: 2008066 (1935-07-01), Ende
patent: 2725495 (1955-11-01), Rively
patent: 2812465 (1957-11-01), Germeshausen
patent: 3109952 (1963-11-01), Reese
patent: 3761758 (1973-09-01), Bamberg et al.
patent: 3764842 (1973-10-01), Ridders et al.
patent: 4056750 (1977-11-01), Latassa
patent: 4056751 (1977-11-01), Gungle et al.
patent: 4117374 (1978-09-01), Witting

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