Incandescent lamp having a reflecting dome and spheroconical env

Details Incandescent lamp having a reflecting dome and spheroconical env Incandescent lamp having a reflecting dome and spheroconical env

1975-07-17

1977-01-04

Grimm, Siegfried H.

Electric lamp and discharge devices

With optical device or special ray transmissive envelope

Reflector

240 411, 240 4135R, H01K 132

Patent

active

040016218

ABSTRACT:
A high voltage lamp having a silvered dome and reduced dimensions comprising a reflecting dome surface of a spheroconical shape which permits, by double reflection of light rays, an acceptable temperature of the cap for a power of 60W in a lamp of 45 mm diameter and 85 mm height.

REFERENCES:
patent: 2826710 (1958-03-01), Lipscomb

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