Ellipsoidal reflector lamp

Details Ellipsoidal reflector lamp Ellipsoidal reflector lamp

1976-08-30

1977-08-09

Grimm, Siegfried H.

Electric lamp and discharge devices

With optical device or special ray transmissive envelope

Reflector

240 4135R, 313116, 313220, H01J 502, H01J 508, H01K 132

Patent

active

040413446

ABSTRACT:
A blown glass reflector lamp having an ellipsoidal reflector and a clear or lightly frosted face is disclosed.

REFERENCES:
patent: 1275120 (1918-08-01), Ballman et al.
patent: 1804049 (1931-05-01), Claus
patent: 1981329 (1934-11-01), Rivier
patent: 2901655 (1959-08-01), Linsday et al.
Jolley et al., "The Theory and Design of Illuminating Engineering Equipment", Chapman & Halls, 1930, pp. 352-357.

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