Energy-efficient lamp

Electric lamp and discharge devices – With optical device or special ray transmissive envelope – Polarizer or special ray transmission

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Details

315 39, H01J 508, H01J 516, H01J 6135, H01K 132

Patent

active

047076321

ABSTRACT:
An energy-efficient lamp having a waveguide mounted to the envelope of the lamp which may be of the incandescent type. The waveguide passes visible radiation and reflects infrared radiation. The waveguide may be a reticulated layer of an electrically conductive material such as silver and the reticulations may be regularly or irregularly distributed over the surface of the envelope.

REFERENCES:
patent: 2932581 (1960-04-01), Harkness et al.
patent: 3931536 (1976-01-01), Fohl et al.
patent: 4080545 (1978-03-01), Gallo
patent: 4160929 (1979-07-01), Thorington et al.
patent: 4185228 (1980-01-01), Regan
patent: 4480213 (1984-10-01), Lapatovich et al.
Phillips Technical Review, vol. 26, No. 4/5/6, 1965, pp. 105-111, Groth R. and E. Kauer, "Thermal Insulation of Sodium Lamps".
Applied Optics, vol. 15, No. 3, Mar. 1976, pp. 761-767, Danielewicz, E. and P. Coleman, "Hybrid Metal Mesh-Dielectric Mirrors for Optically Pumped Far Infrared Lasers".

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