Par spot lamp

Details Par spot lamp Par spot lamp

1982-05-21

1984-09-25

Lechert, Jr., Stephen J.

Illumination

Light source and modifier

Including reflector

362328, 362329, 362337, 362338, 362340, 362375, F21V 700

Patent

active

044738722

ABSTRACT:
A spot lamp having a lens with a series of concentrically disposed fluted rings on the internal lens surface in combination with an outer concentric ring adjacent to and wider than any one of the fluted rings and having a stippled surface. The spot lamp reflector has multiple reflective surfaces including a front section that is parabolic shape having a principle focal point, a spherical section having its center of radius coincident with the principle focal point of the parabolic front section, and a spherical rear section.

REFERENCES:
patent: 1213154 (1917-01-01), Cohen
patent: 1243652 (1917-10-01), Casey

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