Electrical reflector lamp

Details Electrical reflector lamp Electrical reflector lamp

1985-11-01

1987-06-09

Cuchlinski, Jr., William A.

Illumination

Light source and modifier

Including reflector

362347, 313113, F21V 700

Patent

active

046725148

ABSTRACT:
The electrical reflector lamp according to the invention has a blown lamp vessel (1) comprising a light-transmitting part (4) opposite to a neck-shaped part (3). The lamp vessel (1) has a first mirror-coated lamp vessel portion (5), which has a spherically curved part (14) and a paraboloidally curved part (15), and further a second mirror-coated lamp vessel portion (7), which is curved paraboloidally. A paraboloidally curved reflector (8) is arranged in the neck-shaped lamp vessel portion (3). The foci of the paraboloidal parts and the reflector and the center of the spherical part coincide (6). The light source is arranged in a plane (12) through the foci (6) and transversely to the axis of symmetry (2) of the lamp vessel (1). A very large part of the generated light is irradiated by the lamp in a concentrated beam.

REFERENCES:
patent: 2110590 (1938-03-01), Cook, Jr.
patent: 2629046 (1953-02-01), Liberman
patent: 4420801 (1983-12-01), Reiling et al.
patent: 4447865 (1984-05-01), van Horn
patent: 4536834 (1985-08-01), Sands et al.

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