Parabolic axial lighting device

Details Parabolic axial lighting device Parabolic axial lighting device

1996-04-10

1999-04-27

O'Shea, Sandra

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

313110, 313112, 313113, 362311, 362339, 362800, H01J 516, H01J 6140, H01K 126, H01K 130

Patent

active

058982671

ABSTRACT:
A compact lighting device including a light concentrating reflector directing side light emitted by a light source towards a light refracting surface where it is refracted and thereby redirected. The light refracting surface is contoured and positioned to cooperate with the contour of light concentrating reflector such that after passing through the refracting surface the emerging light forms a light beam concentrated about an axis. An optional light refracting lens can be included to compliment the reflector and refractor combination by redirecting forward light emitted by the light source to further increase the intensity of the concentrated light beam.

REFERENCES:
patent: 1880892 (1932-10-01), Dodge
patent: 1977689 (1934-10-01), Muller
patent: 2215900 (1940-09-01), Bitner
patent: 2224178 (1940-12-01), Bitner
patent: 2254961 (1941-09-01), Harris
patent: 2254962 (1941-09-01), Harris et al.
patent: 2356654 (1944-08-01), Cullman
patent: 2362176 (1944-11-01), Swanson
patent: 2469080 (1949-05-01), Rosin et al.
patent: 4698730 (1987-10-01), Sakai et al.
patent: 5140220 (1992-08-01), Hasegawa
patent: 5452190 (1995-09-01), Priesemuth

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