Illumination – Light source and modifier – Including reflector
Patent
1977-06-20
1979-04-10
Miller, J D
Illumination
Light source and modifier
Including reflector
362348, 362804, F21V 700, A61B 106
Patent
active
041492277
ABSTRACT:
A reflector useful in dental surgical lighting systems has been developed, which reflector is derived from at least one base elipsoid surface which has been divided into sections, each section being rotated outward so as to provide the cumulative effect of several elipsoidal segments to produce a beam pattern of desired width.
REFERENCES:
patent: 2437516 (1948-03-01), Greppin
patent: 3191023 (1965-06-01), Sullivan et al.
patent: 3449561 (1969-06-01), Basil et al.
patent: 3511983 (1970-05-01), Dorman
patent: 3666939 (1972-05-01), Ota
Corning Glass Works
DeLuca John P.
Miller J D
Patty, Jr. Clarence R.
Turner Burton R.
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