Illumination – Plural light sources – Particular wavelength
Patent
1986-02-26
1987-10-06
Dolinar, Andrew M.
Illumination
Plural light sources
Particular wavelength
362235, 362293, 362311, 362806, F21V 500
Patent
active
046987355
ABSTRACT:
A decorator lamp is composed of a glass body having a surface concave toward the center of the surface and defining a through-hole formed at a desired position of the glass body in such a manner that the outer dense layer of the glass body is removed at the desired position, and a light source placed within the bore. The light source may be formed of a central bulb and a plurality of miniature bulbs arranged underneath the central bulb in such a way that the miniature bulbs are located within the through-hole and when seen in a plan view of the decorator lamp, the miniature bulbs surround the central bulb. The light from the light source is thus reflected back inwardly by the outer dense layer of the glass-made main body. It is also reflected by the walls of lands and recesses formed in the circumference of the glass-made main body. A variety of colors are thus produced at such dense layer, lands and recesses, depending on the angles of reflected light beams, thereby making the decorator lamp useful.
REFERENCES:
patent: 1022928 (1912-04-01), Bradshaw
patent: 1636141 (1927-07-01), Mammen
patent: 1654150 (1927-12-01), Thompson
patent: 2015235 (1935-09-01), Rolph
patent: 2197040 (1940-04-01), Graf
patent: 2265670 (1941-12-01), Platt
patent: 4141058 (1979-02-01), Mizohata et al.
patent: 4222091 (1980-09-01), Bartenbach
Dolinar Andrew M.
Kuroi Glass Industry Co., Ltd.
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