What is claimed is:
1. A lighting device including:
a) an exit aperture through which emitted light can pass; b) a first light source including a first luminescent element emitting light upon the application of electrical power in a first defined spatial radiation pattern having a first geometric pattern axis;
c) a second light source including a second luminescent element emitting light upon the application of electrical power in a second defined spatial radiation pattern having a second geometric pattern axis;
d) a circuit for the application of electric power to said light sources;
e) a primary mirrored reflector including a reflective contour conforming to a concave surface of revolution;
said concave surface of revolution having;
an axis of revolution, a vertex, and a first focal point located on the concave side of said primary mirrored reflector wherein;
said first light source is positioned relative to said primary mirrored reflector such that said first geometric pattern axis intersects said primary mirrored reflector at a first point of intersection and its emitted light impinges upon said primary mirrored reflector in a pattern with an unsymmetrical distribution about said axis of revolution whereupon it is reflected to form a first reflected light beam having a first geometric reflected beam axis, and;
said second light source is positioned relative to said primary mirrored reflector such that said second geometric pattern axis intersects said primary mirrored reflector at a second point of intersection and its emitted light Impinges upon said primary mirrored reflector in a pattern with an unsymmetrical distribution about said axis of revolution whereupon it is reflected to form a second reflected light beam having a second geometric reflected beam axis,
f) means for assembly of said first light source, said second light source and said primary mirrored reflector wherein; the projection of said second geometric pattern axis upon a pattern reference plane coincident with said first geometric pattern axis and said second point of Intersection Intersects said first geometric pattern axis forming a first included angle, and;
the projection of said first geometric reflected beam axis upon a reflected beam reference plane coincident with said second geometric reflected beam axis and said first point of intersection intersects said second geometric reflected beam axis to form a second included angle, wherein;
said second included angle is less than said first Included angle.
2. A lighting device including:
a) an exit aperture through which emitted light can pass; b) a first light source including a first luminescent element emitting light upon the application of electrical power in a first defined spatial radiation pattern having a first geometric pattern axis;
c) a second light source including a second luminescent element emitting light upon the application of electrical power in a second defined spatial radiation pattern having a second geometric pattern axis;
d) a circuit for the application of electric power to said light sources;
e) a primary mirrored reflector Including a reflective contour conforming to a concave surface of revolution;
said concave surface of revolution having;
an axis of revolution, a vertex, and a first focal point located on the concave side of said primary mirrored reflector, wherein;
said first light source is positioned relative to said primary mirrored reflector such that said first geometric pattern axis Intersects said primary mirrored reflector at a first point
of intersection and its emitted light impinges upon said primary mirrored reflector in a pattern with an unsymmetrical distribution about said axis of revolution whereupon it is reflected to form a first reflected light beam having a first geometric reflected beam axis, and;
said second light source is positioned relative to said primary mirrored reflector such that said second geometric pattern axis intersects said primary mirrored reflector at a second point of intersection and its emitted light Impinges upon said primary mirrored reflector In a pattern with an unsymmetrical distribution about said axis of revolution whereupon it is reflected to form a second reflected light beam having a second geometric reflected beam axis,
f) means for assembly of said first light source, said second light source and said primary mirrored reflector to effect a spatial relationship among said first focal point, said axis of revolution, said first geometric pattern axis and said second geometric pattern axis which cooperates with said reflective contour to enhance the parallelism of said first geometric reflected beam axis and said second geometric reflected beam axis. 3. A lighting device including:
a) an exit aperture through which emitted light can pass; b) a first light source including a first luminescent element emitting light upon the application of electrical power in a first defined spatial radiation pattern having a first geometric pattern axis;
c) a second light source including a second luminescent element emitting light upon the application of electrical power in a second defined spatial radiation pattern having a second geometric pattern axis;
d) a circuit for the application of electric power to said light sources;
e) a primary mirrored reflector Including a reflective contour conforming to a concave surface of revolution;
said concave surface of revolution having;
an axis of revolution, a vertex, and a first focal point located on the concave side of said primary mirrored reflector, wherein;
said first light source is positioned relative to said primary mirrored reflector such that said first geometric pattern axis intersects said primary mirrored reflector at a first point of Intersection and its emitted light Impinges upon said primary mirrored reflector in a pattern with an unsymmetrical distribution about said axis of revolution whereupon it is reflected to form a first reflected light beam having a first geometric reflected beam axis, and;
said second light source is positioned relative to said primary mirrored reflector such that said second geometric pattern axis intersects said primary mirrored reflector at a second point of intersection and its emitted light impinges upon said primary mirrored reflector In a pattern with an unsymmetrical distribution about said axis of revolution whereupon it is reflected to form a second reflected light beam having a second geometric reflected beam axis,
f) means for assembly of said first light source, said second light source and said primary mirrored reflector, wherein; a first normal line perpendicular to said primary mirrored reflector at said first point of intersection Intersects said axis of revolution to form a first Included angle, and;
a line between said first focal point and said first point of intersection intersects said first normal line to form a second included angle, and;
a line between said first light source and said first point of intersection Intersects said first normal line to form a third Included angle, and;
a second normal line perpendicular to said primary mirrored reflector at said second point of intersection intersects said axis of revolution to form a fourth included angle, and;
a line between said first focal point and said second point of intersection Intersects said second normal line to form a
fifth included angle, and;
a line between said second light source and said second point of intersection Intersects said second normal line to form a sixth included angle, wherein;
the absolute value of the difference between said first and said third included angles is less than the absolute value of the difference between said first and said second Included angles, and;
the absolute value of the difference between said fourth and said sixth included angles is less than the absolute value of the difference between said fourth and said fifth included angles.
4. A lighting device including:
a) an exit aperture through which emitted light can pass; b) a first light source including a first luminescent element emitting light upon the application of electrical power in a first defined spatial radiation pattern having a first geometric pattern axis;
c) a second light source including a second luminescent element emitting light upon the application of electrical power in a second defined spatial radiation pattern having a second geometric pattern axis;
d) a circuit for the application of electric power to said light sources;
e) a primary mirrored reflector including a reflective contour conforming to a concave surface of revolution;
said concave surface of revolution having;
an axis of revolution, a vertex, and a first focal point located on the concave side of said primary mirrored reflector, wherein;
said first light source is positioned relative to said primary mirrored reflector such that said first geometric pattern axis Intersects said primary mirrored reflector at a first point of intersection and its emitted light impinges upon said primary mirrored reflector in a pattern with an unsymmetrical distribu
tion about said axis of revolution whereupon it is reflected to form a first reflected light beam having a first geometric reflected beam axis, and;
said second light source is positioned relative to said primary mirrored reflector such that said second geometric pattern axis intersects said primary mirrored reflector at a second point of intersection and its emitted light impinges upon said primary mirrored reflector in a pattern with an unsymmetrical distribution about said axis of revolution whereupon it is reflected to form a second reflected light beam having a second geometric reflected beam axis, and;
f) means for assembly of said first light source, said second light source and said primary mirrored reflector, wherein; a first normal line perpendicular to said primary mirrored reflector at said first point of intersection intersects said axis of revolution to form a first included angle, and;
a line between said first focal point and said first point of intersection intersects said first normal line to form a second included angle, and;
a line between said first light source and said first point of Intersection intersects said first normal line to form a third Included angle, and;
a second normal line perpendicular to said primary mirrored reflector at said second point of intersection intersects said axis of revolution to form a fourth included angle, and;
a line between said first focal point and said second point of Intersection intersects said second normal line to form a fifth included angle, and;
a line between said second light source and said second point of intersection intersects said second normal line to form a sixth included angle, wherein;
a first total is the sum of said first and said fourth Included angles, and;
a second total is the sum of said third and said sixth included angles, and;
a third total is the sum of said second and said fifth Included angles, wherein;
the absolute value of the difference between said first and said second total Is less than the absolute value of the difference between said first and said third totals.
5. A lighting device according to Claim #1 thru #4 wherein; said concave surface of revolution further has a hyperbolic contour, and;
said primary mirrored reflector and said vertex are located on the same side of a focal plane perpendicular to said axils of revolution at said first focal point, and;
said means for assembly further includes:
locating said first light source and said first point of intersection on the same side of a first location reference plane wherein;
said first location reference plane is coincident with said axis of revolution and normal to a line coincident with said first point of intersection and perpendicular to said axis of revolution, and;
locating said second light source and said second point of intersection on the same side of a second location reference plane, wherein;
said second location reference plane is coincident with said axis of revolution and normal to a line coincident with said second point of Intersection and perpendicular to said axis of revolution.
6. A lighting device according to Claim #1 thru #4 wherein; said concave surface of revolution further has an elliptical contour, and;
said primary mirrored reflector and said vertex are located on the same side of a focal plane perpendicular to said axis of revolution at said first focal point, and;
said means for assembly further Includes:
locating said first light source and said first point of intersection on opposite sides of a first location reference
plane wherein;
said first location reference plane is coincident with said axis of revolution and normal to a line coincident with said first point of intersection and perpendicular to said axis of revolution, and;
locating said second light source and said second point of intersection on opposite sides of a second location reference plane wherein;
said second locat ion reference plane is coincident with said axis of revolution and normal to a line coincident with said second point of intersection and perpendicular to said axis of revolution.
7. A lighting device as per Claim #1 thru 4 which further includes:
a first light refracting optic for redirecting said first reflected light beam forming a first refracted light beam having a first geometric refracted beam axis, wherein;
the projection of said second geometric reflected beam axis upon a refracted beam reference plane coincident with said first geometric refracted beam axis and said first focal point intersects said first geometric refracted beam axis to form an included angle which is less than the Included angle formed at the intersection of the projections of said first geometric reflected beam axis and said second geometric reflected beam axis upon said refracted beam reference plane.
8. A lighting device including:
a) an exit aperture through which emitted light can pass; b) a first light source including a first luminescent element emitting light upon the application of electrical power in a first defined spatial radiation pattern having a first geometric pattern axis;
c) a second light source including a second luminescent element emitting light upon the application of electrical power in a second defined spatial radiation pattern having a second geometric pattern axis;
d) a circuit for the application of electric power to said light sources;
e) a first primary mirrored reflector Including a reflective contour conforming to a concave surface of revolution;
said concave surface of revolution having;
an axis of revolution, a vertex, and a first focal point located on the concave side of said primary mirrored reflector wherein;
said first light source is positioned relative to said primary mirrored reflector such that said first geometric pattern axis Intersects said primary mirrored reflector at a first point of intersection and its emitted light impinges upon said primary mirrored reflector in a pattern with an unsymmetrical distribution about said axis of revolution whereupon it is reflected to form a first reflected light beam having a first geometric reflected beam axis, and;
said second light source is positioned relative to said primary mirrored reflector such that said second geometric pattern axis intersects said primary mirrored reflector at a second point of intersection and its emitted light impinges upon said primary mirrored reflector in a pattern with an unsymmetrical distribution about said axis of revolution whereupon it is reflected to form a second light beam having a second geometric reflected beam axis;
f) a first light refracting optic for redirecting said first reflected light beam forming a first refracted light beam having a first geometric refracted beam axis;
g) means for assembly of said first light source, said second light source, said first light refracting optic, and said primary mirrored reflector to effect a spatial relationship among said first focal point, said axis of revolution, said first geometric pattern axis, said second geometric pattern axis and said first light refracting optic which cooperates with said reflective contour to enhance the parallelism of the geometric axis of said second reflected light beam and the geometric axis
of said first refracted light beam.
9. A lighting device including:
a) an exit aperture through which emitted light can pass; b) a first light source including a first luminescent element emitting light upon the application of electrical power in a first defined spatial radiation pattern having a first geometric pattern axis;
c) a second light source including a second luminescent element emitting light upon the application of electrical power in a second defined spatial radiation pattern having a second geometric pattern axis;
d) a circuit for the application of electric power to said light sources;
e) a first primary mirrored reflector including a reflective contour conforming to a concave surface of revolution;
said concave surface of revolution having;
an axis of revolution, a vertex, and a first focal point located on the concave side of said primary mirrored reflector wherein;
said first light source is positioned relative to said primary mirrored reflector such that said first geometric pattern axis intersects said primary mirrored reflector at a first point of intersection and its emitted light impinges upon said primary mirrored reflector in a pattern with an unsymmetrical distribution about said axis of revolution whereupon It is reflected to form a first reflected light beam having a first geometric reflected beam axis, and;
said second light source is positioned relative to said primary mirrored reflector such that said second geometric pattern axis intersects said primary mirrored reflector at a second point of intersection and its emitted light impinges upon said primary mirrored reflector in a pattern with an unsymmetrical distribution about said axis of revolution and is reflected to form a second light beam having a second geometric reflected beam axis;
f) a first light refracting optic for redirecting said first reflected light beam forming a first refracted light beam having a first geometric refracted beam axis;
g) means for assembly of said first light source, said second light source, said first light refracting optic and said primary mirrored reflector wherein;
a first normal line perpendicular to said primary mirrored reflector at said first point of intersection intersects said axis of revolution to form a first included angle, and;
a line between said first focal point and said first point of intersection intersects said first normal line to form a second included angle, and;
a line between said first light source and said first point of Intersection intersects said first normal line to form a third included angle, and;
a second normal line perpendicular to said primary mirrored reflector at said second point of intersection Intersects said axis of revolution to form a fourth Included angle, and;
a line between said first focal point and said second point of intersection intersects said second normal line to form a fifth included angle, and;
a line between said second light source and said second point of intersection Intersects said second normal line to form a sixth included angle, and;
the projection of said first normal line upon a refractive beam reference plane coincident with said first geometric refracted beam axis and said first focal point Intersects said first geometric refracted beam axis to form a seventh Included angle, wherein;
a first total is the sum of said first and said fourth included angles, and;
a second total is the sum of said seventh and said sixth included angles, and;
a third total is the sum of said third and said sixth included angles wherein;
the absolute value of the difference between said first and said second total is less than the absolute value of the difference between said first and said third total.
10. A lighting device including:
a) an exit aperture through which emitted light can pass; b) a first light source including a first luminescent element emitting light upon the application of electrical power in a first defined spatial radiation pattern having a first geometric pattern axis;
c) a second light source including a second luminescent element emitting light upon the application of electrical power in a second defined spatial radiation pattern having a second geometric pattern axis;
d) a circuit for the application of electric power to said light sources;
e) a first primary mirrored reflector including a reflective contour conforming to a concave surface of revolution;
said concave surface of revolution having;
an axis of revolution, a vertex, and a first focal point located on the concave side of said primary mirrored reflector wherein;
said first light source is positioned relative to said primary mirrored reflector such that said first geometric pattern axis intersects said primary mirrored reflector at a first point of intersection and its emitted light impinges upon said primary mirrored reflector in a pattern with an unsymmetrical distribution about said axis of revolution whereupon it is reflected to form a first reflected light beam having a first geometric reflected beam axis, and;
said second light source is positioned relative to said primary mirrored reflector such that said second geometric pattern axis Intersects said primary mirrored reflector at a second point of intersection and its emitted light impinges upon said primary mirrored reflector in a pattern with an unsymmetrical distribution about said axis of revolution and is reflected
to form a second light beam having a second geometric reflected beam axis;
f) a first light refracting optic for redirecting said first reflected light beam forming a first refracted light beam having a second geometric refracted beam axis;
g) a second light refracting optic for redirecting said second reflected light beam forming a second refracted light beam having a first geometric refracted beam axis;
h) means for assembly of said first light source, said second light source, said first light refracting optic said second light refracting optic and said primary mirrored reflector wherein;
a first normal line perpendicular to said primary mirrored reflector at said first point of intersection intersects said axis of revolution to form a first included angle, and;
a line between said first focal point and said first point of intersection Intersects said first normal line to form a second included angle, and;
a line between said first light source and said first point of intersection intersects said first normal line to form a third included angle, and;
a second normal line perpendicular to said primary mirrored reflector at said second point of intersection intersects said axis of revolution to form a fourth included angle, and;
a line between said first focal point and said second point of intersection intersects said second normal line to form a fifth included angle, and;
a line between said second light source and said second point of intersection intersects said second normal line to form a sixth included angle, and;
the projection of said first normal line upon a first refractive beam reference plane coincident with said first geometric refracted beam axis and said first focal point intersects said first geometric refracted beam axis to form a seventh included angle, and;
the projection of said second normal line upon a second refractive beam reference plane coincident with said second geometric refracted beam axis and said first focal point intersects said second geometric refracted beam axis to form an eighth included angle wherein;
a first total is the sum of said first and said fourth included angles, and;
a second total is the sum of said seventh and said eighth included angles, and;
a third total Is the sum of said third and said sixth included angles, wherein;
the absolute value of the difference between said first and said second total Is less than the absolute value of the difference between said first and said third total.
11. A lighting device according to Claim #1,2,3,4,8,9, and 10 wherein;
said first light source further includes a first transparent housing with a first contoured exterior surface, and;
said second light source further includes a second transparent housing with a second contoured exterior surface.
12. A lighting device according to Claim #11 wherein;
a straight line originating at said first contoured exterior surface and first passing through said first luminescent element then through said second luminescent element and finally ending at said second contoured exterior surface has a length which exceeds twice the distance between said first luminescent element and said second luminescent element .
13. A lighting device as per Claim #11 wherein;
said first transparent housing includes a light refracting optic to concentrate the light emitted by said first luminescent element before it impinges upon said primary mirrored reflector, and;
said second transparent housing includes a light refracting optic to concentrate the light emitted by said second luminescent element before It impinges upon said primary mirrored reflector,
and;
14. A lighting device as per Claim #11 wherein;
said first contoured exterior surface includes a first spherical surface, wherein;
light emitted by said first luminescent element passes through said first spherical surface before impinging upon said primary mirrored reflector, and;
said second contoured exterior surface includes a second spherical surface, wherein;
light emitted by said second luminescent element passes through said second spherical surface before impinging upon said primary mirrored reflector.
15. A lighting device as per Claim #8 thru 10 wherein;
said concave surface of revolution has a parabolic contour.
16. A lighting device as per Claim #8 thru 10 wherein;
said concave surface of revolution has an elliptical contour.
17. A lighting device as per Claim #8 thru 10 wherein;
said concave surface of revolution has a hyperbolic contour.
18. A lighting device as per Claim #1,2,3,4,8,9, and 10 further includes;
a solid primary transparent medium having an index of refraction exceeding 1.25 between each of said light sources and said primary mirrored reflector.
19. A lighting device as per Claim #18 wherein;
said primary transparent medium has a transmissivity through a one inch thickness of at least 75 percent when measured using light emitted by said first light source.
2ø. A lighting device as per Claim #18 wherein said primary transparent medium is a solid which is contoured and reflectorl2ed to create said primary mirrored reflector.
21. A lighting device according to Claim #20 wherein;
said solid transparent medium is further contoured to create a light refracting optic to redirect said first reflected light beam.
22. A lighting device according to Claim #18 wherein;
said solid transparent medium is an acrylic plastic.
23. A lighting device according to Claim #18 wherein;
said primary transparent medium is a liquid.
24. A lighting device as per Claim #1,2,3,4,8,9, and 10 wherein; said first light source further includes a first concave mirrored auxiliary reflector to redirect light emitted by said first luminescent element into said primary mirrored reflector, and;
said second light source further Includes a first concave mirrored auxiliary reflector to redirect light emitted by said second luminescent element into said primary mirrored reflector.
25. A lighting device as per Claim #1,2,3,4,8,9 and 10 wherein; the light energy in said first reflected light beam combines in a defined specification plane at a defined distance from said lighting device with the light energy in said second reflected light beam to form a composite projected light beam pattern.
26. A lighting device as per Claim #8 thru 10 wherein;
the light energy in said second reflected light beam combines in a defined specification plane at a defined distance from said lighting device with the light energy in said first refracted light beam to form a composite projected light beam pattern.
27. A lighting device according to Claim #25 wherein;
said defined plane is the horizontal plane.
28. A lighting device according to Claim #1,2,3,4,8,9, and 10 wherein;
said first defined spatial radiation pattern further includes a first peak intensity, and;
a first reflective zone located on a selected side of the focal plane of said primary mirrored reflector reflects the light emitted by said first light source in substantially all of the directions of said first defined spatial radiation pattern in which the emitted intensity exceeds fifty percent of said first peak intensity, and;
said second defined spatial radiation pattern further in
cludes a second peak intensity, and;
a second reflective zone located on a selected side of the focal plane of said primary mirrored reflector reflects the light emitted by said second light source in substantially all of the directions of said second defined spatial radiation pattern in which the emitted Intensity exceeds fifty percent of the peak intensity.
29. A lighting device according to Claim #1,2,3,4,8,9, and 10 wherein;
said first defined spatial radiation pattern further includes a first peak intensity, and;
a first reflective zone located on a selected side of the focal plane of said primary mirrored reflector reflects the light emitted by said first light source in substantially all of the directions of said first defined spatial radiation pattern in which the emitted intensity exceeds thirty percent of said first peak intensity, and;
said second defined spatial radiation pattern further includes a second peak intensity, and;
a second reflective zone located on a selected side of the focal plane of said primary mirrored reflector reflects the light emitted by said second light source in substantially all of the directions of said second defined spatial radiation pattern in which the emitted intensity exceeds thirty percent of the peak intensity.
30. A lighting device according to Claim #28 wherein;
said first reflective zone does not Include said vertex, and;
said second reflective zone does not include said vertex.
31. A lighting device according to Claim #1,2,3,4,8,9, and 10 wherein;
the projection of said first geometric pattern axis upon a first axial reference plane coincident with said axis of revolution and said first point of intersection intersects said axis of revolution to form a first included axial angle, and;
the projection of said second geometric pattern axis upon a second axial reference plane coincident with said axis of revolution and said second point of Intersection Intersects said axis of revolution to form a second included axial angle, wherein; the sum of said first and said second Included axial angles exceeds twenty degrees.