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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Winston; Roland
Address:
Chicago, IL
No. of patents:
50
Patents:












Patent Number Title Of Patent Date Issued
7587117 Luminaire device September 8, 2009
An optical device for collecting light and selectively outputting or concentrating the light. A layer has an optical index of refraction n.sub.1, and top, bottom and side surfaces defining an angel of inclination .phi.. A back surface spans the top, bottom and side surface. A first l
7424197 Luminaire device September 9, 2008
An optical device for collecting light and selectively outputting or concentrating the light. A layer has an optical index of referaction n.sub.1, and top, bottom and side surfaces defining an angel of inclination .phi.. A back surface spans the top, bottom and side surface. A first
7418188 Luminaire device August 26, 2008
An optical device for collecting light and selectively outputting or concentrating the light. A layer has an optical index of referaction n.sub.1, and top, bottom and side surfaces defining an angle of inclination .phi.. A back surface spans the top, bottom and side surface. A first
7209628 Luminaire device April 24, 2007
An optical device for collecting light and selectively outputting or concentrating the light. A layer has an optical index of refraction n.sub.1, and top, bottom and side surfaces defining an angel of inclination .phi.. A back surface spans the top, bottom and side surface. A first l
6993242 Luminaire device January 31, 2006
An optical device for collecting light and selectively outputting or concentrating the light. A layer has an optical index of referaction n.sub.1, and top, bottom and side surfaces defining an angel of inclination .phi.. A back surface spans the top, bottom and side surface. A first
6676263 Performance improvements of symmetry-breaking reflector structures in nonimaging devices January 13, 2004
A structure and method for providing a broken symmetry reflector structure for a solar concentrator device. The component of the optical direction vector along the symmetry axis is conserved for all rays propagated through a translationally symmetric optical device. This quantity, re
6671452 Luminaire device December 30, 2003
An optical device for collecting light and selectively outputting or concentrating the light. A layer has an optical index of referaction n.sub.1, and top, bottom and side surfaces defining an angel of inclination .phi.. A back surface spans the top, bottom and side surface. A first
6668820 Multiple reflector solar concentrators and systems December 30, 2003
The present invention relates to multiple reflector light or solar energy concentrators and systems using such concentrators. More particularly, the invention is concerned with an arrangement of optical elements for the efficient collection of light while minimizing complexities of optic
6637428 Collapsible light concentration device October 28, 2003
A collapsible light collection and/or transmission device having an axis of symmetry. The device includes opposing first and second body portions each having a curved inner reflective surface and an outer surface. The first body portion is pivotally coupled to the second body portion alo
6541694 Nonimaging light concentrator with uniform irradiance April 1, 2003
A nonimaging light concentrator system including a primary collector of light, an optical mixer disposed near the focal zone for collecting light from the primary collector, the optical mixer having a transparent entrance aperture, an internally reflective housing for substantially t
6467916 Light transmission device October 22, 2002
A non-imaging optical system for operating on light using broken symmetry reflector surfaces (30). The theoretical upper limit for concentration of direct solar radiation at low latitudes with stationary concentrators is determined from the projected solid angle sampled by the apparent m
6335999 Multilayer luminaire device January 1, 2002
An optical device for collecting light and selectively outputting or concentrating the light. A layer has an optical index of referaction n.sub.1 l, and top, bottom and side surfaces defining an angel of inclination .phi.. A back surface spans the top, bottom and side surface. A firs
6244264 Non-imaging optical illumination system June 12, 2001
A passive solar collector has a reflector or a plurality of reflectors in a tube that is in a partial vacuum and is entirely or partly transparent. An absorber collects light reflected by the reflector or plurality of reflectors and delivers energy from the collected light to a central t
6205998 Solar concentrator gap and receiver design March 27, 2001
A gap between absorber and reflector of a solar concentrator. A gap is required in a solar concentrator for thermal isolation reasons and the position of the receiver relative to reflector and a notch are optimized for best solar collection efficiency.
6177761 LED with light extractor January 23, 2001
In apparatus to extract light from an LED, the combination includes a cylindrical body consisting of light transmitting material, the body having a cylindrical outer wall; a pyramidal body having at least three sides and consisting of light transmitting material, the pyramidal body l
6044840 Nonimaging solar collector April 4, 2000
A nonimaging solar collector. A method and article of manufacture of a solar collector includes an outer housing transparent to light, a reflector element positioned asymmetrically within the outer housing, an absorber disposed within the outer housing, and a heat conduction fin coup
6044196 Luminaire device March 28, 2000
An optical device for collecting light and selectively outputting or concentrating the light. A layer has an optical index of referaction n.sub.1, and top, bottom and side surfaces defining an angel of inclination .phi.. A back surface spans the top, bottom and side surface. A first
6019485 Nonimaging optical illumination system February 1, 2000
A nonimaging illumination optical device for producing a selected far field illuminance over an angular range. The optical device includes a light source 102, a light reflecting surface 108, and a family of light edge rays defined along a reference line 104 with the reflecting surface 10
6002829 Luminaire device December 14, 1999
An optical device for collecting light and selectively outputting or concentrating the light. A layer has an optical index of referaction n.sub.1, and top, bottom and side surfaces defining an angel of inclination .phi.. A back surface spans the top, bottom and side surface. A first
5971551 Nonimaging optical concentrators and illuminators October 26, 1999
A nonimaging concentrator (or illuminator) of light. The concentrator (or illuminator) has a shape defined by dR/d.phi.=Rtan.alpha. where R is a radius vetor from an origin to a point of reflection of a light edge ray from a reflector surface and .phi. is an angle between the R vector an
5967140 Nonimaging solar collector October 19, 1999
A nonimaging solar collector. A method and article of manufacture of a solar collector includes an outer housing transparent to light, a reflector element position asymmetrically within the outer housing, an absorber disposed within the outer housing, and a heat conduction fin couple
5927271 Nonimaging solar collector July 27, 1999
A nonimaging solar collector. A method and article of manufacture of a solar collector includes an outer housing transparent to light, a reflector element positioned asymmetrically within the outer housing, an absorber disposed within the outer housing, and a heat conduction fin coup
5816693 Nonimaging optical illumination system October 6, 1998
A nonimaging illumination optical device for producing a selected far field illuminance over an angular range. The optical device includes a light source 102, a light reflecting surface 108, and a family of light edge rays defined along a reference line 104 with the reflecting surface 10
5610768 Nonimaging radiant energy device March 11, 1997
A nonimaging radiant energy device may include a hyperbolically shaped reflective element with a radiant energy inlet and a radiant energy outlet. A convex lens is provided at the radiant energy inlet and a concave lens is provided at the radiant energy outlet. Due to the provision o
5594830 Luminaire device January 14, 1997
An optical device for collecting light and selectively outputting or concentrating the light. A wedge layer has an optical index of refraction n.sub.1, and top, bottom and side surfaces intersecting to define an angle of inclination .phi.. A back surface spans the top, bottom and side
5586013 Nonimaging optical illumination system December 17, 1996
A nonimaging illumination optical device for producing a selected far field illuminance over an angular range. The optical device includes a light source 102, a light reflecting surface 108, and a family of light edge rays defined along a reference line 104 with the reflecting surface 10
5557478 Nonimaging radiant energy device September 17, 1996
A nonimaging radiant energy device may include a hyperbolically shaped reflective element with a radiant energy inlet and a radiant energy outlet. A convex lens is provided at the radiant energy inlet and a concave lens is provided at the radiant energy outlet. Due to the provision o
5537991 Nonimaging solar collector July 23, 1996
A nonimaging solar collector. A method and article of manufacture of a solar collector includes an outer housing transparent to light, a reflector element positioned within the outer housing, an absorber concentrically disposed relative to the outer housing, and a heat conduction fin
5528720 Tapered multilayer luminaire devices June 18, 1996
An optical device for collecting light and selectively outputting or concentrating the light. A wedge layer has an optical index of refraction n.sub.1, and top, bottom and side surfaces intersecting to define an angle of inclination .phi.. A back surface spans the top, bottom and side
5491620 Light source illumination system February 13, 1996
An illumination system having a concave minor for imaging a light source. The illumination system includes a light source, a first concave minor for imaging the light source and a second concave minor for reimaging the imaged light source at another location. The system timber includes a
5416325 Fourier transform infrared spectrometer May 16, 1995
A Fourier transform infrared spectrometer. A system includes a non-imaging concentrator coupled to an infrared detector enabling optimized detection of a signal in the Fourier transform infrared spectrometer.
5335152 Nonimaging optical illumination system August 2, 1994
A nonimaging illumination optical device for producing selected intensity output over an angular range. The device includes a light reflecting surface (24, 26) around a light source (22) which is disposed opposite the aperture opening of the light reflecting surface (24, 26). The light
5303322 Tapered multilayer luminaire devices April 12, 1994
An optical device for collecting light and selectively outputting or concentrating the light. A wedge layer has an optical index of refraction n.sub.1, and top, bottom and side surfaces intersecting to define an angle of inclination d. A back surface spans the top, bottom and side surfac
5289356 Nonimaging optical illumination system February 22, 1994
A nonimaging illumination or concentration optical device. An optical device is provided having a light source, a light reflecting surface with an opening and positioned partially around the light source which is opposite the opening of the light reflecting surface. The light reflecting
5243459 Nonimaging radiant energy device September 7, 1993
A nonimaging radiant energy device may include a hyperbolically shaped reflective element with a radiant energy inlet and a radiant energy outlet. A convex lens is provided at the radiant energy inlet and a concave lens is provided at the radiant energy outlet. Due to the provision o
5237641 Tapered multilayer luminaire devices August 17, 1993
An optical device for collecting light and selectively outputting or concentrating the light. A layer has an optical index of refraction n.sub.1, and top, bottom and side surfaces intersecting to define an angle of inclination .phi.. A back surface spans the top, bottom and side surf
5005958 High flux solar energy transformation April 9, 1991
Disclosed are multi-stage systems for high flux transformation of solar energy allowing for uniform solar intensification by a factor of 60,000 suns or more. Preferred systems employ a focusing mirror as a primary concentrative device and a non-imaging concentrator as a secondary con
4956759 Illumination system for non-imaging reflective collector September 11, 1990
A first concave mirror collects the light emitted by a light source in a first half space and forms a first image of the light source at a point proximate thereto. A second larger concave mirror opposite the first mirror forms second and third images from the respective source and first
4483007 Energy transmission with respect to convex sources and receivers November 13, 1984
Devices for transmission of radiant energy from a convex source to a convex receiver wherein a concave wall reflects rays of selected angularity of source onto the receiver at a selected angularity and in a single reflection. Preferred devices permit transmission of extreme energy rays
4387961 Compound parabolic concentrator with cavity for tubular absorbers June 14, 1983
A compond parabolic concentrator with a V-shaped cavity is provided in which an optical receiver is emplaced. The cavity redirects all energy entering between the receiver and the cavity structure onto the receiver, if the optical receiver is emplaced a distance from the cavity not great
4359265 Controlled directional scattering cavity for tubular absorbers November 16, 1982
A specular cavity is provided in which an optical receiver is emplaced. The cavity is provided with a series of V groove-like indentations (or pyramidal-type indentations) which redirect energy entering between the receiver and cavity structure onto the receiver. The aperture opening of
4240692 Energy transmission December 23, 1980
Disclosed are radiant energy transmitting devices operative selectively in concentrative and emissive modes, having transmitting elements including radiant energy transmitting and guiding surfaces at the interface of media of differing indices of refraction for radiant energy. Surfaces g
4237332 Nonimaging radiant energy direction device December 2, 1980
A raidant energy nonimaging light direction device is provided. The device includes an energy transducer and a reflective wall whose contour is particularly determined with respect to the geometrical vector flux of a field associated with the transducer.
4230095 Ideal light concentrators with reflector gaps October 28, 1980
A cylindrical or trough-like radiant energy concentration and collection device is provided. The device includes an energy absorber, a glazing enveloping the absorber and a reflective wall. The ideal contour of the reflective wall is determined with reference to a virtual absorber and no
4130107 Solar concentrator with restricted exit angles December 19, 1978
A device is provided for the collection and concentration of radiant energy and includes at least one reflective side wall. The wall directs incident radiant energy to the exit aperture thereof or onto the surface of energy absorber positioned at the exit aperture so that the angle of in
4114592 Cylindrical radiant energy direction device with refractive medium September 19, 1978
A device is provided for directing radiant energy and includes a refractive element and a reflective boundary. The reflective boundary is so contoured that incident energy directed thereto by the refractive element is directed to the exit surface thereof or onto the surface of an energy
4045246 Solar cells with concentrators August 30, 1977
The invention provides a unique arrangement for cooling solar cells that are associated with collectors for collecting solar radiation and concentrating the same on the solar cells.The solar energy concentrators are each characterized by having a chamber with a solar radiation transm
4003638 Radiant energy collection January 18, 1977
Disclosed are non-imaging systems and devices for collection and concentration of electromagnetic energy and particularly solar energy including one or more longitudinally-extending, generally trough-shaped bodies having curving inner reflective walls for concentration of energy from
4002499 Radiant energy collector January 11, 1977
An electromagnetic energy collection device is provided which does not require a solar tracking capability. It includes an energy receiver positioned between two side walls which reflect substantially all incident energy received over a predetermined included angle directly onto the
3957031 Light collectors in cylindrical geometry May 18, 1976
A device is provided for collecting electromagnetic energy developed by an energy source of finite dimension and of finite distance from the collection device. It includes an energy absorber positioned between two side walls which reflects substantially all incident energy received from










 
 
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