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Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Number | Title | Issue Date |
| 8162495 | System and method of focusing electromagnetic radiation A tracking system for reflecting electromagnetic radiation from a source to a target area, having at least one reflecting surface or mirror mounted to a support that fixes the reflecting surface orientation to focus electromagnetic radiation on the target area when ... | 04/24/2012 |
| 7736007 | Polarization linkage of high dielectric constant pivoted planar solar concentrator mirrors A highly polarizable high dielectric constant positioning and motion control of the elements (approximately planar mirrors) of a Fresnel reflector solar concentrator tracking heliostat array wherein the elements are suspended with the center of mass above the swivel... | 06/15/2010 |
| 7513630 | Compact dual ellipsoidal reflector (DER) system having two molded ellipsoidal modules such that a radiation receiving module reflects a portion of rays to an opening in the other module A compact dual ellipsoidal reflector (DER) system for illuminating a target with rays of electromagnetic radiation comprises first and second molded module. The first molded module has at least a first ellipsoidal reflector section comprising an optical axis, a firs... | 04/07/2009 |
| 7434947 | Adaptive phase mask for producing a phase shift in incident light Systems and methods for shifting the phase of incident light to induce a continuous phase variation in an azimuthal direction. A phase mask apparatus includes a conical mirror assembly and a flexible annular reflector that substantially surrounds at least a portion ... | 10/14/2008 |
| 7364326 | Multiple light source illumination for image display systems A method for transmitting light in an image display system includes generating a first cone of light from a first light source. The first cone of light includes a plurality of light beams. A first portion of the first cone is projected in an illumination path. A sec... | 04/29/2008 |
| 7354168 | Facet mirror having a number of mirror facets A facet mirror (10) is provided with a number of mirror facets (11), in which the mirror facets (11) respectively have a spherical or conical facet body (17) with a reflecting surface (12). The side of the facet body (17) av... | 04/08/2008 |
| 7341774 | Electronic and opto-electronic devices fabricated from nanostructured high surface to volume ratio thin films An electronic or opto-electronic device or a chemical sensor comprising: an interpenetrating network of a nanostructured high surface area to volume ratio film material and an organic/inorganic material forming a nanocomposite. The high surface area to volume film m... | 03/11/2008 |
| 7338178 | Interstellar light collector Devices and methods that collect, concentrate, and disperse celestial light into spectra of different wavelengths by utilizing a large collection mirror and a means for dispersion located at a focal point. ... | 03/04/2008 |
| 7312846 | Lithographic apparatus and device manufacturing method An off-axis alignment system in a lithographic projection apparatus uses broadband radiation to illuminate a phase grating on the wafer. The broadband radiation source may include fluorescent materials, e.g. Yag:Ce or ND:Yag crystals illuminated by excitation light.... | 12/25/2007 |
| 7309398 | Composite backed prestressed mirror for solar facet A glass structure, such as a mirror facet, having a glass member, a composite structure and a support structure. The composite structure includes a rigid interlayer which is bonded to the glass member and exerts a compressive force thereon to place the glass member ... | 12/18/2007 |
| 7309926 | Solar-powered pumping device A solar-powered pumping device comprising: a solar power converter for generating power from sunlight; a pump driven by power from said solar power converter; an actuator for controlling the orient... | 12/18/2007 |
| 7281809 | Open lattice mirror structure and method of making same A method of making a mirror structure includes assembling a supporting isogrid framework, assembling an isogrid back plane, interconnecting the supporting isogrid framework with the isogrid back plane by a truss core, and disposing an optical surface on the supporti... | 10/16/2007 |
| 7281833 | LED vehicle lamp including reflector with paraboloidal sections A vehicle lamp includes a set of alternatively provided first and second reflection surfaces that reflect the light emitted by a first and second respective diodes toward a lamp lens. Each of the first and second reflection surface is a part of a rotational parabolo... | 10/16/2007 |
| 7277064 | Satellite dish facade with magnet A facade or cover for a satellite dish has a magnet or magnetic base by which the facade is removably attachable to the parabolic structure of the satellite dish. The magnet or magnetic base is magnetically attracted to the metal composition of the parabolic structu... | 10/02/2007 |
| 7277641 | Multiple access space communications optical system using a common telescope aperture The present invention relates to a multiple access space laser communications optical system. According to the present invention, multiple optical signals containing a number of channels are simultaneously received and demultiplexed at a multiple access communicatio... | 10/02/2007 |
| 7270431 | Illumination device and its use To provide an illumination beam (5) which is essentially homogeneous in cross-section, in particular for a laser scanning microscope (15), an illumination device is used which provides an original beam which is essentially rotationally symmetric in cro... | 09/18/2007 |
| 7267448 | Ellipsoid vehicular mirror A mirror assembly is provided having a base member and a dome lens member. The dome lens member has a varying dome lens radius of curvature with a center surface portion having a center surface radius of curvature and a peripheral surface portion having a peripheral... | 09/11/2007 |
| 7268855 | Projection optical system Disclosed is a projection optical system for projecting a pattern of a mask placed on an object plane, onto a substrate placed on an image plane. The projection optical system is arranged so that an intermediate image of the pattern formed on the mask, is formed bet... | 09/11/2007 |
| 7252108 | Collapsible shelter with flexible, collapsible canopy The collapsible shelter includes a truss and a canopy framework that provides a flexible, collapsible canopy that is capable of flexing and moving, in whole or in part, between a raised position and lower positions having a reduced profile from the raised position. ... | 08/07/2007 |
| 7244954 | Collector having unused region for illumination systems using a wavelength ≦193 nm There is provided a collector for illumination systems for light having a wavelength ≦193 nm comprising. The collector includes (a) a first mirror shell adjacent to, and positioned inside of, a second mirror shell around a common axis of rotation, in which the fir... | 07/17/2007 |
| 7241020 | High definition vehicular mirror A vehicle mirror assembly having a housing or base member, a mirror lens and a gasket. The mirror lens is provided in the shape of a portion of an end of an ellipsoid. The lens has a varying radius of curvature. The center portion of the lens has a smaller radius of... | 07/10/2007 |
| 7237914 | Light condenser A light condenser suitable for EUV lithography that includes reflective rings concentric to an optical axis. Each ring has a reflective surface to reflect light rays emanating from a light source so that the light rays converge towards a mask to produce Köhler illu... | 07/03/2007 |
| 7235918 | Thermally-conductive plastic articles having light reflecting surfaces A thermally-conductive polymer composition suitable for making molded reflector articles having light-reflecting surfaces is provided. The composition comprises: a) about 20% to about 80% by weight of a base polymer matrix such as polycarbonate; and b) about 20% to ... | 06/26/2007 |
| 7220035 | Compact, high-efficiency illumination system for video-imaging devices An illumination system for a video-imaging device has a light source and a collector of light from the light source. The collector is formed according to the principles of non-imaging optics and receives a portion of the light from the light source. The collector is... | 05/22/2007 |
| 7216463 | Camouflaged structure and method of camouflaging a structure against a background having a generally uniform composition A camouflaged structure and a method of camouflaging a structure against a background having a generally uniform composition of hue, saturation and brightness. In one embodiment, the camouflaged structures comprises a cell tower (100) camouflaged to decrease ... | 05/15/2007 |
| 7213931 | Method for reflecting radiation emanating from a source A method for effecting solar radiation in space prior to the solar radiation reaching Earth. The method includes the steps of choosing a location between the Earth and the sun, focusing reflected solar radiation from two reflectors upon the location, monitoring sola... | 05/08/2007 |
| 7208324 | Liquid composition for forming ferroelectric thin film and process for producing ferroelectric thin film It is an object to provide a liquid composition for forming a thin film, with which a ferroelectric thin film having excellent characteristics can be prepared even by baking at a low temperature, and a process for producing a ferroelectric thin film using it. The ab... | 04/24/2007 |
| 7207327 | Feedback control method for a heliostat An instrument for a solar energy system including a receiver and a heliostat to reflect solar energy on to the receiver. The instrument includes a first element adapted to form an image of the sun, a second element adapted to form an image of the receiver, and a det... | 04/24/2007 |
| 7192146 | Solar concentrator array with grouped adjustable elements A ground-based tracking heliostat array comprises a first plurality of elongate row mounts. The elongate row mounts are positioned at least partially between, and are supported by, a first side bracket and a second side bracket. The row mounts are rotatable in a fir... | 03/20/2007 |
| 7190531 | Concentrating type solar collection and daylighting system within glazed building envelopes A Fresnel lens including a substantially polygonal focusing portion adapted to focus solar radiation to a area having the same geometry as the focusing portion of the lens. Also a solar module including the Fresnel collecting lens and a substantially polygonal photo... | 03/13/2007 |
| 7178948 | Light collection system A light collection system includes a substantially elliptical first reflector that defines first and second focal points on an axis. The first reflector has an annular region that encompasses the first focal point. The annular region has a width W that is the distan... | 02/20/2007 |
| 7178922 | Lamp, condensing optical system, and image display device A lamp has a deformed lamp reflector and a lamp front glass. The deformed lamp reflector is made by deforming an ellipsoid of revolution of a conventional lamp reflector into an aspherical reflection surface rotationally symmetrical with respect to an optical axis. ... | 02/20/2007 |
| 7164824 | Waveguide turn for a waveguide circuit A waveguide turn having two waveguides oriented at an angle with respect to one another and optically coupled to one another by a reflective surface. In one embodiment, the reflective surface is a side of a trench formed in the core and cladding regions of the waveg... | 01/16/2007 |
| 7161729 | Array of micromirror array lenses An array of micromirror array lenses is invented. The micromirror array lens consists of many micromirrors and actuating components. Each micromirror array lens is variable focal length lens with high speed focal length change. The lens can have arbitrary type and/o... | 01/09/2007 |
| 7156531 | Parabolic concentrator The present invention discloses a parabolic dish-shaped electromagnetic wave front concentrator composed of a plurality of petal like identical interchangeable segments. The segment are comprised of an anterior concave layer made of a reflective material, an anterio... | 01/02/2007 |
| 7134759 | Ellipsoid vehicular mirror A vehicle mirror assembly is provided comprising a base. The base comprises a first base portion defined by a first base longitudinal line and a first base periphery. The first base portion has a first base radius of curvature. The base further includes a second bas... | 11/14/2006 |
| 7115851 | Heliostat device Heliostat devices are disclosed. A disclosed heliostat device comprises planar reflectors and their frame, an azimuth angle adjusting mechanism and an altitudinal angle adjusting mechanism, and a sunlight tracking sensor. This device can perform sun tracking and acc... | 10/03/2006 |
| 7109461 | Solar tracking system The invention provides a solar tracking system for controlling the alignment of an instrument with respect to the sun, the instrument having a solar radiation receiver and a solar radiation collector for collecting solar radiation and directing the radiation towards... | 09/19/2006 |
| 7100333 | Loop assemblies having a central link Improved reversibly expandable structures are formed from novel loop assemblies comprising a plurality of links, each of said links having at least one center pivot joint and a plurality of end pivot joints, each of at least two of said plurality of end pivot joints... | 09/05/2006 |
| 7090362 | Facet mirror having a number of mirror facets In a facet mirror with a number of mirror facets, wherein the mirror facets are provided with reflecting surfaces, the mirror facets are mounted jointly in a basic body via bearing devices. The mirror facets comprise mirror bodies contacting at the periphery with th... | 08/15/2006 |
