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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 7441160 | File system for a stage lighting array system A file system for a stage lighting system that maintains the different files associated with the stage lighting system. Each of the files that can represent an effect are maintained within the system within a configuration file. The configuration file can be updated... | 10/21/2008 |
| 7438437 | LED lamp assembly An exemplary LED lamp includes a housing, a printed circuit board, at least one LED, a light reflective module and a lamp cover. The printed circuit board is positioned on a bottom of the housing. The LED electrically connects with the printed circuit board. The lig... | 10/21/2008 |
| 7327321 | Electromagnetic radiation assembly An electromagnetic radiation assembly is described and which includes a reflector having discrete first and second surfaces; a first electromagnetic radiation emitter positioned adjacent to the first surface; and a second electromagnetic radiation emitter positioned... | 02/05/2008 |
| 7325950 | Headlight antiglare device An antiglare device comprises a housing for coupling to a headlight of a vehicle. Surfaces of the housing which face a passenger side of the vehicle are reflective to encourage reflection of light away from oncoming traffic while surfaces of the housing facing towar... | 02/05/2008 |
| 7293908 | Side emitting illumination systems incorporating light emitting diodes The invention is a side-emitting illumination system that incorporates a light emitting diode. The side-emitting illumination system recycles a portion of the light internally generated by a light emitting diode back to the light emitting diode as externally inciden... | 11/13/2007 |
| 7290903 | Projection display A projection display includes a housing, a display panel, a power plug for electrically connecting to an external power source and receiving power provided by the external power source, a light source electrically connected to the power plug for emitting light onto ... | 11/06/2007 |
| 7281829 | Vehicle headlight A main reflector has a main reflection-surface based on an ellipsoid of revolution. A light source is arranged substantially at a first focal-point of the main reflection-surface. A shade arranged substantially at a second focal-point of the main reflection-surface ... | 10/16/2007 |
| 7273297 | Novelty product with chemiluminescent and LED lighting system A device combining a chemiluminescent and an LED lighting element. By way of illustration, depicted is a stylized “cartoon” ghost representation having a first portion and a second portion, the first portion including a cavity for receipt of the chemiluminescent... | 09/25/2007 |
| 7253959 | Method and apparatus for distributing the flux density of a light flow For distributing the flux density of an input light flow (11), this input light flow is split-up in at least two light flows (12, 13) comprising different cross-sectional parts of the input light flow (11), and an output light flow (15) i... | 08/07/2007 |
| 7253929 | Camera assembly for a printing press A camera assembly for use in scanning a paper substrate of a printing press including a housing, a camera mounted within the housing, a light source, and at least one mirror. ... | 08/07/2007 |
| 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 |
| 7213947 | Multiple output illumination using reflectors A multiple output illumination system includes a first and second reflectors each having an optical axis and a first and second focal points substantially on the optical axis. In one embodiment, one of the focal points of each reflector are proximate to one another,... | 05/08/2007 |
| 7210822 | Combination structure for hollow integration rod The present invention is a combination structure for a hollow integration rod, wherein each reflective plate of the hollow integration rod has at least one convexity and at least one concavity. As the hollow integration rod is assembled, each two adjacent reflective... | 05/01/2007 |
| 7195375 | Compact, high-efficiency, energy-recycling illumination system A compact light-beam homogenizer is realized by multiple reflections within internally-reflecting optical channels which are arranged in a folded configuration. The optical channels may be hollow with mirrored walls, or made of a solid transparent optical material. ... | 03/27/2007 |
| 7178943 | Luminaire with counter-reflector and refractor A luminaire (1) comprising a concave reflector (2) enclosing a hollow space (3) and defining with an outer edge (4) a light emission window (5). The luminaire can accommodate at least two lamps (6, 7). The luminaire further ... | 02/20/2007 |
| 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 |
| 7172318 | Light tunnel and projection system utilizing the same A projection system and a light tunnel applied in the projection system. The light tunnel comprises a first reflector, a second reflector, a third reflector, a fourth reflector, a light entrance, and a light exit. A distance between the third and fourth reflectors g... | 02/06/2007 |
| 7152987 | Instrument for vehicle An instrument for a vehicle, by which an instrument board thereof can be seen as well at night as in the daytime is provided. In the instrument, an illuminating panel 50 including a prism sheet 50a transforms light from an LED 50b ... | 12/26/2006 |
| 7147903 | High efficiency optical devices Optical devices such as backlight assemblies, according to the present invention include a multilayer optical film in which at least one of the layers comprises an oriented birefringent polymer. The multilayer optical film exhibits low absorptivity and can reflect l... | 12/12/2006 |
| 7144131 | Optical system using LED coupled with phosphor-doped reflective materials To improve semiconductor-based systems for generating white light, a phosphor is integrated into a reflective material of an external structure. A disclosed exemplary system, for luminance or illumination applications, utilizes an energy source package, for emitting... | 12/05/2006 |
| 7131749 | Heat distributing hybrid reflector lamp or illumination system A reflector lamp or illumination system comprising a concave reflector having a parabolic or ellipsoidal front section and a spherical rear section with it's focal point just ahead of the focal point of the front section, and a finite light source located at the foc... | 11/07/2006 |
| 7118253 | Evenly distributed illumination from radial light producing luminaires and their components A lighting assembly includes a quasi-point lamp, a ring lens at least partially surrounding the source to provide a radial beam of light shaped in the form of a disk of sectionally diverging light, and at least one refracting ring to redirect and/or change the beam ... | 10/10/2006 |
| 7108398 | Luminaire and lamellae grid A luminaire has a plurality of reflecting lamellae between side reflectors. The lamellae each have an outer edge, an inner surface facing away from the outer edge, and a plane of symmetry through the outer edge and the inner surface. The lamellae have a resin body a... | 09/19/2006 |
| 7109443 | Multi-zone reflecting device for use in flash lamp processes A method, apparatus, and system including a reflecting device having a plurality of reflecting zones with associated reflectivities for reflecting light from a flash lamp, are described herein. ... | 09/19/2006 |
| 7077546 | Illumination apparatus and liquid crystal projector using the illumination apparatus An illumination apparatus includes a reflector including a parabolic or ellipsoidal mirror, a light source arranged near a (first) focal point of the reflector, and a front mirror having a transparent window and a mirror surface symmetrical about the light axis. Lum... | 07/18/2006 |
| 7048428 | Light guide plate with convex portions having low radius of curvature tips, or low surface roughness A light guide plate made of a transparent resin includes a first main surface and a second main surface opposite to the first main surface. The first main surface has a surface portion provided with convex portions having a height in the range of 5×10−7 | 05/23/2006 |
| 7036967 | Vehicle lamp A reflector of a vehicle lamp includes a main reflector, a first sub-reflector, a second sub-reflector, and a relief portion. The main reflector includes a main reflection surface that reflects light from a light source in a forward direction. The first sub-reflecto... | 05/02/2006 |
| 7038399 | Methods and apparatus for providing power to lighting devices Methods and apparatus for providing power to devices via an A.C. power source, and for facilitating the use of LED-based light sources on A.C. power circuits that provide signals other than standard line voltages. In one example, LED-based light sources may be coupl... | 05/02/2006 |
| 7029150 | Catadioptric light distribution system A Catadioptric Light Distribution System that collects and collimates the hemispherical pattern of light emitted by a Lambertian light emitting diode (LED) into a collimated beam directed essentially parallel to the optical axis of the LED. The system comprises a ci... | 04/18/2006 |
| 7029156 | Light emitting apparatus and display An opposed reflecting mirror is provided so as to face a light source. The opposed reflecting mirror is configured to reflect light rays, emitted from the light source, so as to allow the reflected light rays to advance in a predetermined direction. A light guide bo... | 04/18/2006 |
| 7021806 | Illuminated displays An illuminated display includes a light source positioned within an optical chamber defined by a first optical element having a first reflective surface with an image thereon. A second optical element is positioned within the chamber and is spaced from the first opt... | 04/04/2006 |
| 7001048 | Reflection-diffusion structure adopted for a light guide plate A reflection-diffusion structure adopted for a light guide plate has a left wall, a right wall, and a bottom wall, which all are made of reflection materials. A top wall connects to the bottom wall, the left wall and the right wall, and a receiving cavity is formed ... | 02/21/2006 |
| 6994454 | Vehicular cornering lamp A vehicular cornering lamp which radiates beams having different light distribution patterns in accordance with different driving conditions such as different driving speed ranges. A bulb shade blocks light from a front filament from reaching a lower reflecting area... | 02/07/2006 |
| 6960010 | Polarized light emitting device for illuminating a display A lighting device has a light source for emitting lighting light for illuminating a display, and a light guide plate for changing the direction of the lighting light to the display. A polarization separation film is provided for separating polarization of the lighti... | 11/01/2005 |
| 6956876 | Method and apparatus for coupling a multimode laser to a multimode fiber A method and apparatus are disclosed for coupling a multimode laser to a multimode fiber using a multimode tapered structure. The disclosed multimode tapered structure accepts an optical beam having a highly elliptical beam shape and converts the optical beam for ac... | 10/18/2005 |
| 6942368 | Accessory cartridge for lighting fixture An accessory cartridge for removable reception in a specialized lighting fixture. A circular cartridge ring is provided with an internal lower flange, for supporting one or more flat, circular, disc-like accessory elements, such as filters. Retainer clips are positi... | 09/13/2005 |
| 6918685 | Mirror with integrated signaling assembly A signaling assembly having a reflective substrate with opposite first and second surfaces, and wherein each of the surfaces simultaneously reflects visibly discernable eleotromagnetic radiation and passes electromagnetic radiation; and an emitter for emitting visib... | 07/19/2005 |
| 6910791 | Headlight A headlight having an ellipse group reflecting surface as a main reflecting surface and a projection lens further includes a second reflecting surface, a third reflecting surface, and a ring-shaped lens. Direct light from a light source reaching to a space between t... | 06/28/2005 |
| 6893140 | Flashlight A flashlight is disclosed which includes a housing adapted to receive one or more battery cells and having a transparent lens on a forward end thereof. An LED light source connected to the cell is utilized in conjunction with collimating optics positioned adjacent t... | 05/17/2005 |
| 6886962 | Shielded reflective light-emitting diode In a shielded reflective LED, each of light sources can be surface-mounted substantially without being influenced by heat distortion based on the difference in thermal expansion coefficient between resin and metal because the light source is so small-sized that only... | 05/03/2005 |
