Quotables
"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 7399097 | Modular filtering and reflective system for photographic use A modular filtering and reflective system for photographic use is herein disclosed which provides for the precise modification of virtually any type of light pattern. The system is particularly adapted for use with conventional soft boxes, or a bendable panel frame ... | 07/15/2008 |
| 7397984 | Light guide screen louver device In a particular embodiment, the louver device includes a transparent layer of material having a first surface and, parallel thereto, a second surface. A plurality of shaped louver members are disposed within the transparent layer of material. The shaped louver membe... | 07/08/2008 |
| 7287878 | LED sign cover and method of manufacture A cover for a LED sign is manufactured from a stainless steel sheet that is dimensionally larger than the array of light emitting diodes comprising the LED sign. The stainless steel sheet is laser cut and then bent to simultaneously form a plurality of apertures and... | 10/30/2007 |
| 7284881 | LED fixing device of a pixel module and method for manufacturing the same An LED fixing device of a pixel module for a sign board is provided. The LED fixing device is installed on a front side of an LED panel of a road sign board, facilitates the downward flow of rainwater, and prevents the rainwater from being introduced into a pixel mo... | 10/23/2007 |
| 7201496 | Luminaire and lamellae louver therefor A luminaire has side reflectors having edges defining the width W of a light-emission window, and a plurality of lamellae, which have a concave outer edge in the light-emission window and an inner face remote from that window. In the centers of the lamellae, the lam... | 04/10/2007 |
| 7198388 | Curved flexible light control grids with rigid framework Light control grids in curved ceilings or walls include an assembly of flexible, spaced-apart sets of fabric strips that intersect and interlock, one of the sets of strips being substantially curved along its length and/or of varying length. The grids are supported ... | 04/03/2007 |
| 7121689 | Lighting fixture having spring mounted louvers A lighting fixture is provided having an easily and efficiently installable and removable louver assembly. The lighting fixture has a housing that has a first wall and a second wall and an opening between the first and second walls. At least one spring latch is conn... | 10/17/2006 |
| 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 |
| 7096633 | Method of hanging a false cloth ceiling A false ceiling having flexible material connected to an elongate U-shaped beam or rail, the beam fixedly connected to existing trusses via clamps. The U-shaped beam has a pair of vertical flanges with inner surfaces for receiving an end portion of the flexible mate... | 08/29/2006 |
| 7090379 | Bi-material anti-dazzle raster for tubular light sources A bi-material, anti-dazzle raster for tubular light sources includes, for example, at least two side pieces and a plurality of transverse partitions that extend between the pieces. The side pieces are made of a relatively rigid and resistant material and the partiti... | 08/15/2006 |
| 7083303 | Operating theater lamp having adjustable diaphragm An operating theater lamp has at least one lamp body with a discharge lamp, which illuminates a site of an operation via optical means. The illuminance of the operating theater lamp can be changed in the region of the site of the operation by a mechanically adjustab... | 08/01/2006 |
| 7055966 | Illuminator and projector When a video signal is inputted to a projector (10) through a video input terminal, a luminance peak value of an image of the video signal is detected by an image-analyzing circuit (61) to be outputted to a CPU (71). A gain-adjusting circuit ( | 06/06/2006 |
| 7036960 | Light louver post A light fixture for mounting a light and one or more electrical devices to either the ground or a structural surface. The light fixture includes an integral rectangular base assembly with a plurality of vertical framing members. A light transmitting tube is slidingl... | 05/02/2006 |
| 6984061 | Covert infrared landing light An infrared landing light is disclosed including a housing adapted for mounting in an aircraft, a lamp positioned within the housing and adapted to produce light having an infrared portion, and a louver positioned within the housing and adapted to receive the light ... | 01/10/2006 |
| 6966673 | Light distribution control device, blind, partition, curtain, tent and illuminator A light distribution control device including a substantially plate-like or film-like light diffusion structure which transmits or reflects light and at least one surface of which has a number of ridges arranged parallel to each other. The section of each ridge take... | 11/22/2005 |
| 6945670 | Luminaire There is proposed a luminaire (10) with which the exit angle of the light beams is restricted for the purpose of anti-dazzling. Further, in accordance with the invention there is attained in a simple manner and in particular without the employment of a light ... | 09/20/2005 |
| 6905219 | Display device A display device having an indicator interposed between two light controlling elements. The light controlling elements act in cooperation to restrict the viewing angle of the display in at least two directions. Only one of the light collimating elements restricts th... | 06/14/2005 |
| 6883946 | Filtered light Filtered lights reduce the blinding effect of vehicle headlights on oncoming traffic. A reflector has a bulb socket protruding from its rear and a filter housing attached to its front. A plurality of hollow, opaque tubes are arranged so that light cannot penetrate b... | 04/26/2005 |
| 6865023 | System for collecting and displaying images to create a visual effect and methods of use The present invention relates in general to a system (and its methods of use) for collecting and displaying images so as to create a visual effect and, more particularly but not by way of limitation, a three-dimensional visual effect. ... | 03/08/2005 |
| 6821002 | Lightbox lampshade This invention combines a lampbox and lampshade. The lampbox lampshade provides a uniform illumination for the transmitted light viewing of photographic slides removably attached to the outside of the lampshade. Optimum viewing conditions are insured by the fact tha... | 11/23/2004 |
| 6705746 | Controlled-luminance lighting device A controlled-luminance lighting device comprising a fluorescent light source of a linear type (5), which extends longitudinally between a reflector (1) that is formed by an elongated body having a curved surface, and a set of transverse fins (3)... | 03/16/2004 |
| 6698909 | Non-glaring, aesthetically pleasing lighting fixtures The invention provides in preferred aspects architectural lighting structures that comprise a plurality of tubular elements at least partially embedded into an at least substantially transparent lens structure of a lighting fixture. The lighting fixture i... | 03/02/2004 |
| 6582098 | Parabolic louver and side light seal A parabolic louver and side light seal are disclosed for use in an overhead lighting system. The parabolic louver comprises a series of ultra-thin, lightweight stringers and baffles arranged perpendicular to one another and securely connected via "snap-fi... | 06/24/2003 |
| 6550937 | Louvered screen to control light A transparent base panel has embedded therein a series of uniformly, sized, shaped and spaced louvers that extend outwardly from the base panel at an angle ଲ, to optimize light flowing in a direction from an inner surface toward an outer surface whi... | 04/22/2003 |
| 6523980 | Optical element for deflecting light beams and method of production An optical element for deflecting light beams is formed form a plate-like core or element 1 of transparent material having tapered microprisms 2 one side, with furrows 7 formed between the microprisms, the furrows being covered with a reflective layer 12,... | 02/25/2003 |
| 6467935 | Transparent pane arrangement A transparent pane arrangement with a prescribed installation alignment comprises at least one transparent substrate and at least two mutually spaced layers made from a material with variable transmission properties for visible light and/or thermal radiat... | 10/22/2002 |
| 6457844 | Light distributor for a lighting device and lighting device and use of a lighting device A lighting device has a light source and a light distributor arranged under it. Said light distributor has a distributor element which preferably consists of sheet metal and has an extensive main section with an incidence side facing the light source and ... | 10/01/2002 |
| 6439736 | Flattenable luminaire A luminaire for suspended ceilings, which permits improved packing density for warehousing and shipping. The reflector of the luminaire is designed to permit it to be shipped in a flattened state. This increases the packing density and eliminates shipping... | 08/27/2002 |
| 6435693 | Lighting assemblies for mounting in suspended ceiling configured to permit more compact shipment and storage A troffer which can be shipped to the retailer or job site in several pieces and assembled on site. The reflector portion of the troffer is shaped, such that, one reflector can be shipped within another. This allows any number of reflectors to be nested t... | 08/20/2002 |
| 6416205 | Lamp protecting device A lighting fixture mounting device comprises a U shape channel having a bottom plate, side walls, extruding portions extruding sideward from both sides of the bottom plate and a wiring hole bored through the bottom plate. The lighting fixture is attached ... | 07/09/2002 |
| 6402345 | Louver assembly with translucent louver baffles A translucent louver assembly is provided with one or more translucent louver baffles and a plurality of opaque baffles. The baffles are mounted in a lighting fixture housing such that the assembly defines a plurality of discrete light-directing cells. Th... | 06/11/2002 |
| 6390650 | Screenprinted uniformity filter for large area pulse solar simulator An apparatus and method for providing uniform intensity light is disclosed. The apparatus comprises a transparent sheet, substantially transparent at a wavelength region of interest, and a line pattern, printed on a first side of the transparent sheet. Th... | 05/21/2002 |
| 6341877 | Bollard light A bollard light with enhanced function of diffusing lamp light with a special light colour effect. A transparent coloured diffuser rim is retrofitted onto a clear diffuser lens. The transparent coloured diffuser rim serves to diffuse lamp light with a spe... | 01/29/2002 |
| 6325523 | Display case with lens lighting system A display case lighting system having a lens positioned inside a display came adjacent a light source inside the case for directing light across a viewing plane within the case and reducing contrasting illumination of items displayed within the viewing pl... | 12/04/2001 |
| 6309091 | Lamp shade assembly A lamp shade together with a lamp base and light source which includes one or more flexible and stretchable translucent annular sheets with large and small ring elements on the edge portions of each sheet, one ring element of each pair being fixed to the ... | 10/30/2001 |
| 6273596 | Illuminating lens designed by extrinsic differential geometry A grid defining illumination cells having areas to pass light from a source for use in generation of a lines, wherein the grid is defined by first lines extending about one axis defined by the source, and second lines emanating from the axis to intersect ... | 08/14/2001 |
| 6260981 | Luminaires, primarily for suspended ceilings, capable of being nested to reduce shipping and storage volume A luminaire design for suspended ceilings, which permits improved packing density for the warehousing and shipping. The assembled luminaire comprises three or four parts: a reflector, a ballasted-socket, a lamp, and an optional diffuser or lens. The taper... | 07/17/2001 |
| 6247828 | Unitary extruded housing for direct-indirect luminaire A housing for a direct-indirect lighting fixture having a light baffle in the bottom opening of the fixture is fabricated from a unitary extruded part having a baffle plate integrally interconnecting sidewall portions and a central housing structure for t... | 06/19/2001 |
| 6238065 | Non-glaring aesthetically pleasing lighting fixtures A lighting structure and method of forming a lighting structure including a light transmitting lens positioned in front of a light source, whereby the light transmitting lens has a substantially non-opaque front surface and a light receiving rear surface,... | 05/29/2001 |
| 6238064 | Decorative lighting louver element A decorative lighting louver element is described in which a louver body includes opposed side surfaces. The louver body further includes a top end and a bottom end. A decorative member is sandwiched between the opposed surfaces and includes an edge that ... | 05/29/2001 |
