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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 8113674 | Storm light A storm light includes a housing having walls, a light positioned on the housing, and a battery electrically connected to the light. A control unit situated in the housing is electrically connected to the light and battery, the control unit having programming corres... | 02/14/2012 |
| 8100545 | Wireless convenience lighting system and method of making same A wireless convenience lighting system, comprises a base unit, the base unit connectable to an AC power supply, the base unit having a transmitter structure emitting at least one signal indicating one of an AC power loss or the AC power on, a remote lighting unit ha... | 01/24/2012 |
| 8066391 | Luminary A luminary has a central lamp, an emergency lamp and a control box. The emergency lamp is ring-shaped and mounted around a light-emitting end of the central lamp and has a base and a circuit board. The circuit board has an LED set and a cable set connected to the LE... | 11/29/2011 |
| 8066392 | Multi-function replaceable modular LED lamp A multi-function replaceable modular LED lamp includes a lamp base, a lampshade, a plurality of LED modules, a power supply control circuit board, and a detector. The lampshade is disposed on the lamp base. The plurality of LED modules is detachably disposed in the ... | 11/29/2011 |
| 8029151 | Back-up lighting system Embodiments of this invention provide a secondary, or back-up, lighting system for light fixtures having a primary light source. The back-up lighting system is configured to mount onto a support structure of the light fixture. The back-up lighting system includes a ... | 10/04/2011 |
| 8025418 | Electrical component, such as a lighting unit and battery charger assembly An apparatus includes a housing including an AC power input and a power tool battery port adapted to receive a power tool battery pack. A light body includes an illumination portion operable to emit light. The illumination portion is movably coupled to the housing s... | 09/27/2011 |
| 8021007 | Concealed emergency lighting equipment with complete retrofit housing and method of installation A concealed emergency lighting system that includes a lamp assembly box and a power source box and a method for installing the emergency lighting system is disclosed. The lamp assembly box has a face plate and a front door pivotably moveable between an open and a cl... | 09/20/2011 |
| 7887205 | Rotatable emergency light with direct drive motor An emergency lighting system comprises a wall unit housing that may readily be located and secured between wall studs in a conventional structure. The housing includes a rotatable door to which an emergency lamp is secured, said door being in a closed position when ... | 02/15/2011 |
| 7878668 | Deployable emergency lighting system An emergency lighting system comprising a housing further comprising a flat cover, wherein the flat cover automatically opens during an emergency condition; a removable light source located inside the housing further comprising a rechargeable battery and a wide angl... | 02/01/2011 |
| 7824046 | Deployable emergency lighting system An emergency lighting system comprising a housing further comprising a flat cover, wherein the flat cover automatically opens during an emergency condition; a removable light source located inside the housing further comprising a rechargeable battery and a wide angl... | 11/02/2010 |
| 7703934 | Power outage light socket device A power outage socket device that may be installed on a variety of lamps or light fixtures. The bottom of the device has a male connector adapted to be inserted into the light socket on the lamp or light fixture, in place of the light bulb. A female socket adapted t... | 04/27/2010 |
| 7690802 | Light emitting diode emergency lighting methods and apparatus An LED based emergency lighting system is described. Unlike a typical approach in which one lighting system provides normal ambient lighting and a second different system provides auxiliary emergency lighting, a common integrated system can be satisfactorily employe... | 04/06/2010 |
| 7645047 | Deployable emergency lighting system An emergency lighting system comprising a housing further comprising a flat cover, wherein the flat cover automatically opens during an emergency condition; a light source located inside the housing further comprising a rechargeable battery and a wide angle LED ligh... | 01/12/2010 |
| 7597448 | Product display system A product display system is disclosed. The product display system provides various means for illuminating products displayed. External and internal illumination means are disclosed, as well as internal and external power sources. In some embodiments, the displayed p... | 10/06/2009 |
| 7481546 | Low-voltage lighting apparatus An energy-efficient lighting apparatus is disclosed. The lighting apparatus includes a ballast cover. The ballast cover includes a plurality of ballast cover holes. The lighting apparatus also includes a circuit board comprising a plurality of light-emitting diodes.... | 01/27/2009 |
| 7431467 | Portable forensic lighting device Crime scene lighting devices are used in forensic criminology for illumination and investigation at crime scenes using fluorescence excitation. High radiation powers are required both for white light in the so-called general search and for the criminologically relev... | 10/07/2008 |
| 7369060 | Distributed intelligence ballast system and extended lighting control protocol A ballast for use in a multi-ballast lighting system wherein the ballasts are coupled together by a digital communication network. The ballast comprises a power circuit portion for providing an electrical current to power a lamp. The ballast further includes a senso... | 05/06/2008 |
| 7350327 | Mounting devices for exit signs and other fixtures Canopy mounting devices that cover junction boxes of various configurations and provide a pleasing, finished appearance to a resulting installation are disclosed. Certain embodiments of a canopy mounting device include a universal mounting plate integrally formed wi... | 04/01/2008 |
| 7336500 | Method and apparatus for encapsulating a printed circuit board A demonstration tool for a programmable logic device is provided. The demonstration tool includes a circuit board partially disposed within a transparent block. A collar having an opening defined therein is disposed between the transparent clock and a base of the de... | 02/26/2008 |
| 7311423 | Adjustable LED luminaire A lighting fixture apparatus includes a frame portion, a louver portion and a diffuser lens. The louver portion includes a baffle system for passing unobstructed at least a portion of the light impinging thereon. The diffuser lens includes a surface for diffusing li... | 12/25/2007 |
| 7296908 | Housing with releasable front and back portions with electrical connection means Housings for emergency unit luminaires with a front portion that includes a printed circuit board and other operational components and a back portion that includes electrical contacts configured to connect to a source of external power. When the front and back porti... | 11/20/2007 |
| 7290905 | Trim panel assembly having a pivotal light mechanism A trim panel assembly having a first housing, a second housing, and a pivotal light mechanism configured to swivel relative to the first and second housings. ... | 11/06/2007 |
| 7273290 | Display device having automated lamp replacement A display device includes a lamp having an output light beam, wherein the lamp is disposed in a lamp alignment position when it projects the output light beam A spatial light modulator receives the output light beam and controllably spatially modulates the intensity... | 09/25/2007 |
| 7258467 | Low profile direct/indirect luminaires A luminaire for distributing light rays from a light source may include first and second reflector sections. The first reflector portion may be configured to direct light rays in a first direction substantially perpendicular to a longitudinal axis of the luminaire. ... | 08/21/2007 |
| 7256516 | Battery charging system and method A charging system for simultaneously charging the batteries of a plurality of battery powered vehicles. The charging includes one or more DC-DC power converters having one or more charging ports configured to plug into the batteries. The DC-DC power converters are e... | 08/14/2007 |
| 7244058 | Interior lamp A vehicle lamp assembly comprised of: a heat sink with at least one flange extending beyond the lamp assembly; a circuit board functionally engaging the inner surface of the heat sink and having a power supply circuitry; at least one light emitting unit electrically... | 07/17/2007 |
| 7244036 | Vehicular lamp A vehicular lamp has light source units connected in parallel, an output controlling switch operable to intermittently carry an electric current by repeating on and off, an output coil operable to output electric power according to current flowing into said output c... | 07/17/2007 |
| 7242313 | System for providing pathway indications through unlit areas An auxiliary lighting system contains at least one photoelectric cell to convert ambient light into energy and at least one light emitting diode. The photoelectric cell converts ambient light into energy which is stored in a storage cell. A switching system provides... | 07/10/2007 |
| 7241021 | Emergency information lighting system An emergency information lighting system (100/200/300), comprising a primary light source (110/210/310) and a housing (112/212/312) for the primary light source (110/210). The housing (112/212/312) includes a first wall (120/220... | 07/10/2007 |
| 7226195 | Cold-cathode fluorescent lamp assembly for lighting applications A compact and cost-efficient lamp assembly includes cold-cathode fluorescent lamps in a variety of edge-lit display sign applications specifically, in edge-lit emergency lighting signs. The lamp assembly includes in one self-contained module a lower housing unit and... | 06/05/2007 |
| 7220019 | Multi-color illuminated sign The multi-color illuminated sign displays an indicia or house address number in changing sequence of colors. The back lighting is provided by three groups of plurality of light emitting diodes. One group of the light emitting diodes is operative to generate a primar... | 05/22/2007 |
| 7220010 | Emergency light An emergency light for providing illumination during emergency conditions with a housing, a light source, and a drive arrangement for driving the light source between retracted and extended positions. Flanges, which can be removable, can project from the housing. Fa... | 05/22/2007 |
| 7220014 | Quick mounting system for emergency lighting device An emergency lighting device adapted to be quickly and easily mounted and installed. In one embodiment, a mounting member of the device is first mounted to a desired structure and connected to an external power supply. Once mounted and completed, and emergency light... | 05/22/2007 |
| 7217027 | Backlight assembly with improved strength and display device having the same A backlight assembly having improved strength and a display device having the backlight assembly are provided. The backlight assembly includes a light source supplying light and a fixing member receiving the light source. A deflection preventing portion having a pre... | 05/15/2007 |
| 7218056 | Lighting device with multiple power sources and multiple modes of operation Lighting device having a number of light sources for illumination an area around the lighting device. The lighting device including capabilities for generating illumination when a primary power source is unavailable. The light device may include a secondary power so... | 05/15/2007 |
| 7215084 | Power control arrangement, as for a flashlight In a battery-operated apparatus comprising a load, a battery and a switch in circuit for selectively energizing the load: a comparator compares a potential produced by the battery and a reference potential for de-energizing the load when the battery potential is bel... | 05/08/2007 |
| 7213941 | Flexible perimeter lighting apparatus An elongated flexible lighting system according to the present invention includes an array of light sources that are illuminated by electric power. It further includes an elongated translucent extrusion of flexible material. The array of light sources is integral to... | 05/08/2007 |
| 7207691 | Light emitting device A light emitting device including three light emitting sources and a phosphor, with the three light sources consisted of following light emitting diodes (LED) emitting lights having different wavelengths. Wherein, two light sources are used to excite the phosphor to... | 04/24/2007 |
| 7182487 | Housings for interchangeable optical assemblies Housings for emergency unit luminaires may be configured to receive both fixed and movable optical assemblies for mounting, allowing for the manufacture of a single housing for production of differing lighting products or lamp assemblies. Additionally, structural el... | 02/27/2007 |
| 7178965 | Light emitting panel assemblies having LEDs of multiple colors Light emitting panel assemblies include a hollow light emitting panel member having a sheet, film or substrate attached or positioned against one or both sides thereof to produce a desired effect. A pattern of deformities or disruptions may be provided on or in the ... | 02/20/2007 |
