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Browse by Category: Main > Optical & Optics
Class Information
Number: 362/20
Name: Illumination > Automatic substitution of power supply or light source
Description: Subject matter having either (1) one energy source and first and second light sources and means to supply energy from the energy source to the second light source in response to failure of the first light source; or (2) first and second energy sources and one light source and means to cause the second energy source to supply energy to the light source in response to failure of the first energy source; or (3) first and second energy sources and first and second light sources and means to cause the second energy source to supply energy to the second light source in response to failure of either the first energy source or the first light source.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8702256 Emergency light device for marine environments Apr. 22, 2014
8591065 Panel illumination system Nov. 26, 2013
8568010 Hybrid illumination systems and methods Oct. 29, 2013
8525415 Vehicular LED lamp monitoring/controlling system Sep. 3, 2013
8491159 Wireless emergency lighting system Jul. 23, 2013
8469556 Extending emergency light with a recessed, covered storage cavity Jun. 25, 2013
8434882 LED lamp May. 7, 2013
8432277 Alarm device and alarm system Apr. 30, 2013
8388170 External mechanical battery disconnect for emergency lighting products Mar. 5, 2013
8348453 Solar powered light assembly Jan. 8, 2013
8340941 Temperature measurement system for a light emitting diode (LED) assembly Dec. 25, 2012
8333481 LED emergency light Dec. 18, 2012
8310175 Modular lamp system Nov. 13, 2012
8235559 Light fixture Aug. 7, 2012
8192039 Light emitting diode backup systems and methods Jun. 5, 2012
8132933 Power blackout bulb Mar. 13, 2012
8113674 Storm light Feb. 14, 2012
8100545 Wireless convenience lighting system and method of making same Jan. 24, 2012
8083363 Daylighting devices and methods with auxiliary lighting fixtures Dec. 27, 2011
8066392 Multi-function replaceable modular LED lamp Nov. 29, 2011
8066391 Luminary Nov. 29, 2011
8040102 Solar-powered LED street light Oct. 18, 2011
8029151 Back-up lighting system Oct. 4, 2011
8029154 Solar-powered light pole and LED light fixture Oct. 4, 2011
8025418 Electrical component, such as a lighting unit and battery charger assembly Sep. 27, 2011
8021007 Concealed emergency lighting equipment with complete retrofit housing and method of installation Sep. 20, 2011
8002445 LED luminaire with automatic luminance compensation Aug. 23, 2011
7988320 Lighting device having adjustable solar panel bracket Aug. 2, 2011
7976179 Solar-lamp assembly Jul. 12, 2011
7954973 Stair lighting system, and method for its implementation Jun. 7, 2011
7887205 Rotatable emergency light with direct drive motor Feb. 15, 2011
7878668 Deployable emergency lighting system Feb. 1, 2011
7824046 Deployable emergency lighting system Nov. 2, 2010
7815332 Lighting apparatus and associated method Oct. 19, 2010
7766504 Solar power illuminator Aug. 3, 2010
7736014 Hybrid lighting system Jun. 15, 2010
7708426 Rechargeable flashlight May. 4, 2010
7703934 Power outage light socket device Apr. 27, 2010
7690802 Light emitting diode emergency lighting methods and apparatus Apr. 6, 2010
7645047 Deployable emergency lighting system Jan. 12, 2010
7635195 Headlamp that is convertible to a lantern Dec. 22, 2009
7621652 Electrical component, such as a lighting unit and battery charger assembly Nov. 24, 2009
7597448 Product display system Oct. 6, 2009
7588349 Solar-infrared-rays sensing garden lamp Sep. 15, 2009
7520072 Exit signs with and without emergency lighting Apr. 21, 2009
7481546 Low-voltage lighting apparatus Jan. 27, 2009
7431467 Portable forensic lighting device Oct. 7, 2008
7311423 Adjustable LED luminaire Dec. 25, 2007
7296908 Housing with releasable front and back portions with electrical connection means Nov. 20, 2007
7273290 Display device having automated lamp replacement Sep. 25, 2007

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