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Browse by Category: Main > Communications
Class Information
Number: 340/331
Name: Communications: electrical > Systems > Periodic or flashing
Description: Subject matter having a periodic or flashing signal.










Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8704676 Dynamic road markers to provide visual feedback as to vehicle speed Apr. 22, 2014
8653984 Integration of LED lighting control with emergency notification systems Feb. 18, 2014
8614632 Method of and apparatus for controlling a source of light in accordance in a source of sound Dec. 24, 2013
8519870 Indicia for providing a visual clue of the position of a vehicle on a race track Aug. 27, 2013
8514096 Network device Aug. 20, 2013
8478514 Onboard vehicle data mining, social networking, advertisement Jul. 2, 2013
8274397 Programmable light display Sep. 25, 2012
8253583 Hazard indicator with LED Aug. 28, 2012
8248467 Light positioning system using digital pulse recognition Aug. 21, 2012
8228182 Self-testing notification appliance Jul. 24, 2012
8085163 Method of and apparatus for controlling a source of light in accordance with variations in a source of sound Dec. 27, 2011
8072342 Overcurrent protection circuit Dec. 6, 2011
8004420 Security lighting system and method, and control unit therefore Aug. 23, 2011
7999666 Emergency lighting system with improved monitoring Aug. 16, 2011
7948368 Method for evacuating buildings divided into sections May. 24, 2011
7920053 Notification system and method thereof Apr. 5, 2011
7907047 Apparatus and method for synchronizing visual/audible alarm units in an alarm system Mar. 15, 2011
7907052 Enhanced firefighter door chock Mar. 15, 2011
7889092 Alert device having notification-based customizable settings Feb. 15, 2011
7876234 Trailer depth gauge Jan. 25, 2011
7843326 Forward illumination headgear with personal rescue system Nov. 30, 2010
7817913 Flash lamp assembly and portable electronic device using same Oct. 19, 2010
7817016 Screw-in LED light and sound bulb Oct. 19, 2010
7791497 Flashing beacon Sep. 7, 2010
7768419 Mobile communication terminal Aug. 3, 2010
7760106 Power cell monitoring Jul. 20, 2010
7656284 Multipurpose optical signalling device, particularly for road emergency in low visibility conditions Feb. 2, 2010
7633404 Measurement indication method and apparatus thereof Dec. 15, 2009
7629894 Methods and systems for controlling directional sounders for route guidance Dec. 8, 2009
7564368 Semantic light Jul. 21, 2009
7557720 Personal emergency device Jul. 7, 2009
7479898 System and method for synchronizing lights powered by wild frequency AC Jan. 20, 2009
7423548 Multi-function egress path device Sep. 9, 2008
7403096 Apparatus and method for synchronizing visual/audible alarm units in an alarm system Jul. 22, 2008
7393121 Laser guidance emergency navigation method and system Jul. 1, 2008
7388514 Emergency light assembly Jun. 17, 2008
7375617 Evacuation appliance May. 20, 2008
7339475 Portable alarm system Mar. 4, 2008
7333004 Self-adjusting strobe Feb. 19, 2008
7327219 Enhanced alarm system for monitoring of patients Feb. 5, 2008
7298244 NBC marker light Nov. 20, 2007
7298245 Emergency light Nov. 20, 2007
7295105 Turn indicator unit for a relay-controlled flasher Nov. 13, 2007
7262707 Message sign alert device and method Aug. 28, 2007
7259655 Service attendant signalling device Aug. 21, 2007
7245226 Integrated microprocessor controlled alarm Jul. 17, 2007
7242292 Infrared communication system and method Jul. 10, 2007
7242314 Strobe unit with current limiter Jul. 10, 2007
7230526 Device and method for synchronizing a flasher frequency with a central flashing frequency Jun. 12, 2007
7218220 Signaling system May. 15, 2007

1 2 3 4 5 6










 
 
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