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Class Information
Number: 340/333
Name: Communications: electrical > Systems > With specific power supply (e.g., power substitution)
Description: Subject matter having significantly recited or significant power supply systems.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8674823 Power management system Mar. 18, 2014
8558661 Wireless power transmission system Oct. 15, 2013
8558669 Radio frequency identification reader Oct. 15, 2013
8552878 Voltage drop cancellation Oct. 8, 2013
8519832 Intelligent power system and methods for its application Aug. 27, 2013
8509422 Encoding status signals in DC voltage levels Aug. 13, 2013
8509689 Communication device and communication method Aug. 13, 2013
8446248 Wireless power transmission system May. 21, 2013
8237570 Integrated, high efficiency RFID UHF reader/antenna Aug. 7, 2012
8224244 Communication apparatus Jul. 17, 2012
8063758 Alert device for drivers with infants Nov. 22, 2011
7990252 Safety system and method for conventional lighting fixtures Aug. 2, 2011
7860455 Electronic communications system, apparatus and electrode layout method Dec. 28, 2010
7843361 Traffic signal transfer switch with housing constructions Nov. 30, 2010
7800482 High intensity small size personal alarm Sep. 21, 2010
7782190 Implantable device and system and method for wireless communication Aug. 24, 2010
7737864 Traffic signal transfer switch with interlock constructions Jun. 15, 2010
7720576 Intelligent auxiliary power supply system with current and temperature monitoring capabilities May. 18, 2010
7688222 Methods, systems and devices related to road mounted indicators for providing visual indications to approaching traffic Mar. 30, 2010
7672732 Portable apparatus that delivers power and information to implantable devices Mar. 2, 2010
7627002 Mechanism for deploying an access point within a WLAN using a single interconnect Dec. 1, 2009
7573396 Air craft emergency lighting system Aug. 11, 2009
7495577 Multipurpose radio Feb. 24, 2009
7397370 Monitoring an environment using a RFID assembly Jul. 8, 2008
7327219 Enhanced alarm system for monitoring of patients Feb. 5, 2008
7250875 Traffic signal transfer switch Jul. 31, 2007
7233242 Arrangement and method for setting a transmit power Jun. 19, 2007
7224286 Solar panel having visual indicator May. 29, 2007
7220010 Emergency light May. 22, 2007
7212102 Device integrated battery backup with power source monitoring and manipulation and public safety communications infrastructure incorporating the same May. 1, 2007
7212110 Implantable device and system and method for wireless communication May. 1, 2007
7034677 Non-specific sensor array detectors Apr. 25, 2006
6972688 Power supply with modular integrated networking Dec. 6, 2005
6970072 Home automation module having externally powered communications port Nov. 29, 2005
6956463 Method and apparatus for providing both power and communication over two wires between multiple low voltage AC devices Oct. 18, 2005
6943463 System and method of testing connectivity between a main power supply and a standby power supply Sep. 13, 2005
6931287 Remote console Aug. 16, 2005
6917298 Solar system alarm backup unit Jul. 12, 2005
6904373 USB-controllable power supply Jun. 7, 2005
6882274 Energy conserving satellite tracking tag Apr. 19, 2005
6844823 Method and apparatus for providing power to a visual messaging system for high-speed networks Jan. 18, 2005
6819226 Systems and methods for energy storage in land-based telemetry applications Nov. 16, 2004
6813371 On-vehicle camera calibration device Nov. 2, 2004
6777829 Rectifier utilizing a grounded antenna Aug. 17, 2004
6775545 Wireless, ground link-based aircraft data communication system with roaming feature Aug. 10, 2004
6753762 Signalling beacon Jun. 22, 2004
6605900 Rechargeable emergency lamp tube Aug. 12, 2003
6496103 Device, system and method for secure Dec. 17, 2002
6466126 Portable data device efficiently utilizing its available power and method thereof Oct. 15, 2002
6437685 Cordless power transmission system, power transmission terminal and electrical appliance Aug. 20, 2002

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