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Class Information
Number: 307/72
Name: Electrical transmission or interconnection systems > Plural supply circuits or sources > Diverse or unlike electrical characteristics
Description: Subject matter in which the plural supply circuits or sources have diverse or unlike electrical characteristics.

Sub-classes under this class:

Class Number Class Name Patents
307/74 Differing capacities 14
307/73 Differing frequencies 42
307/75 Differing voltages 146

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8674547 Three-dimensional wind-light congregating power generating system with spherical joints Mar. 18, 2014
8604641 Renewable energy delivery systems and methods Dec. 10, 2013
8598741 Photovoltaic and fuel cell hybrid generation system using single converter and single inverter, and method of controlling the same Dec. 3, 2013
8587150 Method and modular system for charging a battery Nov. 19, 2013
8582336 Power supply circuit capable of handling direct current and alternating current and power supply control method Nov. 12, 2013
8564249 Charging unit with two power source inputs Oct. 22, 2013
8552596 Power transmitting apparatus and power transmission system Oct. 8, 2013
8552582 Distributed solar power plant and a method of its connection to the existing power grid Oct. 8, 2013
8531859 Reversible alternating-current and direct-current conversion apparatus with high frequency Sep. 10, 2013
8508073 Simultaneous multi-voltage rail voltage regulation messages Aug. 13, 2013
8487476 Apparatus and methods for powering mobile devices Jul. 16, 2013
8471407 Spring-powered emergency electrical supply Jun. 25, 2013
8405249 Multi-voltage power supply for a universal airplane ground support equipment cart Mar. 26, 2013
8374013 Power supply with an interface for AC and DC signals Feb. 12, 2013
8352091 Distributed grid-interactive photovoltaic-based power dispatching Jan. 8, 2013
8342812 Variable speed air compressing system having AC and DC power sources Jan. 1, 2013
8330296 Hybrid renewable energy turbine using wind and solar power Dec. 11, 2012
8319373 System, socket and plug apparatus for DC power distribution and usage Nov. 27, 2012
8314512 DC power system using HCPV and BIPV modules Nov. 20, 2012
8299647 Switchable current supply for auxiliary current circuits in a current converter Oct. 30, 2012
8269372 Photovoltaic and fuel cell hybrid generation system using dual converters and single inverter and method of controlling the same Sep. 18, 2012
8264100 Electric power generating system for multiple sources and interface to an AC grid Sep. 11, 2012
RE43572 Bi-directional multi-port inverter with high frequency link transformer Aug. 14, 2012
8228690 DC-DC converter and power supplying system including same Jul. 24, 2012
8222766 Simultaneous multi-voltage rail voltage regulation messages Jul. 17, 2012
8212387 Connection module for providing N+N and M+1 redundant power distribution Jul. 3, 2012
8212406 System, socket and plug apparatus for DC power distribution and usage Jul. 3, 2012
8212407 Power supply circuit Jul. 3, 2012
8125103 Semiconductor device system in package Feb. 28, 2012
8120321 Device for improving the charging or discharging process of a battery Feb. 21, 2012
8093756 AC power systems for renewable electrical energy Jan. 10, 2012
8080901 Multi-source integrated electricity generation from novel smart roads and pavements Dec. 20, 2011
8076797 Energy transfer circuit and method Dec. 13, 2011
8063509 Power supply voltage adjusting apparatus, recording medium, and power supply voltage adjusting method Nov. 22, 2011
8063513 Power source and method for controlling operational power Nov. 22, 2011
8030801 Multi-voltage power supply for a universal airplane ground support equipment cart Oct. 4, 2011
8008808 Method and apparatus for controlling a hybrid power system Aug. 30, 2011
8009451 Universal power adapter/converter Aug. 30, 2011
7999411 Electronic card connector, level-shifting device and digital television receiver Aug. 16, 2011
7952224 Power supply system, vehicle including the power supply system, control method for power supply system, and computer-readable recording medium having program recorded thereon for computer to e May. 31, 2011
7944082 Connection module for providing N+N and M+1 redundant power distribution May. 17, 2011
7944090 Multi-output power conversion circuit May. 17, 2011
7936083 Systems and methods for multiple source power conversion May. 3, 2011
7932639 Simultaneous multi-voltage rail voltage regulation messages Apr. 26, 2011
7911081 Power supply control method and structure therefor Mar. 22, 2011
7888819 Multi-input power converter and uninterruptible power supply having the same Feb. 15, 2011
7859875 Universal power adapter/converter Dec. 28, 2010
7843171 Method and apparatus for battery charging based on battery capacity and charging source constraints Nov. 30, 2010
7839668 Multiple output AC/DC power adapter Nov. 23, 2010
7808127 Multile input channel power control circuit Oct. 5, 2010

1 2 3

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