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Class Information
Number: 191/3
Name: Electricity: transmission to vehicles > Systems of distribution > Convertible, multiple current source
Description: Systems distributing a plurality of currents of different characteristics to or from the vehicle.

Sub-classes under this class:

Class Number	Class Name	Patents
191/5	Alternating direct	5
191/4	Internal and external	26

Patents under this class:

Patent Number	Title Of Patent	Date Issued
6978873	Connection structure of induction line cover	Dec. 27, 2005
6975084	Power window controller	Dec. 13, 2005
6533224	Power and impedance control methods for model railroads	Mar. 18, 2003
4733616	Track-bound selfpropelled car conveyor	Mar. 29, 1988
4471231	Alternating current feeder system for trolley-assisted dump trucks	Sep. 11, 1984
4301899	System for automatically controlling an electrically propelled traction vehicle traversing a gap in wayside source of power	Nov. 24, 1981