Resources Contact Us Home
Browse by Category: Main > Electrical & Energy
Class Information
Number: 307/401
Name: Electrical transmission or interconnection systems > Nonlinear reactor systems (e.g., saturable)
Description: Subject matter comprising a nonlinear reactor which is a magnetic core reactor, the reactance of which is controlled by changing the saturation of the core by varying a superimposed unidirectional flux.

Sub-classes under this class:

Class Number Class Name Patents
307/416 Amplifiers using nonlinear reactors (i.e., magnetic amplifiers) 10
307/412 Driver circuits 45
307/407 Logic circuits 21
307/406 Magnetic flip-flops 5
307/419 Magnetic pulse generator 31
307/415 Magnetic switching circuits 28
307/414 Magnetic trigger devices 2
307/422 Multiaperture 0
307/424 Parametric frequency converter 27
307/402 Parametrons 1
307/413 Signal sensor (e.g., current or frequency) 27

Patents under this class:

Patent Number Title Of Patent Date Issued
8674631 Power conversion apparatus and method of controlling capacitor voltage of power conversion apparatus Mar. 18, 2014
8232498 Short-circuit device for medium and high-voltage switching devices Jul. 31, 2012
8049363 Motor drive circuit Nov. 1, 2011
7952788 Method and device for selective adjustment of hysteresis window May. 31, 2011
7576901 Method and device for selective adjustment of hysteresis window Aug. 18, 2009
7310179 Method and device for selective adjustment of hysteresis window Dec. 18, 2007
7002931 Power efficient line driver with high performance echo cancellation for 1000BASE-T Feb. 21, 2006
6795493 Circuit for a transceiver output port of a local area networking device Sep. 21, 2004
5754118 Internally redundant microwave switch matrix May. 19, 1998
5184085 High-voltage pulse generating circuit, and discharge-excited laser and accelerator containing such circuit Feb. 2, 1993
4883977 Magnetic power converter Nov. 28, 1989
4835411 Active filter unit May. 30, 1989
4789795 Logic voting-circuit Dec. 6, 1988
4701640 Electret transducer and method of fabrication Oct. 20, 1987
4352032 Apparatus for computing the quotient of two inductances in an automotive control element position sensor Sep. 28, 1982
4280064 Signal isolator Jul. 21, 1981
4258312 Vital voltage regulator and phase shift circuit arrangement Mar. 24, 1981
3936721 Electrical power supplies Feb. 3, 1976

  Recently Added Patents
Dynamic learning method and adaptive normal behavior profile (NBP) architecture for providing fast protection of enterprise applications
System and method for ranking content and applications through human assistance
Controlling a resource demand system
Magnetic impedance element and magnetic sensor using the same
System and method for detecting malicious code executed by virtual machine
Disk drive to enable defect margining
Methods and apparatus for map detection with reduced complexity
  Randomly Featured Patents
Laser system selectively operable at two competing wavelengths
Thumb wrist splint and method
Apparatus for the manufacture of contact lenses using microwave energy
Process for treatment and prevention of ventricular fibrillation
Flexible girder with high energy absorption, and landing gear and tail skid for an aircraft equipped with such a girder
Face shield
Electrophotographic photoreceptor
System for handling and transportation of bottles
Method of producing biaxially textured buffer layers and related articles, devices and systems
Liquid jet recording head having tapered liquid passages