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Class Information
Number: 307/98
Name: Electrical transmission or interconnection systems > Combined impedance and switch systems
Description: Subject matter relating to systems having combined impedance means and switch means for regulating the current in the system.










Sub-classes under this class:

Class Number Class Name Patents
307/99 Condition responsive switch 35


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8564156 Apparatus and method of controlling switch units, and battery pack and battery management apparatus comprising said apparatus Oct. 22, 2013
8466730 Pulse generator and method of disposing pulse generator Jun. 18, 2013
8456037 Shunt switch, semiconductor device, module and electronic device Jun. 4, 2013
8446036 Multi-output power supply device May. 21, 2013
8358098 System and method for power factor correction Jan. 22, 2013
8288893 Adaptive matching and tuning of HF wireless power transmit antenna Oct. 16, 2012
8164221 Controlled series compensator and method Apr. 24, 2012
8155143 Transmission line adapter and system Apr. 10, 2012
8097977 Multi-output power supply device Jan. 17, 2012
8039993 High-voltage bus discharge with logarithmic self-protection Oct. 18, 2011
8039994 Reduction of inrush current due to voltage sags Oct. 18, 2011
7863946 Electric signal outputting apparatus with a switching part, an impedance matching part, and an auxiliary switching part Jan. 4, 2011
7843086 Power grid filter choke Nov. 30, 2010
7813884 Method of calculating power flow solution of a power grid that includes generalized power flow controllers Oct. 12, 2010
7800250 Connection of an internal regulator to an external filter/stabilization capacitor through a selectable external connection and prevention of a current surge therebetween Sep. 21, 2010
7791222 Multi-output power supply device Sep. 7, 2010
7778317 Method and device for detecting inductive elements in a communication line Aug. 17, 2010
7566994 Small-step, switchable capacitor Jul. 28, 2009
7479713 Systems and methods for reducing power dissipation in a disk drive including a fixed output voltage regulator Jan. 20, 2009
7375443 CPU surge reduction and protection May. 20, 2008
7321834 Method for calculating power flow solution of a power transmission network that includes interline power flow controller (IPFC) Jan. 22, 2008
7317301 Auxiliary power supply Jan. 8, 2008
7235900 Switching apparatus and method for varying a phase line impedance of an electric power transport line section Jun. 26, 2007
7173349 Equipment and method for exchanging power, in shunt connection, with an electric power network, and use of such equipment Feb. 6, 2007
7157812 Apparatus and method for modifying a power flow in a section of an electric power line Jan. 2, 2007
7123729 Dual use of an integrated circuit pin and the switching of signals at said pin Oct. 17, 2006
7105952 Distributed floating series active impendances for power transmission systems Sep. 12, 2006
7065662 Information handling system featuring a power-based current limiting circuit Jun. 20, 2006
6973153 Transmit and receive protection circuit Dec. 6, 2005
6879062 Electrical substation Apr. 12, 2005
6768227 Digital controlled power regulation device Jul. 27, 2004
6747373 System and method for coordinated control of a switched power capacitor with an integrated resonance protection system Jun. 8, 2004
6486569 Power flow management in an electric power grid Nov. 26, 2002
6424058 Testable on-chip capacity Jul. 23, 2002
6256385 Power supply adapter circuit Jul. 3, 2001
6205500 System and method for electrically isolating a device from higher voltage devices Mar. 20, 2001
6194924 Multi-function controlled impedance output driver Feb. 27, 2001
6181113 Harmonic resonance control and protection system for switched power factor control capacitor devices Jan. 30, 2001
6114885 Integrated driver circuits having independently programmable pull-up and pull-down circuits therein which match load impedance Sep. 5, 2000
5987546 Multiple long bus architecture having a non-terminal termination arrangement Nov. 16, 1999
5962932 Power supply apparatus with circuit load sensor Oct. 5, 1999
5834860 Controlled impedance transistor switch circuit Nov. 10, 1998
5770969 Controllable decoupling capacitor Jun. 23, 1998
5764925 Multiple long bus architecture having a non-terminal termination arrangement Jun. 9, 1998
5677577 Reducing energy variations in thermal inkjet printers Oct. 14, 1997
5506457 Electronic switch for decoupling capacitor Apr. 9, 1996
5466975 Switched termination for bus tap-off line Nov. 14, 1995
5461265 High-frequency variable impedance circuit having improved linearity of operating characteristics Oct. 24, 1995
5420464 RF voltage/current sensor apparatus May. 30, 1995
5414709 Circuit for generating a configuration signal for a network system May. 9, 1995

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