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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:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 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 |
| 5391930 |
Circuit breaker with parallel resistor |
Feb. 21, 1995 |
| 5359230 |
On-vehicle electronic device |
Oct. 25, 1994 |
| 5243229 |
Digitally controlled element sizing |
Sep. 7, 1993 |
| 5227782 |
Hydrostatic interface unit |
Jul. 13, 1993 |
| 5057699 |
Switch interface for determining position of a plurality of switches using a determined time |
Oct. 15, 1991 |
| 4931707 |
Impedance matching circuit |
Jun. 5, 1990 |
| 4567375 |
Soft switch with positive on and off states |
Jan. 28, 1986 |
| 4242594 |
Switch arrangement |
Dec. 30, 1980 |
| 4211934 |
Current-measuring input for an electronic relay |
Jul. 8, 1980 |
| 4161661 |
System for automatically switching transformer coupled lines |
Jul. 17, 1979 |
| 3949239 |
Circuit for actuating a monostable or bistable inductive device |
Apr. 6, 1976 |
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