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Class Information
Number: 307/86
Name: Electrical transmission or interconnection systems > Plural supply circuits or sources > Connecting or disconnecting > Condition responsive
Description: Subject matter in which the connection or disconnection is made automatically responsive to a condition.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7589438 |
Source phase sensitive transfer method and apparatus |
Sep. 15, 2009 |
| 7538453 |
Fan power supply system |
May. 26, 2009 |
| 7528504 |
Automatic power adapter |
May. 5, 2009 |
| 7525217 |
Rectifier-super capacitor device for use in a power system for a telecommunication facility |
Apr. 28, 2009 |
| 7402986 |
Power supply circuit for portable battery powered device |
Jul. 22, 2008 |
| 7400493 |
Circuit breaking link status detection and reporting circuit |
Jul. 15, 2008 |
| 7385310 |
Electronic ballasts which can be connected in parallel on the basis of the type of lamp |
Jun. 10, 2008 |
| 7332896 |
Apparatus and method for controlling supply voltage in multiple interface card |
Feb. 19, 2008 |
| 7301247 |
Power supply device incorporated in vehicle driven by internal combustion engine |
Nov. 27, 2007 |
| 7294940 |
Power over ethernet battery backup |
Nov. 13, 2007 |
| 7276887 |
Power supply circuit |
Oct. 2, 2007 |
| 7262519 |
Actuator unit with at least two actuators and a secure control unit |
Aug. 28, 2007 |
| 7262520 |
Robust power distribution systems and methods |
Aug. 28, 2007 |
| 7245469 |
DC backup power supply device and method for diagnosing the same |
Jul. 17, 2007 |
| 7242313 |
System for providing pathway indications through unlit areas |
Jul. 10, 2007 |
| 7239534 |
Cellular inverter with reduced switching distortion rate |
Jul. 3, 2007 |
| 7166934 |
Package-based voltage control |
Jan. 23, 2007 |
| 7119457 |
Prioritized actuation system with overload protection for a generator transfer switch |
Oct. 10, 2006 |
| 7116013 |
Electronic power source voltage regulator with UPS function |
Oct. 3, 2006 |
| 7098619 |
Actuator and movement linkage system |
Aug. 29, 2006 |
| 7088015 |
Smooth voltage regulation transition circuit having fast recovery |
Aug. 8, 2006 |
| 7061138 |
Power supply system with two electrical energy stores |
Jun. 13, 2006 |
| 7057868 |
Reverse current protection device |
Jun. 6, 2006 |
| 7045915 |
Power supply unit having multiple power supply outputs |
May. 16, 2006 |
| 7045964 |
Emergency lighting system with automatic diagnostic test |
May. 16, 2006 |
| 7023111 |
Electronic device with attachment and switching between batteries therefor |
Apr. 4, 2006 |
| 7023110 |
Apparatus and method utilizing an AC adaptor port for event triggering |
Apr. 4, 2006 |
| 7015599 |
Backup power management system and method of operating the same |
Mar. 21, 2006 |
| 6977446 |
Multiple inverter power system with regard to generator failure |
Dec. 20, 2005 |
| 6960843 |
Parallel operating system for uninterruptible power units |
Nov. 1, 2005 |
| 6940334 |
Methods and systems for generating interim voltage supplies |
Sep. 6, 2005 |
| 6924567 |
Method and system for managing battery power |
Aug. 2, 2005 |
| 6909249 |
Switching constant-current power supply |
Jun. 21, 2005 |
| 6909621 |
System for and method of controlling standby power |
Jun. 21, 2005 |
| 6885879 |
Battery reconnect system for a telecommunications power system |
Apr. 26, 2005 |
| 6880095 |
Switching power planes of external device interfaces in a computing system in response to connection status |
Apr. 12, 2005 |
| 6861769 |
Apparatus and method for protection of an electronic circuit |
Mar. 1, 2005 |
| 6841898 |
Automatic power supply selector for a ACPI-compliant PCI devices |
Jan. 11, 2005 |
| 6800963 |
Power controller, power generation system, and control method of power controller |
Oct. 5, 2004 |
| 6737762 |
Generator with DC boost for uninterruptible power supply system or for enhanced load pickup |
May. 18, 2004 |
| 6735704 |
Autonomic control of power subsystems in a redundant power system |
May. 11, 2004 |
| 6731023 |
Backup power supply for restraint control module |
May. 4, 2004 |
| 6720821 |
Methods and systems for generating interim voltage supplies |
Apr. 13, 2004 |
| 6703722 |
Reconfigurable plural DC power source power system responsive to changes in the load or the plural DC power sources |
Mar. 9, 2004 |
| 6693806 |
Electric power source |
Feb. 17, 2004 |
| 6653751 |
Fault tolerant AC transfer switch |
Nov. 25, 2003 |
| 6630753 |
Low cost redundant AC to DC power supply |
Oct. 7, 2003 |
| 6614133 |
Power system with plural parallel power supplies with at least one power supply in standby mode for energy efficiency |
Sep. 2, 2003 |
| 6614635 |
Circuit provided with a protective function |
Sep. 2, 2003 |
| 6605881 |
AC interconnection apparatus supplying AC power from a commercial power system and from a solar cell |
Aug. 12, 2003 |
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