About 12 results
https://drivepatents.com/patents/1381805 · 30 Apr 2026
The present application provides a power supply circuit. When a power supply input by a server is abnormal, a first voltage conversion module inputs a low-level voltage to a gate of a second MOS transistor, and the second MOS transistor is turned on. At th...
https://drivepatents.com/patents/965623 · 31 Dec 2014
A highly efficient power supply unit and a method for supplying power using same are disclosed. The power supply unit comprises: a relay for switching alternating current power supplied from a plurality of sources; a direct current power supply for convert...
https://drivepatents.com/patents/972151 · 23 Jul 2014
A system (400) for use in restoring power to a power distribution network (100) is provided. The system includes a forecast system (415) configured to generate forecast information about the power distribution network, and a fault detection, isolation, and...
https://drivepatents.com/patents/972415 · 16 Jul 2014
A power system (200) for data center (210), which comprises: a critical electrical equipment (211), an alternating current (AC) transformer (121), an AC power distribution unit (PDU) (123), a rectifier transformer (231), and a DC PDU (233). The critical el...
https://drivepatents.com/patents/997081 · 17 Oct 2012
Circuits and methods providing a electronic power supply applicable to any dual supply rail systems, which require a smooth and uninterrupted output supply and a replica power path and autonomous mode of operation from the system power supply are disclosed...
https://drivepatents.com/patents/1005067 · 22 Feb 2012
An uninterruptible power supply system (UPS) (110) and a power management method thereof suitable for an audio visual apparatus (130) are provided. The uninterruptible power supply system (110) includes a power management unit (120), a wireless transceiver...
https://drivepatents.com/patents/1011959 · 15 Jun 2011
The server uninterruptible power supply is housed inside the server case (91), and is connected to the 12V DC power supply line (43) of the server. The uninterruptible power supply is provided with a DC/DC boost converter (3) that steps-up the power supply...
https://drivepatents.com/patents/1011964 · 15 Jun 2011
The main server block (20) houses uninterruptible power supplies (10) that supply 150V-400V DC operating power to the main server block (20) input power supply lines (23) both with and without power outage. An uninterruptible power supply (10) has recharge...
https://drivepatents.com/patents/1013683 · 20 Apr 2011
The device has a power supply unit (1) transmitting a power line failure-signal to a controller (7), during the power line-failure. The controller separates one of electrical components i.e. background illumination unit (3) from the power supply unit via a...
https://drivepatents.com/patents/1068367 · 12 Apr 2006
Disclosed are a power supply circuit and method for mobile communication terminals, such as PDAs and portable phones. When a main power source such as a battery is abruptly detached from a system, the abrupt detachment of the main power source is detected ...