About 33 results
https://drivepatents.com/patents/1378465 · 5 Feb 2026
Devices, systems, methods, and processes for operating a plurality of power supplies of a network device using cold redundancy are described herein. Traditionally, redundant power supplies are operated in parallel with primary power supplies, thus making p...
https://drivepatents.com/patents/1384637 · 26 Oct 2017
A clamping circuit includes an energy storage section and a pulse generator to generate a pulse in which the energy storage section stores energy from a main power supply.
https://drivepatents.com/patents/954924 · 23 Dec 2015
A method of waking up a small cell base station from a sleep mode, controlled by a mobile station involved in a random access procedure in which the mobile station is to transmit a standard access signal to a serving macrocell base station in whose coverag...
https://drivepatents.com/patents/973266 · 25 Jun 2014
A power supply unit and a wireless network communication system are provided. The wireless network communication system comprises a wireless network communication device (2) and a power supply unit (3). The power supply unit comprises a power supplier (31)...
https://drivepatents.com/patents/975734 · 23 Apr 2014
Household appliance (1) comprising electric loads (2) and an electronic command device (3) which is configured to reduce energy consumption of the electric household appliance (1) during a standby state; the electronic command device (3) comprising first s...
https://drivepatents.com/patents/986663 · 18 Sep 2013
Motor drive apparatus and methods are presented in which a standby controller uses at least one switching device to power an inverter in a normal mode and to remove power from the inverter and other motor drive components during a standby mode for improved...
https://drivepatents.com/patents/987689 · 7 Aug 2013
A power supply apparatus of a home appliance which meets standby power regulation of 0.5 watts using one SMPS. As compared with a general circuit which meets the standby power regulation using two or more SMPSs, it may be possible to curtail expenses requi...
https://drivepatents.com/patents/984671 · 3 Jul 2013
A power supply includes: a first switch arranged between an input power supplier and a load; a driving power supplier to receive input power through the first switch and to supply the input power to the load when a current mode of the load is a normal mode...
https://drivepatents.com/patents/993333 · 30 Jan 2013
A power supply system (100) includes: a switching power supply (21, 20), which rectifies and smoothes an AC voltage of an AC power supply to generate a first DC voltage in a normal mode; a control unit (51), which controls the switching power supply to swi...
https://drivepatents.com/patents/995621 · 28 Nov 2012
When a voltage applied to a first capacitor (6) connected to an output of a power generator (4) in parallel is equal to or larger than a threshold, a starter signal output from a monitoring circuit (10) to a control circuit (14) is set from a low level to ...