About 48 results
https://drivepatents.com/patents/1009872 · 24 Aug 2011
A power distribution network includes multiple charge storage components and multiple charging circuits to control the charging and discharging of the charge storage components, which may comprise a battery and a supercapacitor. By appropriate arrangement ...
https://drivepatents.com/patents/1011692 · 22 Jun 2011
The circuit (3) has charging sub-circuits (3a, 3b) delivering charging current, respectively, where the circuit is arranged to produce the charging current for charging a capacitor (2) independent of a switching signal. The circuit is provided such that va...
https://drivepatents.com/patents/1012259 · 8 Jun 2011
The present invention is applicable to the technical field of charging, and provides a charging circuit including an energy input, an input power detecting module, an electric energy storage, a boost module, a battery, a charging switch device, a PWM power...
https://drivepatents.com/patents/1016182 · 26 Jan 2011
A switched mode power supply is disclosed for charging a load such as a high energy capacitor. The power supply is adapted to operate in a substantially constant power mode and includes a flyback converter having a primary circuit including a controller an...
https://drivepatents.com/patents/1070012 · 15 Feb 2006
A capacitor unit (15) used as an auxiliary power source is structured by a plurality of series connected capacitors that have an initial dispersion of characteristics controlled within a predetermined value. During charging, the capacitor unit (15) is moni...
https://drivepatents.com/patents/1070676 · 25 Jan 2006
A DC power system comprises a rectifier which converts AC power supplied from an AC power source in a station into DC power to supply the DC power to a DC load, and a storage device normally charged by the DC power output from the rectifier. The storage de...
https://drivepatents.com/patents/1071589 · 21 Dec 2005
In response to a change in a circuit parameter of a converter delivering power to a load, the converter is operated in a mode in which additional power is supplied to the load by a capacitive element that is in parallel with the converter, the circuit para...
https://drivepatents.com/patents/1072128 · 30 Nov 2005
A technique for discharging an energy storage device coupled to a power bus provides a first discharge path for the energy storage device (CBUS), when the power bus is connected to a battery (VBATT), and a second discharge path for the energy storage devic...
https://drivepatents.com/patents/1073537 · 5 Oct 2005
A parallel monitor circuit (1A) for monitoring one (C1) of serially connected plural capacitors (Cn) receiving a direct recharging current is disclosed. The circuit comprises a bypassing transistor (Q1) for bypassing the capacitor (C1) with the recharging ...
https://drivepatents.com/patents/1082334 · 17 Nov 2004
Circuits and methods for supplying a temporary power supply at a predetermined voltage are disclosed. A circuit includes first DC/DC voltage converter (140) that receives an input from a power supply (110) at a first voltage level (Vin) and generates an ou...