About 16 results
https://drivepatents.com/patents/964981 · 26 May 2026
A distributed energy storage unit (DES) is disclosed. The DES unit includes a combined input/output terminal configured to be coupled to an external circuit, power conversion circuitry operably coupled to the combined input/output terminal, an energy stora...
https://drivepatents.com/patents/1381958 · 30 Apr 2026
An apparatus in which electric power is generated for an electrical load from differentials in electric field strengths within a vicinity of powerlines includes: a plurality of electrodes separated and electrically insulated from one another for enabling d...
https://drivepatents.com/patents/1381959 · 30 Apr 2026
Systems and methods for operating a battery charger are described. A controller can operate a battery charger under a forward mode. Under the forward mode, a power supply is connected to the battery charger to provide power to a load and to charge a batter...
https://drivepatents.com/patents/1393912 · 11 Jun 2025
A differential piezoelectric actuator-system (10) includes an inductor (L) and driver-circuit (11, 12) having switches (S1-S6) for transferring energy between first and second actuators (PZT1, PZT2) and the inductor, and between a voltage-supply node (Vbat...
https://drivepatents.com/patents/973267 · 25 Jun 2014
A wireless hotpoint device includes a main body having a circuit board and a battery arranged therein. The circuit board includes a first control unit, a second control unit connected to the first control unit, and a wireless transmission unit connected to...
https://drivepatents.com/patents/984629 · 28 Aug 2013
A UPS electricity supply control circuit and a UPS electricity supply. The present UPS electricity supply comprises a rechargeable battery and a UPS electricity supply control circuit connected to said rechargeable battery. Said UPS electricity supply cont...
https://drivepatents.com/patents/989772 · 12 Jun 2013
A power management system (20) adjusts a first output voltage (201) delivered to a load (19) and adjusts a second output voltage (202) delivered to a battery (18). The power management system includes an error amplifier (223) for comparing the first output...
https://drivepatents.com/patents/992189 · 10 Apr 2013
The disclosure discloses a method for battery management. The method includes: monitoring a total load current, a battery capacity, a charging current ratio, and the number of operating rectifiers; calculating a current-limiting point according to the tota...
https://drivepatents.com/patents/996227 · 7 Nov 2012
The field device (10) has input protection unit (101), energy storage unit (105), electrical consumer, charging circuit and charging current control unit. The charging circuit is operated, such that the energy storage unit stores the supplied energy. The c...
https://drivepatents.com/patents/1000408 · 18 Jul 2012
A power supply unit for a mobile terminal and a power supply switching method for a mobile terminal. The power supply unit for a mobile terminal includes a battery (150), a power converting module (110), a charge management module (120), and a power switch...