About 33 results
https://drivepatents.com/patents/1374683 · 2 Jun 2026
A system includes: a battery charger to convert AC power to DC power to charge a battery, wherein the battery charger includes: an upper switch to condition an input voltage and input current; a lower switch to condition the input voltage and the input cur...
https://drivepatents.com/patents/964975 · 26 May 2026
A charging system for electric vehicles includes a line interphase transformer, LIT-based rectifier configured for connecting an input of the LIT-based rectifier to an AC medium-voltage power signal and for outputting a medium-voltage DC-signal; a modular ...
https://drivepatents.com/patents/1387263 · 25 Mar 2026
This application provides an uninterruptible power supply. A rectifier of the uninterruptible power supply includes six first rectifier diodes, six second rectifier diodes, three alternating current side relays, six direct current side relays, a DC/DC conv...
https://drivepatents.com/patents/1399520 · 8 Oct 2025
A charging circuit (113), a terminal device (11), an adapter (14), and a charging system (10) and method are disclosed, and are mainly applied to a charging process of the terminal device (11). The terminal device (11) may be charged by using an adapter (1...
https://drivepatents.com/patents/1400763 · 1 Oct 2025
Onboard medium-voltage vessel electric charging apparatus (10) and method for onboard medium-voltage charging enabling compensating for voltage variations of at least one energy storage device (60) during charging thereof.
https://drivepatents.com/patents/1397671 · 7 May 2025
Provided is an adapter and a combination of a battery pack and an adapter. The combination of a battery pack and an adapter includes the battery pack. The battery pack includes a battery pack interface at least capable of being detachably connected to a po...
https://drivepatents.com/patents/1393787 · 29 Jan 2025
A charging apparatus includes: a housing formed with an accommodating space; and a circuit board assembly disposed in the accommodating space and including at least a printed circuit board provided with multiple electronic elements. The output power of the...
https://drivepatents.com/patents/967905 · 5 Nov 2014
A mobile terminal, and a device and method for charging the same are provided. A power input of a Voltage Bus (VBUS) of a Universal Serial Bus (USB) interface in the mobile terminal is connected to a switch capable of switching off and switching on the pow...
https://drivepatents.com/patents/967737 · 5 Nov 2014
A DC/DC circuit (8) for an uninterruptible power supply, which is a bidirectional DC/DC circuit (8) and connected to a battery (B) and a bus bar. In a mains supply mode, the bidirectional DC/DC circuit (8) draws power from the bus bar and charges the batte...
https://drivepatents.com/patents/982941 · 23 Oct 2013
An object of the present invention is to reduce electric power consumption of a charger as much as possible when charging is not performed. A constant voltage power source circuit (50) according to the present invention is configured to adjust electric pow...