About 310 results
Showing the first 200 results.
https://drivepatents.com/patents/1393872 · 6 Aug 2025
In earth leakage detection device (10), in order to shorten a period during which a voltage at a measurement point deviates from a measurement range, one end of coupling capacitor (Cc) is connected to a current path of power storage unit (20) connected to ...
https://drivepatents.com/patents/958155 · 26 Aug 2015
[Problem] In a battery pack having a battery unit in which plural cell groups are connected in series, and a protection circuit board to protect by detecting intermediate electric potentials, tap portions of lead plates in the battery unit and terminals of...
https://drivepatents.com/patents/958695 · 5 Aug 2015
A solar cell module wherein fluctuations of output characteristics are unlikely to occur is provided. This solar cell module includes a solar cell, a first protective member provided on an outer side of the solar cell when viewed from the moving body, a se...
https://drivepatents.com/patents/962652 · 4 Mar 2015
Provided is an inverter unit that is used in an electric vehicle having a left motor for causing a drive wheel on the left side to rotate and a right motor for causing a drive wheel on the right side to rotate, the inverter unit being used as either a left...
https://drivepatents.com/patents/966487 · 10 Dec 2014
[Problem] To provide a power conversion device capable of extracting a large amount of power from a solar cell even in low solar radiation. [Solution] The power conversion device includes: a booster circuit 4 that boosts an output voltage from a solar cell...
https://drivepatents.com/patents/967342 · 19 Nov 2014
A solar cell module for in-vehicle use includes a first terminal, a second terminal, solar cell units, and a diode. Solar cell units are electrically connected in parallel between the first terminal and the second terminal and each includes solar cells ele...
https://drivepatents.com/patents/971946 · 30 Jul 2014
A switching circuit (13) is provided with a charging switch (31) and a discharging switch (32). When the charging switch is turned ON, a battery module (21) is charged by electric power from an electric power supply (ACP, 16). When the discharging switch i...
https://drivepatents.com/patents/972451 · 16 Jul 2014
Problem: An object is to achieve a charging/discharging circuit using an element with low voltage endurance, and to provide a charge storage system, the charging/discharging circuit and a utility interconnection device at low cost. Solution: A charge stora...
https://drivepatents.com/patents/974145 · 4 Jun 2014
A battery module group includes a plurality of battery groups. Each battery group includes a plurality of battery modules. Cell information is supplied from each battery module of the battery module group to a charge/discharge controller. The charge/discha...
https://drivepatents.com/patents/974119 · 4 Jun 2014
A charge/discharge control system for a storage battery assembly, wherein a parallel off is appropriately canceled when a plurality of battery blocks are connected in parallel, and a parallel off subsequently occurs in which one of the battery blocks becom...