| Tokyo Rectifier Co., Ltd. Patent applications |
| Patent application number | Title | Published |
|---|
| 20120001595 | CHARGING DEVICE - A charging device supplies charge current to a battery group having plural secondary batteries connected in series to perform charging. In the charging device, a discharge route circuit for discharging charge current to be supplied to the secondary battery when the battery voltage of the secondary battery exceeds a predetermined voltage while charging is provided to every secondary battery. Also provided is a cut-off circuit for cutting off the discharge route circuit from each secondary battery after charging is completed. Discharge at a discharge route circuit is suppressed and energy efficiency is increased. | 01-05-2012 |
| 20110169454 | CHARGING APPARATUS AND CHARGING METHOD - The present invention aims to suppress waste of charging power during charging and improve charging efficiency. | 07-14-2011 |
| 20110169453 | CHARGING APPARATUS AND CHARGING METHOD - The present invention aims to reliably prevent overcharge by carrying out charging in just proportion during charging periods. | 07-14-2011 |
