| Patent Number |
Title Of Patent |
Date Issued |
| 7554300 |
Car power source apparatus |
June 30, 2009 |
| The car power source apparatus is provided with a plurality of batteries, a temperature detection circuit, and an abnormal temperature rise prevention circuit. The temperature detection circuit detects electrical resistance change of a plurality of temperature sensors via a voltage c |
| 7466139 |
Method to determine current detection circuit failure |
December 16, 2008 |
| A method of determining current detection circuit failure determines failure of a current detection circuit that is connected to positive and negative sides of a power source and that issues a voltage corresponding to detected current at an output terminal. The method of determining |
| 7453232 |
Leakage detector for a power supply apparatus for a vehicle |
November 18, 2008 |
| A leakage detector for a power supply apparatus for a vehicle having a voltage detection circuit that detects voltages of a plurality of battery modules. The voltage detection circuit comprises a multiplexer that switches the battery modules voltages of which are detected in a time s |
| 7403016 |
Car power source apparatus |
July 22, 2008 |
| A car power source apparatus is provided with a battery having a plurality of battery modules connected in series on positive and negative sides of a midpoint reference node, and a voltage detection circuit that detects the voltage of one or a plurality of battery modules with respect to |
| 7394222 |
Power supply apparatus with function for correcting for erroneous detection |
July 1, 2008 |
| A power supply apparatus has a battery that is composed of a plurality of battery modules connected in series, a voltage detector that detects the relative voltages at the individual nodes between the battery modules with respect to a predetermined reference node, an erroneous detection |
| 7262605 |
Power supply apparatus |
August 28, 2007 |
| A power supply apparatus has a battery apparatus that is composed of a battery, a temperature sensor that is thermally coupled to the battery and whose electrical resistance changes with the temperature of the battery to which it is thermally coupled, a temperature detection circuit |
| 7098626 |
Power supply apparatus |
August 29, 2006 |
| A power supply apparatus has a battery and a temperature detection circuit. The battery has n battery cells, and the temperature detection circuit has m temperature detection units. Each temperature detection units has a temperature sensor that is thermally coupled to one or more of |
| 7071698 |
Power supply apparatus for detecting battery voltage and the portions of faults |
July 4, 2006 |
| A power supply apparatus according to the present invention includes a battery and a voltage detection circuit for detecting the voltage of the battery. The voltage detection circuit includes a differential amplifier which has a first input terminal for receiving a voltage based on the |
