Patent ID: 6211681
Filing Date: 2001-04-03
Classification: B60K,B60L,B60W,G01R,Y02T,Y10S

Abstract:
A power source monitoring apparatus for monitoring a state of each of at least one subject power source which consists of at least one of a plurality of electric power sources in an electric system wherein a load device having at least one electrically operated load is electrically connected to said plurality of electric power sources, said power source monitoring apparatus comprising:a detecting portion which detects at least one of a voltage and a current of at least one of said load device, said at least one subject power source, and at least one non-subject power source which consists of said plurality of electric power sources except said at least one subject power source; anda first diagnosing device which diagnoses said each subject power source for an abnormality on the basis of an output of said detecting portion, while said electric system is placed in a power supply state wherein an electric power is permitted to be supplied from only said subject power source to said load device.