Patent ID: 6958844

Claim:
A vehicular electrical system, comprising: at least one electrically operated rearview mirror element; a power supply configured to receive power from a vehicle power source having a first voltage, said power supply is further configured to supply power to said at least one electrically operated rearview mirror element and at least one electrically powered device at a second voltage less than said first voltage, the vehicular electrical system exhibiting an electromagnetic interference level less than about 47.8 dBμV/m for emissions in the frequency range from about 0.4 MHz to about 1000 MHz; and said at least one electrically powered device is selected from the group comprising: a light-emitting diode, a break light, a center high-mounted stop lamp, a cargo light, a turn signal indicator assembly, a cellular telephone transceiver, a trainable transceiver, a user activated switch, a tire pressure monitoring system, a GPS receiver, a compass, a display, a vehicle bus interface and a light sensor.