Patent ID: 8053936

Claim:
A power supply circuit comprising: a power source; a first load connected in parallel to the power source; a second load connected in parallel to the power source; a first power line configured to connect the power source to the first load; a second power line configured to connect the power source to the second load; a power line connector configured to connect the first power line and the second power line together in such a manner that even when one of the first and second power lines is broken, each of the first and second loads is supplied with electric power from the power source through the other of the first and second power lines; a first rectifier device connected to the first power line between the power source and the power line connector, the first rectifier device allowing an electric current in a first direction from the power source to the first load and blocking the electric current in a second direction opposite to the first direction; and a second rectifier device connected to the second power line between the power source and the power line connector, the second rectifier device allowing the electric current in a third direction from the power source to the second load and blocking the electric current in a fourth direction opposite to the third direction.