US Patent 8109301 Illuminated refrigerator dispenser system with sensors

A refrigerator having a dispenser that includes an outlet and that is configured to dispense content through the outlet and along an output flow path. The refrigerator also includes a detection unit configured to detect user activity that is indicative of a desire to fill a container with content using the dispenser. The refrigerator further includes an optical system that is configured to, in response to detecting the user activity, direct a beam of light along at least a portion of the output flow path of the dispenser to assist a user in positioning a container to receive content dispensed along the output flow path.