Patent ID: 9528754
Filing Date: 2016-12-27
CPC Classification: F21V,F21W,F21Y,F25D,H05B

Claim Text:
1. A refrigerator appliance comprising: a cabinet having a temperature-controlled compartment defined therein; a shelf ladder disposed in the temperature-controlled compartment and providing a plurality of shelf mounting positions, the shelf ladder comprising a plurality of electrical connectors such that each of the plurality of shelf mounting positions has a corresponding electrical connector; a plurality of adjustable shelves each carrying at least one lighting device, each of the plurality of adjustable shelves being removably mounted in one of the plurality of shelf mounting positions such that the at least one lighting device is electrically coupled to the corresponding electrical connector, wherein the plurality of adjustable shelves includes a first shelf and a second shelf; and a power supply circuit that is electrically coupled to the plurality of electrical connectors of the shelf ladder, the power supply circuit being configured to: a) determine which of the plurality of shelf mounting positions the first shelf is mounted in; b) determine which of the plurality of shelf mounting positions the second shelf is mounted in; and c) supply power to the first shelf based on the determined position of the first shelf and the determined position of the second shelf.