Patent ID: 11948126
Assignee: BEA INC.
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 9:
10. A shelving unit system comprising:
a shelving unit having an interior, a plurality of items provided in the interior of the shelving unit; and
a laser detection system comprising:
at least one laser device projecting a light curtain adjacent to at least a portion of the interior of the shelving unit; and
a controller comprising:
a processor; and
non-transitory, processor-readable memory including executable instructions that, when executed by the processor, cause the controller to:
receive a signal from the at least one laser device, the signal including an interference point of an object with the light curtain, and distance data indicating a distance between the interference point and the at least one laser device;
determine a location at which the object enters the light curtain based on the distance between the interference point and the at least one laser device; and
identify an item of the plurality of items located in the interior of the shelving unit behind the light curtain and corresponding to the location at which the object enters the light curtain.