US 12,434,910 B2
Order fulfillment operator tracker
Michael S. Khodl, Grand Rapids, MI (US)
Assigned to Dematic Corp., Grand Rapids, MI (US)
Filed by Dematic Corp., Grand Rapids, MI (US)
Filed on Dec. 3, 2021, as Appl. No. 17/541,775.
Claims priority of provisional application 63/120,959, filed on Dec. 3, 2020.
Prior Publication US 2022/0177227 A1, Jun. 9, 2022
Int. Cl. B65G 1/137 (2006.01); G06K 7/14 (2006.01); G06Q 10/087 (2023.01)
CPC B65G 1/1371 (2013.01) [B65G 1/1378 (2013.01); G06K 7/1404 (2013.01); G06Q 10/087 (2013.01); B65G 2209/04 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method for verifying a pick or put of an item at a particular location within an order fulfilment workstation, said method comprising:
observing an operator at the workstation with a plurality of optical devices that are in communication with an order fulfillment control system, wherein the workstation comprises a plurality of receptacles in spaced arrangement;
performing, by the operator, a pick or put operation for an item at a particular three-dimensional location in one of the receptacles of the workstation, wherein the pick or put operation is assigned to the operator by the control system;
capturing image data, with the optical devices, of an indicia located on the operator as the operator performs the pick or put operation at the particular three-dimensional location;
transmitting the image data to the control system;
determining, with the control system, the three-dimensional location of the indicia in relation to the receptacle based on the image data received by the control system; and
verifying, with the control system, that the operator has completed the assigned pick or put operation at the particular three-dimensional location within the receptacle based on the three-dimensional location of the indicia taking into account movement about the particular three-dimensional location due to environmental conditions including temperature and/or humidity to facilitate performance of precise automated operations.