Patent ID: 7801640
Filing Date: 2010-09-21
Classification: B65G

Abstract:
1. A computer-readable storage medium storing a program, wherein the program is computer-executable to: determine a pick window start time for an identified item that is to be picked, after which the identified item is to be picked, wherein determining the pick window start time comprises subtracting from an item assembly point residency start time an amount of time that the identified item is expected to take to travel to an item assembly point; determine a pick window end time for the identified item, before which the identified item is to be picked, wherein determining the pick window end time comprises subtracting from an item assembly point residency end time an amount of time that the identified item is expected to take to travel to the item assembly point; and issue a picking instruction to a picker for the identified item, wherein the picking instruction is issued according to the pick window start time and pick window end time.