Patent ID: 6426698
Filing Date: 2002-07-30
Classification: G08B

Abstract:
A method for processing items at different process stages, comprising the steps of loading said items into one of a plurality of lot boxes, transporting said one of the plurality of lot boxes from a first to a second of said process stages, and unloading said one of the plurality of lot boxes at said second process stage, wherein each of said plurality of lot boxes is furnished with one of a remote control signalling device from a plurality of remote control signaling devices,said method further comprising the steps of: transmitting RF-commands including a unique address of at least one of said plurality of remote control signalling devices by a central control unit to program said one of the plurality of lot boxes to detect a predetermined point in time, and upon detecting the predetermined point in time, signalling an alarm by said remote control signalling device corresponding to the unique address.