Patent ID: 8077051
Filing Date: 2011-12-13
Classification: G05B,G06Q

Abstract:
1. A fail-to-safe fault detection system, comprising: a) a sensor system to monitor containers as said containers move along a production line, said containers having machine-readable indicia thereon, the sensor system being operative to: b) a fail-to-safe controller to detect the third output and, in response thereto, transmit an alert signal to a production line control system, said production line control system being operative to start and stop the production line and to notify a line operator that the sensor system has failed or is malfunctioning; c) a product verification module to verify reference data being input in the sensor system, wherein the sensor system compares the inputted reference data to data encoded in said indicia, the sensor system requiring an authorization input signal from a user to verify that the reference data has been inputted into the sensor system correctly or has been input by an authorized user, wherein