Patent ID: 6071382
Filing Date: 2000-06-06
Classification: D21G,Y10S

Abstract:
In a sheet measurement and control system used for a sensor head which reciprocally scans a sheet in a cross direction transverse to direction of sheet flow, said system comprising:sensor means disposed in said sensor head for measuring one or more variables of characteristics of said sheet;computation means disposed in said sensor head and connected to said sensor means for processing measuring signals outputted by said sensor means; andinterface means for monitoring and controlling sheet manufacturing process by monitoring said one or more variables of characteristics of said sheet as measured by said sensor means and by instructions entered into said interface means in response to the monitoring;the improvement comprising:communication control means disposed in said sensor head and connected to said computation means for communicating output signals from said computation means to a general network communication means; andsaid general network communication means being interconnected between said communication control means and said interface means for providing output signals from said communication control means to be monitored and upon instructions from said interface means said output signals are used to control said sheet manufacturing process; andwherein said sensor means comprises a plurality of replaceable sensors; said computation means comprises a corresponding number of replaceable computation devices; and said communication control means comprises a corres ponding number of replaceable communication control devices.