Electrical computers and digital data processing systems: input/ – Input/output data processing – Peripheral adapting
Reexamination Certificate
2003-09-24
2008-03-04
Chen, Alan S. (Department: 2182)
Electrical computers and digital data processing systems: input/
Input/output data processing
Peripheral adapting
C710S063000, C710S064000, C710S065000, C710S069000
Reexamination Certificate
active
07340543
ABSTRACT:
A circuit card assembly provides signal conditioning for signal discretes in control systems integrating a legacy, distributed processing architecture and a distributed I/O control system. Signal conditioning functions are determined, and the necessary physical circuits to perform the signal conditioning functions are incorporated into a circuit card. The Integrated Signal Conditioning Circuit Card Assembly is installed within the control system between legacy controllers and distributed I/O modules. The Integrated Signal Conditioning Circuit Card Assembly may leave any discrete signal unaltered or otherwise condition discretes with interrupt, interrupt on demand, over-ride, and monitor circuits. The centralized processor accesses and controls the conditioned discretes transmitted over a common hardware connection for use in system feedback and control.
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Chen Alan S.
Lockheed Martin Corporation
Michael & Best & Friedrich LLP
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