(under subclass 37) Subject matter including means for detecting or correcting either (a) a change in information content of transaction* data from that which is correct, or (b) a failure or malfunction of a component*.
SEE OR SEARCH CLASS
194, Check-Actuated Control Mechanisms,
200+, for a control mechanism with means responsive to an equipment malfunction.
708, Electrical Computers: Arithmetic Processing and Calculating,
530+, for detection or correction of mistakes in arithmetical operations.
713, Electrical Computers and Digital Processing Systems: Support,
200+, for security in digital processing systems. 714, Error Detection/Correction and Fault Detection/Recovery,
appropriate subclasses for error or fault recovery means of general utility, particularly
3+, for systems which recover from a component failure by replacement with a spare.
