(under the class definition) Process in which a process parameter is measured and that or another process parameter is varied responsive to such measurement.
(1) Note. The measurement should be by a nonsubjective means, i.e., mere observation by an operator is not sufficient to constitute measurement for purposes of this subclass.
SEE OR SEARCH THIS CLASS, SUBCLASS:
289, and 290, for condition or time responsive control apparatus.
SEE OR SEARCH CLASS
364, Electrical Computers and Data Processing Systems, 528.01+ for chemical process control or monitoring systems.
702, Data Processing: Measuring, Calibrating, or Testing, 19+, for data processing in biological or biochemical applications, and subclasses 22+ for chemical analysis data processing.