US PATENT SUBCLASS 72 / 16.1
.~ Including plural sensors or sensor responsive to comparison between plural conditions

Current as of: June, 1999
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72 /   HD   METAL DEFORMING

6.1  DF  WITH USE OF CONTROL MEANS ENERGIZED IN RESPONSE TO ACTIVATOR STIMULATED BY CONDITION SENSOR {7}
16.1.~ Including plural sensors or sensor responsive to comparison between plural conditions {2}
16.2  DF  .~.~> Sensing work or product (e.g., by X-ray) {7}
17.2  DF  .~.~> Sensing tool or tool-linked part

DEFINITION

Classification: 72/16.1

Including plural sensors or sensor responsive to comparison between plural conditions:

(under subclass 6.1) Subject matter including using (a) multiple detecting means to discern a corresponding number of characteristics, or (b) a single detecting means to discern multiple characteristics; in either case, then comparing the characteristics and generating a resultant impulse representing the similarities or differences between the detected characteristics, whereby the regulating means governs the machine in accordance with the resultant impulse to correct incipient errors in the machine or to maintain operation of the machine.

SEE OR SEARCH THIS CLASS, SUBCLASS:

7.2+, 8.1+, and 14.9+, for metal deforming including multiple sensing with comparison of impulses from the sensors.

11.2+, 13.2, 13.7, 14.1, 18.1+, 20.4, and 21.1, for metal deforming including multiple sensing but without comparison of impulses from the sensors.

SEE OR SEARCH CLASS

83, Cutting,

72+, for "self-regulating" or "feedback" control means, and see (4) Note under the definition of Class 72, subclass 6.1.