US PATENT SUBCLASS 234 / 25
.~ Embodying means to detect indicium in work or pattern

Current as of: June, 1999
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234 /   HD   SELECTIVE CUTTING (E.G., PUNCHING)

22  DF  WITH MEANS TO IMPOSE RANDOMLY ACTUATED CONTROL OF AUXILIARY-OPERATION {3}
25.~ Embodying means to detect indicium in work or pattern {2}
26  DF  .~.~> With group number control of recording {1}
28  DF  .~.~> With means to control feed {1}

DEFINITION

Classification: 234/25

(under subclass 22) Device provided with additional means which is capable of sensing data or a characteristic of a pattern* or workpiece*and initiating the control-imposing signal or impulse in response to the sensing of a predetermined symbol or characteristic.

(1) Note. See (2) Note under subclass 22.

SEE OR SEARCH THIS CLASS, SUBCLASS:

33+, for a control which may be initiated jointly by work-sensing means and other means.

63+, for means to control tool selection by detection of indicia in workpiece.