(under the class definition) Device provided with two or more distinct and independent means capable of receiving input-impulses* and initiating or transmitting tool-selection control impulses in accordance therewith, and further means for determining which of such distinct and independent means should be effective.
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16+, for programmed means to select from a plurality of input sources.
22+, for randomly-controlled shift from one input means to another.
65, for joint control of tool selection by pattern senser and other input means.
