a function usually performed by gating light source-photoreceiver pair; asking (interrogating) whether a certain condition has been met (for example, proper fill level in boxes moving along a conveyor), and thereby enabling or disabling an inspect light source-photoreceiver pair (which will count only full boxes).

In sensing logic schemes, an interrogate signal allows the information from one or more other inputs to be recognized by the inspection or control logic. Also called "gate" or "enable."

To question formally; to question; to examine by asking questions; as, to interrogate a witness.

To ask questions.

An interrogation; a question.

Retrieve information from computer files by use of predefined inquiries or unstructured queries handled by a high-level retrieval language.

transmit (a signal) for setting off an appropriate response, as in telecommunication