Teradyne, Inc.

Eric A Martens

Michael W Hamblin

Peter P Neihardt

A circuit-board-processing line ( ) employing various circuit-board-processing machines ( , and ) includes SMEMA-device emulators ( and ) interposed in the SMEMA channels between successive board-processing machines. Coordination circuitry ( ) receives from those emulators reports of the signals that they observe, and it controls various line machinery and other emulators in response. It similarly controls the emulators in response to information that it receives from various board-processing machines. In this way, the system is able to provide reporting and control features that the board-processing machines do not provide inherently.

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Derry, NH, United States of America

Eric A Martens