Patent 7734976 was granted and assigned to Electro Scientific Industries on June, 2010 by the United States Patent and Trademark Office.
A method and apparatus for synchronizing plural test devices coupled to a host. A counter of each of the devices is initialized, and each of the counters is incremented, such as by a periodic signal indicating a start of a data stream. An action, typically either a source signal or a measurement signal, is triggered when a respective counter reaches a programmed counter value.