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Technique for Specifying LOGICAL TRIGGER Conditions for a Data Collection Device Disclosure Number: IPCOM000061344D
Original Publication Date: 1986-Jul-01
Included in the Prior Art Database: 2005-Mar-09

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Boscove, JA Kurtz, HL McNeill, AB [+details]


This article describes a technique which allows the data collection device to be programmed to begin capturing data based on values present in the data stream being monitored. By monitoring the data stream for a particular event, as indicated by a logical expression passed to the data collection device, it is possible to begin the data collection process only after the "triggering" condition has been met. This technique allows better us of available memory for capturing data by not storing data which has been previously determined to be of no useful value. The method described may be implemented easily by the microprocessor present in the data collection device. A technician terminal for diagnosis of automotive problems connects to the vehicle assembly line diagnostic link (ALDL).