Event history data acquisition

Details Event history data acquisition Event history data acquisition

1995-08-28

1998-08-04

Voeltz, Emanuel T.

Boots, shoes, and leggings

364550, 607 27, G11B 2010, A61N 137

Patent

active

057904278

ABSTRACT:
An event data recorder and method for recording data relating to a distinct event which pertains to operation of a mechanism. The recorder comprises a device for collecting data pertaining to such operation and formatting such data into a sequence of data elements. A circular buffer is linked to the collecting and formatting device for temporarily storing a number of data elements. The elements are stored on the buffer as a newest element continuously writes over an oldest element as a storage limit of the buffer is reached. The recorder also includes a timer of predetermined duration which activates upon each occurrence of such event. The recorder has a memory device for retaining the data elements. The elements can be accessed therefrom for analysis of such operation of such mechanism surrounding such event. The recorder further includes a data element transfer device, connected to the timer, for transferring the elements from the buffer to the memory device wherein for each occurence of such event a preselected number of the data elements stored prior to, and including, an instant the timer deactivates is transferred by the transfer device from the buffer to the memory device. A data log is thereby formed within the memory device from which the elements may be accessed for analysis of such operation of such mechanism.

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