| 摘要 |
<p>A process controller for ensuring secure operations of the controlled process having an access regulator for validating the contents of and controlling access between a user interface and a number of files. The access regulator has a control generator and an associated timer device for analysing a data access request from the user interface and generating a temporary two part authority register appropriate to the data access request for comparison with a validation word to permit or deny access. <IMAGE></p> |
