Invention Grant
US07076312B2 Integrated electronic signatures for approval of process control and safety system software objects 有权
集成电子签名,用于批准过程控制和安全系统软件对象

Integrated electronic signatures for approval of process control and safety system software objects
Abstract:
A software object approval system is integrated with a process control or safety system environment and, in particular, with a process control or safety system design environment to implement and manage electronic approval of new software objects created within the process control and safety system environment. The software object approval system electronically generates identification information representing a group of entities whose approval is needed prior to implementing a software object within the process control or safety system. The system may then send the software object to the entities and receive from each entity an electronic indication regarding approval of the software object. The approval system prevents the process control or safety system from implementing the software object until each entity within the group of entities approves the software object.
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