Patent ID: 8341741

Claim:
An intrinsically safe remote data monitoring system comprising: a process control computer or computer system that monitors or controls a controlled process, and a remote monitoring computer or computer system that remotely monitors the process control computer or computer system, wherein the intrinsically safe remote data monitoring system further comprises a signal collecting device or system physically connected via one-way transmission, without through network, with the process control computer or computer system, for acquiring a data signal from the process control computer or computer system, and a local monitoring computer or computer system connected with the signal collecting device or system, wherein said local monitoring computer or computer system is connected with the remote monitoring computer or computer system through network, said signal collecting device or system is an image or video collecting device, wherein the image or video collecting device converts the data signal into an image or video format file, then the image or video format file is converted into text format data or floating-point format data, and the local monitoring computer or computer system sends the text format data or floating-point format data to the remote monitoring computer or computer system for monitoring through a network data transmission system.