Remote Field Device Operation via Pixel Data Transmission
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Solution Overview
Problem
Existing methods for remote operation of field devices require device description databases or drivers, leading to incompatibilities, version dependence, and high hardware costs, limiting operating possibilities.
Innovation Solution
A method and device configuration where a first device supplies data for display content, and a second device visualizes it, allowing remote operation without a device description database or driver, using a shared command set and transmitting pixel data for exact reproduction of the display content.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If device description databases or drivers are used for remote operation, then device compatibility is improved, but hardware cost and system complexity increase
Solution Approach 1:
The patent extracts the device description database and driver requirements from the remote operation system. Instead of requiring these software components on the terminal device, the system uses direct pixel data transmission and visualization, eliminating the need for device-specific databases and drivers while maintaining compatibility
Solution Approach 2:
The patent creates a visual copy of the first device's display content by transmitting pixel data to the second device. This copy allows the terminal device to display and interact with the field device interface without needing the actual device description database or driver software
2Adaptability or versatility
If device description databases are stored locally, then remote operation capability is improved, but storage requirements and hardware cost increase
Solution Approach 1:
The patent removes the requirement for local storage of device description databases by extracting only the essential display content (pixel data) from the first device and transmitting it to the second device. This eliminates the need for local storage infrastructure while maintaining full remote operation capability
Solution Approach 2:
Instead of maintaining permanent local storage of device databases, the system uses temporary pixel data transmission that can be generated and transmitted as needed. This approach replaces expensive permanent storage with inexpensive temporary data transmission
3Reliability
If different device drivers are required for different field devices, then device-specific functionality is improved, but ease of operation deteriorates
Solution Approach 1:
The patent makes the second device universal by enabling it to operate any first device through pixel data transmission and visualization. The terminal device can access and control multiple different field devices without requiring device-specific drivers, as it simply displays and transmits commands based on the visualized pixel content
Data Source
AI summary
A method and a system includes devices for remote operation of a device, especially a field device. The method may be executed on a system including a first device, especially a field device, which supplies data according to a display content, especially image data, to a second device, also a field device for visualizing the image data.