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All electronic equipment generates rf electrical noise due to its own operation. However, to provide a secure data processing system, it is necessary to contain such noise.
English (United States)
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Technique to Provide a Secure Data Processing System
All electronic equipment generates rf electrical noise due to its own operation.
However, to provide a secure data processing system, it is necessary to contain
Clearly, it is more practical to provide an enclosure for only the computer
itself. However, such an enclosure must provide for secure input/output
An rf Shielded Enclosure. As shown in FIG. 1, an enclosure is formed by a
six (6) sided structure of a rigid ferrous material, such as steel, having various
doors to provide a complete rf sealed enclosure.
The I/O Interface Panel. As shown in FIG. 2, the basic features of an
effective interface I/O panel are illustrated to provide the necessary filtered
connectors for access inside of and outside of an enclosure that is rf shielded;
provisions for different types of connectors are included also. A suitable rf gasket
material is provided around the periphery of the I/O panel for providing an
effective seal with the enclosure.