(under subclass 816) Subject matter wherein electronic systems and devices are provided with shielding or screening means to prevent a disturbance caused by electromagnetic waves that can impair the operation of electrical or electronic equipment.
(1)
The terms "radio interference," "radio-frequency interference," "noise," "emi," and "rfi" have been employed at various times in the same context.
SEE OR SEARCH CLASS
174, Electricity: Conductors and Insulators,
32+, for miscellaneous anti-inductive structures, particularly indented subclasses 35+ for miscellaneous electrical shields and screen structures not elsewhere classifiable.
