(under the class definition) Subject matter wherein the tuner device is substantially completely covered or surrounded by an enclosure and/or a barrier or screen is present for shielding at least a part of the tuner device from external electrical, magnetic or electromagnetic fields, or for protecting part of the tuner device from such fields originating in another part of the circuit, or for preventing the tuner device from emanating such fields or waves containing such fields.
SEE OR SEARCH CLASS
174, Electricity: Conductors and Insulators,
35+, for electrically shielded electrical conductors and insulators; or electrical shields or screens not classifiable in other subclasses of this class, and subclasses 50+ for electrical boxes and houses, per se. Also see the Search Notes under these subclasses for an additional field of search.
336, Inductor Devices,
84+, for inductor devices with electric and/or magnetic shielding means, and subclasses 90+ for housings for inductors.
338, Electrical Resistors, 64+, for resistors having electrical shield, and subclasses 226+ for incased, embedded or housed resistor devices. See also the Search Notes under subclass 226 for a complete field of search on housings.