(under the class definition) Inductor devices comprising means to modify the inherent capacitive effects between (1) adjacent turns of a winding, or (2) between adjacent windings, or (3) between windings or turns and adjacent structure such as a core or casing therefor.
(1) Note. The modification of the capacitive effects may be accomplished, for example, by the provision of appropriately
placed shield members, or open-circuited auxiliary coils, or by use of a dielectric of graded thickness or composition.
(2) Note. The capacitive effect modifying means may be, for example, to eliminate undesired coupling between windings, or to protect the inductor from breakdown of the insulation on the occurrence of high amplitude transient potentials at the inductor terminals (see indented subclass 70 for such transient control).
(3) Note. Mere arrangement of the conductor winding pattern to prevent undesired coupling between coils is not subject matter for this subclass. Such subject matter may be found in the appropriate subclass for the structure involved.
SEE OR SEARCH CLASS
178, Telegraphy, appropriate subclasses for telegraph systems with inductors and capacity balancing means, especially 45, for loading coils, and subclasses 63 and 69 for cable or line capacity correction.
307, Electrical Transmission or Interconnection Systems,
89+, for anti-inductive systems in general.
333, Wave Transmission Lines and Networks, appropriate subclasses for wave transmission lines and networks having inductor elements including means to balance the capacitance of the elements with respect to a particular potential plane, see particularly
4+, 117+ and 25+.
361, Electricity: Electrical Systems and Devices,
270, for structural combinations of an inductor and a capacitor.
379, Telephonic Communications, appropriate subclasses for telephone systems with inductors and capacity balancing means, especially
398, and 415 for anti-inductive telephone devices.
