US PATENT SUBCLASS 307 / 89
ANTI-INDUCTION OR COUPLING TO OTHER SYSTEMS
Current as of:
June, 1999
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307 /
HD
ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS
89
ANTI-INDUCTION OR COUPLING TO OTHER SYSTEMS
{2}
90
DF
.~
> Inducing current control
91
DF
.~
> Magnetic or electrostatic field control (e.g., shielding)
DEFINITION
Classification: 307/89
(under the class definition) Subject matter relating to systems which prevent induction or coupling to other systems.
SEE OR SEARCH CLASS
174, Electricity: Conductors and Insulators,
32+, for conductor structures which are designed so as to prevent interference.
178, Telegraphy,
69, for telegraph systems having means to prevent inductive effects.
315, Electric Lamp and Discharge Devices: Systems, 85, for electric lamp and discharge device systems having means to prevent radiation.
333, Wave Transmission Lines and Networks,
12, for communication type transmission networks having means to prevent inductive effects.
336, Inductor Devices,
84+, for inductive devices with electric and/or magnetic
shielding, also subclass 83 for inductors where the core forms the casing which affords shielding for the inductor.
343, Communications: Radio Wave Antennas,
841+, 851 and 905 for antennas involving shielding.
379, Telephonic Communications,
116+, for telephone systems having means to prevent inductive effects.
