Descriptions for H01Q and notes/indexes are displayed on this screen.
| H01Q
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ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B 6/72)
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Note(s)
This subclass covers:[3]in addition to the primary active radiating elements,secondary devices for absorbing or for modifying the direction or polarisation of waves radiated from antennas, andcombinations with auxiliary devices such as earthing switches, lead-in devices, and lightning protectors; both transmitting and receiving antennas. This subclass does not cover devices of the waveguide type, such as resonators or lines, not designed as radiating elements, which are covered by subclass H01P.In this subclass, the following expression is used with the meaning indicated:"active radiating element" covers corresponding parts of a receiving antenna.
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Subclass indexes
TYPES OF ANTENNAS | Loop type | 7/00 | Waveguide type | 13/00 | Other type: short; long | 9/00; 11/00 | DEVICES FOR INFLUENCING RADIATED WAVES | Quasi-optical; absorbing | 15/00; 17/00 | COMBINATIONS OF PRIMARY ACTIVE ELEMENTS WITH SECONDARY DEVICES | 19/00 | COMBINATIONS OF ANTENNAS WITH ACTIVE CIRCUITS OR CIRCUIT ELEMENTS | 23/00 | ARRANGEMENTS PROVIDING MORE THAN ONE RADIATION PATTERN | 25/00 | ANTENNA ARRAYS OR SYSTEMS | 21/00 | SPECIAL ARRANGEMENTS | Details; orientation; simultaneity | 1/00; 3/00; 5/00 |
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