FIELD: radio antennas of moving objects, for instance sea ships. SUBSTANCE: coaxial feeders 4,5 of vertical dipoles 1,2 arranged one above the other are rolled up into a cylindrical helix, whose lead is less than its diameter. EFFECT: enhanced efficiency. 2 dwg
Title | Year | Author | Number |
---|---|---|---|
MAST ANTENNA ASSEMBLY | 1990 |
|
RU2012111C1 |
BICONICAL ANTENNA | 1991 |
|
RU2022428C1 |
DIPOLE WITH SHUNT AND COAXIAL FEEDER | 1996 |
|
RU2110120C1 |
TOP-FEED ANTENNA | 1992 |
|
RU2061985C1 |
VERTICAL WIDE-BAND AERIAL | 1991 |
|
RU2036540C1 |
ANTENNA | 1992 |
|
RU2042991C1 |
UPPER FEEDING AERIAL | 0 |
|
SU1786565A1 |
ANTENNA | 0 |
|
SU380229A1 |
ASYMMETRICAL L- OR T-SHAPED ANTENNA | 1992 |
|
RU2074463C1 |
WIDE-BASE UPPER LOAD ANTENNA | 1992 |
|
RU2068604C1 |
Authors
Dates
1997-03-20—Published
1992-02-13—Filed