Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
142 words
An antenna comprising a conductive cup having a bottom wall and a side wall the end of said cup opposite the bottom wall being open and defining the cup aperture, a dipole having two monopole elements disposed adjacent the plane of said aperture, a pair of spaced coaxial lines extending within said cup parallel to the cup axis, each of said coaxial lines having an outer conductor and an inner conductor, said outer conductors being electrically conducted to the bottom wall of said cup and to the inner ends of said monopole elements, respectively, means for connecting said coaxial lines to utilization apparatus, and means for electrically interconnecting said inner conductors adjacent said monopole elements. 2. The antenna according to claim 1 with a shorting plate electrically connected to said outer conductors and located intermediate said dipole and said cup bottom wall.
Claim 2
Dependent Claim
66 words
The antenna according to claim 2 with a pair of conductive pipes connected to said bottom wall and extending within said cup parallel to the cup axis, said coaxial lines extending through said pipes, respectively, the outer conductor of each coaxial line being electrically connected to the associated pipe, said monopole elements being connected to pipes, respectively, said shorting plate being directly connected to said pipes.
Claim 3
Dependent Claim
30 words
The antenna according to claim 2 in which said utilization apparatus connecting means comprises a balanced transmission line directly electrically connected to the inner conductors, respectively, of said coaxial lines.
Claim 4
Dependent Claim
47 words
The antenna according to claim 2 in which said utilization apparatus connecting means comprises an impedance transformer and a coaxial input line between said utilization apparatus and the transformer, said transformer having two antiphase outputs connected to the inner conductors, respectively, of said pair of coaxial lines.
Claim 5
Dependent Claim
171 words
An antenna comprising a conductive cup having a bottom wall and a side wall, the end of said cup opposite the bottom wall being open and defining the cup aperture, a pair of dipoles disposed near the plane of said aperture with the dipole axes at right angles to each other, each of said dipoles having two monopole elements, four rigid conductive pipes connected to said bottom wall and extending within the cup parallel to the cup axis, the inner ends of said monopole elements being connected to said pipes, respectively, means for electrically interconnecting said pipes at a predetermined location between the aperture and bottom wall of the cup, four coaxial lines extending through said pipes, respectively, each of said coaxial lines having an outer conductor electrically connected to the associated pipe and each having an inner conductor, means for electrically interconnecting the inner conductors of each pair of coaxial lines associated with the monopole elements of each dipole adjacent said aperture, and means for electrically energizing said coaxial lines.
Claim 6
Dependent Claim
171 words
An antenna comprising a conductive cup having a bottom wall and a side wall, the end of said cup opposite the bottom wall being open and defining the cup aperture, a pair of dipoles disposed near the plane of said aperture with the dipole axes at right angles to each other, each of said dipoles having two monopole elements, four rigid conductive pipes connected to said bottom wall and extending within the cup parallel to the cup axis, the inner ends of said monopole elements being connected to said pipes, respectively, means for electrically interconnecting said pipes at a predetermined location between the aperture and bottom wall of the cup, four coaxial lines extending through said pipes, respectively, each of said coaxial lines having an outer conductor electrically connected to the associated pipe and each having an inner conductor, means for electrically interconnecting the inner conductors of each pair of coaxial lines associated with the monopole elements of each dipole adjacent said aperture, and means for electrically energizing said coaxial lines.
Claim 7
Dependent Claim
56 words
The antenna according to claim 6 in which the inner conductors of one of said pairs of coaxial lines are electrically interconnected by one transverse extension, the inner conductors of the other of said pairs of coaxial lines being electrically interconnected by another transverse extension axially spaced from and equal in length to said one extension.