Abstract: A planar antenna module according to one preferred embodiment of the present invention comprises an antenna portion (101), a feeder portion (102), and a connection plate (18). The antenna portion (101) includes a first ground plate (11) having a first slot (21), a second ground plate (12) having dielectrics, an antenna substrate having a radiation element (41), a third ground plate (13) having dielectrics, a fourth ground plate (14). The feeder portion (102) includes the fourth ground plate (14), a fifth ground plate (15), a feed substrate (50), a sixth ground plate (16), a seventh ground plate (17). The connection plate (18) has a second waveguide opening portion (64).

Abstract: A ground conductor (1) has a through hole provided through an area thereof for connection with a waveguide (6), with dimensions substantially equal to cavity dimensions of the waveguide (6), and a metallic spacer (7a) is provided as a holding element for a film substrate (4), with an even thickness to a dielectric substrate (2a), the metallic spacer (7a) having dimensions E1 and E2 of cavity walls thereof changed in accordance with a desirable frequency, and cooperating with another metallic spacer (7b) having substantially equal dimensions to the metallic spacer (7a), to sandwich the film substrate (4) in between, and in addition, an upper ground conductor (5) is arranged on the other metallic spacer (7b), and a quadrate resonant patch pattern (8) is formed at an end of the strip line conductor (3) formed to the film subs ate (4), on an area corresponding to a transducer end of the waveguide (6), while a combination of the quadrate resonant patch pattern (8) and the waveguide (6) is arranged such that the qu

Abstract: A ground conductor (1) has a through hole provided through an area thereof for connection with a waveguide (6), with dimensions substantially equal to cavity dimensions of the waveguide (6), and a metallic spacer (7a) is provided as a holding element for a film substrate (4), with an even thickness to a dielectric substrate (2a), the metallic spacer (7a) having dimensions E1 and E2 of cavity walls thereof changed in accordance with a desirable frequency, and cooperating with another metallic spacer (7b) having substantially equal dimensions to the metallic spacer (7a), to sandwich the film substrate (4) in between, and in addition, an upper ground conductor (5) is arranged on the other metallic spacer (7b), and a quadrate resonant patch pattern (8) is formed at an end of the strip line conductor (3) formed to the film subs ate (4), on an area corresponding to a transducer end of the waveguide (6), while a combination of the quadrate resonant patch pattern (8) and the waveguide (6) is arranged such that the qu

Abstract: The present invention provides inexpensively a planar antenna module that is able to realize a loss reduction, a reduction in characteristic variation caused by an assembling error, and an improved stability in frequency characteristics. A planar antenna module according to one preferred embodiment of the present invention comprises an antenna portion (101), a feeder portion (102), and a connection plate (18). The antenna portion (101) includes a first ground plate (11) having a first slot (21), a second ground plate (12) having dielectrics, an antenna substrate having a radiation element (41), a third ground plate (13) having dielectrics, a fourth ground plate (14). The feeder portion (102) includes the fourth ground plate (14), a fifth ground plate (15), a feed substrate (50), a sixth ground plate (16), a seventh ground plate (17). The connection plate (18) has a second waveguide opening portion (64).

Abstract: The present invention provides inexpensively a planar antenna module that is able to realize a loss reduction, a reduction in characteristic variation caused by an assembling error, and an improved stability in frequency characteristics. A planar antenna module according to one preferred embodiment of the present invention comprises an antenna portion (101), a feeder portion (102), and a connection plate (18). The antenna portion (101) includes a first ground plate (11) having a first slot (21), a second ground plate (12) having dielectrics, an antenna substrate having a radiation element (41), a third ground plate (13) having dielectrics, a fourth ground plate (14). The feeder portion (102) includes the fourth ground plate (14), a fifth ground plate (15), a feed substrate (50), a sixth ground plate (16), a seventh ground plate (17). The connection plate (18) has a second waveguide opening portion (64).

Abstract: The present invention provides inexpensively a planar antenna module that is able to realize a loss reduction, a reduction in characteristic variation caused by an assembling error, and an improved stability in frequency characteristics. A planar antenna module according to one preferred embodiment of the present invention comprises an antenna portion (101), a feeder portion (102), and a connection plate (18). The antenna portion (101) includes a first ground plate (11) having a first slot (21), a second ground plate (12) having dielectrics, an antenna substrate having a radiation element (41), a third ground plate (13) having dielectrics, a fourth ground plate (14). The feeder portion (102) includes the fourth ground plate (14), a fifth ground plate (15), a feed substrate (50), a sixth ground plate (16), a seventh ground plate (17). The connection plate (18) has a second waveguide opening portion (64).

Abstract: A triplate-type planar array antenna is provided with an antenna circuit board (3) on which an antenna circuit including a plurality of radiating elements (5), which are vertically and horizontally arrayed in a two-dimensional manner, and feedlines (6) is formed; two pieces of dielectric substances (2a, 2b) between which the antenna circuit board (3) is sandwiched at the both sides; a ground conductor (1) laminated on one dielectric substance (2b); and a slot board (4) laminated on the other dielectric substance (2a). One or more slot openings (7) corresponding to the plurality of radiating elements (5) with a linear arrangement are formed on the slot board (4).

Abstract: A beam scanning plane antenna is formed by stacking, in order, a system connecting portion, a Rotman lens portion, and a beam scanning antenna portion. The system connecting portion is formed by stacking, in order, a fourth grounding conductor, a sixth dielectric, a connecting substrate and a fifth dielectric. The Rotman lens portion is formed by stacking, in order, a third grounding conductor, a fourth dielectric, a Rotman lens substrate and a third dielectric. The beam scanning antenna portion is formed by stacking, in order, a second grounding conductor, a second dielectric, a power feeding substrate, a first dielectric and a first grounding conductor. A plurality of antenna groups that each include an irradiating element, a power feeding line and a first connecting portion, are formed on the power feeding substrate. The Rotman lens substrate includes a Rotman lens pattern, a second connecting portion and a third connecting portion.

Abstract: This triplate line interfacial connector electrically connects a first triplate line comprised of a first grounding conductor, first dielectric, first power feeding substrate, second dielectric and second grounding conductor, and a second triplate line comprised of a second grounding conductor, third dielectric, second power feeding substrate, fourth dielectric, and third grounding conductor. A patch pattern is formed at a connecting terminal portion of each power feeding line. Two shield spacers each having a through portion around the patch pattern are provided. A first slot is formed at a connecting position between the two triplate lines in the second grounding conductor.

Abstract: A dual-polarization planar antenna includes: a first feeding substrate having a plurality of first radiation elements and a first feeding line; a first dielectric member; a first ground conductor having a plurality of slots; a second dielectric member; a second feeding substrate having a plurality of second radiation elements and a second feeding line; a third dielectric member; and a second ground conductor. The first feeding substrate, the first dielectric member, the first ground conductor, the second dielectric member, the second feeding substrate, the third dielectric member, and the second ground conductor are successively superposed in this order. The first feeding substrate, the first ground conductor, and the second feeding substrate are arranged so that the slots, the first radiation elements, and the second radiation elements are overlapped with one another at the same positions.

Abstract: A plane antenna with high gain and antenna efficiency. The antenna includes an antenna unit comprising: a first dielectric body; a first grounding conductor body provided on a lower side of the first dielectric body; a current supply line in a form of a strip line provided on an upper side of the first dielectric body; a patch shaped radiative element provided on the upper side of the first dielectric body at an end of the current supply line; a second dielectric body formed on the upper side of the first dielectric body over the radiative element and the current supply line; and a second grounding conductor body provided on the upper side of the second dielectric body, which has a slot at a position located directly above the radiative element; wherein the radiative elements and the slots of the plane antenna are arranged in a planar array with a constant interval in two orthogonal directions, where the constant interval has a value equal to 0.72 to 0.93 or more preferably 0.85 to 0.