An eLORAN receiver may include an antenna and eLORAN receiver circuitry coupled to the antenna. The antenna may have a ferromagnetic core including a ferromagnetic medial portion and ferromagnetic arms extending outwardly from the ferromagnetic medial portion, a respective electrically conductive winding surrounding each of the ferromagnetic arms, and an electrically conductive patch element adjacent the ferromagnetic core.

An eLORAN receiver may include an antenna and eLORAN receiver circuitry coupled to the antenna. The antenna may have a ferromagnetic core including a ferromagnetic medial portion and ferromagnetic arms extending outwardly from the ferromagnetic medial portion, a respective electrically conductive winding surrounding each of the ferromagnetic arms, and an electrically conductive patch element adjacent the ferromagnetic core.

A wire-patch antenna includes a ground plane; a capacitive roof placed facing the ground plane at a predetermined distance of separation; a probe feed; at least one electrically conductive short-circuiting wire linking the capacitive roof and the ground plane, the short-circuiting wire being intended to excite a first resonant mode at a first resonant wavelength; and at least one electrically conductive impedance-matching wire linking the conductive short-circuiting wire and the probe feed so as to create a parasitic inductor.

An antenna device includes a first antenna and a second antenna provided in a case. The first antenna includes a first capacitance loading element and is configured to at least one of receive and transmit a signal in a first frequency band. The second antenna includes a second capacitance loading element and is configured to at least one of receive and transmit a signal in a second frequency band. The second frequency band is higher than the first frequency band. The second capacitance loading element is disposed at a front side of the first capacitance loading element.

A wire-plate antenna (10) comprises a ground plane (11), at least one capacitive roof (12), a feed probe (13) connected to the capacitive roof (12) and intended to be linked to a generator, and at least one electrically conductive short-circuit wire (14) linking the capacitive roof (12) and the ground plane (11). The capacitive roof (12) comprises at least one slit (15) consisting of an opening passing through the entire thickness of the capacitive roof (12) so as to emerge on each of the two opposing faces of the capacitive roof (12) and configured such that the point of connection (M1) between the capacitive roof (12) and the feed probe (13) and the point of connection (M2) between the capacitive roof (12) and the electrically conductive short-circuit wire (14) are arranged on either side of the slit (15).

A wire-plate antenna (10) comprises a ground plane (11), at least one capacitive roof (12), a feed probe (13) connected to the capacitive roof (12) and intended to be linked to a generator, and at least one electrically conductive short-circuit wire (14) linking the capacitive roof (12) and the ground plane (11). The capacitive roof (12) comprises at least one slit (15) consisting of an opening passing through the entire thickness of the capacitive roof (12) so as to emerge on each of the two opposing faces of the capacitive roof (12) and configured such that the point of connection (M1) between the capacitive roof (12) and the feed probe (13) and the point of connection (M2) between the capacitive roof (12) and the electrically conductive short-circuit wire (14) are arranged on either side of the slit (15).

An antenna device includes: a planar antenna; and a metal body arranged a predetermined distance above the planar antenna, wherein the metal body is shifted in a predetermined direction with respect to the planar antenna, wherein the metal body is a metal plate and/or a parasitic element. The antenna device further includes an antenna which corresponds to a frequency band different from that of the planar antenna and a holder configured to maintain the predetermined distance between the planar antemla and the metal body, wherein the antenna is arranged in the predetermined direction.

An antenna device includes: a planar antenna; and a metal body arranged a predetermined distance above the planar antenna, wherein the metal body is shifted in a predetermined direction with respect to the planar antenna, wherein the metal body is a metal plate and/or a parasitic element. The antenna device further includes an antenna which corresponds to a frequency band different from that of the planar antenna and a holder configured to maintain the predetermined distance between the planar antemla and the metal body, wherein the antenna is arranged in the predetermined direction.

An antenna system comprises a substrate, an antenna positioned on the substrate, and a circuit component positioned on the substrate. The antenna is positioned on a first surface of the substrate and operable to emit a radiation pattern. The circuit component is positioned on the substrate in a null region of the radiation pattern. The thickness of portions of the substrate are modified to achieve a desired performance characteristic of the antenna.

An Antenna Radiating Element provides 4 simultaneous isolated radiation ports that can be used to increase the orders of MIMO communication for wireless applications. An antenna array that contains a plurality of the Quad-Port Radiating Elements (QPRE). An antenna that contains multiple arrays of the QPRE in single-band or Multi-Band configurations that produces 2× the available polarization states without the need to increase the antenna aperture or reduce the size of the antenna array.