Abstract: An antenna including a ground plane, a metal plate arranged facing the ground plane, and a supply wire for connecting the plate to a generator or a receiver, such that the antenna has a first resonance frequency in a patch antenna mode. The antenna further includes a ground wire connecting the plate to the ground plane, and a capacitive element arranged in series with the ground wire between the supply wire and the ground plane, such that the antenna also has a second resonance frequency in a wire-plate antenna mode.

Abstract: An antenna including a ground plane, a metal plate arranged facing the ground plane, and a supply wire for connecting the plate to a generator or a receiver, such that the antenna has a first resonance frequency in a patch antenna mode. The antenna further includes a ground wire connecting the plate to the ground plane, and a capacitive element arranged in series with the ground wire between the supply wire and the ground plane, such that the antenna also has a second resonance frequency in a wire-plate antenna mode.

Abstract: Apparatus includes an antenna to emit and/or receive radioelectric signals and a strap configured to fasten the apparatus. The antenna includes an antenna loop. The antenna loop includes a conducting plate and a case containing an electronic circuit and having at least one conducting face which extends parallel opposite the conducting plate. The conducting plate and the conducting face of the case are connected electrically together on one side of the conducting face of the case and on the other side are connected electrically with the electronic circuit. The strap includes a conductive portion forming an antenna ground of the antenna and electrically insulated from the conductive plate. The conducting portion of the strap is in capacitive coupling with the conducting plate.

Abstract: 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).

Abstract: Apparatus includes an antenna to emit and/or receive radioelectric signals and a strap configured to fasten the apparatus. The antenna includes an antenna loop. The antenna loop includes a conducting plate and a case containing an electronic circuit and having at least one conducting face which extends parallel opposite the conducting plate. The conducting plate and the conducting face of the case are connected electrically together on one side of the conducting face of the case and on the other side are connected electrically with the electronic circuit. The strap includes a conductive portion forming an antenna ground of the antenna and electrically insulated from the conductive plate. The conducting portion of the strap is in capacitive coupling with the conducting plate.

Abstract: 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).

Abstract: In the field of telecommunications antennas suitable for portable communication casings, a monopole radio antenna is provided, including an etched conducting surface, including a ground plane, a structure of conducting lines, and a signal injection point in the structure of conducting lines. The structure of conducting lines comprises a first meander conducting line having multiple strands elongated in a first direction, a second meander conducting line symmetrical to the first conducting line in relation to a median line passing in the plane via the injection point and perpendicular to a general direction of elongation of the strands, the two lines starting from the injection point, and a common surface connected to the ends of the conducting lines distant from the injection point. The antenna is less sensitive to radiation efficiency reductions due to the presence of a plastic hood enclosing the antenna.

Abstract: In the field of electronic apparatuses that can be held in the hand and that comprise a miniaturized radio antenna, an apparatus comprises a casing of generally parallelepipidal form with a main face and a first small side. The antenna extends partly along the main face and partly over the first side. It comprises a conductive structure divided up so as to form a meandering inductive conductive line linked to a main conductive surface which extends over most of the first side and which is folded at the ends of this first side onto a second and a third side adjacent to the main face to form two folded lateral wings, at least one respective slot being provided to separate each wing from the main conductive surface and thus narrow and lengthen the paths of the electric currents going to the folded lateral wings.

Abstract: In the field of electronic apparatuses that can be held in the hand and that comprise a miniaturized radio antenna, an apparatus comprises a casing of generally parallelepipidal form with a main face and a first small side. The antenna extends partly along the main face and partly over the first side. It comprises a conductive structure divided up so as to form a meandering inductive conductive line linked to a main conductive surface which extends over most of the first side and which is folded at the ends of this first side onto a second and a third side adjacent to the main face to form two folded lateral wings, at least one respective slot being provided to separate each wing from the main conductive surface and thus narrow and lengthen the paths of the electric currents going to the folded lateral wings.

Abstract: In the field of telecommunications antennas suitable for portable communication casings, a monopole radio antenna is provided, including an etched conducting surface, including a ground plane, a structure of conducting lines, and a signal injection point in the structure of conducting lines. The structure of conducting lines comprises a first meander conducting line having multiple strands elongated in a first direction, a second meander conducting line symmetrical to the first conducting line in relation to a median line passing in the plane via the injection point and perpendicular to a general direction of elongation of the strands, the two lines starting from the injection point, and a common surface connected to the ends of the conducting lines distant from the injection point. The antenna is less sensitive to radiation efficiency reductions due to the presence of a plastic hood enclosing the antenna.

Abstract: An apparatus comprising: a ground member (22) including an edge (32); a near field coupling member (30) configured to electromagnetically couple with other coupling members (41) external to the apparatus (12), and being configured to receive signals from and/or provide signals to radio frequency circuitry (14), at least a first portion (44) of the one or more loops being positioned adjacent or at the edge (32) of the ground member, the near field coupling member (30) including one or more loops defining an aperture (42), the near field coupling member being configured to receive one or more antennas (18) within the aperture (42) of the one or more loops. The first portion (44) of the one or more loops may be positioned outside of the edge of the ground member and be separated from the edge by a first gap (46). The apparatus may further comprise one or more decoupling members (48) configured to reduce interference between the near field coupling member and the one or more antennas (18).