Abstract: An antenna including a magnetic core made of a soft-magnetic non-electro conductive material, including four corner protuberances defining two orthogonal winding channels around the magnetic core; X-winding (DX), Y-winding (DY) and Z-winding (DZ) of conductive wire orthogonal to one another wound around the magnetic core, wherein the antenna further has a first soft magnetic sheet attached superimposed on said four corner protuberances of the magnetic core providing a limiting edge for the Z-winding (DZ), so that an increase of the sensitivity of the Z-winding (DZ) and a reduced thickness of the antenna in the Z-axis (Z) direction are obtained.

Abstract: The antenna comprises a magnetic core (2), three windings (31, 32, 33) wound around the magnetic core (2) and an electrically insulated base (1) on which the magnetic core (2) wound with these windings (31,32,33) is arranged. The insulated base (1) includes metallic tabs (121 . . . 128) electrically connected to said windings (31, 32, 33) and the base (1) has a bottom surface with electrically conductive plates (131 . . . 138) with connection to the metallic tabs (121 . . . 128) and providing a layout for a SMT mounting, The antenna comprises an electrically insulated cap (4), having an upper surface (4U) including a metallized surface high frequency coil (42) working as a HF antenna and a side surface (4S), two ends (411, 412) of the coil (42) being arranged on the side surface (4S) for connection to the metallic tabs (121 . . . 128) of the electrically insulated base (1).

Abstract: The present invention relates to a low profile triaxial antenna comprising a cross-shaped electromagnetic core (11) provided with four arms finished with front ends 13, an X-axis winding (DX) wound around two arms; a Y-axis winding (DY) wound around two arms; and a Z-axis winding (DZ) wound around a Z-axis, said Z-axis winding (DZ) surrounding the electromagnetic core and at least partially facing said front ends (13); wherein four electromagnetic core portions (12) are each at least partially arranged in a quadrant space defined between two adjacent arms and a portion of Z-axis winding (DZ) miming between the front ends (13) thereof, the assembly of the cross-shaped electromagnetic core (11) and the four electromagnetic core portions (12) generating a composite electromagnetic core (10).

Abstract: The present invention relates to an inductor device, a method of manufacturing same and antenna. The proposed inductor device comprising a magnetic core (1), an electrically insulating support (10) with a cavity (11) arranged around said magnetic core (1), and three windings (DX, DY, DZ) of conductive wire arranged orthogonal to one another, wherein said electrically insulating support (10) is made of a single part and completely houses the magnetic core (1) which is accessible through an opening, the three windings (DX, DY, DZ) being supported on winding supporting faces (12X, 12Y and 12Z) of the electrically insulating support, confined between winding limiting edges (22) defined by lower corner protuberances (20) and centered with respect to the three orthogonal axes (X, Y, Z) such that said electrically insulating support (10) assures symmetry and orthogonality of said electromagnetic field vectors generated by the mentioned inductor device.

Abstract: An antenna for low frequency communication within a vehicle environment, low frequency communication system and uses of the antenna. The antenna comprises a flexible or semi-flexible magnetic core of at least 500 mm, and the magnetic core incorporates a dual coil configuration that provides a first coil configuration for transmission capabilities and a second coil configuration for reception capabilities, and further including means for switching between both of said coil configurations.

Abstract: Three-axis antenna comprising a magnetic core (10) including protuberances (11) on each corner delimiting an X-axis winding channel (12X) and a Y-axis winding channel (12Y); in X-axis coil (20X) within the X-axis winding channel (12X), comprising two separate and adjacent X-axis partial coils (21X); a Y-axis coil (20Y) within the Y-axis winding channel (12Y), comprising two separate and adjacent Y-axis partial coils (21Y); and a Z-axis coil (20Z) surrounding the magnetic core (10), wherein said magnetic core includes at least one X-axis partition wall (14X) dividing the X-axis winding channel (12X) in two X-axis partial winding channels (13X) wherein the two separate and adjacent Y-axis partial coils (21Y) are housed, and at least one Y-axis partition wall (14Y) dividing the Y-axis winding channel (12Y) in two Y-axis partial winding channels (13Y) wherein the two separate and adjacent Y-axis partial coils (21Y) are housed.

Abstract: The present invention relates to an installation and method for winding an elongated flexible inductor, the proposed installation comprising a first conveyor (11) for moving the elongated flexible inductor (1) in a conveyance direction, supported on a conveyance surface (12); a retaining device (13) for fixing the flexible inductor (1) to said conveyance surface (12); winding means for winding a metallic lead wire (30) around a section of the flexible inductor (1) not supported on said conveyance surface (12), comprising at least one lead wire reel (31), a lead wire feed device (32) and a turning device (33), a holding device (20) provided for holding a portion of the already wound flexible inductor (1), being located opposite and spaced from the end of the first conveyor by a minimum predetermined distance, defining a winding area (50) susceptible to being accessed by said lead wire feed device (32); said turning device (33) causing the simultaneous turning of the first conveyor and of said holding device.

Abstract: A radio frequency identification (RFID) tag and a method of monitoring Quality of Service (QoS) of a RFID tag The RFID tag (200) comprising: a first communication module (201) to receive signals from a RFID reader (100) and including means for extracting energy from the received signals providing a supply voltage Vdd to the RFID tag (200); an energy storage module (203) to store said extracted energy from the received signals of the RFID reader (100); a second communication module (202) to communicate with an external device (300); a power output (204) to provide a power-supply voltage to the external device (300) using said stored energy; a control module (205) to perform a tracking of said power-supply voltage provided by said power output (204), wherein the first communication module (201) also transmits to the RFID reader (100) a quality indicator of an energy status of the RFID tag (200) based on the result of said tracking.

Abstract: The magnetic poser unit (100) comprises a magnetic core (10) including a first, a second and a third winding channels (2a, 2b, 2c) respectively arranged around a first, a second and a third crossing axis (A-A, B-B, C-C) orthogonal to each other, each of said winding channels (2a, 2b, 2c) being intended for receiving one coil wound around the magnetic core (10), each coil having at least one turn. The crossing axis (A-A, B-B, C-C) define orthogonal planes providing eight octants, each including a protrusion defining a protruding spacer (20), being spaced to each other by said winding channels (2a, 2b, 2c). The magnetic core (10) is a composed core formed by several different partial magnetic cores assembled together including two side partial magnetic cores (12), each including four protruding spacers (20). The magnetic core (10) further includes a through hole (30) housing a device for heat dissipation (50).

Abstract: Inductor device comprising a rectangular prismatic electro-insulating support (10) with three pairs of parallel outer faces (11) defining orthogonal axis (X, Y, Z), and defining eight corners; a rectangular prismatic magnetic core (20) supported by said electro-insulating support (10); and three conductor wire windings (DX, DY, DZ) wound around the three axis (X, Y, Z) surrounding the magnetic core (20); wherein the magnetic core (20) is a hollow magnetic core (20) composed by three pairs of sheets (21), each pair of sheets (21) being composed by two parallel sheets (21) facing each other perpendicular to one of said axis (X, Y, Z), and wherein each sheet (21) is made of a magnetic material, said sheet (21) being in contact and attached to the electro-insulating support (10) and being in contact with the surrounding orthogonal sheets (21).

Abstract: The proposed annular magnetic power unit includes an annular magnetic core comprising a first partial magnetic core and a second partial magnetic core, overlapped and facing to each other, the first and second partial magnetic cores being divided by two parallel air-gaps in a first and second central magnetic core portion, a first and second left side core portion and in a first and second right side core portion; the annular power unit also including at least one electro-conductive inner coil included within an annular groove of the annular magnetic core; and left and right independent electro-conductive outer coils wound around the first and second left side core portions and the first and second right side core portions respectively.

Abstract: A radio frequency identification (RFID) tag and a method of monitoring Quality of Service (QoS) of a RFID tag The RFID tag (200) comprising: a first communication module (201) to receive signals from a RFID reader (100) and including means for extracting energy from the received signals providing a supply voltage Vdd to the RFID tag (200); an energy storage module (203) to store said extracted energy from the received signals of the RFID reader (100); a second communication module (202) to communicate with an external device (300); a power output (204) to provide a power-supply voltage to the external device (300) using said stored energy; a control module (205) to perform a tracking of said power-supply voltage provided by said power output (204), wherein the first communication module (201) also transmits to the RFID reader (100) a quality indicator of an energy status of the RFID tag (200) based on the result of said tracking.

Abstract: The RFID tag comprising: a first communication module (201) for extracting energy from received signals from a RFID reader providing a supply voltage VDD to the RFID tag (200); an energy storage module (203) to store said extracted energy from the received signals; a first voltage limiter (205) adapted and configured to limit, during a start-up state of the RFID tag (200), said supply voltage VDD; and a second voltage limiter (206), different to and synchronized with said first voltage limiter (205), said second voltage limiter (206) being adapted and configured to be enabled during a stationary state of the RFID tag (200) by switching from the first voltage limiter (205) to the second voltage limiter (206), the first voltage limiter (205) having a fast response time and the second voltage limiter (206) having high and accurate limitation voltage in powered operation.

Abstract: An antenna for low frequency communication within a vehicle environment, low frequency communication system and uses of the antenna. The antenna comprises a flexible or semi-flexible magnetic core of at least 500 mm, and the magnetic core incorporates a dual coil configuration that provides a first coil configuration for transmission capabilities and a second coil configuration for reception capabilities, and further including means for switching between both of said coil configurations.

Abstract: Three-axis antenna comprising a magnetic core (10) including protuberances (11) on each corner delimiting an X-axis winding channel (12X) and a Y-axis winding channel (12Y); in X-axis coil (20X) within the X-axis winding channel (12X), comprising two separate and adjacent X-axis partial coils (21X); a Y-axis coil (20Y) within the Y-axis winding channel (12Y), comprising two separate and adjacent Y-axis partial coils (21Y); and a Z-axis coil (20Z) surrounding the magnetic core (10), wherein said magnetic core includes at least one X-axis partition wall (14X) dividing the X-axis winding channel (12X) in two X-axis partial winding channels (13X) wherein the two separate and adjacent Y-axis partial coils (21Y) are housed, and at least one Y-axis partition wall (14Y) dividing the Y-axis winding channel (12Y) in two Y-axis partial winding channels (13Y) wherein the two separate and adjacent Y-axis partial coils (21Y) are housed.

Abstract: Hollow toroidal magnetic power unit including a hollow toroidal magnetic core (1) comprising a first partial toroidal core (10) having a first toroidal groove (11) and a second partial toroidal core (20) overlapped; and at least one toroidal coil (30) wound around the hollow toroidal magnetic core and at least one annular axial coil (40) wound around a coil-former (42) included within the first toroidal groove (11); the hollow toroidal magnetic core (1) including an annular gap (51) defined between the first and second partial toroidal cores, and a toroidal gap (52) defined by an interruption or an aperture in two opposed walls of at least the first partial toroidal core (10), preventing the magnetic saturation of the hollow toroidal magnetic core; wherein the size of said annular gap and toroidal gap are selected depending on the performances of the magnetic power unit.

Abstract: The present invention relates to a low profile triaxial antenna comprising a cross-shaped electromagnetic core (11) provided with four arms finished with front ends 13, an X-axis winding (DX) wound around two arms; a Y-axis winding (DY) wound around two arms; and a Z-axis winding (DZ) wound around a Z-axis, said Z-axis winding (DZ) surrounding the electromagnetic core and at least partially facing said front ends (13); wherein four electromagnetic core portions (12) are each at least partially arranged in a quadrant space defined between two adjacent arms and a portion of Z-axis winding (DZ) miming between the front ends (13) thereof, the assembly of the cross-shaped electromagnetic core (11) and the four electromagnetic core portions (12) generating a composite electromagnetic core (10).

Abstract: The antenna comprises a magnetic core (2), three windings (31, 32, 33) wound around the magnetic core (2) and an electrically insulated base (1) on which the magnetic core (2) wound with these windings (31,32,33) is arranged. The insulated base (1) includes metallic tabs (121 . . . 128) electrically connected to said windings (31, 32, 33) and the base (1) has a bottom surface with electrically conductive plates (131 . . . 138) with connection to the metallic tabs (121 . . . 128) and providing a layout for a SMT mounting, The antenna comprises an electrically insulated cap (4), having an upper surface (4U) including a metallized surface high frequency coil (42) working as a HF antenna and a side surface (4S), two ends (411, 412) of the coil (42) being arranged on the side surface (4S) for connection to the metallic tabs (121 . . . 128) of the electrically insulated base (1).

Abstract: The flexible soft magnetic core (1) includes parallel continuous ferromagnetic wires (4) embedded in a core body (2) made of the polymeric medium (3). The continuous ferromagnetic wires (4) extend from one end to another end of said core body (2), are spaced apart from each other and are electrically isolated from each other by the polymeric medium (3). The method for producing the flexible soft magnetic core (1) comprises embedding continuous ferromagnetic wires (4) into an uncured polymeric medium (3) by means of a continuous extrusion process, curing the polymeric medium (3) with the continuous ferromagnetic wires (4) embedded therein to form a continuous core precursor (10), and cutting said continuous core precursor (10) into discrete magnetic cores (1).

Abstract: The inductor comprises a winding arranged around a core formed by at least two rigid magnetic elements connected in an articulated manner forming an oblong assembly, each comprising: a head end A provided with a circular convex curved surface and a tail end B provided with a circular concave curved configuration, in relation to a transverse axis of the tail, parallel to the transverse axis of the head, and the configuration being complementary to said circular convex curved configuration. The head end A is coupled to the tail end B forming an articulated attachment, and the transverse axes of the head and tail coincide in the coupling area, providing a joint having a variable, adjustable angle, wherein the assembly of said two or more rigid magnetic cores is surrounded by a flexible polymer casing, including magnetic charges that work together to prevent magnetic flux dispersion in the coupling gaps or interstices between the magnetic cores.