An antenna assembly includes a circularly polarized antenna housing configured to mount to a mounting surface. The antenna assembly also includes a vertical antenna housing having a first end proximate to the circularly polarized antenna housing, as well as a distal end extending normally from the circularly polarized antenna housing.

An antenna assembly includes a circularly polarized antenna housing configured to mount to a mounting surface. The antenna assembly also includes a vertical antenna housing having a first end proximate to the circularly polarized antenna housing, as well as a distal end extending normally from the circularly polarized antenna housing.

One example system includes a biosensor applicator having a housing defining a cavity configured to receive and physically couple to a biosensor device, and to apply the biosensor device to a wearer; an applicator coil antenna oriented around a first axis; and a biosensor device including a biosensor coil antenna; a first wireless transceiver electrically coupled to the biosensor coil antenna; a Bluetooth antenna; and a second wireless transceiver coupled to the Bluetooth antenna; wherein the biosensor device is physically coupled to the biosensor applicator and positioned at least partially within the cavity; and wherein the applicator coil antenna is configured to wirelessly receive electromagnetic (“EM”) energy from a remote coil antenna and wirelessly provide at least a first portion of the received EM energy to the biosensor coil antenna.

An antenna includes a plurality of upper electrodes in a first metal layer, a plurality of lower electrodes in a second metal layer, a plurality of side electrodes connecting the upper electrodes with the lower electrodes, and a ground structure. The upper electrodes, the lower electrodes and the side electrodes form one continuous electrode. The continuous electrode extends in a first direction away from a reference plane over a substrate. The upper electrodes extend in a second direction different from the first direction. The upper electrodes, the lower electrodes, and the side electrodes are embedded within a waveguide structure that includes a dielectric material. The substrate has a length extending in the first direction greater than a length the continuous electrode extends in the first direction. The waveguide structure includes a portion of the substrate in a region beyond the length of the continuous electrode in the first direction.

An antenna includes a plurality of upper electrodes in a first metal layer, a plurality of lower electrodes in a second metal layer, a plurality of side electrodes connecting the upper electrodes with the lower electrodes, and a ground structure. The upper electrodes, the lower electrodes and the side electrodes form one continuous electrode. The continuous electrode extends in a first direction away from a reference plane over a substrate. The upper electrodes extend in a second direction different from the first direction. The upper electrodes, the lower electrodes, and the side electrodes are embedded within a waveguide structure that includes a dielectric material. The substrate has a length extending in the first direction greater than a length the continuous electrode extends in the first direction. The waveguide structure includes a portion of the substrate in a region beyond the length of the continuous electrode in the first direction.

An antenna unit, an antenna system and an electronic device are provided. The antenna unit includes: a helical antenna with a three-dimensional structure, wherein the helical antenna is disposed on an edge region of a carrier board, and includes at least one turn of helical coil, wherein each of the at least one turn of helical coil includes multiple helical segments that are not in a same plane, and the multiple helical segments are respectively disposed in multiple layers of the carrier board. The antenna system includes a carrier board, a first antenna array and a second antenna array, wherein the first antenna array is disposed in a middle region of the carrier board and includes multiple patch units, the second antenna array includes at least one above antenna unit, and the helical antenna of the antenna unit is disposed at the edge region of the carrier board.

An integrated wire elliptical helical antenna with novel cuboids dielectric resonator loading for circularly polarized wave transmission and reception is presented. The antenna is designed to operate in the center frequency of 915 MHz and it is utilized in RFID systems as a base station antenna. The elliptical structure is formed by steel wire and supporting acrylic plastic. The cuboids dielectric resonator is loaded at the inner surface of the proposed antenna.

An integrated wire elliptical helical antenna with novel cuboids dielectric resonator loading for circularly polarized wave transmission and reception is presented. The antenna is designed to operate in the center frequency of 915 MHz and it is utilized in RFID systems as a base station antenna. The elliptical structure is formed by steel wire and supporting acrylic plastic. The cuboids dielectric resonator is loaded at the inner surface of the proposed antenna.

Embodiments include an antenna assembly for a wireless microphone, comprising a helical antenna including a feed point and at least one contact pin coupling the feed point to the wireless microphone. The helical antenna is configured for operation in first and second frequency bands. Embodiments also include a wireless microphone comprising a main body having top and bottom ends and an antenna assembly coupled to the bottom end. The antenna assembly comprises a helical antenna configured to transmit and receive wireless signals, an inner core configured to support the helical antenna on an outer surface of the inner core, and an outer shell formed over the inner core and the helical antenna. Embodiments further include a method of manufacturing an antenna assembly for a wireless microphone using a first manufacturing process to form a core unit of the antenna assembly and a second manufacturing process to form an overmold.

Embodiments include an antenna assembly for a wireless microphone, comprising a helical antenna including a feed point and at least one contact pin coupling the feed point to the wireless microphone. The helical antenna is configured for operation in first and second frequency bands. Embodiments also include a wireless microphone comprising a main body having top and bottom ends and an antenna assembly coupled to the bottom end. The antenna assembly comprises a helical antenna configured to transmit and receive wireless signals, an inner core configured to support the helical antenna on an outer surface of the inner core, and an outer shell formed over the inner core and the helical antenna. Embodiments further include a method of manufacturing an antenna assembly for a wireless microphone using a first manufacturing process to form a core unit of the antenna assembly and a second manufacturing process to form an overmold.