Abstract: An electronic device may include first and second phased antenna arrays that convey radio-frequency signals at frequencies greater than 10 GHz. The second array may have fewer antennas than the first array. Control circuitry may control the first and second arrays in a diversity mode and in a simultaneous array mode. In the diversity mode, the first array may form a first signal beam while the second array is inactive. When the first array is blocked by an object or otherwise exhibits unsatisfactory performance, the second array may form a second signal beam while the first array is inactive. In the simultaneous mode, the first and second arrays may form a combined array that produces a third signal beam. The combined array may maximize gain. Hierarchical beam searching operations may be performed. The arrays may be distributed across one or more modules.

Abstract: An electronic device according to one embodiment may include a first antenna implemented as at least one of a plurality of metal rims and disposed on one side region and a lower region of the electronic device, a second antenna disposed on the lower region to be spaced apart from the first antenna, and a third antenna implemented as one of the plurality of metal rims and disposed on the one side region to be spaced apart from an end portion of the first antenna by a slit. The end portion of the first antenna and an end portion of the third antenna spaced apart from each other by the slit may be connected to each other by a delay line having a predetermined length.

Abstract: The present application provides a terahertz leaky-wave antenna measuring system in which an original feed enclosed by a structure is replaced with a probe. The probe is moved along grooves in different directions to acquire amplitude and phase information in real-time to achieve an antenna equivalent measurement according to the reciprocity theorem, wherein the feed and the structure are separated from each other.

Abstract: An RF test hat. The RF test hat may comprise: a body having a substantially rectangular portion with open forward and aft ends, an end cap, arm and strap assembly, absorber material, a receiving antenna, lens, and upper and lower mesh screens. The end cap may couple to the open forward end of the body. The arm and strap assembly may hingedly couple to the open aft end of the body. The absorber material may be within the end cap. The receiving antenna may be disposed within the first absorber material and may measure the intensity of a beam of electromagnetic radiation. The lens may be located within the middle portion of the body and may spread the beam across a larger surface area of the absorber material. The upper and lower mesh screens may be disposed between the end cap and lens and may comprise openings that are substantially hexagonal in shape.

Abstract: An antenna for a portable communication device is provided. The antenna comprises an antenna body having an upper section and a lower section with a connection point therebetween. The connection point being configured to: couple the upper and lower sections during normal antenna operation; decouple the upper and lower sections in response to an impact event; and recouple the upper and lower sections after the impact event.

Abstract: A radio frequency (RF) test hat. The RF test hat may comprise: a cylinder having forward and aft ends, end cap, arm and strap assembly, first and second absorber materials, a receiving antenna, and lens. The end cap may couple to the forward end of the cylinder. The arm and strap assembly may hingedly couple to the aft end of the cylinder and may be configured to mount the RF test hat onto a pod or transmitting antenna. The first absorber material may be located within the forward end of the cylinder. The second absorber material may be located near the aft end of the cylinder. The receiving antenna, which may be disposed within the first absorber material, may measure the intensity of a beam of electromagnetic radiation. The lens, which may be located within the middle portion of the cylinder, may spread the beam across a larger surface area of the first absorber material.

Abstract: A planar antenna clamp system comprising: a base; a connector mounted to the base; a clamp arm mounted to the base such that, when in an open configuration, an air gap exists between the top surface of the base and the bottom surface of the clamp arm's distal end, and wherein the clamp arm and the base are oriented with respect to one another such that conductors of a planar antenna may be positioned in the air gap when in the open configuration; a matching circuit disposed on the top surface of the base and electrically connected to the connector; and a clamp configured to compress the conductors of the planar antenna between the top surface of the base and the bottom surface of the clamp arm such that the conductors of the planar antenna are operatively coupled with the matching circuit, when in a closed configuration.

Abstract: A switchboard controller for a parasitic antenna array. The switchboard controller has an internal bias tee mounted within an RF-shielded enclosure. The internal bias tee has an RF port, a DC port, and an RF & DC port. The RF port is configured to be connected to a driven element of the parasitic array antenna, and the RF & DC port is configured to be connected to an RF and DC source. The switchboard controller also has a voltage regulator mounted within the enclosure and is electrically connected to the DC port. The switchboard controller also has a plurality of manual switches electrically connected to the voltage regulator, each switch operatively connected to a separate parasitic element of the parasitic array antenna. The switches are mounted on the back side of a frame in a 2-dimensional pattern that is similar to the physical layout of the parasitic elements.

Abstract: An array antenna device includes a classifying unit that classifies rotating devices into a plurality of groups with different priorities under the condition that the number of rotating devices included in one group is equal to or less than the number of rotating devices that is calculated by a number-of-drivable-devices calculating unit; and a rotation instructing unit that selects groups in descending order of priority from among the plurality of groups and drives, each time one group is selected, all rotating devices included in the group, and the classifying unit performs the classification in such a manner that, among the rotating devices, a rotating device that rotates an element antenna with a higher importance level is classified into a group with a higher priority.