H01Q11/10

Deployable antenna system
11742562 · 2023-08-29 · ·

A deployable antenna system for deployment in an extraterrestrial environment is provided, the deployable antenna system comprising a deployment mechanism including one or more extendable support structures comprising at least one axial support structure adapted to extend in a z-direction parallel to a z-axis in the deployable antenna system and a deployable antenna attached to the one or more extendable support structures and adapted to be stowed in an undeployed state and to be unfurled into a deployed state by the deployment mechanism, the deployable antenna being further adapted to extend and unfurl during deployment from the deployment mechanism in the z-direction responsive to extension of the at least one axial support structure, the deployable antenna including one or more flexible membranes coupled to the at least one axial support structure and extending from the z-axis in the deployed state.

Dual-polarized wide-bandwidth antenna

The invention relates to a low profile antenna, operating over a wide range of frequencies. The dual-polarized wideband antenna consists of: radiating elements, ground plane, metallic walls, coaxial cables, split-ring slots. The antenna is fed by coaxial cables at feed points, which are surrounded by split-ring slots. The antenna can be utilized as an element in an array to provide particular radiation pattern.

Antenna having deployable antenna fins and associated methods

An outer space deployable antenna may include a support shaft, a plurality of antenna fins, and an actuator. At least one draw cord may be coupled between the antenna fins and the actuator so that the antenna fins are moveable from a flat stored configuration to a fanned-out deployed configuration surrounding the support shaft.

Antenna system

Embodiments of the present invention provides an antenna and an antenna system. The antenna includes a body member, a head member integrally connected to a first edge of the body member, wherein the head member forms a fold having a first angle towards the front face of the body member, and a first arm member and a second arm member, wherein the first arm member and the second arm member are integrally connected to the body member corresponding to the second edge and the third edge of the body member, and wherein the set of arm members each form a fold having a second angle towards the front face of the body member.

MULTI-ELEMENT ANTENNA FOR MULTIPLE BANDS OF OPERATION AND METHOD THEREFOR
20220399647 · 2022-12-15 · ·

An antenna assembly has a conductive line coupled to a feed point. An element is configured to resonate at a predetermined frequency. The element is electrically coupled to the conductive line and aligned perpendicular to the conductive line wherein the predetermined frequency of the element determines a distance from the feed point along the conductive line.

MULTI-ELEMENT ANTENNA FOR MULTIPLE BANDS OF OPERATION AND METHOD THEREFOR
20220399647 · 2022-12-15 · ·

An antenna assembly has a conductive line coupled to a feed point. An element is configured to resonate at a predetermined frequency. The element is electrically coupled to the conductive line and aligned perpendicular to the conductive line wherein the predetermined frequency of the element determines a distance from the feed point along the conductive line.

Diversity fin antenna
11802955 · 2023-10-31 · ·

A fin-type planar antenna and a deployable dipole antenna are combined into a probabilistic system as a co-located orthogonal diversity fin antenna to reduce or eliminate cross polarization fades and cancellation dropouts common to wireless audio systems used in theaters, churches and convention centers over coaxial wired connections. Additionally, an optical line may connect the diversity fin antenna to a further circuit. The antenna system features broad bandwidth, resistance to deep nulls or fades caused by cross polarization, resistance to destructive interference, and an air space dielectric covering provides resistance to detuning in the presence of rain, or touching objects.

Switchboard controller for manual adaptation of radiation patterns and measurements of steerable parasitic array antenna

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.

Multi-element antenna for multiple bands of operation and method therefor
11296414 · 2022-04-05 · ·

An antenna assembly has a conductive line coupled to a feed point. An element is configured to resonate at a predetermined frequency. The element is electrically coupled to the conductive line and aligned perpendicular to the conductive line wherein the predetermined frequency of the element determines a distance from the feed point along the conductive line.