The present disclosure provides systems and methods relating to sensing the presence of a lifeform. In particular, the present disclosure provides systems and methods for detecting the presence of a lifeform in a building or room using dynamic metasurface aperture (DMA), which overcome many limitations of currently available radio frequency (RF) or infrared (IR)-based systems.

Methods and devices for integrating antennas fabricated using planar laminate processes. The method includes laminating one or more conductive layers to a first dielectric material layer, forming one or more holes through at least the first dielectric material layer, forming a monopole antenna through at least a first of the holes, attaching one or more integrated circuit dies to one of the conductive layer, and connecting the integrated circuit dies to the monopole antenna. The device can include a planar laminate integrated circuit module including one or more dielectric material layers, one or more integrated circuit die on a surface of or attached to the planar laminate integrated circuit module, and an integrated monopole antenna interfaced with the integrated circuit dies. The integrated monopole antenna is formed in a through hole of the planar laminate integrated circuit module, the through hole being formed through at least one of the dielectric material layers.

A TFT substrate includes a transmission and/or reception region including a plurality of antenna unit regions, and a non-transmission and/or reception region located in a region other than the transmission and/or reception region. Each of the antenna unit regions U includes a TFT and a patch electrode electrically connected to a drain electrode of the TFT. The TFT substrate includes a gate metal layer including a gate electrode of the TFT, a gate insulating layer, a source metal layer including a source electrode of the TFT and the drain electrode, a first insulating layer, a patch metal layer including the patch electrode, a second insulating layer, and an upper conductive layer. The upper conductive layer includes a patch drain connection section electrically connected to the patch electrode and the drain electrode.

An embodiment of the present application provides a liquid crystal display panel including: an array substrate; a color film substrate; a plurality of antenna modules, each of the antenna modules including a driving circuit unit, a plurality of radiation circuit units, and a ground electrode layer; and a liquid crystal molecular layer including a first liquid crystal molecular layer and a second liquid crystal molecular layer.

An antenna device is provided, including a first substrate, a first conductive element, a second substrate, a second conductive element, and an insulating layer. The first conductive element is disposed on the first substrate to define, on the first substrate, a recessed region adjacent to the first conductive element. The second substrate faces the first substrate. The second conductive element is disposed on the second substrate and located between the first substrate and the second substrate. The insulating layer is disposed between the first substrate and the second substrate. In a top view of the antenna device, the second conductive element overlaps the first conductive element and the recessed region, and the insulating layer at least partially overlaps the recessed region.

A system for communicating data over a transmission line is disclosed. In one example implementation, the system may include a transmitter configured to modulate a control signal onto an RF signal using amplitude-shift keying modulation to generate a transmit signal. The system may include a receiver and a transmission line coupling the transmitter to the receiver. The transmitter may be configured to transmit the transmit signal over the transmission line to the receiver, and the receiver may be configured to de-modulate the control signal and extract clock information associated with the transmitter. In some embodiments, the system may include a tuning circuit and a modal antenna, and the tuning circuit may be or include the receiver. The receiver may be configured to adjust a mode of the modal antenna based on the control signal transmitted by the transmitter.

An antenna system for an aircraft, comprising one or more antennas configured and arranged on the aircraft to provide a downlink rate of at least one Gbps, the one or more antennas permitting a base cell tower placement with a diameter of at least 60 km, the one or more antennas being configured and arranged to support multiple data streams simultaneously, the one or more antennas supporting multiple polarizations, the one or more antennas having a high gain over most of a hemisphere around the one or more antennas of −85°≤θ≤85°, 0°≤φ≤360°.

A system includes one or more antennas; and a processor coupled to the antennas in communication with a predetermined target using 5G protocols.

This application provides an antenna assembly, including two antenna boards that are placed in a stacked manner. Polarization manners of the two antenna boards are perpendicular to each other, and the two antenna boards are configured to separate a received electromagnetic wave into a horizontal polarization component and a vertical polarization component. A bias voltage is applied to a liquid crystal dielectric layer in the two antenna boards to change ratios of reflection power to transmission power of the two antenna boards, to change a ratio of reflection power of the two polarization components that are obtained through separation, and implement linear polarization at different angles after vector synthesis is performed on the two polarization components. In this way, receive power of an antenna is increased.

A radio frequency (RF) circuit is provided for use with a magnetic resonance imaging (MRI) scanner to transmit an RF receive signal to an amplifier circuit, the RF circuit comprising: a transmission line; an antenna electrically connected to a first end portion of the transmission line; an impedance transformation circuit; an impedance matching and detuning circuit electrically connected between the transmission line and the impedance transformation circuit, wherein the impedance matching and detuning circuit includes: multiple reactive impedance elements; and two or more switches operable to controllably switch between configuring the multiple reactive impedance elements to cause matching of overall impedance of the RF circuit to a prescribed input impedance seen at the amplifier circuit at a prescribed RF frequency during a receive mode of the MRI scanner, and to cause an increase of impedance at the antenna, to reduce sensitivity of the antenna to RF signals at the prescribed frequency during an excitation mode of the MRI scanner.