The radar system includes a split-block assembly comprising a first portion and a second portion. The first portion and the second portion form a seam, where the first portion has a top side opposite the seam and the second portion has a bottom side opposite the seam. The system includes at least one port located on a bottom side of the second portion. Additionally, the system includes radiating elements located on the top side of the first portion, wherein the radiating elements are arranged in a plurality of arrays. Yet further, the system includes a set of waveguides in the split-block assembly configured to couple each array to at least one port. Furthermore, the split-block assembly is made from a polymer and where at least the set of waveguides, the at least one port, and the plurality of radiating elements include metal on a surface of the polymer.

An antenna for a foldable electronic device which functions equally well in both folded and unfolded states includes a rotating shaft and a housing. The overall housing is made of metallic material and includes a first housing and a second housing. The first housing connects to the second housing through the rotating shaft. The housing further defines at least one group of slots to form at least one slot antenna. The at least one slot antenna crosses the rotating shaft and extends to the first housing and/or the second housing. By setting at least one slot antenna to correspond to the rotating shaft, the foldable electronic device achieves high radiation performance whether the first and second housing are folded or unfolded.

Flat RF tiles for multiple band electrical steerable antennas. To improve an antenna system for a communication between a vehicle and a satellite, a planar antenna array for multiple band satellite communication includes an array of flat RF tiles. Each RF tile includes a structure of antenna elements, wherein a first antenna element arrangement is configured to radiate in an uplink and downlink portion of a first satellite communication frequency band and a second antenna element arrangement is configured to radiate in an uplink and downlink portion of a second satellite communication frequency band.

A sensor waveguide system includes a sensor waveguide and a plurality of sensors. The sensor waveguide includes a main body defining a peak, a base, an axis of rotation, and a plurality of waveguide channels. The main body converges from the base to the peak to create a predetermined tapered profile. The plurality of waveguide channels are oriented parallel to the axis of rotation of the sensor waveguide and each waveguide channel defines an exit disposed at the base of the main body. A sensor is disposed at the exit of each of the plurality of waveguide channels.

An antenna includes a waveguide defined by a gap between a backplane with radial support ribs and a facesheet, a teardrop-shaped feed pin at a center of the backplane, and a foam spacer between the backplane and facesheet. An outward facing side of the facesheet includes thermal paint. The facesheet includes pairs of through-hole slots for releasing portions of a wave of radiation in the waveguide to generate a transmit-beam or to receive the receive-beam to generate the wave of radiation. The pairs may be disposed as a spiral array about a center of the facesheet. Each of the pairs may include first and second slots. A length of the second slot is oriented approximately perpendicular to a length of the first slot. Dispositions of the slots are set by a computer process. The dispositions optimize a trade-off between transmit and receive gains.

A terminal device includes a metal frame having at least two slots disposed on a side of the metal frame. At least two antenna feedpoints are disposed on an inner side wall of the metal frame, and different antenna feedpoints in the at least two antenna feedpoints are disposed on side edges of different slots. A signal reflection wall is further provided inside the terminal device, and a gap exists between the signal reflection wall and the at least two slots. The signal reflection wall is formed by a metal wall of a battery chamber of the terminal device, and the battery chamber is a structure that accommodates a battery of the terminal device. The metal frame and the signal reflection wall are both electrically connected to a ground plate of the terminal device.

An electronic device including antennas is provided. The electronic device includes a cover window including a view area and a non-view area formed along edges of the view area and including a view portion formed in at least one area, a frame including a first structure and a second structure which at least one electronic component is disposed, one surface of the first structure, forming the rear surface of the electronic device, including a nonconductive area including a window area and a conductive area surrounding the nonconductive area, a display, a PCB disposed in the second structure, wireless communication circuitry disposed on the printed circuit board, a first camera disposed in an area corresponding to the view portion of the second structure, a second camera disposed in an area of the second structure corresponding to the window area, a first antenna module configured to generate a first RF signal toward the cover window, and a second antenna module configured to generate a second RF signal toward the rear surface of the electronic device.

An antenna element with a filtering function, a filtering radiation unit, and an antenna. The antenna element is tubular, with a spiral slit arranged around the periphery of the tubular antenna element and extending in an axial direction. The filtering radiation unit includes a support column, and an upper part of the support column is electrically connected to at least one antenna element. The antenna includes a reflecting plate, and at least one filtering radiation unit is fixedly arranged on the reflecting plate. The antenna element with a filtering function has functions of radiating signals and suppressing interference simultaneously. The filtering radiation unit can cooperate with a high-frequency radiation element during use to achieve the aim of radiating a high-frequency signal and a low-frequency signal simultaneously. The antenna is good in performance, small in size, and high in integration degree.

An efficient, low-profile, lightweight fixed-beam (constant angle of departure) aperture antenna. The aperture antenna includes an array of horn radiators coupled to a waveguide diplexer by means of a stripline distribution network. The stripline distribution network is embedded in a printed wiring board (PWB), which PWB is sandwiched between a radiator plate (incorporating the horn radiators) and a diplexer plate. The aperture antenna may further include a backside ground plane made of metal. The diplexer plate and backside cover plate are configured to form the waveguide diplexer. Each horn radiator has a respective circular opening at one end adjacent to the PWB. The diplexer plate includes an array of circular waveguide backshorts which are congruent and respectively aligned with the circular openings of the horn radiators. The radiator plate further includes a rectangular waveguide backshort which is congruent and aligned with a rectangular port of the diplexer plate.

A device comprises an integrated circuit (IC) die, a substrate, a printed circuit board (PCB), an antenna, and a waveguide stub. The IC die is affixed to the substrate, which comprises a signal launch on a surface of the substrate that is configured to emit or receive a signal. The substrate and the antenna are affixed to the PCB, such that the signal launch and a waveguide opening of the antenna are aligned and comprise a signal channel. The waveguide stub is arranged as a boundary around the signal channel. In some implementations, the waveguide stub has a height of λ/4, where λ represents a wavelength of the signal. In some implementations, the antenna includes the waveguide stub; in others, the substrate includes the waveguide stub.