123results about "Waveguide mouths" patented technology

The present invention relates to a method for manufacturing an antenna array (1000), the method comprising the following steps: additively manufacturing a first layer (1) on a manufacture support (S) in a manufacture direction (z), the first layer (1) comprising a plurality of radiating elements (10); manufacturing a second layer (2) on top of the first layer (1) in the manufacture direction (z), the second layer (2) comprising a first vertical beamforming network (20) coupled to the plurality of radiating elements (10), characterised in that the first vertical beamforming network (20) is entirely supported by the first layer (1) during its additive manufacture. The invention also relates to an antenna array (1000) obtained using the above method.

The present invention relates to an antenna device comprising a quad-ridge waveguide configured with its open ends acting as radiating apertures, and an orthogonal mode transducer (OMT) configured to couple the quad-ridge waveguide to two feed structures.

The present invention relates to a mode-extracting device (500) for an electromagnetic signal comprising, from upstream to downstream: - a first orthomode junction (1) comprising: - a central core (121) and - a first coaxial waveguide (120) extending to a coaxial transition zone (11); - a second coaxial waveguide (140) extending from the coaxial transition zone (11) to a downstream end (15); - four first output ports (14); - a waveguide (150) extending from the end (15); - four first branches (2a); - a second junction (3, 4) comprising an output waveguide (31, 41), a second output port (311, 411), and four second input ports (33, 43), each connected orthogonally to one of the four second branches (2b) and to the waveguide output waves (31, 41). Figure for the abstract: Fig. 2

An emission element for a waveguide antenna has a first waveguide portion, with a first rectangular cross section. The emission element comprises a second waveguide portion, the second waveguide portion having a second rectangular cross section. The emission element further comprises a third waveguide portion which, at a first end, adjoins the second waveguide portion and, at a second end, has at least two rectangular openings separated by webs, a dimension of the third waveguide portion at the second end being greater than a dimension of the second waveguide portion. An electromagnetic wave can be fed from the first waveguide portion into the second waveguide portion via a slit in the second waveguide portion and emitted via the openings in the third waveguide portion.

An antenna module comprises: a waveguide having an opening region; a transmission line comprising a signal pattern, a first ground pattern, and a second opening region; a conductive surface having a plurality of conductive patterns arranged in one axial direction and the other axial direction; and a via structure for perpendicularly connecting a second ground pattern and the plurality of conductive patterns of the conductive surface. A first length in one axial direction of a region where the conductive surface is arranged may be formed so as to be at least two times longer than a second length in one axial direction of the opening region. A first width in the other axial direction of the region where the conductive surface is arranged may be formed so as to be at least two times wider than a second width in the other axial direction of the opening region.

A radar device is disclosed. The radar device may include a circuit board on which a circuit element that generates or receives electromagnetic waves is placed; a waveguide antenna stacked on one surface of the circuit board, and in which a port through which the electromagnetic waves pass is through-formed; and a plurality of pins spaced apart from each other, in the form of surrounding an opening of the port, on one surface of the waveguide antenna facing the circuit board, and having a pillar shape.

The embodiment of the invention relates to the technical field of electronic devices, provides a waveguide antenna, a chip packaging body, a radio frequency device, a radar and electronic equipment, and can greatly reduce the number of packaged waveguide converters, thereby greatly reducing the packaging area and further greatly reducing the production cost. The waveguide antenna comprises a waveguide interface, a signal separation structure and a plurality of waveguide units. The signal separation structure is respectively connected with the waveguide interface and the plurality of waveguide units; the signal separation structure is used for receiving a plurality of first radio frequency signals transmitted by the waveguide interface, first parameters of the plurality of first radio frequency signals are different, and the plurality of first radio frequency signals are separated to different waveguide units according to the first parameters; and / or receiving a plurality of second radio frequency signals transmitted by the plurality of waveguide units, the second parameters of the plurality of second radio frequency signals being different; and transmitting the plurality of second radio frequency signals to the waveguide interface according to the second parameter.

Transmitters, receivers, transceivers, transport networks, and methods of use are described herein, including a transmitter comprising a client-side input, transmitter circuitry, and antennas. The client-side input receives baseband signals having client data encoded therein. The transmitter circuitry receives the baseband signals from the client-side input and generates antenna feed signals based on the baseband signals. The antennas receive the antenna feed signals from the transmitter circuitry, generate radiated signals based on the antenna feed signals, and couple the radiated signals into hollow waveguides. The radiated signals are radiated electromagnetic waves configured for coherent detection and having one or more frequencies in a range between 300 Gigahertz (GHz) and 10 Terahertz (THz). The antennas include one of a helical antenna, a waveguide probe antenna, a tapered antenna, a patch antenna, and a slot antenna.

A device (104) comprises a U-shaped cell (206, 208) configured to contain a quantum gas, a first waveguide (214) coupled to an inlet (213) of the U-shaped cell, and a second waveguide (216) coupled to an outlet (215) of the U-shaped cell. The device also comprises a multi-layer substrate (218) including transmitter and receiver antennas that are aligned with the first and second waveguides, respectively, the substrate including a network of metal layers coupled to the transmitter and receiver antennas. The device also includes transmitter and receiver dies coupled to the transmitter and receiver antennas, respectively, by way of the network of metal layers, the substrate positioned between the U-shaped cell and the transmitter and receiver dies.

The invention provides a dual-port slot antenna comprising a cavity antenna element which is provided with a first feed slot, a second feed slot, a first radiation slot and a second radiation slot; the first waveguide port structure is connected to the first metal surface and is communicated with the first feed slot, and the first waveguide port structure is used for exciting an end-fire wave beam, so that the first radiation slot generates radiation in the end-fire direction; and the second waveguide port structure is connected to the second metal surface and is communicated with the second feed slot, and the second waveguide port structure is used for exciting a wide-side wave beam, so that the second radiation slot generates radiation in the edge emission direction. End-fire radiation is realized through the first waveguide port structure and the first radiation slot of the cavity antenna element, and edge-fire radiation is realized through the second waveguide port structure and the second radiation slot of the cavity antenna element. The all-metal structure is adopted to realize multidirectional radiation, so that the power capacity and the beam coverage range of the communication base station can be improved.

A device comprising a circuit board (808) including a top surface and a bottom surface, a package (810) including a bottom surface attached to the top surface of the circuit board, and an antenna structure (802) attached to the bottom surface of the circuit board. The antenna structure extends through an opening in the circuit board.

Disclosed is a terahertz band beamforming antenna system. A terahertz band beamforming antenna system includes: a metal waveguide top portion; and a metal waveguide bottom portion which is coupled to the metal waveguide top portion, and at which an antenna portion including a feed transmission line and a radiation antenna is positioned, wherein the metal waveguide top portion and the metal waveguide bottom portion may have radiation openings, and may be coupled to seal at least a top surface, a bottom surface, and both side surfaces of the antenna portion.

The present invention relates to a waveguide arrangement (1) for a radar sensor (16, 19a, 19b, 19c, 19d), comprising a circuit board (2) having at least one high-frequency component with at least one element for directly radiating or receiving radar signals, an antenna (3) having one or more individual antennas for transmitting and / or receiving radar signals with a definable wavelength, wherein the antenna (3) comprises at least one waveguide (4a, 4b) which is bounded by several side walls, and at least one side wall is formed by the circuit board (2) and the side walls comprise a metal layer, in particular a metal coating, wherein at least one recess (5) is provided in at least one side wall of the waveguide (4a, 4b), and a fence structure (6) is provided which is arranged around the recess (5).

The present application provides an antenna device, which includes a housing assembly, a first waveguide assembly and a second waveguide assembly. The interior of the housing assembly defines a cavity, and a slot is formed through the first side of the housing assembly. At least a portion of the first waveguide assembly is located in the cavity and is connected to the first side of the housing assembly. The projection of the first waveguide assembly on the first side of the housing assembly is symmetrically located on both sides of the slot. The second waveguide assembly is located outside the housing assembly, near the first side and connected to the slot. The second waveguide assembly is adapted to transmit an antenna signal through the slot to the cavity via the first waveguide assembly. The antenna signal resonates in the cavity and is radiated outward from the second side of the cavity relative to the first side. The antenna device of the present application has good signal transmission effect and stable and symmetric field pattern distribution.

The invention provides an electronic device. The electronic device includes a carrier, a waveguide structure, and an antenna structure. The waveguide structure is supported by the carrier. The rigidity of the waveguide structure is greater than that of the carrier. The antenna structure is supported by the waveguide structure. The antenna structure includes an electromagnetic radiation circuit and a control circuit configured to control a radiation direction of electromagnetic waves radiated from the electromagnetic radiation circuit.

The present invention describes an antenna device. The antenna device includes a printed circuit board (PCB) with an opening, and at least two probes are disposed on or within the printed circuit board so as to be orthogonal to each other. The antenna device includes a cavity between a portion of the PCB carrying the probes and a waveguide back-short, forming a dual-polarized waveguide between the portion of the PCB carrying the probes and the waveguide back-short. The opening in the printed circuit board is disposed in a central region around a central axis of the cavity, and the cavity has a depth of one-quarter wavelength (λ / 4) plus an integer multiple of one-half wavelength. The present invention provides an antenna design for use in a socket for OTA testing using automatic test equipment providing wideband.

A multi-mode microwave waveguide blade sensing system (500) includes a transceiver, a waveguide (174b), and a probe sensor (176). The transceiver generates a microwave energy signal having a first waveguide mode and a different second waveguide mode. The waveguide (174b) includes a first end that receives the microwave energy signal. The probe sensor (176) includes a proximate end (178a) that receives the microwave energy signal from the transceiver and a distal end (178b) including an aperture that outputs the microwave energy signal. The probe sensor (176) directs the microwave energy signal at a first direction based on the first waveguide mode and a different second direction different based on the second waveguide mode. The probe sensor (176) receives different levels of reflected microwave energy based at least in part on a location at which the at least one microwave energy signal is reflected from the machine.

A system for rotating polarization of radio frequency (RF) waves includes a flange configured to couple to a waveguide interface at a first side of the flange. The flange includes a recess at the first side of the flange, a rectangular cavity through the flange and located in the recess, and pins extending from the recess. The system further includes a plurality of shims configured for stacking in the recess. The shims each include a rectangular cavity and holes configured to receive the pins and position the plurality of shims in the recess such that the rectangular cavities form a spiral configured to rotate polarization of linearly-polarized RF waves received at the flange from a first polarization to a second polarization angularly rotated from the first polarization.

The utility model discloses a low-grating lobe open waveguide antenna in the field of antennas, which comprises a waveguide shell integrally in a horn mouth shape, a small-caliber end of the waveguide shell is an input port, a large-caliber end of the waveguide shell is an output port, and the inside of the waveguide shell is divided into at least three stages of matching steps; the distribution part is fixedly arranged at the output port of the waveguide shell; the suppression part is arranged on the matching step close to the output port of the waveguide shell and connected with the distribution part, the suppression part is of a plate-shaped structure, and the extension direction of the suppression part is the E-plane direction of the waveguide shell; the beneficial effects of the utility model are that the output port of the waveguide housing is provided with the cross-shaped grid bar and the suppression metal block, so that the output port can be divided into four independent open waveguide radiation units for radiation, and the power division network level and grating lobe level of an array antenna formed by the units are reduced.

The invention relates to a waveguide arrangement (100, 600) for guiding electromagnetic waves, comprising a rectangular waveguide (102) and a circular waveguide (104). The rectangular waveguide (102) transitions into the circular waveguide (104) at an angle. The circular waveguide (104) is filled with a dielectric (116) that projects into the rectangular waveguide (102) at a transition section. The dielectric filling (116) is chamfered at a defined angle in the transition section, so that a transition surface (126) is formed by the inner edge (110) at the transition of the waveguide arrangement (100) and the end face (124) of the rectangular waveguide (102) at the transition. The dielectric filling (116) is preferably flush with the end wall of the rectangular waveguide (102).

The invention relates to a method for manufacturing a waveguide antenna (1), in which at least one antenna section (2a, 2b) of the waveguide antenna (1) is placed in a mold (3) and a casting material (4) is fed into the mold (3). The invention further relates to a waveguide antenna (1).

The invention discloses a light and thin substrate integrated waveguide antenna with high gain and oblique front detection, which comprises a radiation slot array layer, a substrate integrated waveguide layer, a metal floor and a coaxial line inner core electrically connected with the radiation slot array layer, the radiation slot array layer is a copper foil layer etched with slot arrays and comprises two slot arrays which are arranged in parallel, each slot array comprises a plurality of slots which are uniformly arranged at intervals, the positions of the slot arrays are arranged corresponding to the one-to-two waveguide cavities of the substrate integrated waveguide layer, and the slot arrays are arranged in parallel. And the coaxial line inner core vertically passes through the substrate integrated waveguide layer and the metal floor from top to bottom and is arranged in an insulating manner. The substrate integrated waveguide antenna is light and thin in structure, small in size and high in gain, has the characteristic of oblique detection, and can be installed on the side face of a mobile carrier to detect the forward direction.

The utility model discloses an open type waveguide antenna, which comprises a waveguide antenna layer plate, a plurality of antenna radiation structures and a chip port group, the antenna radiation structures and the chip port group are arranged on the waveguide antenna layer plate, one ends of the antenna radiation structures are connected with the chip port group, and the antenna radiation structures adopt open type waveguide transmission lines. According to the open type waveguide antenna, the open type waveguide transmission line structure is adopted, the antenna only needs a single-layer structure, a sealing welding process is not needed, the manufacturing yield is greatly improved, and the production cost of the antenna is reduced; a transition conversion structure of an open waveguide transmission line and an LOP chip port is designed, combination of the waveguide transmission line and the LOP packaging technology is achieved, the designed transition conversion structure has low insertion loss, and the radiation efficiency of the antenna is greatly improved.

The application provides a coupled spherical cavity waveguide antenna, which comprises a rectangular waveguide, a metal shell coupled with the rectangular waveguide, a resonant cavity formed in the metal shell, the resonant cavity comprising a spherical main resonant cavity and two parasitic resonant cavity structures, the two parasitic resonant cavity structures being coupled with the spherical main resonant cavity, and a radiation hole being formed on a side of the metal shell away from the rectangular waveguide, and the parasitic resonant cavity structure comprising at least one spherical parasitic resonant cavity. The coupled spherical cavity waveguide antenna provided by the application realizes the wideband high-gain radiation performance through the spherical cavity coupling and only a single radiation hole, and ensures that the radiation structure of the waveguide antenna has a high enough mechanical strength; the coupled spherical cavity waveguide antenna is shaped through the spherical cavity coupling, and the structural height of the coupled spherical cavity waveguide antenna is compatible with the 3-D printing process, which helps to improve the forming quality of the integrated additive manufacturing of the waveguide antenna.

A method of forming a hybrid waveguide semiconductor device is provided. The method includes forming a packaged radio frequency (RF) device and affixing a waveguide structure on the packaged RF device. The waveguide structure includes a non-conductive substrate and an air-filled waveguide formed in the substrate. A radiating element of the packaged RF device includes a pin structure connected to a die pad of a semiconductor die and a hat structure. The pin structure is embedded in an encapsulant of the packaged RF semiconductor device, and the hat structure is exposed within the air-filled waveguide.

A power distribution device for a waveguide antenna. The power distribution device has a plurality of waveguide sections including an input waveguide section, into which an electromagnetic wave can be coupled, and a plurality of feed waveguide sections. Each feed waveguide section feeds the electromagnetic wave into a respective radiating element of the waveguide antenna for radiating the electromagnetic wave. Each waveguide section has a rectangular cross-section with narrow and long sides. A branching point for power distribution is provided, at which an incoming waveguide section branches into at least two outgoing waveguide sections. The dimensions of the narrow side of the incoming and of the at least two outgoing waveguide sections differ at least partially from one another. The waveguide sections are arranged symmetrically with respect to a plane of symmetry, wherein the plane of symmetry is parallel to the narrow sides.

The present disclosure provides an antenna device and a manufacturing method therefor, a control method, and an electronic device. The antenna device includes a first and a second substrate structure, and a liquid crystal layer between the first and the second substrate structure. The first substrate structure includes a first substrate and multiple antenna patches. The second substrate structure is on the side of the multiple antenna patches away from the first substrate, and includes a second substrate and a metal layer having multiple gaps. One gap corresponds to one antenna patch, the region where the orthographic projection of each gap on the first substrate overlaps that of the corresponding antenna patch is a first region, the orthographic projection of each gap on the first substrate further includes a second region and a third region, and the third region is located between the second region and the third region.

The present invention relates to a waveguide array (1) obtained by additive manufacturing, comprising an even number of waveguides arranged two-by-two so as to form at least one pair of waveguides (12), each pair of waveguides comprising: a first waveguide (10) having a trapezoidal cross-section, and; a second waveguide (11) having a trapezoidal cross-section; wherein the first waveguide and the second waveguide share a wall (100). The present invention also relates to a dual-polarized antenna array (2) obtained by additive manufacturing, comprising: an array of waveguides (1) according to one of the preceding claims, a plurality of radiating elements (20), each radiating element being coupled to the end of exactly one pair (12) of waveguides of the array.