209results about "Waveguide mouths" patented technology

An antenna assembly includes a stack and an antenna structure. The stack includes at least one electrically conductive layer structure and at least one electrically insulating layer structure, and a component, at least partially embedded in the stack. At least a portion of the electrically conductive layer structure is provided at the external side of the stack and is configured to act at least as part of an electromagnetic wave coupling structure. The component is coupled to the electromagnetic wave coupling structure. The antenna structure provides an opening to a channel. The stack and the antenna structure are connected so that the electromagnetic wave coupling structure and the opening to the channel face each other.

The invention relates to an antenna device comprising a quad-ridged waveguide, an open end of which is configured to act as a radiating aperture, and an orthomode transducer, OMT, configured to couple the quad-ridged waveguide to two feed structures.

A sensor system comprises an optical sensor which includes an imaging device and a detection device which defines a rear side of the optical sensor, a radar transceiver unit for generating radar waves to be transmitted and for receiving radar waves to be detected, and at least one antenna element configured to transfer radar waves from the radar transceiver unit to an exterior of the sensor system and from the exterior of the sensor system to the radar transceiver unit. The radar transceiver unit is located at the rear side of the optical sensor.

A sensor system comprises an optical sensor which includes an imaging device and a detection device which defines a rear side of the optical sensor, a radar transceiver unit for generating radar waves to be transmitted and for receiving radar waves to be detected, and at least one antenna element configured to transfer radar waves from the radar transceiver unit to an exterior of the sensor system and from the exterior of the sensor system to the radar transceiver unit. The radar transceiver unit is located at the rear side of the optical sensor.

The invention discloses a broadband circularly polarized radiator antenna based on slot gap waveguide, and relates to the technical field of waveguide slot antennae, the broadband circularly polarized radiator antenna based on slot gap waveguide is provided with a circularly polarized radiation slot structure, a slot gap waveguide transmission structure and a microstrip feed structure from top to bottom in sequence; the microstrip feed structure comprises a dielectric substrate and a radio frequency SMA connector, wherein the back surface of the dielectric substrate is coated with copper, and the front surface of the dielectric substrate is etched with a microstrip patch. The slot gap waveguide transmission structure adopts an all-metal slot gap waveguide structure, comprises periodically arranged metal pins and stepped metal ridges, and is used for transmitting electromagnetic waves; the circularly polarized radiation slot structure comprises dumbbell-shaped slots, orthogonal radiation slots and metal fins, and is used for realizing broadband circularly polarized wave radiation. The microstrip patch excitation is adopted to facilitate active high integration, and the broadband circular polarization performance, the out-of-band filtering characteristic and the good heat dissipation characteristic are achieved through the slot gap waveguide transmission structure design and the orthogonal radiation slot design.

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 the field of directional antennas, specifically a single Dirac cone directional antenna based on gyromagnetic photonic crystals. The present invention uses three dielectric columns and one gyromagnetic YIG column to construct a regular hexagonal unit cell, and uses upper and lower magnet layers to provide a magnetic field. The unit cells are adaptively and tightly arranged into an array antenna, and the array antenna boundary where the excitation source is located is set to a 120° sawtooth perfect conductor boundary. The single Dirac cone directional antenna of the present invention can be adjusted by parameters such as magnetic field, antenna structure, and frequency to control the directionality of the antenna, and has multi-degree-of-freedom adjustment characteristics; it can continue to work when the antenna device has defects and has high robustness; it can be used for directional detection and anti-interference; it has a simple structure and determined directionality. As long as a single Dirac cone outgoing wave is generated, the direction will be locked to achieve high directional emission at a small angle. It effectively solves the problem of relatively low adjustment degree and insufficient robustness of existing directional antennas.

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 waveguide antenna of the present invention comprises: a first dielectric layer; a second dielectric layer; a third dielectric layer laminated between the first dielectric layer and the second dielectric layer; a first conductor layer laminated between the first dielectric layer and the third dielectric layer; a second conductor layer laminated between the second dielectric layer and the third dielectric layer; and first through holes arranged in a first direction and connecting the first conductor layer and the second conductor layer, the first dielectric layer, the second dielectric layer, and the third dielectric layer extending in the first direction, at least one of the first conductor layer and the second conductor layer being provided with a groove having a void, second end portions of the first conductor layer and the second conductor layer in the first direction are located between first end portions of the first dielectric layer, the second dielectric layer and the third dielectric layer in the first direction and the groove.

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

To improve signal loss in ball grid array (BGA) waveguide interfaces.SOLUTION: A package-waveguide interface 300 includes a package substrate 320 that encapsulates solder balls 314, 318 and an integrated circuit die 305 and that includes signal transmitters 325, 330 that transmit or receive signals on the surface of the package substrate. A BGA includes a set of grounded solder balls arranged as a boundary around the signal transmitters. The interface further includes a printed circuit board (PCB) 310 having a waveguide interface side opposite a secondary waveguide side (3D antenna 360 side), and PCB through-holes 345, 350 that extend from the waveguide interface side to the secondary waveguide side and are perpendicular to the plane of the PCB. The BGA couples the package substrate to the waveguide interface side such that the surface of the package substrate faces the PCB through-holes and the signal transmitters and the PCB through-holes are substantially aligned.SELECTED DRAWING: Figure 3

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.

The invention relates to a radiating element comprising a first hollow conductor section into which electromagnetic waves can be coupled, the first hollow conductor section having a first rectangular cross-section, the narrow sides extending parallel to a first axis, the wide sides extending parallel to a second axis, the first hollow conductor section extending along a third axis, the first to third axes are orthogonal to each other in pairs. The radiating element further comprises a second hollow conductor section, where the second hollow conductor section has a second rectangular cross-section, where the narrow sides extend parallel to the third axis, where the wide sides extend parallel to the first axis, where the second hollow conductor section extends along the second axis. A first dimension of the narrow side in a first region of the second hollow conductor section is smaller than a second dimension of the narrow side in a second region of the second hollow conductor section. Electromagnetic waves may be fed from the first hollow conductor section into the second hollow conductor section through the slot in the first region and emitted through the open end of the second region of the second hollow conductor section.

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.

The present invention discloses a dielectric rod antenna based on a hybrid radiation mode and a design method thereof, comprising: a ceramic dielectric rod and a dielectric-filled rectangular open waveguide, wherein the dielectric-filled rectangular open waveguide comprises a rectangular metal open waveguide, the open waveguide is filled with a dielectric, and a matching section of the ceramic dielectric rod is embedded in the filling dielectric; an inner conductor portion of a coaxial probe is inserted into the filling dielectric, and the coaxial probe is perpendicular to the transmission surface of the rectangular metal open waveguide; in the antenna structure, the dielectric-filled rectangular open waveguide not only serves as a waveguide feeding structure, but also participates in radiation as an open waveguide antenna, and both the open waveguide antenna and the dielectric rod antenna are end-fire radiation modes; and in the low-frequency band, the antenna structure uses open waveguide radiation as the main radiation mode, and the ceramic dielectric rod is used to improve radiation directivity.

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.

The invention relates to a radar sensor (10) comprising a waveguide antenna (12) for transmitting and / or receiving radar waves (14) with respect to a sensor environment (16), with an antenna surface (20) facing the sensor environment (16) and comprising at least in sections an electrically conductive surface material (22), and with at least one antenna element (24) which is designed as at least one opening (26) in the antenna surface (20) and which lies opposite a protective component (34) arranged in the sensor environment (16), wherein the antenna surface (20) has structured reflection inhibiting means (36) which are designed to inhibit the reflection of scattered waves (38) as radar waves (14) reflected by the protective component (34) between the protective component (34) and the antenna surface (20) at least by wave interference of the scattered waves (38).

This antenna device includes: a plurality of antenna elements capable of beam scanning; and a matching layer provided between and at a gap from radiation surfaces of the plurality of antenna elements in a radiation direction of the plurality of antenna elements. The matching layer includes a substrate composed of a dielectric, and a plurality of strips provided on the substrate and composed of conductors. The plurality of strips are provided corresponding to the plurality of antenna elements, respectively, and the center of each antenna element overlaps with the corresponding strip when viewed from the radiation direction.

To enable precise positioning and secure fixing of a waveguide structure on a substrate at low manufacturing cost.SOLUTION: A high frequency circuit includes a substrate (10) that supports at least one electronic component (16) and a conductor structure (14), and a waveguide structure (12) manufactured separately from the substrate, and this waveguide structure (12) is positioned on the substrate (10) such that a high frequency signal can be transmitted between the conductor structure (14) and the waveguide structure (12) on the substrate. The waveguide structure (12) is held on the substrate (10) by a press-fit pin (34).SELECTED DRAWING: Figure 1

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 radar antenna having an antenna and a waveguide that are coupled using a jig on which a plurality of alignment pins are arranged, and thus minimizing tolerance during assembly. The disclosed radar antenna comprises: an alignment jig having a plurality of alignment pins; a circuit board having a plurality of first alignment holes through which the plurality of alignment pins penetrate, and being stacked on the upper surface of the alignment jig; a waveguide having a plurality of second alignment holes through which the plurality of alignment pins penetrate, and being stacked on the upper surface of the circuit board; and an antenna having a plurality of third alignment holes through which the plurality of alignment pins penetrate, and being stacked on the upper surface of the waveguide.

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 invention relates to a power distribution device for a waveguide antenna, comprising a plurality of waveguide sections, which comprise an input waveguide section, into which electromagnetic waves can be coupled, and a plurality of feed-in waveguide sections, each feed-in waveguide section is designed to feed electromagnetic waves into a respective transmitting element of the waveguide antenna in order to transmit the electromagnetic waves. The waveguide sections each have a rectangular cross-section with short sides and long sides. According to the invention, at least one branch is provided for power distribution, at which branch an incoming waveguide section branches into at least two outgoing waveguide sections, the short sides of the incoming waveguide section and the at least two outgoing waveguide sections being at least partially different in size. The waveguide section is arranged symmetrically with respect to a plane of symmetry, the plane of symmetry extending parallel to the short sides of the rectangular cross-section of the waveguide section.