385results about "Waveguide mouths" patented technology

A broadband GNSS antenna has a broadband patch radiator with top slot excitation and a one-groove slotted vertical choke-ring structure around the patch radiator. The patch radiator includes a radiator ground plane, a slotted-fed radiation patch, a broadband feeding network, and a set of elements with vertical currents. The vertical choke-ring structure contains a top conducting surface with a set of slots, a bottom conducting surface and an adjacent vertical conducting cylinder.

A communications system may include a first electronic device and a second electronic device that communicate over a high speed short range wireless communications link. To support the link, each device includes one or more antennas that concurrently transmit(s) and receive(s) radio-frequency signals at the same frequency under an in-band full duplex (IBFD) scheme. One device may include a housing wall and a waveguide. The waveguide has an elongated portion facing the antenna(s) and a horn extending from the elongated portion. The waveguide may convey the radio-frequency signals between the antenna(s) and the other device through the wall. The waveguide may serve to mitigate signal leakage from a transmit port onto a receive port of the device while conveying wireless data over the high speed short range wireless communications link. In addition, the waveguide allows flexibility in configuring the antennas and enhances system robustness with larger alignment tolerances.

The invention discloses a millimeter wave waveguide antenna, which comprises a first metal layer; the second metal layer is arranged on one side of the first metal layer and attached to the first metal layer, and the antenna is characterized in that a waveguide transmission groove and beam width limiting grooves formed in the two sides of the waveguide transmission groove are formed in the side, facing the first metal layer, of the second metal layer; a plurality of radiation slots are formed in the positions, corresponding to the waveguide transmission grooves, of the first metal layer, and limiting slots corresponding to the beam width limiting grooves are formed in the positions, located on the two sides of the radiation slots, of the first metal layer; a waveguide blocking groove is further arranged between the second metal layer and the first metal layer, the wave beam width limiting groove and the waveguide transmission groove are surrounded by the waveguide blocking groove, and the waveguide blocking groove and the first metal layer form a waveguide blocking cavity used for preventing electromagnetic waves from leaking from a gap between the first metal layer and the second metal layer. The waveguide antenna can solve the problem that the existing waveguide antenna which is assembled in a layered mode and is simple in structure is poor in gap tolerance.

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.

An antenna for high-frequency based measuring devices for determining a dielectric value of media is based on a high-frequency waveguide. The high-frequency signal is coupled in or out via a coaxial conductor that runs orthogonally through the axis of the high-frequency waveguide for this purpose. The conductor termination for the coaxial conductor extends extensively beyond the high-frequency waveguide in such a way that the coaxial conductor forms a defined capacitance in this region. In this way, the coaxial conductor is optimally matched to the high-frequency waveguide without having to integrate additional electrical components for this purpose.

According to various embodiments, an electronic device includes: a housing including a lateral member including a conductive member including an inner surface and an outer surface facing the inner surface, an antenna structure disposed in an inner space of the housing and including a substrate, and a plurality of antenna elements disposed at a first interval at the substrate, a plurality of through-holes penetrating the inner surface to at least a part of the outer surface and corresponding to the plurality of antenna elements, and a wireless communication circuit disposed in the inner space and configured to transmit or receive a radio signal in a specified frequency band through the antenna structure, wherein first opening portions of the plurality of through-holes formed in the inner surface are disposed at the first interval, and second opening portions of the plurality of through-holes formed in the outer surface are disposed at a second interval greater than the first interval.

The present disclosure provides a phased array antenna, including a waveguide radiation unit, a phase shifter unit and a waveguide power dividing unit, a radiation patch and a first waveguide feed structure in the waveguide radiation unit are the same in number, and a first transmission port of each first waveguide feed structure is arranged corresponding to the radiation patch; the waveguide power dividing unit includes second waveguide feed structures, and a first transmission port of each second waveguide feed structure corresponds to a second feed region of at least one phase shifter; each of the first waveguide feed structure and the second waveguide feed structures includes a ridge waveguide structure; the ridge waveguide structure is provided with at least one sidewall; defining a waveguide cavity of the ridge waveguide structure; at least one ridge protruding toward the waveguide cavity is arranged on the at least one sidewall.

A first semiconductor circuit device with a local oscillator for generating a local oscillator signal is arranged on one side of a printed circuit board and electrically connected to a first signal line. A second semiconductor circuit device is arranged on the same side of the printed circuit board and electrically connected to a second signal line. The RF module includes a first RF terminal associated with the first semiconductor circuit device. A first opening in the printed circuit board is located between the first RF terminal and a first waveguide terminal associated with the first waveguide for transmitting the local oscillator signal from the first RF terminal to the first waveguide.A second opening in the circuit board is located between a second RF terminal associated with the second semiconductor circuit device and a second waveguide terminal associated with the first waveguide for receiving the local oscillator signal from the first waveguide. The second semiconductor circuit device is configured to process a first RF signal based on the received local oscillator signal. A third opening in the circuit board is located between a third RF terminal associated with the second semiconductor circuit device and a third waveguide terminal for transmitting the first RF signal between the third RF terminal and a third waveguide terminal.

The present disclosure relates to an antenna device (1) comprising an antenna plate (2) having a front face (3) and a back face (4) and at least one waveguide channel segment (5) having a front section (6) and a back section (7) arranged in the antenna plate (2) extending in a first direction (x) parallel to the front face (3) in the antenna plate (2), waveguide apertures (8) arranged in the antenna plate (2) extending between and interconnecting the front section (6) of the waveguide channel segment (5) and the front face (3) of the antenna plate (2), wherein the front section (6) and / or the back section (7) comprise indentations (9) in the form of protrusions (10) extending from a channel wall (11) into the front section (6) and / or the back section (7) of the waveguide channel segment (5) and wherein the waveguide apertures (8) in the region of their rear end (12) have a cross-section (13) with a longer extension (14) and a shorter extension (15).

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.

Provided is a semiconductor package comprising a layer stack. The layer stack of the semiconductor package comprises a first plurality of conductive layers forming a plurality of antenna elements of an end-fire antenna array, wherein each antenna element is configured for a first polarization and for a second polarization, and at least one conductive signal routing layer adjacent to the first plurality of conductive layers, the conductive signal routing layer comprising first routing traces for the first polarization and second routing traces for the second polarization.

The invention discloses a self-packaging filtering slot antenna based on a folded substrate integrated waveguide cavity. The self-packaging filtering slot antenna comprises a first metal layer, a first dielectric substrate, a second metal layer, a second dielectric substrate, a third metal layer, a third dielectric substrate, a fourth metal layer, a fourth dielectric substrate and a fifth metal layer, the first metal layer is arranged on the upper surface of the first dielectric substrate; the second metal layer is arranged on the upper surface of the second dielectric substrate; the third metal layer is arranged on the upper surface of the third dielectric substrate; and the fourth metal layer and the fifth metal layer are respectively arranged on the upper surface and the lower surface of the fourth dielectric substrate. The novel filtering antenna provided by the invention has the characteristics of miniaturization, high selectivity, wide stop band and self-packaging, and can be well applied to the field of wireless communication systems.

A method of forming a semiconductor device is provided. The method includes providing a radiating element structure and a semiconductor die. The radiating element structure includes a non-conductive substrate, a radiating element formed at a top side of the non-conductive substrate, and a conductive ring formed at the top side of the non-conductive substrate substantially surrounding the radiating element. The semiconductor die is interconnected with the radiating element by way of a conductive trace. An encapsulant encapsulates at least a portion of the radiating element structure. A top surface of the conductive ring exposed at a top surface of the encapsulant. A waveguide interface material is applied on at least a portion of the top surface of the encapsulant.

The invention discloses a waveguide power dividing device with a ridge on an H surface and a waveguide antenna, and belongs to the technical field of antennae, the waveguide power dividing device comprises a waveguide power divider, the waveguide power divider adopts a T-shaped structure, the waveguide power divider is provided with a waveguide transmission line, a branch waveguide A and a branch waveguide B, and the ridge is arranged on the H surface of the waveguide power divider; the feed end of the waveguide transmission line is used for feeding, the radiation end of the branch waveguide A and the radiation end of the branch waveguide B are used for radiation, and the electric fields of the radiation end of the branch waveguide A and the radiation end of the branch waveguide B are in the same phase. According to the invention, the problem that the directions of electric fields are opposite when H-plane waveguide feed passes through a one-to-two power divider is solved. According to the waveguide antenna, the waveguide power divider with the H face and the ridge is adopted, the complex structure of waveguide E-to-H is simplified, and meanwhile the profile of the antenna can be further reduced; the waveguide antenna provided by the invention has the characteristics of ultra wide band, wide beam, low side lobe and the like.

The invention relates to a transmitting / receiving arrangement (11) for a temperature-resistant radar-based level measuring device (1) which is designed for the efficient transmission and reception of radar signals (S HF1,2 , R HF1,2 ) in different frequency bands. For this purpose, the transmitting / receiving arrangement (11) is based on a waveguide (111), by means of which the temperature-sensitive high-frequency units of the level measuring device (1) are spaced from the possibly hot filling material (2). In this case, the radar signals (S HF1,2 , R HF1,2 ) are transmitted or received via the end region of the waveguide (111). According to the invention, the waveguide (111) has an internal cross-section (D) through which only the radar or reception signals (S HF1 , R HF1 ) of the lowest frequency band propagate exclusively in the fundamental mode, while the radar or reception signals (S HF2 , R HF2) of the higher frequency band must propagate predominantly in a higher-order mode. In order to ensure that all frequency bands are nevertheless transmitted at the end region with a common phase center and thus efficiently, a matching element (112) is arranged there according to the invention, which matches the radar signals (S HF2 ) of the high frequency band into lower modes in the direction of radiation. This design allows the transmit / receive arrangement (11) to be compact and efficient at the same time.

The invention discloses a cavity antenna of a notebook computer shell. The cavity antenna comprises a metal shell cover with a rectangular opening area. The cuboid cavity is installed on the machine shell cover and embedded in the rectangular opening area. The cavity is provided with four metal side faces, a metal bottom face and an opening face, the opening face is opposite to the metal bottom face, and the opening face and the rectangular opening area are located on the same plane. The double-sided printed circuit board is provided with a feed-in surface and a coupling surface, the feed-in surface coincides with the opening surface and is superposed on the cavity, and the periphery of the feed-in surface is welded on the side surface of the cavity. The coaxial line penetrates through one metal side face, the center conductor is connected with an excitation circuit of the feed-in face, and the outer layer conductor is connected with a grounding circuit of the feed-in face and conducts the four metal side faces. The excitation circuit is coupled with the slot line block, the first high-frequency block and the second high-frequency block of the coupling surface, the slot line block is connected with one of the four metal side surfaces, and the first high-frequency block and the second high-frequency block are in floating connection. The shielding effect can be reduced.

Provided are a radio-frequency apparatus, a radio-frequency transmission system, a radio-frequency system, a radio-frequency module, and a radar. The radio-frequency apparatus comprises a packaging body (11) in which an IC bare die is packaged, and a PCB (21), wherein on the surface of the packaging body (11), at least one radiation sheet (119) and a plurality of solder balls (12), which are respectively arranged around each radiation sheet into a circle and form a waveguide channel, are provided, and an inner ring enclosed by the plurality of solder balls (12) comprises at least one ridge portion (121), which protrudes towards the inside of the ring; and the PCB (21) is provided with a first waveguide hole (211), which has the same shape as the inner ring enclosed by the solder balls (12). The radio-frequency transmission system further comprises a waveguide structure (22), which is arranged on the side of the PCB (21) that is away from the packaging body (11), wherein the waveguide structure (22) is provided with a ridge-shaped or rectangular second waveguide hole (221). The radio-frequency apparatus reduces the area occupied by a packaging transition structure, the radio-frequency transmission system realizes the diversification of a radio-frequency signal transmission channel, and the radio-frequency module reduces the loss.

Provided is a semiconductor package comprising a layer stack. The layer stack of the semi-conductor package comprises a first plurality of conductive layers forming a plurality of antenna elements of an end-fire antenna array, wherein each antenna element is configured for a first polarization and for a second polarization, and at least one conductive signal routing layer adjacent to the first plurality of conductive layers, the conductive signal routing layer comprising first routing traces for the first polarization and second routing traces for the second polarization.

A radar sensor. The radar sensor includes a high-frequency component and an antenna arrangement, which are arranged on opposite sides of a circuit board. The radar sensor includes a coupling structure for coupling the antenna arrangement to the high-frequency component by signals. The circuit board has an aperture which is sized such that it is permeable to microwave radiation, in that the high-frequency component is connected to the circuit board by a multilayer connection structure which covers the aperture. The coupling structure includes a resonator element that is embedded in the connection structure and configured to radiate microwave radiation through the aperture into the antenna arrangement.

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.

Scalable and easily manufactured cavity resonator radiator arrays for millimeter wave or terahertz phased array antenna applications are provided. In one aspect, an antenna device includes: a first component including a substrate having antenna feedlines within a first dielectric and a ground plane disposed on the first dielectric; a second component, coupled to the first component, including a metallic grid having a plurality of cavities filled with a second dielectric to provide an array of cavity resonator radiators, where the ground plane includes aperture slots between the antenna feedlines and the cavity resonator radiators. The antenna feedlines can include first and second antenna feedlines for dual-polarization, located in different layers, for enhanced port isolation. A method of forming an antenna device is also provided where the metallic grid having the plurality of cavities filled with the second dielectric can be formed using 3D printing, metal stamping and / or laser cutting.

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 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 emitting or receiving the 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 delimited by a plurality of 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), the size of which recess is smaller than the wavelength of the emitted radar signals.

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 invention relates to a radar sensor having a plate-shaped substrate (12), which has at least one layer made of an electrically non-conductive material and has a waveguide structure on one side and a high-frequency source / sink on the opposite side, which is connected to the waveguide structure via a high-frequency feed-through (22) through the substrate, characterized in that the high-frequency feed-through (22) passes through the substrate and the high-frequency feed-through (22) passes through the substrate. The wall of the high-frequency feedthrough (22) is formed by a series of cylindrically curved face segments (30) having a uniform cross-section over at least a portion of the length of the high-frequency feedthrough.

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.