13 results about "Slotted waveguide" patented technology

Structures for a photonics chip that include a photodetector and methods of forming such structures. The structure comprises a photodetector including a pad and a semiconductor layer on the pad. The structure further comprises a waveguiding structure including a first waveguide core, a second waveguide core, a slot between the first waveguide core and the second waveguide core, and a plurality of waveguide core segments. The waveguiding structure is adjoined to a side edge of the pad adjacent to the semiconductor layer. Each of the plurality of waveguide core segments includes a portion that is disposed in the slot.

The present invention discloses a radio frequency transmit and receive assembly kit comprising a slotted waveguide antenna assembly (100) wherein the slotted waveguide antenna assembly (100) comprises a plurality of sets of slotted waveguide antennas wherein each of the plurality of sets of slotted waveguide antennas comprises antenna feed elements forming a set of a plurality of antenna feed elements; and a circuit arrangement (306) for transmitting and receiving radio frequency (RF) signals wherein the circuit arrangement further comprises one or more circuit connection elements adapted to form an RF feed connection with an antenna feed element of the plurality of antenna feed elements, the slotted waveguide antenna assembly is mountable to the circuit arrangement in a plurality of different orientations, where, in each orientation, a particular one of the antenna feed elements forms an RF feed connection with a respective one of the circuit connection elements.

The application discloses a high-power microwave waveguide slot antenna array, and aims at solving the problem that a rectangular waveguide slot antenna cannot radiate in extreme temperature. The application is composed of a vacuum window sealed power divider, a partition waveguide, N sets of flanges, N curved waveguides and N high-power microwave rectangular waveguide slot antennas with dielectric covers. The microwave is divided by the vacuum window sealed power divider and then input into the partition waveguide, the N sets of microwaves are transmitted through the N sets of flanges and the curved waveguides, and then input into the N high-power microwave rectangular waveguide slot antennas with dielectric covers, and finally radiated. The vacuum window sealed power divider is composed of a power divider main body, a welded cover, a sealing plate and a dielectric window. The partition waveguide is composed of a connecting plate and a partition plate. The curved waveguide is composed of a vertical waveguide and a horizontal waveguide. The high-power microwave rectangular waveguide slot antenna with the dielectric cover is composed of a dielectric cover, a slotted waveguide, a support column and a support rod. The application has the advantages of compact structure, large power capacity and application in extreme temperature.

An apparatus (1) for pasteurizing food products, for example fresh pasta products, the apparatus (1) comprising: - a tunnel structure (2) defining at least one cavity (3); - a conveyor belt (4) for conveying the food products along a conveying direction (A-A) inside the cavity (3); - at least a first group of microwave inlets (5a) and a second group of microwave inlets (5b), the two groups of microwave inlets (5a, 5b) being configured to emit microwave radiations within the cavity (3), each microwave inlet (5a, 5b) of the two groups comprising a slotted waveguide, wherein all the microwave inlets (5a) of the first group are equally inclined with respect to the conveying direction (A-A) and all the microwave inlets (5b) of the second group are equally inclined with respect to the conveying direction (A-A) but differently inclined with respect to the microwave inlets (5a) of the first group.

The invention relates to a buffer device (18) with at least one self-propelled shuttle (12, 30, 32) for picking up objects to be buffered, wherein each shuttle is movable along a track and comprises at least two antennas (13, 14, 29, 31, 45, 46), and with two slotted hollow waveguides (1, 2, 23, 39, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84, 86), each comprising segments (3, 4, 5, 6, 24-28, 40-44) arranged one behind the other along the track and designed to accommodate antennas which cooperate with the respective slotted hollow waveguide in which they are accommodated for signal transmission. The first slotted waveguide operates at a first frequency. The second slotted waveguide operates at a second frequency. The first and second frequencies are different.The invention further relates to a method for operating the buffer device (18) comprising inserting the first antenna (13, 29, 31) of a self-propelled shuttle (12, 30, 32) into the first slotted hollow waveguide (1, 23), inserting the second antenna (14, 45, 46) of the self-propelled shuttle into the second slotted hollow waveguide (2, 39), operating the first slotted hollow waveguide at the first frequency, and operating the second slotted hollow waveguide at the second frequency.

The invention relates to a transport system having a mobile device that can be moved along a road section, in particular a track, in which, for high-frequency data transmission, a slotted waveguide of the transport system is arranged parallel to the road section, said slotted waveguide surrounding a cavity, the invention relates to a mobile device for a motor vehicle, in particular a motor vehicle, comprising a slotted waveguide having a cavity which opens into the environment via a slot of the slotted waveguide which runs through in the direction of a travel route, in particular in the direction of a track, the mobile device having an antenna which projects through the slot of the slotted waveguide into the cavity of the slotted waveguide, in particular for inputting or outputting electromagnetic waves, the slotted waveguide being made of a steel sheet as a bent part.

Structures for a phase shifter and methods of forming such structures. The structure comprises a first waveguide core, a second waveguide core laterally adjacent to the first waveguide core, and a third waveguide core laterally adjacent to the second waveguide core. The second waveguide core and the first waveguide core are separated by a first slot, and the third waveguide core and the second waveguide core are separated by a second slot. The structure further comprises a layer that overlaps with respective portions of the first waveguide core, the second waveguide core, and the third waveguide core. The layer comprises a first electro-optic material.

The invention relates to a transport system having a mobile part movable along a route, in particular a rail, wherein a slotted waveguide of the transport system is laid parallel to the route for high-frequency data transmission and surrounds a cavity which opens into the surroundings by way of a slot of the slotted waveguide that is continuous in the route direction, in particular in the rail direction, wherein the mobile part comprises an antenna which protrudes through the slot of the slotted waveguide into the cavity of the slotted waveguide, in particular for incoupling or outcoupling electromagnetic waves, wherein the slotted waveguide is produced as a stamped and bent part made from a steel sheet metal.

Apparatuses and methods for removing caps, such as NMR rotor caps. The apparatuses and methods may permit caps to be removed in a manner that minimizes damage to equipment and instruments. Microwave waveguides that may include an elongated waveguide, a spline horn, and a slotted waveguide. Analytical instruments that include the waveguides.

The invention relates to a buffer device (18) having at least one self-propelled shuttle (12, 30, 32) for accommodating objects to be buffered, wherein each shuttle is movable along a path and comprises at least two antennas (13, 14, 29, 31, 45, 46), and having two slotted waveguides (1, 2, 23, 39, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84, 86), which in each case comprise segments (3, 4, 5, 6, 24-28, 40-44) arranged one behind the other along the path and are configured to accommodate antennas, which interact for signal transmission with the respective slotted waveguide in which they are accommodated. The first slotted waveguide is operated at a first frequency. The second slotted waveguide is operated at a second frequency. The first and second frequencies are different. The invention further relates to a method for operating the buffer device (18), comprising: introducing the first antenna (13, 29, 31) of a self-propelled shuttle (12, 30, 32) into the first slotted waveguide (1, 23), introducing the second antenna (14, 45, 46) of the self-propelled shuttle into the second slotted waveguide (2, 39), operating the first slotted waveguide at the first frequency, and operating the second slotted waveguide at the second frequency.

Transport system with a mobile unit that can be moved along a route, in particular a rail, wherein a slotted waveguide of the transport system for high-frequency data transmission is laid parallel to the track, which surrounds a cavity that opens into the environment via a slot of the slotted waveguide which extends in the direction of travel, in particular in the direction of the rail, wherein the handset has an antenna which projects through the slot of the slotted waveguide into the cavity of the slotted waveguide, in particular for coupling in or coupling out electromagnetic waves, the slotted waveguide is manufactured as a stamped and bent part from a sheet steel part.

Apparatuses and methods for removing caps, such as NMR rotor caps. The apparatuses and methods may permit caps to be removed in a manner that minimizes damage to equipment and instruments. Microwave waveguides that may include an elongated waveguide, a spline horn, and a slotted waveguide. Analytical instruments that include the waveguides.