Abstract: An electronic device and a method of determining a path of the electronic device is provided. The method includes emitting a signal in a direction of a surface and receiving a signal reflected from the surface or a subsurface, obtaining an image of a structure of the surface or a structure of the subsurface, based on the received signal; when it is possible to determine a location of the electronic device based on the obtained image and an image pre-stored in the electronic device, determining the location of the electronic device, and when it is impossible to determine the location of the electronic device based on the obtained image and the image pre-stored in the electronic device, obtaining surrounding environment information of the electronic device by using a second sensor and determining the location of the electronic device.

Abstract: An optically-controlled switch and a method therefor are provided. The optically-controlled switch includes a printed circuit board (PCB) including upper and lower layers and a dielectric layer between the upper and lower layers, a plurality of vias electrically connected to the upper and lower layers and located in at least two rows, a shunt via electrically connected to the lower layer and separated from the upper layer by a dielectric gap, and a photoconductive semiconductor element (PSE) electrically connected to the upper layer and the shunt via, wherein the PSE includes a dielectric state and a conductor state, and wherein an electromagnetic wave provided to the optically-controlled switch propagates or is blocked through a waveguide formed between the at least two rows.

Abstract: The present disclosure relates to an electronic device and a radio frequency (RF) communication connection method for the electronic device.

Abstract: An antenna system includes a first antenna including first radiating components and first planar re-radiating components, a second antenna including second radiating components and second planar re-radiating components, and reflective components positioned between the first planar re-radiating components and the second planar re-radiating components.

Abstract: An antenna array apparatus includes: first antenna elements arranged to form a first radiation pattern with a recessed portion at the center of the first radiation pattern; and second antenna elements arranged to form a second radiation pattern with a convex portion at the center of the second radiation pattern.

Abstract: An antenna unit includes a dielectric substrate; a dielectric cover on the dielectric substrate; and an antenna array. The antenna array includes antenna elements arranged in the dielectric substrate and configured to form traveling waves propagating in the dielectric substrate and the dielectric cover. The antenna unit also includes at least one spatial matching element arranged in space formed inside the dielectric substrate, spatially matched with the dielectric cover, and coupled with the at least one antenna element. The spatial matching element is configured to be spatially matched with the antenna array with the dielectric cover and to reduce reflections of traveling waves propagating from the antenna array to the dielectric cover. The antenna device may be diversified.

Abstract: The present disclosure relates to a 5G or pre-5G communication system for supporting a higher data transmission rate than a 4G system, such as LTE. Various embodiments of the present disclosure provide a device and a method. To this end, an antenna unit may comprise a dielectric substrate, a dielectric cover on the dielectric substrate, and a slot antenna array formed in a metal layer arranged on or in the dielectric substrate. The slot antenna array may be configured to generate a traveling wave which propagates in the dielectric substrate and the dielectric cover, and may have at least two groups (first and second groups) of slot elements. Each slot element of the second group may be shorter than any slot element of the first group, and slots of the first and second groups may be arranged to be opposite to each other so as to make pairs of slot elements.

Abstract: Disclosed is a high frequency switch including a substrate, a pair of ground sections provided on the substrate, a center conductor provided between the pair of ground sections, and a photoconductive semiconductor element provided on the center conductor and extending between the center conductor and the pair of ground sections.

Abstract: An antenna device is provided. The antenna device includes a reflector having a profile of a parabolic shape in a first cross-section cut parallel to a first direction and a profile of a hyperbolic shape in a second cross-section, the second cross-section being cut perpendicular to the first direction and crossing the first cross-section at a right angle and a radiating structure having at least one phased antenna array adapted to illuminate at least part of the reflector and to scan a beam. The edges of the profile of the parabolic shape of the first cross-section are formed to be directed toward the radiating structure. The edges of the profile of the hyperbolic shape of the reflector are formed to be directed away from the radiating structure. The antenna device may be diversified depending on various embodiments.

Abstract: An optically-controlled switch and a method therefor are provided. The optically-controlled switch includes a printed circuit board (PCB) including upper and lower layers and a dielectric layer between the upper and lower layers, a plurality of vias electrically connected to the upper and lower layers and located in at least two rows, a shunt via electrically connected to the lower layer and separated from the upper layer by a dielectric gap, and a photoconductive semiconductor element (PSE) electrically connected to the upper layer and the shunt via, wherein the PSE includes a dielectric state and a conductor state, and wherein an electromagnetic wave provided to the optically-controlled switch propagates or is blocked through a waveguide formed between the at least two rows.

Abstract: Object detection and distance measurement using a scanning device is provided. The beam deflection device for light detection and ranging (LiDAR) includes a base, permanent magnets, a maglev reflector attached to the permanent magnets, and control coils mounted on the base. The maglev reflector may be configured to levitate due to an electromagnetic interaction of the permanent magnets and the control coils, and the control coils may consist of horizontal (H)-control coils defining a position of the maglev reflector in a horizontal direction and vertical (V)-control coils defining a position of the maglev reflector in a vertical direction.

Abstract: An antenna unit includes a dielectric substrate; a dielectric cover on the dielectric substrate; and an antenna array. The antenna array includes antenna elements arranged in the dielectric substrate and configured to form traveling waves propagating in the dielectric substrate and the dielectric cover. The antenna unit also includes at least one spatial matching element arranged in space formed inside the dielectric substrate, spatially matched with the dielectric cover, and coupled with the at least one antenna element. The spatial matching element is configured to be spatially matched with the antenna array with the dielectric cover and to reduce reflections of traveling waves propagating from the antenna array to the dielectric cover. The antenna device may be diversified.

Abstract: An antenna device is provided. The antenna device includes a reflector having a profile of a parabolic shape in a first cross-section cut parallel to a first direction and a profile of a hyperbolic shape in a second cross-section, the second cross-section being cut perpendicular to the first direction and crossing the first cross-section at a right angle and a radiating structure having at least one phased antenna array adapted to illuminate at least part of the reflector and to scan a beam. The edges of the profile of the parabolic shape of the first cross-section are formed to be directed toward the radiating structure. The edges of the profile of the hyperbolic shape of the reflector are formed to be directed away from the radiating structure. The antenna device may be diversified depending on various embodiments.

Abstract: Disclosed herein is a microwave oven having an improved structure with which foods can be effectively heated. The microwave oven includes: a housing including a cooking chamber having a bottom surface; at least one first reflective portion formed on the bottom surface of the cooking chamber; a magnetron provided to generate microwave radiation; and a tray disposed apart from the bottom surface of the cooking chamber and supporting food to be heated. The at least one first reflective portion extends a given height (h) above a reference level (RL).

Abstract: Present configuration concerns microelectronics; for instance, compact antenna devices applied in mobile communications and other equipment operating in millimeter range. The controlled lens antenna apparatus may include antenna elements in an integrated circuit configured to transmit beams. The apparatus may also include a dielectric lens antenna configured to generate a plane wave based in the beams transmitted. The apparatus may include a plate configured to deflect the generated plane wave at a random angle.

Abstract: Present configuration concerns microelectronics; for instance, compact antenna devices applied in mobile communications and other equipment operating in millimeter range. The controlled lens antenna apparatus may include antenna elements in an integrated circuit configured to transmit beams. The apparatus may also include a dielectric lens antenna configured to generate a plane wave based in the beams transmitted. The apparatus may include a plate configured to deflect the generated plane wave at a random angle.