Disclosed is a slot antenna provided in a radar, the antenna comprising a substrate integrated waveguide (SIW) having a plurality of a plurality of slots, wherein each of the plurality of slots includes a first elongated opening, a second elongated opening, and a connecting opening connecting the first and second elongated openings, wherein a first center axis of the first elongated opening is offset from a second center axis of the second elongated opening.

Disclosed is a slot antenna provided in a radar, the antenna comprising a substrate integrated waveguide (SIW) having a plurality of a plurality of slots, wherein each of the plurality of slots includes a first elongated opening, a second elongated opening, and a connecting opening connecting the first and second elongated openings, wherein a first center axis of the first elongated opening is offset from a second center axis of the second elongated opening.

An electronic device and an antenna feeding module are provided. The electronic device includes a metal housing and an antenna feeding module. The metal housing is provided with a slot with an opening end and a closed end. The antenna feeding module includes a carrier board and a feeding circuit. The feeding circuit includes a feeding element and a radiating element. The radiating element includes a coupling portion, a radiating branch and a feeding portion. There is a coupling gap between the coupling portion and the metal housing, and the coupling gap is less than 0.5 times the width of the slot. The feeding circuit is used to excite the metal housing, so that the metal housing and the radiating element generate a first resonance path with a first resonance mode and a second resonance path with a second resonance mode.

An electronic device and an antenna feeding module are provided. The electronic device includes a metal housing and an antenna feeding module. The metal housing is provided with a slot with an opening end and a closed end. The antenna feeding module includes a carrier board and a feeding circuit. The feeding circuit includes a feeding element and a radiating element. The radiating element includes a coupling portion, a radiating branch and a feeding portion. There is a coupling gap between the coupling portion and the metal housing, and the coupling gap is less than 0.5 times the width of the slot. The feeding circuit is used to excite the metal housing, so that the metal housing and the radiating element generate a first resonance path with a first resonance mode and a second resonance path with a second resonance mode.

An adapter device, a feeder device, and an antenna are provided. The adapter device includes a coaxial cable, an air dielectric microstrip, a ground plane, and a non-flat metal part. An outer conductor of the coaxial cable is electrically connected to the non-flat metal part, the non-flat metal part and the ground plane form non-flat capacitive coupling, and an inner conductor of the coaxial cable is electrically connected to the air dielectric microstrip. The outer conductor of the coaxial cable is grounded.

An electronic device is provided. The electronic device comprises a housing including a first surface facing a first direction, and a second surface facing a second direction opposite to the first surface, a conductive plate disposed at the first surface of the housing to be slidable in a third direction perpendicular to the first direction and including a slot, a flexible display arranged to be supported by the conductive plate and including a first area facing the first surface and a second area extending from the first area and bendable according to the sliding of the conductive plate, and a wireless communication circuit configured to transmit and/or receive a signal in a selected or designated frequency band through an antenna formed on the basis of at least a part of the conductive plate, which surrounds the slot.

An antenna includes: a dielectric layer having first and second surfaces opposite to each other; a radiating layer on the first surface, and having therein a slit; a first shielding layer on the second surface, and being electrically connected to the radiating layer; a first insulating layer on an upper side of the radiating layer; and a switch unit on an upper side of the first insulating layer, and corresponding to the slit. Each switch unit includes: a first electrode, a second insulating layer, a connecting portion, and a second electrode on the first insulating layer sequentially. Orthogonal projections of the first and second electrodes on the dielectric layer overlap each other. The connecting portion is connected to the second electrode to form a gap between the first and second electrodes. Orthogonal projections of the second electrode and a corresponding slit on the dielectric layer overlap each other.

An antenna includes: a dielectric layer having first and second surfaces opposite to each other; a radiating layer on the first surface, and having therein a slit; a first shielding layer on the second surface, and being electrically connected to the radiating layer; a first insulating layer on an upper side of the radiating layer; and a switch unit on an upper side of the first insulating layer, and corresponding to the slit. Each switch unit includes: a first electrode, a second insulating layer, a connecting portion, and a second electrode on the first insulating layer sequentially. Orthogonal projections of the first and second electrodes on the dielectric layer overlap each other. The connecting portion is connected to the second electrode to form a gap between the first and second electrodes. Orthogonal projections of the second electrode and a corresponding slit on the dielectric layer overlap each other.

An antenna comprises a main reflector, a waveguide, wherein at least part of the waveguide protrudes towards a region external to the antenna, wherein the antenna is operative to transmit electromagnetic radiations between the waveguide and the main reflector, a mechanism which enables displacement of at least part of the waveguide with respect to the main reflector, and an actuator operative to displace the at least part of the waveguide.

An antenna comprises a main reflector, a waveguide, wherein at least part of the waveguide protrudes towards a region external to the antenna, wherein the antenna is operative to transmit electromagnetic radiations between the waveguide and the main reflector, a mechanism which enables displacement of at least part of the waveguide with respect to the main reflector, and an actuator operative to displace the at least part of the waveguide.