An antenna structure and a mobile device including the same are provided. The mobile includes a metal back cover and an antenna structure. The metal back cover has an open slot. The antenna structure includes a feeding metal radiator, a first grounded metal radiator, a second grounded metal radiator, and a substrate. The feeding metal radiator includes a first radiating portion, a first connecting portion, a second radiating portion and a feeding portion. The first radiating portion extends along a second direction from one side of the opening slot. The second radiating portion is coupled with the first radiating portion through the first connecting portion. The feeding portion is connected to the second radiating portion and extends along the second direction from one side of the open slot.

Antenna structures and assemblies for use in RADAR sensor assemblies and the like. In some embodiments, the assembly may comprise a feed waveguide comprising one or more feeding slots and a parallel plate waveguide operably coupled with the feed waveguide such that each of the one or more feeding slots of the feed waveguide is configured to inject electromagnetic energy into the parallel plate waveguide. A plurality of radiating slots may be formed in a plurality of rows and/or columns extending away from the feed waveguide to deliver electromagnetic energy out of the antenna assembly.

Antenna structures and assemblies for use in RADAR sensor assemblies and the like. In some embodiments, the assembly may comprise a feed waveguide comprising one or more feeding slots and a parallel plate waveguide operably coupled with the feed waveguide such that each of the one or more feeding slots of the feed waveguide is configured to inject electromagnetic energy into the parallel plate waveguide. A plurality of radiating slots may be formed in a plurality of rows and/or columns extending away from the feed waveguide to deliver electromagnetic energy out of the antenna assembly.

An antenna structure and a mobile device including the same are provided. The mobile includes a metal back cover and an antenna structure. The metal back cover has an open slot. The antenna structure includes a feeding metal radiator, a first grounded metal radiator, a second grounded metal radiator, and a substrate. The feeding metal radiator includes a first radiating portion, a first connecting portion, a second radiating portion and a feeding portion. The first radiating portion extends along a second direction from one side of the opening slot. The second radiating portion is coupled with the first radiating portion through the first connecting portion. The feeding portion is connected to the second radiating portion and extends along the second direction from one side of the open slot.

An antenna structure and a mobile device including the same are provided. The mobile includes a metal back cover and an antenna structure. The metal back cover has an open slot. The antenna structure includes a feeding metal radiator, a first grounded metal radiator, a second grounded metal radiator, and a substrate. The feeding metal radiator includes a first radiating portion, a first connecting portion, a second radiating portion and a feeding portion. The first radiating portion extends along a second direction from one side of the opening slot. The second radiating portion is coupled with the first radiating portion through the first connecting portion. The feeding portion is connected to the second radiating portion and extends along the second direction from one side of the open slot.

A frequency reconfigurable miniaturized folded slot-based antenna for use with Internet of Things (IoT) devices. The antenna resonates at a lower band in the sub GHz range, and in an upper band at a low GHz range of 1 to 2 GHz. A front and a back side of a dielectric circuit board of the antenna includes a first metallic layer and a second metallic layer, respectively. Each metallic layer includes a meandering slot having a first and second plurality of connected legs, including at least a first leg, a center leg, and a last leg, respectively, where the first leg and the last leg wrap around the dielectric circuit board from the first metallic layer to the second metallic layer. The first metallic layer includes a varactor diode, a first choke and a second choke, and an open-ended microstrip transmission line for receiving signals from a feed line.

An antenna structure includes a metal mechanism element, a first radiation element, a second radiation element, a third radiation element, and a dielectric substrate. The metal mechanism element has a slot with a first closed end and a second closed end. The first radiation element has a feeding point. The second radiation element is coupled to the feeding point. The second radiation element and the first radiation element substantially extend away from each other. The third radiation element is coupled to a ground voltage. The third radiation element extends across the slot of the metal mechanism element. The dielectric substrate has a first surface and a second surface opposite to each other. The first radiation element, the second radiation element, and the third radiation element are disposed on the first surface of the dielectric substrate. The second surface of the dielectric substrate is adjacent to the slot.

A miniaturized folded slot-based multiple-input-multiple-output (MIMO) antenna operating in the ultra high frequency (UHF) band for use in CubeSats. The MIMO antenna includes a circuit board having a front side and a back side separated by a dielectric material, a metallic coating covering the front side where the metallic coating is folded over a first edge and covers a first portion of the back side and is folded over a second edge and covers the second portion of the back side. A first meandering slot line is configured as a first antenna and a second meandering slot line is configured as a second antenna; a first metallic feed horn and a second metallic feed horn feed the first antenna and the second antenna, respectively. The antennas include a plurality of capacitors to tune a first resonance frequency of the first antenna and a second resonance frequency of the second antenna.

A light fixture includes a housing containing a light engine, and a wireless baffle module. The wireless baffle module includes a baffle coupled to the housing and used for focusing light emitted from the light engine. The wireless baffle module further includes a wireless printed circuit board assembly coupled to an antenna. The wireless printed circuit board assembly receives and processes wireless signals from the antenna, and sends control signals to the light engine based on the wireless signals. The wireless baffle module may be coupled to a lighting system with an existing non-wireless module, or be used to replace a wireless baffle module with the same or different wireless protocol.

A light fixture includes a housing containing a light engine, and a wireless baffle module. The wireless baffle module includes a baffle coupled to the housing and used for focusing light emitted from the light engine. The wireless baffle module further includes a wireless printed circuit board assembly coupled to an antenna. The wireless printed circuit board assembly receives and processes wireless signals from the antenna, and sends control signals to the light engine based on the wireless signals. The wireless baffle module may be coupled to a lighting system with an existing non-wireless module, or be used to replace a wireless baffle module with the same or different wireless protocol.