Provided is an electronic device including a multi-input multi-output antenna structure configured on a substrate, and the multi-input multi-output antenna structure includes two dipole antennas and two second grounded radiators. Each dipole antenna is used for resonating a first frequency band and a second frequency band. Each dipole antenna includes a feed-in radiator and a first grounded radiator. The feed-in radiator has a feed-in end. The first grounded radiator is disposed beside the feed-in radiator and has a first grounded end. The two second grounded radiators are positioned between the two dipole antennas, the two second grounded radiators are separated from the two first grounded radiators and are respectively corresponding to the two first grounded radiators, and a bent gap is formed between the two second grounded radiators.

An antenna module includes an antenna substrate, a first semiconductor package, disposed on the antenna substrate, including a first connection member including one or more first redistribution layers, electrically connected to the antenna substrate, and a first semiconductor chip disposed on the first connection member, and a second semiconductor package, disposed on the antenna substrate to be spaced apart from the first semiconductor package, including a second connection member including one or more second redistribution layers, electrically connected to the antenna substrate, and a second semiconductor chip disposed on the second connection member. The first semiconductor chip and the second semiconductor chip are different types of semiconductor chips.

An electronic device may include a printed circuit board including a connector configured to move between a first position and a second position on the printed circuit board; an antenna; a support member that is disposed between the printed circuit board and the antenna in a direction in which the printed circuit board, the support member, and the antenna are stacked; a signal connection member that is electrically connected to the connector of the printed circuit board; and a conductive member disposed between the printed circuit board and the support member, and aligned to cover the first position and the second position of the printed circuit board.

A jewel includes a main body and at least one wireless communication device accommodated within a cavity formed in the main body. The at least one communication device is arranged slanting with respect to a bottom wall of the cavity, partly accommodated in an undercut region of the cavity and spaced from the bottom wall and from walls at opposed ends of the cavity, whereby propagation of the signal in the space between the at least one communication device and the walls of the cavity is allowed.

An antenna structure includes a main radiator element, a parasitic radiator element, a feeder and at least one first high-impedance member. The parasitic radiator element is disposed in parallel with the main radiator element. The feeder is configured to electrically or electromagnetically couple the main radiator element. The at least one first high-impedance member directly contacts the parasitic radiator element and is configured to be electrically grounded.

An antenna device according to an embodiment of the present invention includes a dielectric layer, a radiation pattern disposed on a top surface of the dielectric layer, a signal pad electrically connected to the radiation pattern, and a ground pad spaced apart from the signal pad and having an isolation space. A length of the isolation space is greater than a length of the signal pad.

This application provides a terminal device, including a noise suppression structure, where the noise suppression structure is disposed on the metal middle plate, the noise suppression structure includes a hollow region running through the first surface and the second surface, and the hollow region communicates with the first cavity, so that digital signal noise that uses the first cavity as a transmission medium has a propagation path in a direction toward the antenna, the propagation path passes through the hollow region, and the hollow region is used to suppress the digital signal noise transmitted through the propagation path, so as to prevent antenna operating performance from being affected by the digital signal noise.

An antenna module is provided. An antenna module according to an exemplary embodiment of the present invention comprises: an antenna unit including an antenna pattern, which has a pattern portion and a lead portion formed, respectively, on both surfaces of a circuit board; a magnetic field shielding sheet including a sheet body made of a magnetic material to block a magnetic field, and a plurality of eddy current reducing pattern portions formed on the sheet body to reduce the generation of eddy current by increasing the resistance of the sheet body; and an insulation member arranged between the antenna unit and the magnetic field shielding sheet, wherein the antenna unit is provided in an asymmetric form in which the pattern portion and the lead portion respectively formed on both surfaces of the circuit board have different thicknesses.

An antenna module includes a control board having a control circuit, an antenna board on the control board and having a shield through hole and a plurality of first antenna patch conductors, a signal conductor on the control board and the antenna board, a frame body surrounding the first antenna patch conductors and separating the first antenna patch conductors from each other, a metal film covering at least an outer surface or an inner surface of the frame body, and a filter electrically connected to the shield through hole. The control or antenna board includes an internal antenna opposing the first antenna patch conductors. When seen in a plan view, the shield through hole is located between the first antenna patch conductors. A resin having a higher dielectric constant than air is located is surrounded by the frame body such that the first antenna patch conductors are coated with resin.

Embodiments relate to a sensor node communication system that determines the presence of an object. The system includes man-portable nodes that communicate via a self-organizing LAN. Each node includes a control circuit that has multiple cores, multithreading, and/or parallel processing. The control circuit establishes the LAN, captures an image, determines a presence of a predetermined object in the image using a machine learning algorithm, generates a first notification when presence of the predetermined object is determined, and generates a second notification when the presence is not determined. The control circuit detects an electromagnetic environment, determines unused frequency bands, and adapts a radio working parameter to broadcast in the unused frequency band. Determining the unused frequency bands includes the use of a spectrum sensing method. The control circuit detects an electromagnetic environment, determines unused frequency bands, and adapts a radio working parameter to broadcast in unused frequency bands.