A system for receiving data from the nano-elements inside the body or on the body is provided, including a molecular communication unit. The molecular communication unit includes an antenna to be attached to the body or on the body in order to transfer the data from the inside of the body to the outside of the body and an antenna body configured to change and reflect an electromagnetic signal when the antenna is subjected to electromagnetic signal, and the antenna body includes a re-shapeable part made of a material which changes in form when it is subjected to a factor inside the body. A system for sending data to nano-elements is also provided.

An electromagnetic-radiation-reflecting structure that is attached at a location on a user's body. The electromagnetic-radiation-reflecting structure generating, as the user proceeds in usual fashion, a micro-Doppler effect as a result of its attachment at the location on the body so that a radar cross section of the user is increased, a material of the electromagnetic-radiation-reflecting structure having a conductivity greater than 100 S/m or a conductivity less than 100 S/m, a relative permeability between 100 and 10.sup.5, and a relative permittivity between 1 and 14; or has a conductivity less than 100 S/m, a relative permeability between 1 and 100, and a relative permittivity between 7 and 14; and a surface area of the electromagnetic-radiation-reflecting structure (120) is greater than 1000 mm.sup.2.

Provided are electronic devices, an antenna structure and a wearable device. The wearable device includes a metal casing including a bottom casing and a side frame surrounding an edge of the bottom casing and integrally connected with the bottom casing, the antenna structure includes a slot in the side frame, and the slot has a first end and a second end opposite to the first end in the first direction. The first direction is the direction surrounding the edge of the bottom casing; the slot is provided with an opening at the first end, and the opening faces the side away from the bottom casing; in the first direction, length from the first end to the grounding end of the slot is ¼ of operating wavelength; and a feeding terminal is arranged between the first end and the grounding end of the slot, and is close to the grounding end.

This application provides a wearable device. The wearable device includes a cover, a screen component, an antenna bracket, a first antenna, a metal middle frame, a circuit board, and a bottom cover. The cover and the bottom cover are respectively connected to two sides of the metal middle frame, the screen component is connected to a side of the cover facing the bottom cover, and the circuit board is located in a space enclosed by the metal middle frame, the screen component, and the bottom cover. An accommodating space is jointly enclosed by an end of the screen component, an inner wall of the metal middle frame, and an inner wall of the cover, the antenna bracket is disposed in the accommodating space, and the first antenna is disposed on the antenna bracket and is connected to the circuit board by using a feedpoint.

The disclosure relates to a radar arrangement for a motor vehicle, comprising at least one radar sensor with at least one antenna arrangement, wherein at least two antenna arrangements are arranged at a distance defined in an arrangement direction on a carrier component, which is permeable in particular to radar radiation, of the motor vehicle, and wherein the radar arrangement has a control device for common transmission and reception operation of the at least two antenna arrangements, such that these have the effect of a single virtual antenna arrangement with increased antenna extension in the arrangement direction.

An example wearable electronic device may include: a bridge; a first rim disposed in a first direction of the bridge, and a second rim disposed in a second direction of the bridge, the second direction being opposite to the first direction; and a first temple configured to be folded or unfolded with respect to the first rim using a first hinge part, and a second temple configured to be folded or unfolded with respect to the second rim using a second hinge part, wherein the first temple includes: a first printed circuit board on which a wireless communication circuit is disposed and a ground area is partially formed; a non-conductive area formed on a part of the ground area; a feeder wire disposed across the non-conductive area, and having a first end electrically connected to the wireless communication circuit using a signal path and a second end disposed adjacent to the ground area; a feeder point formed adjacent to the second end of the feeder wire and electrically connected to the feeder wire; and a first electronic component electrically connected to a part of the ground area, electrically connected to the feeder point, using a first conductive connection member, wherein the part of the ground area and at least a part of the first electronic component may be utilized as antennas.

An electronic device includes a housing sidewall defining an opening and a display component, such as a display cover, disposed in the opening to form a gap between the housing sidewall and the display component. In at least one example, the cavity is defined by the sidewall and the display cover with the cavity in fluid communication with an external environment through the gap. In at least one example, an epoxy component at least partially defines the cavity and can be in direct contact with the housing sidewall.

A fill adapter system for an infusion pump assembly. The system includes a reusable fill adapter base, the base including a volume control mechanism to adjust an available fill volume of a reservoir of the infusion pump assembly and a pump mechanism configured to pump air into a fluid vial. The system also includes a vial adapter assembly including a first needle configured to penetrate a septum of the fluid vial for fluidly coupling the pump mechanism to the fluid vial and a second needle having a first end configured to penetrate the septum of the fluid vial and a second end configured to penetrate a septum of the reservoir of the infusion pump assembly to allow transfer of fluid from the fluid vial to the reservoir of the infusion pump assembly in response to air being pumped into the fluid vial and a needle carriage adapted to carry the first needle and the second needle, wherein the needle carriage slidably attached to the interior of the vial adapter assembly, wherein the needle carriage adapted to slide from a vial end of the vial adapter to a receptacle end of the vial adapter.

A wireless wearable device comprises a radiating system that contains at least a non-resonant element disposed in different arrangements within a radiating structure in the radiating system, featuring compact dimensions and an adequate performance when operating on a carrier living body.

An artificial tongue is provided. The artificial tongue includes tongue tissue formed by a bioprinting process, an antenna embedded within the tongue tissue and configured to wirelessly receive power from an external device, a processor embedded within the tongue tissue and operatively coupled to the antenna, and a piezoelectric element embedded within the tongue tissue and operatively coupled to the processor. The piezoelectric element is configured to deform in response to an applied electric bias, and the processor is configured to cause the electric bias to be applied to the piezoelectric element based on the power received by the antenna.