An antenna system is set in a substrate. The substrate includes a first floor, a second floor, a third floor, a fourth floor, and a ground plane. The antenna system further includes at least one radiation part, including a first radiation part, a second radiation part, and a third radiation part. The antenna system further includes at least one signal feed part set in the fourth floor, configured to feed electromagnetic wave signal. The feed part comprises a first feed part, a second feed part, and a third feed part. The antenna system 10 employs simple hierarchical structure, is low cost, and occupies a little space. The antenna system also has advantages of high gain, low loss, and high stability in 2.412 GHz˜2.472 GHz frequency band.

An antenna-like matching component is provided, comprising one or more conductive portions formed on a substrate. Shapes and dimensions of the one or more conductive portions are determined to provide impedance matching for one or more antennas coupled to the matching component.

An antenna-like matching component is provided, comprising one or more conductive portions formed on a substrate. Shapes and dimensions of the one or more conductive portions are determined to provide impedance matching for one or more antennas coupled to the matching component.

A surgical product supply system includes a cart having a first compartment and a second compartment. The first compartment has first, second, third and fourth walls. The first and second walls are constructed of radio-reflective material and the third and fourth walls are constructed of a radio-absorptive material. The first compartment has a first storage area. A first RFID antenna array is attached to the first wall and is positioned within the first storage area. The first RFID antenna array includes a first plurality of RFID antennas. A second RFID antenna array is attached to the second wall and is positioned within the first storage area. The second RFID antenna array includes a second plurality of RFID antennas. The first RFID antenna is offset relative to the second RFID antenna such that opposing central axes of the first and second RFID antennas are not colinear.

A wireless communications system includes a first transceiver with a first phased array antenna panel having first circularly polarization reconfigurable receive transmit antennas, where the first circularly polarization reconfigurable receive transmit antennas form a first receive beam based on receive phase and receive amplitude information provided by a first master chip and form a first transmit beam based on transmit phase and transmit amplitude information provided by the first master chip. The wireless communications system may include a second transceiver having second circularly polarization reconfigurable receive transmit antennas where the second circularly polarization reconfigurable receive transmit antennas form a second receive beam based on receive phase and receive amplitude information provided by a second master chip, and form a second transmit beam based on transmit phase and transmit amplitude information provided by the second master chip.

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.

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 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 device (1) includes an antenna element (6) and a plurality of EBG elements (10), in which the plurality of EBG elements (10) includes a plurality of first EBG elements (11) and a plurality of second EBG elements (12) having a structure different from a structure of the plurality of first EGB elements (11).