Abstract: An inductor is disclosed, the inductor comprising: a T-shaped magnetic core, being made of a material comprising an annealed soft magnetic metal material and having a base and a pillar integrally formed with the base, wherein ?C×Hsat?1800, where ?C is a permeability of the T-shaped magnetic core, and Hsat (Oe) is a strength of the magnetic field at 80% of ?C0, where ?C0 is the permeability of the T-shaped magnetic core when the strength of the magnetic field is 0.

Abstract: A cavity-backed slot antenna system provided in this disclosure is installed in a housing of an electronic device and includes a metal cavity, a supporting element, an antenna device, a conductive post, and a coupling metal part. The metal cavity is in the housing and includes an opening and a closed surface opposite to each other. A slot is on the closed surface. The supporting element is in the metal cavity. The antenna device is in the metal cavity and on the supporting element, to expose one side surface of the antenna device. The antenna device includes a feed source. The conductive post penetrates the antenna device and connects to the metal cavity. The coupling metal part is in the housing and close to the opening of the metal cavity, so that the coupling metal part is close to and corresponds to the feed source of the antenna device.

Abstract: A communication device is provided. The communication device comprises a metal back cover electrically connected to a system ground plane; a first antenna unit for generating a first operating frequency band of the communication device; a second antenna unit for generating a second operating frequency band of the communication device. The first antenna unit includes a first signal source electrically connected to a first metal frame via a first matching circuit. The second antenna unit includes a second signal source electrically connected to a second metal frame via a second matching circuit. The first matching circuit and the second matching circuit are configured to adjust bandwidths and frequency ratios of the first operating frequency band and the second operating frequency band.

Abstract: An antenna system includes: a plurality of antennas; a switching unit, having a plurality of switches, wherein each of the plurality of switches and the corresponding antenna are in a conducting state or in a non-conducting state; a communication unit, connected with each of the plurality of switches of the switching unit, and coupled with the antennas, wherein the communication unit receives a reference value group of the corresponding antenna from the switch in the conducting state; and a control unit, connected with the switching unit and the communication unit, wherein the control unit receives the reference value group from the communication unit, and compares the reference value group with an threshold, to determine whether the reference value group conforms to a pre-determined condition or not, and outputs a restarting instruction to restart the switching unit when the reference value group does not satisfy the pre-determined condition.

Abstract: The invention provides transcranial electrostimulation by combining transcranial direct current stimulation (tDCS) and theta burst stimulation (TBS) to achieve an unexpected therapeutic effect in various brain or neural diseases. Accordingly, the invention provides a mode of direct current with biphasic square wave pulses in the treatment of brain or neural diseases. Also provided are methods of employing the transcranial electrostimulation of the invention and applications of the transcranial electrostimulation of the invention.

Abstract: An antenna system includes: a plurality of antennas; a switching unit, having a plurality of switches, wherein each of the plurality of switches and the corresponding antenna are in a conducting state or in a non-conducting state; a communication unit, connected with each of the plurality of switches of the switching unit, and coupled with the antennas, wherein the communication unit receives a reference value group of the corresponding antenna from the switch in the conducting state; and a control unit, connected with the switching unit and the communication unit, wherein the control unit receives the reference value group from the communication unit, and compares the reference value group with an threshold, to determine whether the reference value group conforms to a pre-determined condition or not, and outputs a restarting instruction to restart the switching unit when the reference value group does not satisfy the pre-determined condition.

Abstract: A proximity sensor and a mobile communication device thereof are provided. The mobile communication device includes an antenna structure, a matching circuit, a capacitance sensing circuit and a processing circuit. The matching circuit couples to the antenna structure. The capacitance sensing circuit couples to the matching circuit. The capacitance sensing circuit senses a capacitance variation on the antenna structure via the matching circuit and accordingly generates a proximity sensing signal. The processing circuit is coupled to the capacitance sensing circuit to receive the proximity sensing signal. When a signal level of the proximity sensing signal exceeds a first threshold value, an object is determined approaching, and when the signal level of the proximity sensing signal exceeds a second threshold value, a human body is determines approaching. The first and the second threshold value are different.

Abstract: A communication device is provided. The communication device comprises a metal back cover electrically connected to a system ground plane; a first antenna unit for generating a first operating frequency band of the communication device; a second antenna unit for generating a second operating frequency band of the communication device. The first antenna unit includes a first signal source electrically connected to a first metal frame via a first matching circuit. The second antenna unit includes a second signal source electrically connected to a second metal frame via a second matching circuit. The first matching circuit and the second matching circuit are configured to adjust bandwidths and frequency ratios of the first operating frequency band and the second operating frequency band.

Abstract: A proximity sensor and a mobile communication device thereof are provided. The mobile communication device includes an antenna structure, a matching circuit, a capacitance sensing circuit and a processing circuit. The matching circuit couples to the antenna structure. The capacitance sensing circuit couples to the matching circuit. The capacitance sensing circuit senses a capacitance variation on the antenna structure via the matching circuit and accordingly generates a proximity sensing signal. The processing circuit is coupled to the capacitance sensing circuit to receive the proximity sensing signal. When a signal level of the proximity sensing signal exceeds a first threshold value, an object is determined approaching, and when the signal level of the proximity sensing signal exceeds a second threshold value, a human body is determines approaching. The first and the second threshold value are different.

Abstract: A directional antenna including a ground plane, a feeding element and a radiating element is provided. The feeding element is adjacent to the ground plane and includes a feeding point. A coupling gap is formed between the radiating element and the feeding element, and the radiating element includes a coupling point. Both the coupling point of the radiating element and the feeding point of the feeding element are at the perpendicular line of a ground plane. Further, a distance between the coupling point and an open end of the radiating element is smaller than 0.16? of a resonant frequency of the directional antenna.

Abstract: A reinforcing structure of an electrical receptacle connector includes an insulation housing, a terminal group, and a reinforcing sheet. The insulation housing includes a substrate and a tongue portion extending to one side of the substrate. The tongue portion includes a top surface, a bottom surface, and a front side surface between the top surface and the bottom surface. The terminal group is provided on the bottom surface, and includes a power supply terminal and a grounding terminal. A contact wall is formed between the power supply terminal and the front side surface, and the reinforcing sheet is provided on the top surface. The reinforcing sheet includes a front baffle and a recessed portion, the front baffle is fixed on the front side surface, and the recessed portion inwardly curves to be formed on the front baffle and corresponds to the contact wall.

Abstract: The invention provides transcranial electrostimulation by combining transcranial direct current stimulation (tDCS) and theta burst stimulation (TBS) to achieve an unexpected therapeutic effect in various brain or neural diseases. Accordingly, the invention provides a mode of direct current with biphasic square wave pulses in the treatment of brain or neural diseases. Also provided are methods of employing the transcranial electrostimulation of the invention and applications of the transcranial electrostimulation of the invention.

Abstract: A reinforcing structure of an electrical receptacle connector includes an insulation housing, a terminal group, and a reinforcing sheet. The insulation housing includes a substrate and a tongue portion extending to one side of the substrate. The tongue portion includes a top surface, a bottom surface, and a front side surface between the top surface and the bottom surface. The terminal group is provided on the bottom surface, and includes a power supply terminal and a grounding terminal. A rubbed wall is formed between the power supply terminal and the front side surface, and the reinforcing sheet is provided on the top surface. The reinforcing sheet includes a front baffle and a recessed portion, the front baffle is fixed on the front side surface, and the recessed portion inwardly curves to be formed on the front baffle and corresponds to the rubbed wall.

Abstract: A tunable antenna includes a ground plane, a first radiation unit and a second radiation unit. The first radiation unit includes a feeding portion and a coupling portion. The feeding portion is electrically connected to a signal source. The second radiation unit surrounds a part of the coupling portion and includes a grounding end and a switch unit. The grounding end is electrically connected to the ground plane. The switch unit is electrically connected to the grounding end and the ground plane selectively.

Abstract: A directional antenna including a ground plane, a feeding element and a radiating element is provided. The feeding element is adjacent to the ground plane and includes a feeding point. A coupling gap is formed between the radiating element and the feeding element, and the radiating element includes a coupling point. Both the coupling point of the radiating element and the feeding point of the feeding element are at the perpendicular line of a ground plane. Further, a distance between the coupling point and an open end of the radiating element is smaller than 0.16? of a resonant frequency of the directional antenna.

Abstract: Flat panel display. A flat panel display comprises a first case, a second case connected to the first case, a light guide unit disposed between the first and second cases, a flat display panel and a light assembly. The light guide unit includes a light incident surface. The flat display panel includes a display surface between the first case and the light guide unit. A recess, formed by the light incident surface and the first and second cases, includes an opening toward a direction substantially parallel to the display surface. The light assembly is fixed in the recess, comprising a third case and a light source disposed in the third case.