Abstract: Provided is a charging detection circuit, a charging case and a communication apparatus of charging. The charging detection circuit includes: a first touch point, a second touch point, a switching circuit, a charging circuit, a detecting circuit and a first communication circuit, where the switching circuit is connected to the first touch point; the charging circuit is connected to the detecting circuit via the second touch point; the first communication circuit is connected to the first touch point and/or the second touch point; when a supply voltage of the first touch point is a system voltage, and the first touch point and the second touch point are both in contact with a first device, the detecting circuit triggers the first communication circuit to acquire a state of charge of the first device.

Abstract: Provided is a charging detection circuit, a charging case and a communication apparatus of charging. The charging detection circuit includes: a first touch point, a second touch point, a switching circuit, a charging circuit, a detecting circuit and a first communication circuit, where the switching circuit is connected to the first touch point; the charging circuit is connected to the detecting circuit via the second touch point; the first communication circuit is connected to the first touch point and/or the second touch point; when a supply voltage of the first touch point is a system voltage, and the first touch point and the second touch point are both in contact with a first device, the detecting circuit triggers the first communication circuit to acquire a state of charge of the first device.

Abstract: The present disclosure is applicable to the technical field of near field communication, and in particular, provides an NFC antenna-integrated touch screen, a terminal and a near field communication method thereof. The touch screen comprises a substrate, the substrate having a touch sensing region, a touch sensing electrode pattern being arranged in the touch sensing region; wherein a single-turn conductive wire is arranged on an outer side of the touch sensing region, the conductive wire being connected to an external near field communication manager as a screen antenna for near field communication.

Abstract: The present disclosure provides a mobile terminal security authentication method and system, and a mobile terminal thereof. The method includes: acquiring, by a mobile terminal, first gesture information, and receiving security authentication information sent by a wearable device; authenticating, by the mobile terminal, identity of the wearable device according to the security authentication information, and authenticating the first gesture information; and determining that the wearable device passes security authentication of the mobile terminal if the wearable device passes identity authentication and the first gesture information passes authentication. With the mobile terminal security authentication method according to the embodiments of the present disclosure, security of user data stored in the mobile terminal is ensured, leakage of user privacy is prevented and user experience is improved.

Abstract: Disclosed are near-field communication system, method and terminal. The near-field communication system includes a first terminal and a second terminal configured to: when it is detected that a coupling capacitance between the first terminal and the second terminal is less than a predetermined value, adjust a connection of a driving channel and/or a sensing channel of the second terminal, to adjust the coupling capacitance between the second terminal and the first terminal; and establish communication between the second terminal and the first terminal when it is detected that the coupling capacitance between the first terminal and the second terminal is greater than or equal to the predetermined value.

Abstract: The present disclosure provides a mobile terminal security authentication method and system, and a mobile terminal thereof. The method includes: acquiring, by a mobile terminal, first gesture information, and receiving security authentication information sent by a wearable device; authenticating, by the mobile terminal, identity of the wearable device according to the security authentication information, and authenticating the first gesture information; and determining that the wearable device passes security authentication of the mobile terminal if the wearable device passes identity authentication and the first gesture information passes authentication. With the mobile terminal security authentication method according to the embodiments of the present disclosure, security of user data stored in the mobile terminal is ensured, leakage of user privacy is prevented and user experience is improved.

Abstract: The present disclosure is applicable to the technical field of near field communication, and in particular, provides an NFC antenna-integrated touch screen, a terminal and a near field communication method thereof. The touch screen comprises a substrate, the substrate having a touch sensing region, a touch sensing electrode pattern being arranged in the touch sensing region; wherein a single-turn conductive wire is arranged on an outer side of the touch sensing region, the conductive wire being connected to an external near field communication manager as a screen antenna for near field communication.

Abstract: Disclosed are near-field communication system, method and terminal. The near-field communication system includes a first terminal and a second terminal configured to: when it is detected that a coupling capacitance between the first terminal and the second terminal is less than a predetermined value, adjust a connection of a driving channel and/or a sensing channel of the second terminal, to adjust the coupling capacitance between the second terminal and the first terminal; and establish communication between the second terminal and the first terminal when it is detected that the coupling capacitance between the first terminal and the second terminal is greater than or equal to the predetermined value.