Abstract: A live facial recognition method and system includes capturing a visual image and obtaining temperature information of a person under recognition, and deriving facial features according to the visual image; comparing the facial features of the visual image with corresponding facial features of a facial feature database to obtain a difference therebetween; determining whether facial temperature conforms to a live facial recognition criterion according to the temperature information, if the difference is less than a predetermined threshold value.

Abstract: A cable structure includes isolation layers, a first signal wire, a second signal wire, a first ground wire, a second ground wire, a first conductor, and a second conductor. These signal and ground wires are parallel along a first direction and between the isolation layers. These signal wires are adjacent, and the ground wires are respectively at outer sides of these signal wires. The first conductor is on at least one of the isolation layers along a second direction orthogonal to the first direction and is electrically connected to the first and second ground wires. The second conductor is on an outer surface of at least one of the second isolation layers along the first direction and is electrically connected to the first conductor. The second conductor is symmetrical based on a central line between the first and second signal wires.

Abstract: A cable including a first insulating layer, a twisted pair, a ground structure, and at least one conducting element is provided. The twisted pair is disposed in the first insulating layer and includes two signal wires, wherein the two signal wires are intertwisted to each other. The ground structure is disposed at the first insulating layer. The conducting element includes a main body portion and at least one extending portion. The main body portion is disposed in the twisted pair to be surrounded by the two signal wires. The extending portion is connected to the main body portion and grounded to the ground structure.

Abstract: A cable including a first insulating layer, a twisted pair, a ground structure, and at least one conducting element is provided. The twisted pair is disposed in the first insulating layer and includes two signal wires, wherein the two signal wires are intertwisted to each other. The ground structure is disposed at the first insulating layer. The conducting element includes a main body portion and at least one extending portion. The main body portion is disposed in the twisted pair to be surrounded by the two signal wires. The extending portion is connected to the main body portion and grounded to the ground structure.

Abstract: A common mode filter includes a ground element, a transmission line pair and an extension element, which are disposed in first to third signal layers of a circuit board. The ground element includes a ground portion and a first ground line electrically connected with each other. The first ground line is disposed in a slot of the ground portion, and extends from a bottom portion to an opening of the slot. An orthogonal projection of the transmission line pair on the first signal layer is partially overlapped with an orthogonal projection of the ground portion on the first signal layer. The orthogonal projection of the transmission line pair on the first signal layer is not overlapped with an orthogonal projection of the first ground line on the first signal layer. The extension element is electrically connected to the first ground line through at least one conductive via.

Abstract: A cable structure includes isolation layers, a first signal wire, a second signal wire, a first ground wire, a second ground wire, a first conductor, and a second conductor. These signal and ground wires are parallel along a first direction and between the isolation layers. These signal wires are adjacent, and the ground wires are respectively at outer sides of these signal wires. The first conductor is on at least one of the isolation layers along a second direction orthogonal to the first direction and is electrically connected to the first and second ground wires. The second conductor is on an outer surface of at least one of the second isolation layers along the first direction and is electrically connected to the first conductor. The second conductor is symmetrical based on a central line between the first and second signal wires.

Abstract: A common mode filter includes a ground element, a transmission line pair and an extension element, which are disposed in first to third signal layers of a circuit board. The ground element includes a ground portion and a first ground line electrically connected with each other. The first ground line is disposed in a slot of the ground portion, and extends from a bottom portion to an opening of the slot. An orthogonal projection of the transmission line pair on the first signal layer is partially overlapped with an orthogonal projection of the ground portion on the first signal layer. The orthogonal projection of the transmission line pair on the first signal layer is not overlapped with an orthogonal projection of the first ground line on the first signal layer. The extension element is electrically connected to the first ground line through at least one conductive via.

Abstract: A power supply system with a variable supply voltage is provided. The power supply system includes a power adaptor, a battery unit, a switching circuit, and a main equipment. The power adaptor is suitable for producing a power voltage. The switching circuit selects the power adaptor or the battery unit for powering the main equipment. Wherein, the power adaptor adjusts the power voltage according to whether the battery unit performs a charge operation.

Abstract: An electronic device includes: a touch controller, periodically providing a touch sensing signal in a touch sensing period to a touch display panel for touch detection; a control core, periodically switching a level of a parallax switching signal; a parallax switching barrier, for respectively barricading a right-eye display zone and a left-eye display zone on the touch display panel in a left-eye display period and a right-eye display period in response to the parallax display switching signal; and an interference shielding module, for delaying the level switching of the parallax switching signal of the control core when a starting point of the touch sensing signal is detected, so as to prevent the level switching of the parallax switching signal from being triggered in the touch sensing period.

Abstract: An electronic device includes: a touch controller, periodically providing a touch sensing signal in a touch sensing period to a touch display panel for touch detection; a control core, periodically switching a level of a parallax switching signal; a parallax switching barrier, for respectively barricading a right-eye display zone and a left-eye display zone on the touch display panel in a left-eye display period and a right-eye display period in response to the parallax display switching signal; and an interference shielding module, for delaying the level switching of the parallax switching signal of the control core when a starting point of the touch sensing signal is detected, so as to prevent the level switching of the parallax switching signal from being triggered in the touch sensing period.

Abstract: A wireless communication user system for a wireless communication system includes an identity device and a communication device. The communication device is capable of establishing a near field connection with the identity device, so as to output a control command to the identity device via the near field connection, to obtain contents of a Subscriber Identity Module (SIM) card embedded in the identity device, and execute a wireless communication function of the wireless communication system with the contents of the SIM card.

Abstract: A power converter and a control method using the same are provided. The converter includes a power output stage, a feedback circuit, and an input detecting circuit. The power output stage transfers an input voltage to an output voltage, and adjusts the output voltage according to a feedback signal. The feedback circuit is used for generating the feedback signal associated with the output voltage. The input detecting circuit is used for detecting a variation of the input voltage to produce an input related signal associated with the input voltage. The input related signal is used to influence the feedback signal in linkage, so as to change the output voltage of the power output stage.

Abstract: A power supply system with a variable supply voltage is provided. The power supply system includes a power adaptor, a battery unit, a switching circuit, and a main equipment. The power adaptor is suitable for producing a power voltage. The switching circuit selects the power adaptor or the battery unit for powering the main equipment. Wherein, the power adaptor adjusts the power voltage according to whether the battery unit performs a charge operation.

Abstract: An antenna structure consists of a substrate, a radiation element, a signal feeding element, and a grounding element. The radiation element includes a first radiator and a second radiator coupled to the first radiator, wherein the first radiator is identical to the second radiator. The signal feeding element is coupled to a joint of the first radiator and the second radiator, wherein the first radiator and the second radiator are symmetrically disposed in the left and right sides of the signal feeding element to permute an array. The grounding element includes a first grounding sub-element and a second grounding sub-element, wherein the first grounding sub-element is coupled between the first radiator and the substrate and the second grounding sub-element is coupled between the second radiator and the substrate. The first grounding sub-element is identical to the second grounding sub-element.

Abstract: An antenna module for wireless signal transmission of an electronic device is disclosed. The antenna module comprises an antenna body and a fixing part. The antenna body comprises a radiating element, a grounding element, a connecting element, and a feeding point. The radiating element has a first radiating area and a second radiating area. The connecting element has a first end and a second end. The first end is connected with the first radiating area of the radiating element and the second end is connected with the grounding element. The feeding point is disposed on the radiating element and is used to feed a signal. The fixing part comprises a main body and a first clip portion. The main body is used to match the shape of the antenna body. The first clip portion is used to clip and fix the antenna body.

Abstract: The antenna of the invention includes a transceiver unit and a dielectric unit. The transceiver unit has a ground portion, a radial portion, a conductive portion and a feed portion. The ground portion and the radial portion are disposed apart in parallel, so as to form a space therebetween. The distance between the ground portion and the radial portion is defined as a transceiver unit height. The dielectric unit is disposed in the space. That is, the dielectric unit is disposed between the ground portion and the radial portion. The dielectric unit has a dielectric unit thickness less than the transceiver unit height. In one embodiment, the ratio of the dielectric unit thickness to the transceiver unit height is preferably between 0.4 and 0.7.

Abstract: An external antenna module includes a signal terminal for connecting to an electronic device; an antenna, electrically connected to the signal terminal, for transmitting and receiving corresponding radio signals; and an identification tag unit, coupled to the signal terminal, for generating a specific identification signal.

Abstract: An electronic device with external antenna identification function includes a plurality of external antenna modules, each of which includes an antenna and an identification tag unit for generating a specific identification signal to identify the external antenna module according to a query signal, a connection port, a identification tag authorizing module, coupled to the connection port, for outputting the query signal when one of the plurality of external antenna modules is connected to the connection port and for generating a identification result according to the specific identification signal generated by the external antenna module, and a radio transceiver module, coupled to the connection port and the identification tag authorizing module, for transmitting and receiving corresponding radio signals according to the identification result.

Abstract: An occupant detection system and method are provided. The system includes a capacitive sensor having an electrode arranged in a seat proximate to an expected location of an occupant for sensing an occupant presence approximate thereto. The capacitive sensor is configured to provide an output indicative of the sensed occupant presence. The system also includes a force sensor arranged within the seat providing an output indicative of a sensed force applied to the seat. The system further includes occupant detection circuitry for processing the capacitive sensor output and force sensor output and detecting a state of occupancy of the seat based on the capacitive sensor output and the force sensor output.

Abstract: An antenna structure consists of a substrate, a radiation element, a signal feeding element, and a grounding element. The radiation element includes a first radiator and a second radiator coupled to the first radiator, wherein the first radiator is identical to the second radiator. The signal feeding element is coupled to a joint of the first radiator and the second radiator, wherein the first radiator and the second radiator are symmetrically disposed in the left and right sides of the signal feeding element to permute an array. The grounding element includes a first grounding sub-element and a second grounding sub-element, wherein the first grounding sub-element is coupled between the first radiator and the substrate and the second grounding sub-element is coupled between the second radiator and the substrate. The first grounding sub-element is identical to the second grounding sub-element.