Abstract: A sensor device includes a fingerprint sensing module, configured to sense a first raw image using a first exposure time; and an exposure time adjusting module. The exposure time adjusting module is configured to obtain a first image according to the first raw image; determine whether the first image comprises a flicker noise; and adjust the first exposure time when the first image comprises the flicker noise, so as to mitigate the flicker noise.

Abstract: An LED lighting device driven by boosting alternating current includes a mains AC input terminal, an LED lighting load, and an AC boosting driving circuit. The mains AC input terminal is configured to input mains electricity. The AC boosting driving circuit is electrically connected the mains AC input terminal and the LED lighting load, and is configured to perform forward boosting and reverse boosting for the mains electricity from the mains AC input terminal so that the voltage of the mains electricity is boosted to 1.5 to 6 times to be supplied to the LED lighting load. The LED lighting load achieves the same luminous efficiency, and the current flowing through the LED lighting load is reduced, thereby reducing the heat generated by the LED lighting load. The operating temperature of the LED lighting load is reduced. The service life is prolonged.

Abstract: A fingerprint sensing method and a fingerprint sensing device are provided. The fingerprint sensing method includes the following steps. A first supply voltage is provided to power a fingerprint sensing circuit of the fingerprint sensing circuit. When the fingerprint sensing circuit is powered by the first supply voltage, it is detected whether a finger touch occurs. In response to determining that the finger touch has occurred, a second supply voltage is provided to power the fingerprint sensing device. A fingerprint image sensing is performed to obtain a fingerprint image when the fingerprint sensing circuit is powered by the second supply voltage.

Abstract: An Internet of Vehicles system performing connection authentication through a public network and a connection method using the same are disclosed. A mobile device transmits an authentication code to a remote cloud server to complete an online identity authentication, searches a local vehicular computer through a Bluetooth connection after completion of the online identity authentication, exchanges information with the vehicular computer, authenticates the exchanged information, and establishes connection with the vehicular computer after completion of the authentication. For control over the vehicular computer of a vehicle through the mobile device, the online identity authentication must be completed before data exchange and established secure connection, thereby effectively enhancing effectiveness of connection security and lowering the risk of vehicle theft.

Abstract: An Internet of Vehicles system performing connection authentication through a public network and a connection method using the same are disclosed. A mobile device transmits an authentication code to a remote cloud server to complete an online identity authentication, searches a local vehicular computer through a Bluetooth connection after completion of the online identity authentication, exchanges information with the vehicular computer, authenticates the exchanged information, and establishes connection with the vehicular computer after completion of the authentication. For control over the vehicular computer of a vehicle through the mobile device, the online identity authentication must be completed before data exchange and established secure connection, thereby effectively enhancing effectiveness of connection security and lowering the risk of vehicle theft.

Abstract: A signal processing circuit for receiving a sensing signal from a sensor includes a capacitor group, an amplifier and a switch. The sensing signal consists of a common-mode part and a differential-mode part. The capacitor group, coupled to a node, includes an input capacitor for coupling the sensing signal to the node and a compensation capacitor for coupling a compensation signal to the node. The amplifier, coupled to the node, is configured to amplify the sensing signal coupled from the input capacitor. The switch is coupled between the node and the amplifier.

Abstract: An intelligent vehicular electronic key system includes a cloud server, a first user device, a second user device and a vehicle control unit. The vehicle control unit is installed inside a vehicle and is connected to the cloud server through the Internet. When activating an electronic key sharing function, the first user transmits an electronic key information link to the second user device. After activating the electronic key information link, the second user device transmits a privilege authentication request and receives an access confirmation to and from the cloud server. The second user device further activates a vehicle control function and transmits a vehicle control signal to the vehicle control unit through the cloud server for the vehicle control unit to control operation of the vehicle. Accordingly, sharing access privilege of the electronic key enhances operation convenience of the vehicle.

Abstract: An intelligent vehicular electronic key system includes a cloud server, a first user device, a second user device and a vehicle control unit. The vehicle control unit is installed inside a vehicle and is connected to the cloud server through the Internet. When activating an electronic key sharing function, the first user transmits an electronic key information link to the second user device. After activating the electronic key information link, the second user device transmits a privilege authentication request and receives an access confirmation to and from the cloud server. The second user device further activates a vehicle control function and transmits a vehicle control signal to the vehicle control unit through the cloud server for the vehicle control unit to control operation of the vehicle. Accordingly, sharing access privilege of the electronic key enhances operation convenience of the vehicle.

Abstract: A capacitive image sensing device is provided. The capacitive image sensing device includes a first charge amplifier, a second charge amplifier and a differential amplifier. The first charge amplifier is coupled to one of sensing electrodes of a sensor array. The differential amplifier has a first input terminal, a second input terminal and a differential output terminal pair. The first input terminal of the differential amplifier is coupled to the first charge amplifier. The second input terminal of the differential amplifier is coupled to the second charge amplifier.

Abstract: A LED light emitting device includes a heat dissipating substrate, a heat reflective layer disposed on the heat dissipating substrate, a circuit unit disposed on the heat dissipating substrate and spaced apart from the heat reflective layer, and a LED chip unit insulatively disposed on the heat reflective layer and electrically connected to the circuit unit.

Abstract: A tracking method includes enabling a target device to obtain a location information thereof, and enabling the target device to generate a uniform resource locator (URL), which contains the location information obtained thereby and a location of an electronic map-containing webpage of a website. The electronic map-containing webpage contains an electronic map, and an indication of a location of the target device on the electronic map.

Abstract: A tracking method includes enabling a target device to obtain a location information thereof, and enabling the target device to generate a uniform resource locator (URL), which contains the location information obtained thereby and a location of an electronic map-containing webpage of a website. The electronic map-containing webpage contains an electronic map, and an indication of a location of the target device on the electronic map.

Abstract: A tracking method, which is implemented using a mobile terminal, includes the steps of establishing in the mobile terminal a landmark database that contains location data of a plurality of predetermined landmarks, enabling the mobile terminal to periodically receive a position information signal that contains position information of the mobile terminal, and enabling the mobile terminal to generate a location information signal that is subsequently transmitted to a locating party through a wireless telecommunications network. The location information signal is generated with reference to the landmark database, and the position information of the position information signal received by the mobile terminal, and indicates one of the landmarks in the landmark database that is closest to the mobile terminal.

Abstract: An anti-theft device for an automobile includes a base module and a remote controller. The remote controller is operable so as to transmit control signals that are to be received by the base module for controlling operation of the base module, and includes a command transmit key, a processor unit, a transmitter unit, and an indicator unit. The processor unit is coupled to the command transmit key. The transmitter unit is coupled to and controlled by the processor unit so as to transmit the control signals wirelessly. The processor unit controls the transmitter unit so as to transmit the control signals according to mode of activation of the command transmit key. The indicator unit is connected electrically to and controlled by the processor unit to provide an indication immediately after activation of the command transmit key for a predetermined activation time period.

Abstract: An electric toaster includes a power switch unit driven by an electromagnet, for holding a spring-loaded carriage mounted in a toasting compartment when the carriage is moved from an upper position to a lower position, so as to switch from an OFF-mode, where the electromagnet is disposed in a deactivated position, to an ON-mode, where the electromagnet is disposed in an activated position. A control unit enables the electromagnet to be excited when the carriage is moved from the upper position to the lower position so as to attract the carriage such that the electromagnet subsequently moves with the carriage from the deactivated position to the activated position.