Abstract: A device includes a first pin configured to connect to a first terminal of a resonator, a second pin configured to connect to a second terminal of a resonator, a gain stage having a first terminal electrically connected to the first pin, and a voltage drop circuit. The voltage drop circuit includes a first transistor having an input terminal electrically connected to a second terminal of the gain stage, and a second transistor having an input terminal electrically connected to an output terminal of the first transistor, and an output terminal electrically connected to the second pin.

Abstract: A safety syringe has a barrel, a pushing element, a retracting element, and a needle group. The barrel is hollow and has a needle-group mounting end, an operating grip end, and a barrel lumen. The pushing element is retractably mounted in the barrel lumen and has a pushrod chamber. The retracting element is airtightly and slidably mounted in the pushrod chamber. The needle group is connected to the needle-group mounting end of the barrel. The present invention can pull the retracting element to move relative to the pushing element to form a low pressure condition in the pushrod chamber as a vacuum status. After the injection, a vacuum attraction force in the pushrod chamber can retract the used needle group into the pushrod chamber for safe use of the safety syringe.

Abstract: An electronic device with a power management mechanism and a power management method thereof are disclosed. The electronic device includes a multi-core processor and a temperature sensor. The multi-core processor has a plurality of processor cores. The temperature sensor is coupled to the multi-core processor. The temperature sensor detects the temperature of the multi-core processor and determines whether the electronic device enters an underclocking mode from a performance priority mode according to the detected temperature. When the temperature of the multi-core processor is greater than a first temperature threshold, the multi-core processor controls the electronic device to enter a first underclocking mode and dynamically adjusts an enabled core number. When the temperature of the multi-core processor is greater than a second temperature threshold, the multi-core processor controls the electronic device to enter a second underclocking mode.

Abstract: Method for providing an electronic program guide includes the following steps. First electronic program list data is grouped according to at least two condition factors not related to program broadcasting time to generate at least a first set of two-dimensional program list data. A display unit of a multimedia reproduction system is controlled to display the at least the first set of two-dimensional program list data on a screen thereof, wherein the screen displays a plurality of image blocks on a first plane, the image blocks on the first plane individually represent at least a portion of programs corresponding to the first set of two-dimensional program list data and are arranged according to first and second coordinate axes corresponding to first and second condition factors. When the system receives a selection indication, a program represented by one image block corresponding to the selection indication is played on the screen.

Abstract: A device includes a first pin configured to connect to a first terminal of a resonator, a second pin configured to connect to a second terminal of a resonator, a gain stage having a first terminal electrically connected to the first pin, and a voltage drop circuit. The voltage drop circuit includes a first transistor having an input terminal electrically connected to a second terminal of the gain stage, and a second transistor having an input terminal electrically connected to an output terminal of the first transistor, and an output terminal electrically connected to the second pin.

Abstract: A method for controlling rotation speed is suitable for an electronic device having a vibrating fan module. The vibrating fan module can generate vibration and output airflow simultaneously. The method for controlling rotation speed includes the following steps. Whether a vibration signal transmitted by the electronic device is received is determined. When the vibration signal is received, a rotation speed of the vibrating fan module is adjusted to a vibration rotation speed. A temperature of the electronic device is sensed. Whether the temperature of the electronic device is greater than or equal to a first preset temperature is determined. When the temperature of the electronic device is greater than or equal to the first preset temperature, the rotation speed of the vibrating fan module is adjusted to a first rotation speed according to the temperature of the electronic device. The first rotation speed is less than the vibration rotation speed.

Abstract: An electronic device with a power management mechanism and a power management method thereof are disclosed. The electronic device includes a multi-core processor and a temperature sensor. The multi-core processor has a plurality of processor cores. The temperature sensor is coupled to the multi-core processor. The temperature sensor detects the temperature of the multi-core processor and determines whether the electronic device enters an underclocking mode from a performance priority mode according to the detected temperature. When the temperature of the multi-core processor is greater than a first temperature threshold, the multi-core processor controls the electronic device to enter a first underclocking mode and dynamically adjusts an enabled core number. When the temperature of the multi-core processor is greater than a second temperature threshold, the multi-core processor controls the electronic device to enter a second underclocking mode.

Abstract: A thin film transistor structure includes a substrate, a gate structure, a semiconductor active layer, a drain structure and a source structure. The gate structure and the semiconductor active layer are disposed above the substrate. The drain structure and the source structure are disposed on a first surface of the semiconductor active layer. At least a gap is formed between the source structure and the drain structure. The gap is extended along the first surface of the semiconductor active layer and is located in a projection area of the gate structure. A first portion of the gap includes a first straight segment, a first curved segment and a second curved segment. The first curved segment and the second curved segment are connected to a first end and a second end of the first straight segment, respectively. The first curved segment and the second curved segment have opposite bending directions.

Abstract: An electronic apparatus and a protective cover for a mobile device are disclosed. The protective cover is removably attached on an outer surface of a mobile device. The protective cover comprises an outer protective layer, a thermo-conductive layer and a thermoelectric material layer. The thermo-conductive layer is attached on the outer surface of the mobile device. The thermoelectric material layer has a first side adjacent to the thermo-conductive layer and a second side adjacent to the outer protective layer. The thermoelectric material layer generates a current according to a temperature difference between the first side and the second side.

Abstract: A method of interacting with a large display device includes determining a file format of at least one file when the at least one file is opened; providing a plurality of functions on a plurality of buttons according to the file format, wherein each of the plurality of functions controls the at least one file; deploying the plurality of buttons on both sides of a main screen according to a layer layout, wherein each of the plurality of buttons includes a context or an icon corresponding to one of the plurality of functions; determining whether any of the plurality of buttons is triggered; and enabling a function of one of the plurality of buttons when the button is triggered.

Abstract: A heat exchanger of a desiccant wheel dehumidifier, disclosed in the disclosure, includes a frame and multiple heat exchange platy tubes. The frame has an air inlet and an air outlet. The multiple heat exchange platy tubes are fixed on the frame and are substantially arranged side by side with each other. Every two of the multiple heat exchange platy tubes adjacent to each other are separated at an interval from each other to form a first flow channel. Each of the multiple heat exchange platy tubes includes a main body and at least one spacing wall. The main body has multiple second flow channels therein. The at least one spacing wall is located between two of the multiple second flow channels adjacent to each other. The air inlet and the air outlet communicate with the multiple second flow channels.

Abstract: A fatigue monitoring apparatus includes a fatigue detecting helmet. The fatigue detecting helmet includes a cap, a first electrode, a second electrode, a fatigue computation device and a power supply. The first electrode is disposed in the cap to contact a head, thereby obtaining a first physiological information. The second electrode is positioned out of the cap to contact the head, thereby obtaining a second physiological information. The fatigue computation device and the power supply are disposed on the cap. The fatigue computation device includes a brainwave computation module and a fatigue judgment module. The brainwave computation module is electrically connected to the first and second electrodes for obtaining a brainwave information based on the first and second physiological information. The fatigue judgment module is electrically connected to the brainwave computation module for obtaining a fatigue information based on the brainwave information.

Abstract: The present disclosure discloses a navigation device and a navigation method. The navigation method includes a satellite signal receiving module of the navigation device for receiving a positioning signal, a control unit of the navigation device for controlling a display module to display a navigation map on a map region according to the positioning signal, and the control unit of the navigation device for controlling a prompt region to present prompt information with different light effects according to traffic information. The prompt region is located outside the map region. Therefore, it is unnecessary for the user to further pay too much cognitive attention on understanding or referring to the navigation images and instructions, so the driving safety can be ensured.

Abstract: An apparatus includes first and second switches. The first switch is for coupling a first node to a second node responsive to a first control signal having a first value, and for decoupling these nodes responsive to the first control signal having a second value. The second switch is for coupling the first node to a third node responsive to a second control signal having the first value, and for decoupling these nodes responsive to the second control signal having the second value. A load is coupled between the second and third nodes. A detection circuit coupled to the first node is configured to generate a signal indicating whether voltage at the first node exceeds a threshold. First and second modules are configured to set the first and second control signals to the second value responsive to the signal indicating that the voltage at the first node exceeds the threshold.

Abstract: A hybrid DC/AC inverter for converting DC power to AC power feed to a grid voltage system has an input circuit, a half/full bridge switchable circuit and an output circuit. The input circuit has two input terminals for connecting to a DC source and outputs the DC power. The half/full bridge switchable circuit can be operated in a buck mode based on amplitudes of the DC power and the grid voltage. The output circuit is for connecting to the grid voltage system. According to comparison results between of the DC power and the grid voltage, the half/full bridge switchable circuit is selectively operated in the buck mode to reduce switching loss and power consumption.

Abstract: Method for providing an electronic program guide includes the following steps. First electronic program list data is grouped according to at least two condition factors not related to program broadcasting time to generate at least a first set of two-dimensional program list data. A display unit of a multimedia reproduction system is controlled to display the at least the first set of two-dimensional program list data on a screen thereof, wherein the screen displays a plurality of image blocks on a first plane, the image blocks on the first plane individually represent at least a portion of programs corresponding to the first set of two-dimensional program list data and are arranged according to first and second coordinate axes corresponding to first and second condition factors. When the system receives a selection indication, a program represented by one image block corresponding to the selection indication is played on the screen.

Abstract: An apparatus includes first and second switches. The first switch is for coupling a first node to a second node responsive to a first control signal having a first value, and for decoupling these nodes responsive to the first control signal having a second value. The second switch is for coupling the first node to a third node responsive to a second control signal having the first value, and for decoupling these nodes responsive to the second control signal having the second value. A load is coupled between the second and third nodes. A detection circuit coupled to the first node is configured to generate a signal indicating whether voltage at the first node exceeds a threshold. First and second modules are configured to set the first and second control signals to the second value responsive to the signal indicating that the voltage at the first node exceeds the threshold.

Abstract: The present disclosure discloses a navigation device and a navigation method. The navigation method includes a satellite signal receiving module of the navigation device for receiving a positioning signal, a control unit of the navigation device for controlling a display module to display a navigation map on a map region according to the positioning signal, and the control unit of the navigation device for controlling a prompt region to present prompt information with different light effects according to traffic information. The prompt region is located outside the map region. Therefore, it is unnecessary for the user to further pay too much cognitive attention on understanding or referring to the navigation images and instructions, so the driving safety can be ensured.

Abstract: A needle protecting module of an injection device in connecting with a syringe has a needle base, a needle body a tube module, a mounting tube, an elastic unit, and a stopping unit. The syringe has a tube body and an axis. The needle body transfixes the needle base and communicates with the tube body for medication injection. The needle base is removably engaged with the tube body and bearing the needle protecting module is transfixed by the needle body. The tube module is mounted around the needle base and has an annular space. The mounting tube is movably inserted into the annular space. The elastic unit is mounted in the annular space and abuts both the mounting tube and the needle base bilaterally. The stopping unit is moveably mounted in the annular space and is selectively engaged with the mounting tube.

Abstract: A heat exchanger of a desiccant wheel dehumidifier, disclosed in the disclosure, includes a frame and multiple heat exchange platy tubes. The frame has an air inlet and an air outlet. The multiple heat exchange platy tubes are fixed on the frame and are substantially arranged side by side with each other. Every two of the multiple heat exchange platy tubes adjacent to each other are separated at an interval from each other to form a first flow channel. Each of the multiple heat exchange platy tubes includes a main body and at least one spacing wall. The main body has multiple second flow channels therein. The at least one spacing wall is located between two of the multiple second flow channels adjacent to each other. The air inlet and the air outlet communicate with the multiple second flow channels.