Abstract: An electronic device includes a substrate, a transistor, and a ring resonator. The transistor is over the substrate. The ring resonator is over the substrate and overlaps with the transistor. The ring resonator includes a conductive loop and an impedance matching element. The conductive loop includes a loop portion having two first parts and a second part and two feeding lines. Each of the first parts of the loop portion is between the second part of the loop portion and one of the feeding lines, and a tunnel barrier of the transistor is closer to the second part than to the feeding lines. The impedance matching element is closer to the feeding lines than to the second part.

Abstract: An electronic device includes a substrate, a transistor, and a ring resonator. The transistor is over the substrate. The ring resonator is over the substrate and overlaps with the transistor. The ring resonator includes a conductive loop and an impedance matching element. The conductive loop includes a loop portion having two first parts and a second part and two feeding lines. Each of the first parts of the loop portion is between the second part of the loop portion and one of the feeding lines, and a tunnel barrier of the transistor is closer to the second part than to the feeding lines. The impedance matching element is closer to the feeding lines than to the second part.

Abstract: An electronic device includes a substrate, a transistor, and a ring resonator. The transistor is over the substrate. The ring resonator is over the substrate and includes a conductive loop and an impedance matching element. The conductive loop overlaps with the transistor. The impedance matching element is on the conductive loop and electrically isolated from the transistor.

Abstract: An electronic device includes a substrate, a transistor, and a ring resonator. The transistor is over the substrate. The transistor is configured to generate a quantum dot. The ring resonator is over the substrate and includes a conductive loop and an impedance matching element. The conductive loop overlaps with the transistor. The impedance matching element is on the conductive loop and is configured to determine a resonance frequency of the ring resonator.

Abstract: An aerial survey method includes controlling a photographing device of an aircraft to shoot an orthophoto, obtaining flight information corresponding to the orthophoto, determining a flight altitude, a flight radius, and a circumnavigation center of the aircraft in oblique shooting according to the flight information, and controlling flight of the aircraft and an orientation of the photographing device according to the flight altitude, the flight radius, and the circumnavigation center to shoot an oblique photo.

Abstract: A flight route generation method includes obtaining an initial route, determining a plurality of sampling points from the initial route, and, for each sampling point of the plurality of sampling points, determining a buffer area of the sampling point and determining an expansion height of the sampling point according to heights of a plurality of points in the buffer area of the sampling point. The method further includes generating a flight route according to expansion heights and coordinate positions of the plurality of sampling points.

Abstract: An electronic device includes a substrate, a transistor, and a ring resonator. The transistor is over the substrate. The transistor is configured to generate a quantum dot. The ring resonator is over the substrate and includes a conductive loop and an impedance matching element. The conductive loop overlaps with the transistor. The impedance matching element is on the conductive loop and is configured to determine a resonance frequency of the ring resonator.

Abstract: A water stoppage structure utilized in a water purifier filter core, comprising a filter core main body, provided with a water input port, a first water output port, and a second water output port; a filter core, disposed in the filter core main body; a seat body, disposed at one end of the filter core main body, matching and working in cooperation with the water input port, the first water output port, and the second water output port of the filter core main body; a first check valve, disposed at the water import port, and on a water channel leading to the filter core main body, for allowing water to pass only through the filter core main body; a first water passage switch valve, disposed on the second water output port; and a second water passage switch valve, disposed on the first water output port.

Abstract: A water stoppage structure utilized in a water purifier filter core, comprising a filter core main body, provided with a water input port, a first water output port, and a second water output port; a filter core, disposed in the filter core main body; a seat body, disposed at one end of the filter core main body, matching and working in cooperation with the water input port, the first water output port, and the second water output port of the filter core main body; a first check valve, disposed at the water import port, and on a water channel leading to the filter core main body, for allowing water to pass only through the filter core main body; a first water passage switch valve, disposed on the second water output port; and a second water passage switch valve, disposed on the first water output port.

Abstract: An interface mounting device includes a circuit board with a connector and a bracket configured to receive an interface device and including a hook. The circuit board defines an installation opening and a cutout extending from an edge of the installation opening. The bracket is received in the installation opening. The hook is engaged with the circuit board through the cutout. The bracket defines a guiding slot aligned with the connector. The guiding slot is configured for a coupling portion of the interface device to pass through and coupling to the connector. A printed circuit board assembly with the interface mounting device is also provided.

Abstract: Router includes an enclosure, a circuit board located in the enclosure, a first expansion module, and a second expansion module. The first expansion module and the second expansion module are selectively coupled to the circuit board. When the first expansion module is coupled to the circuit board, the router is used to build a local area network or a wireless network. When the second expansion module is coupled to the circuit board, the router is used to connect a plurality of electronic devices.

Abstract: An interface mounting device includes a circuit board with a connector and a bracket configured to receive an interface device and including a hook. The circuit board defines an installation opening and a cutout extending from an edge of the installation opening. The bracket is received in the installation opening. The hook is engaged with the circuit board through the cutout. The bracket defines a guiding slot aligned with the connector. The guiding slot is configured for a coupling portion of the interface device to pass through and coupling to the connector. A printed circuit board assembly with the interface mounting device is also provided.

Abstract: An electronic whiteboard able to use any shell and any touchscreen includes a shell and a touch-screen. The touch-screen includes a cable. The shell includes a side plate and a bottom plate. The bottom plate is substantially perpendicular to the side plate. The side plate defines a receiving groove. The touch-screen is engaged with the bottom plate. The cable is received in the receiving groove. A shell of an electronic device is also provided.

Abstract: Router includes an enclosure, a circuit board located in the enclosure, a first expansion module, and a second expansion module. The first expansion module and the second expansion module are selectively coupled to the circuit board. When the first expansion module is coupled to the circuit board, the router is used to build a local area network or a wireless network. When the second expansion module is coupled to the circuit board, the router is used to connect a plurality of electronic devices.

Abstract: A vending machine includes a rack, a number of storage containers, a controlling chip, and a number of locking modules. The number of storage containers is accommodated in the rack. Each of the locking modules is secured to one corresponding storage container and electrically connected to the controlling chip. In an initial state of the locking modules, the storage containers are secured to the rack. The controlling chip is configured to unlock one of the locking modules to allow the corresponding storage container to be pulled out of the rack.

Abstract: A heat exchanging system is disclosed. The heat exchanging system includes an evaporator configured for cooling an electronic device, a heater configured for heating an electronic device, and a fan located between the evaporator and the heater. When the evaporator is operated to cool air, the heater is stopped, and the cooled air flows in the electronic device under an action of the fan to cool the electronic device. When the heater is operated to heat air, the evaporator is stopped, and the heated air flows in the electronic device under the action of the fan to heat the electronic device.

Abstract: An analyzing system includes a retrieving module, a filtering module, an extracting module, a display module, and a storing module. The retrieving module is used to retrieve a data package. The filtering module is used to filter a power data parameter from the data package. The extracting module is used to extract a power data parameter value from the power data parameter. The display module is used to display the power data parameter value. The storing module is used to store the power data parameter value. The disclosure further offers an analyzing method.

Abstract: An enclosure includes a chassis and a bracket. The chassis comprises a rear panel with a latch hole. The bracket comprises a first sidewall. A resilient piece and a sustaining piece are located on the first sidewall. The resilient piece is elastically deformable as the bracket is rotated relative to the chassis, from a first position to a second position. When the bracket is in the first position, the resilient piece is engaged in the latch hole, and the sustaining piece is located between the first sidewall and the rear panel; when the bracket is in the second position, the resilient piece is disengaged from the latch hole, and the sustaining piece is engaged with the rear panel.

Abstract: A fan mounting assembly includes a mounting tray and a fan. The mounting tray includes a base plate and at least one mating block protruding from the base plate. The fan includes a housing and a blade accommodated in the housing. The blade is configured to blow air from a first side of the fan to a second side of the fan. The fan having a mating surface located at the second side and mated with the at least one mating block.

Abstract: A connector assembly includes a plug device and a socket device. The plug device includes a holding portion. The holding portion includes a top wall, a bottom wall opposite to the top wall, and an middle portion located between the top wall and the bottom wall. An inner surface of the top wall facing the middle portion defines a stopping hole. The socket device includes a main body and a resilient piece. The main body includes a top panel and a bottom panel opposite to the top panel. The resilient piece is located on the top panel. A latch portion is located on the resilient piece. The resilient piece is elastically deformable to engage the latch portion in the stopping hole. The main body is located between the top wall and the bottom wall. The middle portion is located on the top panel and the bottom panel.