Abstract: Devices and techniques are generally described for three dimensional room modeling. In various examples, 3D mesh data representing a room may be received. Plane data comprising a plurality of planes may be received. Each plane of the plurality of planes may represent a planar surface detected in the room. In some cases, a first plurality of wall candidates for a 3D model of the room may be determined based at least in part on the plane data. A second plurality of wall candidates for the 3D model of the room may be determined by modifying the first plurality of wall candidates based on a comparison of the first plurality of wall candidates to the 3D mesh data. The 3D model of the room may be generated based at least in part on the second plurality of wall candidates.

Abstract: A power supply system with dynamic current sharing includes a current-sharing bus and a plurality of power supply units connected to each other through the current-sharing bus. The current-sharing bus provides a first current signal. Each power supply unit includes a local current bus for providing a second current signal. The active current-sharing unit compares the first current signal with the second current signal to generate a compensation voltage. The current-averaging unit compares a difference value between an average value of the first current signal and an average value of the second current signal to generate an average voltage. The droop current unit receives the second current signal to generate a droop compensation voltage. The integration calculation unit makes output currents of the power supply units be approximately equal according to the compensation voltage, the average voltage, and the droop compensation voltage.

Abstract: An electronic package is provided, in which a first electronic element and a second electronic element stacked on each other are embedded in a cladding layer, a circuit structure electrically connected to the second electronic element is formed on the cladding layer, and a passive element and a package module are disposed on the circuit structure, so as to shorten the transmission distance of electrical signals between the package module and the second electronic element.

Abstract: A backlight control circuit for a surface light emitting device is provided. The backlight control circuit includes a driving circuit. The driving circuit is configured to generate a plurality of driving currents to drive the surface light emitting device such that a plurality of backlight blocks of the surface light emitting device generate a plurality of brightness values. The surface light emitting device is divided into a first backlight area and a second backlight area. The second backlight area is closer to an edge of the surface light emitting device than the first backlight area. A first driving current of the plurality of driving currents is utilized for driving the light source of the first backlight area. A second driving current of the plurality of driving currents is utilized for driving the light source of the second backlight area. The second driving current is greater than the first driving current.

Abstract: An electronic package is provided, in which a first electronic module and a second electronic module are stacked via a plurality of first conductive structures and a plurality of second conductive structures, and the amount of solder of the first conductive structures is greater than the amount of solder of the second conductive structures, such that the electronic package can be configured with the first conductive structures and the second conductive structures according to the degree of warpage of the electronic package, so as to effectively disperse the stress to avoid the problem of warpage.

Abstract: A method for making iridium oxide nanoparticles includes dissolving an iridium salt to obtain a salt-containing solution, mixing a complexing agent with the salt-containing solution to obtain a blend solution, and adding an oxidating agent to the blend solution to obtain a product mixture. A molar ratio of a complexing compound of the complexing agent to the iridium salt is controlled in a predetermined range so as to permit the product mixture to include iridium oxide nanoparticles.

Abstract: An aerial vehicle including a body, a first ranging device, a second ranging device and a controller is provided. The first ranging device is disposed on the body and is configured to detect a first distance between the first ranging device and the reflector. The second ranging device is disposed on the body and is configured to detect a second distance between the second ranging device and the reflector. The controller is configured to obtain an included angle between a direction of the body and the reflector according to the first distance and the second distance.

Abstract: A method for fabricating a semiconductor device includes the steps of: forming a first inter-metal dielectric (IMD) layer on a substrate; forming a first metal interconnection and a second metal interconnection in the first IMD layer; forming a channel layer on the first metal interconnection and the second metal interconnection; forming a magnetic tunneling junction (MTJ) stack on the channel layer; and removing the MTJ stack to form a MTJ.

Abstract: A semiconductor device structure is provided. The semiconductor device structure includes a first diffusion barrier layer made of a dielectric material including a metal element, nitrogen, and oxygen and a first protection layer made of a dielectric material including silicon and oxygen and in direct contact with the top surface of the first diffusion barrier layer. The semiconductor device structure also includes a first thickening layer made of a dielectric material including the metal element and oxygen and in direct contact with the top surface of the first protection layer. A maximum metal content in the first thickening layer is greater than that in the first diffusion barrier layer. The semiconductor device structure further includes a conductive feature surrounded by and in direct contact with the first diffusion barrier layer, the first protection layer, and the first thickening layer.

Abstract: A semiconductor device structure is provided. The semiconductor device structure includes a semiconductor substrate and a gate disposed on the semiconductor substrate. The semiconductor device structure also includes a source doped region and a drain doped region on two opposite sides of the gate. The semiconductor device structure further includes a source protective circuit and a drain protective circuit. From a side perspective view, a first drain conductive element of the source protective circuit partially overlaps a first source conductive element of the drain protective circuit.

Abstract: An energy storage device and a temperature control method thereof are provided. When a temperature of a battery is lower than a preset temperature and an alternating current-direct current conversion circuit receives an alternating current input voltage, an inductance-capacitance resonance circuit and a direct current-direct current conversion circuit are controlled to use electrical energy provided by the alternating current-direct current conversion circuit to generate a resonant current to heat the battery. When the temperature of the battery is lower than the preset temperature and the alternating current-direct current conversion circuit does not receive the alternating current input voltage, the inductance-capacitance resonance circuit and the direct current-direct current conversion circuit are controlled to use electrical energy provided by the battery to generate a resonant current to heat the battery.

Abstract: An electronic device is provided. The electronic device includes a light-emitting element, a cover plate and a light-shielding layer. The cover plate is disposed on the light-emitting element. The light-shielding layer is disposed on a side of the cover plate adjacent to the light-emitting element. The light-shielding layer has an icon area, and the light-shielding layer has a plurality of openings in the icon area. In addition, the plurality of openings have an aperture ratio in the icon area, and the aperture ratio is greater than 0% and less than or equal to 20%.

Abstract: A UAV including a first barometer and a processing unit is provided. The first barometer provides a first air pressure value. The processing unit is coupled to the first barometer for receiving the first air pressure value from the first barometer, performing timing-synchronization on the first air pressure value provided by the first barometer and an external reference air pressure value provided by an external reference barometer to obtain a timing-synchronized first air pressure value and recalculating the timing-synchronized first air pressure value to generate a compensated air pressure value, wherein the processing unit performs data fusion calculation on the first air pressure value, the compensated air pressure value and a sensor data to obtain a target fused data and real-timely controls the altitude and the posture of the UAV according to the target fused data.

Abstract: A method and a system for vehicle head direction compensation are disclosed. The method includes the following. A relative position between each of a plurality of sensors disposed on a vehicle and a plurality of base stations is obtained through the sensors and a relative coordinate system is established by a processor to obtain a vehicle head direction of the vehicle in the relative coordinate system and a deviation angle between an X-axis of the relative coordinate system and a true north azimuth. An angle compensation is performed by the processor on the vehicle head direction of the vehicle in the relative coordinate system based on the deviation angle.

Abstract: An energy storage device and a method thereof for supplying power are provided. Control a power conversion circuit to lower an AC output voltage during a preset period to a preset voltage, control the power conversion circuit to change from outputting the preset voltage to outputting a surge voltage, so that the power conversion circuit enters a surge generation period, and determine whether to turn off the energy storage device according to whether an output terminal of the power conversion circuit generating a surge current during the surge generation period.

Abstract: An energy storage device and a method thereof are provided. The power transfer circuit transfers a DC voltage provided by a battery module into an AC output voltage to provide the AC output voltage to an output end of the power transfer circuit for providing power to a load. When the AC output voltage is at a default phase, the power transfer circuit is disabled in a default period, and whether the energy storage device may be shut down is determined according to a voltage difference of the AC output voltage sensed by a sensing circuit during the default period.

Abstract: A semiconductor device structure is provided. The semiconductor device structure includes a semiconductor substrate and a gate disposed on the semiconductor substrate. The semiconductor device structure also includes a source doped region and a drain doped region on two opposite sides of the gate. The semiconductor device structure further includes a source protective circuit and a drain protective circuit. From a side perspective view, a first drain conductive element of the source protective circuit partially overlaps a first source conductive element of the drain protective circuit.

Abstract: A semiconductor device structure is provided. The semiconductor device structure includes a semiconductor substrate and a gate disposed on the semiconductor substrate. The semiconductor device structure also includes a source doped region and a drain doped region on two opposite sides of the gate. The semiconductor device structure further includes a source protective circuit and a drain protective circuit. From a side perspective view, a first drain conductive element of the source protective circuit partially overlaps a first source conductive element of the drain protective circuit.

Abstract: A lens module of enhanced stability and strength when mounted to an image-capturing device includes a voice coil motor. The voice coil motor includes a casing and a first connection plate connected to the casing. The first connection plate defines at least one first mounting hole. An electronic device using the lens module is also provided.

Abstract: An energy storage system and a power supply method thereof are provided. First and second energy storage devices are connected in series between an AC power source and a load. When the AC power source is normal, the AC power source is used to charge the first energy storage device and provided to the second energy storage device for charging. When the AC power source is abnormal, an output of the first energy storage device is switched from the AC power source to a first energy storage power source, and the second energy storage device is disabled from using the first energy storage power source for charging. A power source provided by the first energy storage device or a second energy storage power source provided by the second energy storage circuit is output to the load according to a power supply state of the first energy storage device.