Abstract: A system for wireless electrical charging is disclosed. The system may comprise a charging station and one or more electric devices. The charging station may comprise an input node configured to receive a power input, and a transmitter resonant circuit including a transmitter coupling coil configured to oscillate at a resonant frequency. The one or more electric devices may comprise a receiver resonant circuit including a receiver coupling coil wirelessly coupled to the transmitter coupling coil, and a DC voltage charger configured to charge one or more batteries in the electric device.

Abstract: A projection system includes a long-focus lens that is able to generate an image independently with a focal length between 70-300 mm, a short-focus lens that is able to generate an image independently with a focal length between 3-8 mm and shares an optical axis with the long-focus lens and at least one reflector to reflect the optical axis for direction change. When the long-focus lens generates an image, the short-focus lens then generates the image to a pre-determined position thereby.

Abstract: The present application provides a navigation method, a navigation system, a movement control system and a mobile robot. The navigation method comprises the following steps: identifying a target object corresponding to a preset object type label from images captured by the image acquisition device; determining the relative position between the target and the mobile robot based on at least one image which contains the identified target and is captured by the image acquisition device; and generating a map marked with the object type label through marking corresponding preset object type label on a preset map based on the relative position, wherein the map is used for navigating the mobile robot. In the present application, mobile robot can move to the destination position after the destination position contained in the user instruction being identified based on the object type labels on the map, so as to improve human-computer interactivity.

Abstract: As applied to the field of touch control technology, a capacitance sensing circuit for sensing a detection capacitor of a detecting circuit, includes: a capacitance judging circuit coupled to the detecting circuit for judging the capacitance of the detection capacitor according to the output signal; and an input signal generator coupled to the detecting circuit for generating the input signal according to noise. The input signal generator includes: a phase detection unit for receiving the noise and detecting a first phase of the noise; a phase calculation unit coupled to the phase detection unit for receiving the noise and the first phase and calculating an optimum phase according to the noise and the first phase; and a first waveform generator coupled to the phase calculation unit for generating the input signal according to the optimum phase.

Abstract: A prism module includes a first prism including a first surface, a second surface and a third surface, a roof prism including a roof surface and a fourth surface, a second prism including a fifth surface, a sixth surface and a seventh surface, and a third prism including a light access surface, a first reflecting surface and a second reflecting surface. A light source is disposed above the second prism and adjacent to the first and the roof prisms. A light beam emitted by the light source enters and is reflected by the third prism, enters the second prism through the seventh surface, passes through the sixth surface, enters the first prism through the third surface, and is reflected by the second surface to leave the prism module. The light beam leaving the prism module is parallel to a baseline passing through the first, the second and the fourth surfaces.

Abstract: The present application provides a pixel driving circuit, which comprises a driving transistor, a first switch, a second switch, a third switch, a fourth switch, a first capacitor, a second capacitor, an initial-voltage-signal terminal, a data-voltage-signal terminal, and a driving-voltage-signal terminal. The driving transistor comprises a gate terminal, a source terminal, and a drain terminal. The first switch is disposed between the gate terminal and the drain terminal. The gate terminal is connected with the initial-voltage-signal terminal via the second switch. The source terminal is connected with the driving-voltage-signal terminal and the data-voltage-signal terminal via the third switch and the fourth switch, respectively. The first capacitor is connected between the gate terminal and a ground terminal. The second capacitor is connected between the gate terminal and the source terminal. The present application further provides a pixel driving method and a display panel.

Abstract: The present invention provides a fingerprint identification system includes a charge pump circuit configured to generate a supply voltage, wherein the charge pump circuit receives a first clock signal; a pixel circuit, forming a touch capacitance, determining whether the pixel circuit is corresponding to a finger valley or a finger ridge according to the touch capacitance, wherein the pixel circuit receives a second clock signal and the supply voltage; and a clock generating circuit, configured to generate the first clock signal and the second clock signal; wherein the first clock signal is related to the second clock signal.

Abstract: The present disclosure provides an image sensor circuit, including: a photo pixel array, including a plurality of photo pixel series, where the photo pixel array output a plurality of pixel values; a reference pixel array, including at least one reference pixel series, where a reference pixel series in the at least one reference pixel series includes a plurality of reference pixel circuits, a first end of the reference pixel series receives a clock signal, and the reference pixel array outputs a plurality of phase differences between a plurality of received clock signals received by the plurality of reference pixel circuits and the clock signal; and an image depth determining unit, coupled to the photo pixel array and the reference pixel array, and configured to determine an image depth according to the plurality of pixel values and the plurality of phase differences.

Abstract: An iron based and absorbable implanted prefabricated tube (1) for medical device and preparation method therefor, and a medical device prepared by the prefabricated tube and preparation method therefor. The average nitrogen content of nitrogen in the prefabricated tube is from 0.04-0.4 wt. % or 0.02-0.04 wt. %. The prefabricated tube can be cut along the length direction directly by laser or by machining to obtain multiple absorbable implanted medical devices.

Abstract: This application discloses an information interaction method and apparatus, a storage medium, and an electronic apparatus. The method includes obtaining a first target operation instruction in a VR scenario; selecting and displaying a first virtual operation panel corresponding to the first target operation instruction from a plurality of virtual operation panels in the VR scenario, wherein the plurality of virtual operation panels are displayed mutually independently, and are respectively configured to display different interactive objects. The method may further include obtaining an interactive operation instruction generated by an interactive operation performed by an interactive device on a target interactive object displayed in the first virtual operation panel, the interactive device being associated with the VR scenario; and in response executing a target event corresponding to the target interactive object in the VR scenario.

Abstract: A method for manufacturing a color resist is disclosed. According to the method, a mask is moved so that an alignment mark is aligned with marks of a black matrix layer respectively. Each color resist and a corresponding color block are formed on the black matrix layer by the mask, and a position of each color resist is checked according to a positional relationship between a corresponding color block and hollowed-out region. A distance between a first mark and a second mark and a distance between a first mark and a third mark are configured in such manner that the color blocks do not overlap with one another. Therefore, the color blocks do not overlap with one another while a size thereof does not change.

Abstract: The technical field of liquid crystal display is related to. A pixel unit is provided. The pixel unit includes a storage capacitor that is arranged on an array substrate. The storage capacitor includes a first electrode arranged on a first metal layer and a second electrode arranged on a second metal layer. An insulation layer is arranged between the first electrode and the second electrode. The second electrode and the first electrode overlap with each other to form a first overlapping region, an area of which does not change if a deviation of the second electrode relative to the first electrode is within a preset distance. Storage capacitor difference among different pixel units generated by alignment accuracy difference thereof can be eliminated, and watermark which would be generated otherwise can be eliminated as well. An array substrate is further provided, which includes the storage capacitor of the aforesaid pixel unit. A quality of a product can be improved.

Abstract: A memory management method is provided. The method includes selecting a target physical programming unit; using a first read voltage corresponding to a first type physical page of the target physical programming unit to read a plurality of target memory cells of the target physical programming unit, so as to calculate a first bit value ratio; if the first bit value ratio is not smaller than a first preset threshold, using a second read voltage corresponding to the first type physical page of the target physical programming unit to read the plurality of target memory cells of the target physical programming unit, so as to calculate a second bit value ratio; and determining whether the first type physical page of the target physical programming unit is empty by comparing the first bit value ratio and the second bit value ratio.

Abstract: An electronic cigarette and a method of controlling the electronic cigarette are disclosed, the electronic cigarette includes a controller; and at least one air pressure sensor coupled with the controller; the at least one air pressure sensor is configured for detecting a first air pressure in an air flow path of the electronic cigarette and a second air pressure of an ambient atmosphere where the electronic cigarette is located, and sending the first air pressure and the second air pressure to the controller; the controller is configured for receiving the second air pressure and the first air pressure and controlling an atomizer to be on or off based on a pressure differential between the first air pressure and the second air pressure.