Abstract: A bracket bonding guide, insertion tool and method to place orthodontic brackets to predetermined positions and orientations. Indirect bonding trays typically are made to fit specific brackets of specific shapes and parameters. Design software has to include bracket CAD files in order to work for specific brands. This invention presented a bonding guide with guiding features and insertion tools with alignment mechanism and guiding features that ensure the brackets will be placed onto right positions regardless the actual shape and dimensions of the brackets.

Abstract: This application provides a reference signal transmission method, a terminal device, and an access network device. By receiving first indication information from the access network device, the terminal device can determine, based on the first indication information, whether N1 resource blocks that are in a rate matching pattern group and that have an intersection with a time-frequency resource for transmitting a downlink data channel can be used to transmit the downlink data channel, and further determine a position of a reference signal of downlink data channel, to implement reference signal transmission.

Abstract: A guided handpiece, system, and method to perform image guided surgery for dental implants. Conventionally an image guided surgery system needs a surgical guide, a handpiece, a set of guided drills and drill adaptors. Extended drills must be specifically designed and made for implant brands and parameters. Adaptors are required to accommodate drills of different diameters. The process is much more complex than freehand surgery while surgical guides are not used. This invention introduces a guided handpiece, corresponding system, and method, which overcome the problems of prior art and make it possible to perform guided surgery with regular drilling tools.

Abstract: Embodiments of the disclosure provide a method and device for positioning a communication device. According to embodiments of the present disclosure, the communication device may determine, without phase information of the signals, a direction of other communication device based on an association between strength levels of signals received from the other communication device and angles at which the signals are received for better accuracy. According to embodiments of the present disclosure, the communication device may determine the direction of the other communication device without phase information of the received signals based on MUSIC algorithm. According to the embodiments of the present disclosure, the method may also be implemented in a multipath scenario.

Abstract: A backlight structure is provided in embodiments of the disclosure, including: a base plate; a light guide plate, on a surface of the base plate at a side thereof and having a plurality of through-holes passing therethrough; a plurality of LED chips, on a surface of the base plate at the same side as the light guide plate, each of the plurality of LED chips being located in one-to-one correspondence within one of the plurality of through-holes of the light guide plate; a fluorescent powder filler filling the plurality of through-holes; a plurality of reflecting elements, on a first surface of the light guide plate facing away from the base plate, respectively, and covering a side of the plurality of through-holes away from which open outwards at the base first surface of the light guide plate, respectively; and a plurality of light extracting structures, on the first surface of the light guide plate, respectively, and configured to guide light to exit therefrom.

Abstract: A common CORESET determining method, an apparatus and a non-transitory computer-readable storage medium are provided. The method includes: receiving configuration information, wherein the configuration information indicates where a physical resource block occupied by a first common control resource set is located in a first downlink bandwidth part; determining a frequency domain resource of the first common control resource set based on a frequency domain resource of the first downlink bandwidth part and the physical resource block occupied by the first common control resource set within the first downlink bandwidth part; and monitoring a physical downlink control channel in the first common control resource set before the first downlink bandwidth part configured by a SIB1 takes effect to obtain scheduling control information. According to this application, complexity of determining a frequency domain location of the first control resource set can be reduced.

Abstract: A regeneration method for a liquefied gas thiol-removing alkaline solution comprising the following steps: performing an oxygenation reaction with respect to a liquefied gas thiol-removing alkaline solution and, at the same time, utilizing a high air-liquid condition to extract a disulfide and a polysulfide into a gas phase, thus completing the separation of the disulfide and the polysulfide from the alkaline solution, and implementing the regeneration of the liquefied gas thiol-removing alkaline solution.

Abstract: A display device is provided. The display device includes a display screen and an optical film structure arranged on a light exiting side of the display screen. The optical film structure includes a substrate layer and a first micro-lens array layer, where the substrate layer has a first surface and a second surface opposite to each other; the first micro-lens array layer is provided on at least one of the first surface and the second surface, and includes multiple micro-lenses arranged in sequence, each of the multiple micro-lenses has a size smaller than that of a sub-pixel, and edges of adjacent micro-lenses abut on each other.

Abstract: A test adapter for establishing a test connection with a circuit board is provided. The circuit board includes an inter-board connector or a planar contact in close contact with the inter-board connector. The test adapter includes a metal housing having a contact surface in contact with a flat surface of the circuit board, a connection end opposite to the contact surface, and a first cavity having a first opening at the center of the contact surface. The test adapter further comprises a first outer conductor and a first inner conductor arranged in the first cavity, and an insulating medium arranged between the first outer conductor and the first inner conductor.

Abstract: This disclosure provides a battery accommodating device for a vehicle. The battery accommodating device comprises a tray, a cover, a support connecting the tray and the cover, at least one first fastener, and a plug disposed at the lower surface of the tray. The tray has a cavity for accommodating a battery assembly. The cover is disposed above the tray and used for sealing the cavity. The first fastener connects, below the cover, the support to the tray. The plug is configured to be engaged with a base on a vehicle component to connect a circuit of the battery assembly. The present disclosure also provides a battery system and a vehicle comprising a battery accommodating device.

Abstract: In accordance with some embodiments, there is provided an apparatus. The apparatus includes a conductive loop; a first conductive member electromagnetically coupled to the conductive loop and galvanically coupled to a radio frequency circuit; a second conductive member arranged across and electromagnetically coupled to the conductive loop; and a third conductive member arranged across and electromagnetically coupled to the conductive loop, the third conductive member being spaced apart from the second conductive member and electromagnetically coupled to the first conductive member.

Abstract: An array substrate includes a display region and a wiring region. The wiring region includes a plurality of sets of signal line leads and a plurality of wiring regions, and a same set of signal line leads extends to a same bonding region disposed in the wiring region. The wiring region further includes at least one auxiliary wiring structure. Each auxiliary wiring structure is disposed between adjacent two sets of signal line leads and includes a peripheral closed wiring loop. Each peripheral closed wiring loop includes a plurality of corner portion, and a shape of at least one corner portion proximate to the display region is a curve.

Abstract: The present disclosure relates to channel state information transmission methods and apparatus. One example method includes receiving first higher layer signaling sent by a network device, where the first higher layer signaling is used to indicate a first physical uplink control channel, and the first physical uplink control channel is a channel used to periodically report channel state information (CSI), receiving downlink control information sent by the network device, where the downlink control information is used to schedule a physical downlink shared channel, and sending the CSI by using the first physical uplink control channel and a second physical uplink control channel, or sending the CSI by using a second physical uplink control channel.

Abstract: A peep-proof device, a display device and a method for driving the display device are provided. The peep-proof device includes at least one light beam adjustment layer. The light beam adjustment layer includes: a transparent base layer and a plurality of grooves formed in a surface of the transparent base layer; and a liquid crystal layer arranged within the plurality of grooves. A refractive index of the transparent base layer is same as a refractive index of the liquid crystal layer to ordinary light beam.

Abstract: A display panel, a display method thereof, and a display device are provided, which are related to the field of display technology and a reflective e-book with high refresh rate is provided. The display panel includes: a first substrate and a second substrate disposed opposite to each other; a liquid crystal (LC) layer located between the first substrate and the second substrate; a polarizer disposed at a side of the LC layer far away from the second substrate; and an alignment layer disposed at both sides of the LC layer, wherein the second substrate is provided with a reflective layer, the reflective layer is configured to allow incident light transmitting through the first substrate to be reflected at a predetermined color on the reflective layer.

Abstract: This application provides a control channel detection method, apparatus, and device. The method includes: A terminal device determines that resources of at least two candidate control channels overlap, where any two of the at least two candidate control channels are located in different search spaces; and the terminal device detects only at least one first candidate control channel in the at least two candidate control channels. This improves control channel detection reliability.

Abstract: Systems and methods of image reconstruction are disclosed. First image scan data corresponding to a first imaging modality is obtained. One or more deep learning processes are applied to the first image scan data, where the one or more deep learning processes are trained based on first image scan data corresponding to a second imaging modality, to generate second image scan data corresponding to the first imaging modality. An image is then reconstructed based on the first image scan data and the second image scan data corresponding to the first imaging modality.

Abstract: Provided are a fire extinguishing method and a fire extinguishing system for a lithium ion battery, an electronic device and a storage medium. The method includes: real-timely collecting environmental parameter values in a battery box where a lithium ion batteries are placed; determining a safety level of the lithium ion battery according to the environmental parameter values and a preset threshold of each environmental parameter, and sending a fire extinguishing command to a fire extinguishing device according to a preset fire extinguishing control program, where the fire extinguishing control program is a fire extinguishing strategy corresponding to the safety level of the lithium ion battery; and enabling the fire extinguishing device to execute a fire extinguishing operation according to the fire extinguishing command.

Abstract: Embodiments of the present disclosure relate to a method, a device and a computer readable medium for determining a location of a communication device. According to the embodiments of the present disclosure, a network device determines a location of a terminal device relative to a network device using signals received from the terminal device via a reference antenna and a switchable antenna array, thereby improving precision of determining the location of the terminal device.

Abstract: A network node for performing control channel monitoring according to a first mode or a second mode, in particular for monitoring control channel elements (CCEs) and/or blind decodes (BDs), the network node being configured to obtain configuration information indicating the first mode and/or the second mode perform control channel monitoring based on the obtained configuration information.