Abstract: A device for calibrating a laser level includes a base platform, a target, and an image recognition device. The base platform is configured to support the laser level that is to be mounted on the base platform at a first position. The target is arranged at a second position of the base platform and configured to receive a laser. The image recognition device is configured to obtain images of lasers projected on the target before and after the laser level rotates a first angle, determine, based on an image recognition result of the images, positions of the lasers emitted by the laser level to determine a deviation distance, and determine whether the laser level needs to be calibrated based on the deviation distance. The deviation distance is determined by position data of the first position and the second position, and the first angle.

Abstract: The present disclosure relates to a radiation assembly, a waveguide antenna sub-arrays, and a waveguide array antenna. The radiation assembly for the waveguide array antenna comprises: a first radiation layer having a plurality of first radiation windows, each of the plurality of first radiation windows has a metal grid that divides the corresponding first radiation window into two radiation holes; and a second radiation layer having a plurality of second radiation windows, the plurality of second radiation windows has a one-to-one correspondence with the plurality of first radiation windows, and the plurality of second radiation windows of the second radiation layer do not have a metal grid. The thickness of the second radiation layer is greater than the thickness of the first radiation layer, and the first radiation layer and the second radiation layer are manufactured independently of each other.

Abstract: A content sharing method applied to a computing device includes: obtaining real-time image information of a target content for a content sharing event, obtaining user information of a plurality of user devices participating the content sharing event, presenting a virtual content sharing scene that includes the image information of the target content and the interaction information, obtaining authorized supplemental content corresponding to a target user type of the target user device, and presenting at least part of the authorized supplemental content in the content sharing scene. The user information of the plurality of user devices includes a plurality of user types of the plurality of user devices and/or interaction information of the plurality of user devices. The authorized supplemental content corresponding to a first user type is different from the authorized supplemental content corresponding to a second user type different from the first user type.

Abstract: The present disclosure relates to a ranging method and a ranging system, the ranging method includes using a first laser emitting portion of a laser emitting device to emit a vertical laser beam rotating in a vertical plane at a first rotation speed; calculating a time difference between the vertical laser beam passing through a first optical detection component and a second optical detection component by using the first optical detection component and the second optical detection component on a laser receiving device at least partially on the same vertical plane, wherein a distance between the two optical detection components is a first spacing; and calculating a first distance between the laser emitting device and the laser receiving device based on the first rotation speed, the first spacing, and the time difference.

Abstract: The present disclosure discloses a method for using a laser level to track a detector and a laser tracking system. The method is applied to the laser level, which needs to use a fan-sweep mode or a dot-sweep mode. The method includes emitting a laser beam by the laser level to perform circular scanning, during the circular scanning, when the detector detects the laser beam, sending a detection signal to the laser level by the detector, when the laser level receives the detection signal, using the laser beam emitted by the laser level to perform circular scanning in an opposite direction, and when a frequency of the detection signal received by the laser level is greater than a first threshold, determining that the laser level tracks the detector.

Abstract: The present invention relates to a laser positioning apparatus and a laser positioning method, the laser positioning apparatus comprises a laser emitting module configured to generate a first laser; a laser direction adjusting module configured to adjust the first laser to a second laser in a first direction and a third laser in a second direction perpendicular to the first direction; a distance determining module configured to receive the laser reflected or diffused back by the second laser on a surface of a first object to be measured to determine a distance from the laser positioning apparatus to the first object to be measured, and/or receive the laser reflected or diffused back by the third laser on a surface of a second object to be measured to determine a distance from the laser positioning apparatus to the second object to be measured.

Abstract: A method for calibrating a laser level. includes arranging the laser level and a detector on a same horizontal plane to cause the laser level to be at a detected position, setting the laser level to be in a dot-sweep mode or a fan-sweep mode, when the detector detects the first laser beam for calibration emitted by the laser level, generating first position information by the detector, when the laser level rotates to a first rotation angle, rotating a laser projection direction of the laser level relative to the laser level along the opposite direction by a first rotation angle to cause the detector to detect the second laser beam for calibration emitted by the laser level to generate second position information, and determining whether the laser level needs to be calibrated based on the first position information and the second position information.

Abstract: A door access control system with a temperature detection function includes an infrared body temperature monitor device configured to detect a body temperature of a monitored object; a body temperature comparison device configured to compare a detected body temperature of the monitored object with a body temperature threshold; and a warning device configured to issue a warning message in response to the detected body temperature of the monitored object being higher than the body temperature threshold.

Abstract: A method for space design includes: receiving first information of a physical space by a terminal device, the first information including size measurement information of the physical space; acquiring second information of a target object, the second information including size measurement information of the target object; performing a visual presentation of the first information of the physical space and the second information of the target object on a display interface of the terminal device; calculating construction information of the target object being placed in the physical space by the terminal device based on a layout of the target object on the visual presentation according to the first information of the physical space and the second information of the target object; outputting the calculated construction information through a communication interface of the terminal device to a ranging and positioning apparatus; and guiding a user to position the target object in the physical space using a positioning

Abstract: The present invention relates to a laser positioning apparatus and a laser positioning method, the laser positioning apparatus comprises a laser emitting module configured to generate a first laser; a laser direction adjusting module configured to adjust the first laser to a second laser in a first direction when the laser direction adjusting module is located in a first position, and adjust the first laser to a third laser in a second direction perpendicular to the first direction when the laser direction adjusting module is located in a second position; a distance determining module configured to receive the laser reflected or diffused back by the second laser on a surface of a first object to be measured to determine a distance from the laser positioning apparatus to the first object to be measured, or receive the laser reflected or diffused back by the third laser on a surface of a second object to be measured to determine a distance from the laser positioning apparatus to the second object to be measured

Abstract: An optical detecting assembly includes: a photosensitive element configured to receive an optical signal and convert it into an electrical signal; and a light guide member comprising a first portion for receiving a first light beam from a rotating light source at a first time point and guiding the first light beam to the photosensitive element and a second portion for receiving a second light beam from the rotating light source at a second time point and guiding the second light beam to the photosensitive element. A distance between the optical detecting assembly and the rotating light source is calculated based on a distance between the first portion and the second portion, a time difference between the first time point and the second time point, and a rotating speed of the rotating light source.

Abstract: An interaction method implemented by a terminal apparatus includes: obtaining an interface underlayer of a space that has direction information and distance information; establishing a mapping relationship between an external device and an identification corresponding to the external device marked on the interface underlayer, the identification indicating a physical location of the external device; receiving, from the external device, property information of the external device; obtaining an image of a real scene in the space; determining that a target object is depicted in the image of the real scene; determining target presentation information of the target object according to the property information of the external device; and displaying the image of the real scene together with the target presentation information, the target presentation information being added to the image as an augmented reality (AR) mark at an image location corresponding to the target object.

Abstract: A content recording and sharing method is applied to a computing device. The method includes: obtaining a video in real time, the video capturing a physical scene for a time duration; generating supplemental contents synchronized with the video; receiving user information from a first user terminal device; determining first selected supplemental content according to the user information and a first selection rule, and sending the first selected supplemental content to the first user terminal device; determining second selected supplemental content according to a second selection rule; and sharing the video and the second selected supplemental content with one or more second user terminal devices.

Abstract: A ranging system includes a terminal device, a ranging apparatus, and an angle sensor disposed in the terminal device or in the ranging apparatus. The ranging apparatus includes a measuring wheel, a rotating shaft disposed on the measuring wheel, and an electronic counter connected to the rotating shaft and configured to obtain distance information, in real time, of a route which the measuring wheel has already traveled. The angle sensor is configured to obtain angle information in real time. The terminal device and the ranging apparatus are configured to transmit data between each other. The terminal device is configured to generate a traveling trajectory diagram of the measuring wheel, in real time, based on the distance information from the electronic counter and the angle information from the angle sensor, and perform optimization processing on the traveling trajectory to generate an optimized trajectory diagram.

Abstract: Disclosures of the present invention describe a monitoring device, consisting of a signal receiving unit, a detecting module, a main controller module, a display module, and a plurality of buttons, wherein the signal receiving unit is electrically connected to an electronic device through an electrical connector. Particularly, a user can operate the main controller module, by pressing or rotating one of the plurality buttons, to transmit at least one operation information to the display module, so as to show the operation information on the display module. Moreover, in the case of an operation parameter of at least one electronic element in the electronic device being detected to exceed a threshold value, the detecting module informs the main controller module to show at least one warning signal on the display module, such that the user is aware of noting the operation state of the electronic device.

Abstract: The present disclosure provides a method for measuring an angle and a distance. The method includes: at an initial position, after a laser emitting device aligns with a laser receiving device, recording a first angle and measuring a first distance between the laser emitting device and the laser receiving device; and moving the laser receiving device from the initial position to a first position, and after the laser emitting device realigns with the laser receiving device, recording a second angle and measuring a second distance between the laser emitting device and the laser receiving device. The method for measuring the angle and the distance creatively records the corresponding angle and distance at different positions, respectively, such that the position of the laser receiving device relative to the laser emitting device is accurately determined.

Abstract: The present disclosure relates to a detector assembly, a detector, and a laser ranging system. The detector assembly includes a first laser receiving unit configured to receive laser emitted by a first laser emitting module or a laser level, and a second laser receiving unit configured to be substantially perpendicular to the first laser receiving unit. The second laser receiving unit includes a first portion used for receiving laser emitted by a second laser emitting module of the laser level and a second portion used for receiving the laser emitted by the second laser emitting module of the laser level, where the first portion is separated from the second portion by a first distance.

Abstract: The present disclosure discloses an intelligent interactive interface, comprising: an interface underlayer drawn from trajectory formed by measurement; a plurality of identifications disposed on the interface underlayer, each of the identifications corresponds to an external device, information of the external device is uploaded in real time, displayed on the interface underlayer and can be stored on a server, and a mapping relationship is established between the information of the external device and the corresponding identification of respective external device; a terminal apparatus is connected to the external device and displays the interface underlayer, identifications and control and/or exchange information with the external device; wherein the information of the external device is displayed in real time on the terminal apparatus through the identifications, the identifications can be added or deleted in real time.

Abstract: The present invention relates to a method of positioning a target object in a target space by means of a ranging apparatus, the method comprises: acquiring a first size parameter of the target space on a first dimension; acquiring a second size parameter of the target object on the first dimension; and determining a first layout indication according to the first size parameter, the second size parameter and a first predetermined rule, the first layout indication containing information regarding a first target position of the target object on the first dimension of the target space. By means of the method in accordance with the invention, a desired positioning of the target object in the target space by means of a ranging apparatus may be implemented, such as being placed at the center or being placed at a one-third aliquot point, thus implementing the object placement and layout in the object space.

Abstract: The present invention provides a method for space design, comprising: acquiring first information of a scene to be spatially designed; acquiring second information of a target object that can be placed into the scene from a third party through a communication interface; performing a visual presentation of the first information and the second information; and calculating construction information based on a layout of the target object on the visual presentation performed by the user who performs the space design.