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公开(公告)号：US11831081B2
公开(公告)日：2023-11-28
申请号：US17859749
申请日：2022-07-07
发明人： David Xing , Lei Wang , Xiaolin Lv , Xin Shi
CPC分类号： H01Q21/064 , H01Q21/0031 , H01Q21/0087
摘要： 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.
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公开(公告)号：US11703357B2
公开(公告)日：2023-07-18
申请号：US18148731
申请日：2022-12-30
发明人： Weichen Wang , Xin Shi , David Xing
CPC分类号： G01C25/00 , G01C15/006
摘要： 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.
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公开(公告)号：US11243309B2
公开(公告)日：2022-02-08
申请号：US16656276
申请日：2019-10-17
发明人： Xin Shi , David Xing
摘要： 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.
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公开(公告)号：US11955771B2
公开(公告)日：2024-04-09
申请号：US18148758
申请日：2022-12-30
发明人： Chao Zhu , Xin Shi , David Xing
IPC分类号： H01S5/068 , H01S5/0683
CPC分类号： H01S5/06804 , H01S5/06808 , H01S5/06835
摘要： A control device for controlling a temperature of a laser device includes a pulse width modulation (PWM) signal generator, a temperature acquisition circuit, a voltage comparator, and a logic circuit. The a pulse width modulation (PWM) signal generator configured to generate a PWM signal; a temperature acquisition circuit configured to acquire a temperature of the laser device and convert the temperature into a measurement voltage; a voltage comparator configured to compare the acquired measurement voltage associated with the temperature of the laser device with a temperature threshold voltage and output a comparison result signal; and a logic circuit configured to generate a drive signal based on the PWM signal and the comparison result signal to drive the laser device.
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公开(公告)号：US11761764B2
公开(公告)日：2023-09-19
申请号：US18148765
申请日：2022-12-30
发明人： Weichen Wang , Xin Shi , David Xing
IPC分类号： G01C15/00
CPC分类号： G01C15/006
摘要： 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.
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公开(公告)号：US11604904B2
公开(公告)日：2023-03-14
申请号：US17037183
申请日：2020-09-29
发明人： Xin Shi , David Xing
IPC分类号： G06F30/13 , G06T19/20 , G06T19/00 , G01C3/02 , G06F111/18 , G01C15/00 , G06T7/11 , G06T7/62 , G06Q10/08 , G06Q10/087
摘要： 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 function of the ranging and positioning apparatus according to the construction information, the size measurement information of the physical space, and the size measurement information of the target object.
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公开(公告)号：US11069100B2
公开(公告)日：2021-07-20
申请号：US15547939
申请日：2016-01-08
发明人： Yufei Wei , Xin Shi , David Xing
IPC分类号： G06T11/20 , G05B19/418 , G05B23/02 , G01C15/00 , G06F3/048 , G01S17/86 , G01S17/89 , G06F3/14 , G06T11/60 , G01B3/12
摘要： 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. The present disclosure implements functional interactions such as controlling, monitoring an external device by a terminal apparatus. The present disclosure also implements various functions such as curve line measurement, dotting, identification description, synthesis of a measurement drawing and a real scene, remote real-time monitoring, etc.
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公开(公告)号：US20190286762A1
公开(公告)日：2019-09-19
申请号：US16109826
申请日：2018-08-23
发明人： Xin Shi , David Xing
IPC分类号： G06F17/50
摘要： 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. Further, the present invention also provides a system for space design, comprising: a first information acquisition module configured to acquire first information of a scene to be spatially designed; a second information acquisition module configured to acquire second information of a target object that can be placed into the scene from a third party through a communication interface; a visual presentation module configured to perform a visual presentation of the first information and the second information; and a computing module configured to calculate construction information based on the layout of the target object on the visual presentation performed by a user who performs the space design.
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公开(公告)号：US12111151B1
公开(公告)日：2024-10-08
申请号：US18534198
申请日：2023-12-08
摘要： A trajectory generation method includes: obtaining distance information which a ranging apparatus has traveled; obtaining, from a sensor system, first angle information and second angle information corresponding to the ranging apparatus when the ranging apparatus is traveling in a space; determining a plurality of target sample points for a trajectory diagram of the space, and generating the trajectory diagram by connecting the plurality of target sampling points. Determining the target sample points includes: using a candidate sample point as one of the plurality of target sample points; in response to a trajectory adjustment condition not being satisfied, determining coordinates of the candidate sample point based on the distance information and the first angle information; and in response to the trajectory adjustment condition being satisfied, adjusting the candidate sample point based on the distance information, the first angle information, and the second angle information.
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公开(公告)号：US11768072B2
公开(公告)日：2023-09-26
申请号：US16636480
申请日：2018-07-25
发明人： Xin Shi , David Xing
摘要： 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.
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