Patents by Inventor Xiaojun Liu

Xiaojun Liu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10458637
    Abstract: A high-intelligent LED street lamp includes a control box, a signal display box arranged on an upper portion of the control box, and a support rod arranged on an upper portion of the signal display box. An LED street lamp assembly, a solar panel assembly, and a wind power generation assembly are sequentially arranged on the support rod. A controller, a rectify and filter unit, a constant-current protection unit, a power supply, a data memory, a wireless communication transmission unit; an alerter, a sound device, and a voltage stabilizer are arranged inside the control box. The wireless communication transmission unit is configured to communicate with external mobile terminals and the alerter is configured to generate an alarm sound in case of an emergency.
    Type: Grant
    Filed: January 9, 2019
    Date of Patent: October 29, 2019
    Inventor: Xiaojun Liu
  • Patent number: 10452691
    Abstract: Methods and apparatuses for search are provided and related to the field of search technology. A method may include: performing term segmentation for grabbed documents to count a term frequency of each term, the term frequency of the term representing a number of the grabbed documents containing the term; generating a high frequency term inverted index and a low frequency term inverted index respectively, wherein the high frequency term inverted index contains terms having a term frequency higher than a predefined threshold, and the low frequency term inverted index contains terms having a term frequency not higher than the predefined threshold; and loading the high frequency term inverted index and the low frequency term inverted index respectively to different retrieval modules, the different retrieval modules respectively corresponding to mutually independent storage devices.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: October 22, 2019
    Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventor: Xiaojun Liu
  • Patent number: 10415200
    Abstract: A low-impact water conserving dam includes a dam body and reinforcing ribs arranged on a rear portion of the dam body. The reinforcing ribs comprise transverse reinforcing ribs and vertical reinforcing ribs interlaced with the transverse reinforcing ribs. A front portion of the dam body is an inclined surface and a rear end of the dam body is a platform surface. A planting bin is arranged on the platform surface of the dam body for planting vegetation. A plurality of water flow through holes are arranged in a matrix manner at a bottom of the planting bin. A water storage bin is arranged in an interior of the dam body. The water flow through holes are communicated with the water storage bin. A water drainage channel communicated with the water storage bin is formed in a middle upper portion of the inclined surface of the dam body.
    Type: Grant
    Filed: September 29, 2018
    Date of Patent: September 17, 2019
    Inventor: Xiaojun Liu
  • Publication number: 20190275083
    Abstract: The present disclosure provides modified immune cells (e.g., modified T cells) comprising a chimeric antigen receptor (CAR) having affinity for a prostate-specific membrane antigen (PSMA) (e.g., human PSMA). The present disclosure provides modified immune cells (e.g., modified T cells) comprising a CAR having affinity for PSMA and a dominant negative receptor and/or a switch receptor. The present disclosure provides modified immune cells (e.g., modified T cells) comprising a CAR having affinity for PSMA and a dominant negative receptor and/or a switch receptor, wherein the modified cell is capable of expressing and secreting a bispecific antibody.
    Type: Application
    Filed: March 5, 2019
    Publication date: September 12, 2019
    Inventors: Yangbing Zhao, Szu Hua Sharon Lin, Xiaojun Liu, Anne Chew
  • Patent number: 10404844
    Abstract: A mobile terminal unlock method for security protection of mobile phone is provided. The method includes: obtaining a trigger signal for unlock, and generating a first password according to the trigger signal; generating a corresponding unlock signal according to a preset correspondence between the unlock signal and the first password and with reference to the first password, and sending the corresponding unlock signal; obtaining an unlock password that is obtained by means of parsing by a user according to the unlock signal; matching the unlock password with the first password; determining whether the unlock password is consistent with the first password; and if a determining result is yes, unlocking a password lock; or if a determining result is no, obtaining a trigger signal for unlock again.
    Type: Grant
    Filed: February 20, 2019
    Date of Patent: September 3, 2019
    Inventors: Xiaojun Liu, Minsheng Wang
  • Patent number: 10384955
    Abstract: A sewage treatment system includes a main box and a can-type filter arranged on a side of the main box. A power source, a controller, a data memory, a temperature and humidity sensor, a wireless communication transmission unit, a BLUETOOTH transmission unit and an alertor are arranged inside the main box. The data memory, the temperature and humidity sensor, the wireless communication transmission unit, the BLUETOOTH transmission unit, and the alertor are electrically connected with the controller. The main box is externally connected with a conveying pipeline to convey the sewage into an interior of the main box. A primary filter, a secondary filter and a tertiary filter are sequentially arranged in an interior of the main box from top to bottom.
    Type: Grant
    Filed: September 7, 2018
    Date of Patent: August 20, 2019
    Inventor: Xiaojun Liu
  • Publication number: 20190248690
    Abstract: The present disclosure of a sewage treatment device includes a compression tank that is cylinderically shaped, a stirring structure communicated with the compression tank by a first intermediate pipe, and a detection box communicated with the stirring structure by a second intermediate pipe. A telescopic driving cylinder is arranged on an upper portion of the compression tank and a conveying pipe is connected to a top surface of the compression tank to deliver external sewage to an interior of the compression tank. A diameter of the conveying pipe ranges from 8-15 cm; A filter interlayer is arranged in an interior of the compression tank and the filter interlayer is annular. An end of a driving shaft of the telescopic drive cylinder is connected with a compression body. An outer periphery of the compression body is contacted with an inner wall of the filter interlayer.
    Type: Application
    Filed: January 9, 2019
    Publication date: August 15, 2019
    Inventor: Xiaojun LIU
  • Publication number: 20190247432
    Abstract: The present disclosure provides modified immune cell (e.g., modified T cell) comprising an exogenous T cell receptor (TCR) having specificity for NY-ESO-1. The present disclosure provides modified immune cells or precursors thereof (e.g., modified T cells) comprising an exogenous TCR and a switch receptor. Gene edited modified cells are also provided, such that the expression of one or more of an endogenous T-cell receptor gene (e.g., TRAC, TRBC) or an endogenous immune checkpoint gene (e.g. PD-1 or TIM-3) is downregulated.
    Type: Application
    Filed: February 27, 2019
    Publication date: August 15, 2019
    Inventors: Yangbing ZHAO, Xiaojun LIU
  • Publication number: 20190248675
    Abstract: A sewage treatment system includes a main box and a can-type filter arranged on a side of the main box. A power source, a controller, a data memory, a temperature and humidity sensor, a wireless communication transmission unit, a BLUETOOTH transmission unit and an alertor are arranged inside the main box. The data memory, the temperature and humidity sensor, the wireless communication transmission unit, the BLUETOOTH transmission unit, and the alertor are electrically connected with the controller. The main box is externally connected with a conveying pipeline to convey the sewage into an interior of the main box. A primary filter, a secondary filter and a tertiary filter are sequentially arranged in an interior of the main box from top to bottom.
    Type: Application
    Filed: September 7, 2018
    Publication date: August 15, 2019
    Inventor: Xiaojun Liu
  • Publication number: 20190249405
    Abstract: A sewage treatment device includes a stirring structure, a filter box, a tank filter, and a detection structure which are connected in sequence. Conveying pipelines are connected to an exterior of the stirring structure to convey sewage to an interior of the stirring structure. First water pumps are connected to the conveying pipelines to provide conveying power. An upper-layer stirrer assembly, a lower-layer stirrer assembly and a rotating shaft configured to install the upper-layer stirrer assembly and the lower-layer stirrer assembly are arranged in the interior of the stirring structure. A lifting driving cylinder drives the upper-layer stirrer assembly and the lower-layer stirrer assembly to move up and down. The upper-layer stirrer assembly includes an engaging block axially engaged with the rotating shaft and stirring blades arranged around the periphery of the engaging block at equal intervals.
    Type: Application
    Filed: November 2, 2018
    Publication date: August 15, 2019
    Inventor: Xiaojun Liu
  • Publication number: 20190239452
    Abstract: A municipal garden sweeper includes a mobile frame, a control box arranged on an upper portion of the mobile frame, a first exhaust pipe, and a second exhaust pipe arranged on left and right sides of the control box. The first exhaust pipe and the second exhaust pipe are configured to suck up and collect external garbage. A first exhaust fan is arranged on a connecting portion of the first exhaust pipe and the control box. A second exhaust fan is arranged on a connecting portion of the second exhaust pipe and the control box. The first exhaust fan and the second exhaust fan are configured to respectively provide power for the first exhaust pipe and the second exhaust pipe to suck up the external garbage.
    Type: Application
    Filed: November 29, 2018
    Publication date: August 8, 2019
    Inventor: Xiaojun LIU
  • Publication number: 20190242189
    Abstract: A water conserving reaming system includes a water storage box, a water pumping pipe communicated with the water storage box, a first lifting platform, a second lifting platform, a reaming mechanism assembly, and a reamer bit connected with a front end of the reaming mechanism assembly. The first lifting platform includes a first base, a lifting frame arranged on an upper portion of the first base and a pipeline joint. An end of the water pumping pipe extends into the water storage box. An other end of the water pumping pipe is communicated with a bottom portion of the first base. A filtering mechanism for performing primary filtering treatment on a water source from the water pumping pipe is arranged inside the first base. The second lifting platform includes a second base and a telescopic column arranged on an upper portion of the second base.
    Type: Application
    Filed: November 2, 2018
    Publication date: August 8, 2019
    Inventor: Xiaojun Liu
  • Publication number: 20190242540
    Abstract: A municipal warning lamp includes control box and a warning lamp post arranged on an upper portion of the control box. The warning lamp post is of a cuboid structure. At least three warning lights with different colors are arranged on each side of the warning lamp post. A power supply, a controller, a temperature and humidity sensor, a network communication transmission unit, an alerter, a data memory, a first telescopic driving cylinder, a second telescopic driving cylinder, and a BLUETOOTH transmission unit are arranged in an interior of the control box.
    Type: Application
    Filed: January 9, 2019
    Publication date: August 8, 2019
    Inventor: Xiaojun LIU
  • Publication number: 20190240702
    Abstract: The municipal waste sorting system includes a sorting guide rail frame and garbage collecting boxes arranged on two sides of the sorting guide rail frame, a first recycling bin disposed on a tail of the soiling guide rail frame and a second recycling bin in communication with the first recycling bin. A garbage discharge pipe is connected with an end head portion of a front end of the sorting guide rail frame and discharges the garbage into the sorting guide rail frame. A guide rail assembly is arranged on an upper portion of the sorting guide rail flame to transport garbage. A first sorting manipulator assembly, a second sorting manipulator assembly and a third sorting manipulator assembly are arranged on the sorting guide rail frame to screen the garbage to the garbage collecting boxes.
    Type: Application
    Filed: September 29, 2018
    Publication date: August 8, 2019
    Inventor: Xiaojun Liu
  • Publication number: 20190242083
    Abstract: A low-impact water conserving dam includes a dam body and reinforcing ribs arranged on a rear portion of the dam body. The reinforcing ribs comprise transverse reinforcing ribs and vertical reinforcing ribs interlaced with the transverse reinforcing ribs. A front portion of the dam body is an inclined surface and a rear end of the dam body is a platform surface. A planting bin is arranged on the platform surface of the dam body for planting vegetation. A plurality of water flow through holes are arranged in a matrix manner at a bottom of the planting bin. A water storage bin is arranged in an interior of the dam body. The water flow through holes are communicated with the water storage bin. A water drainage channel communicated with the water storage bin is formed in a middle upper portion of the inclined surface of the dam body.
    Type: Application
    Filed: September 29, 2018
    Publication date: August 8, 2019
    Inventor: Xiaojun LIU
  • Publication number: 20190242085
    Abstract: A water conserving gate includes a base and a gate board configured to resist external water flow. A first supporting column, a second supporting column and a third supporting column are sequentially arranged on an upper portion of the base. A control box is arranged on the upper portion of the base. A first connecting rod is connected between a gate board and the first supporting column; a second connecting rod is connected between the gate board and the second supporting column. A third connecting rod is connected between the gate board and the third supporting column. A first rotary boss arranged on the first supporting column is movably connected with the first connecting rod. A second rotary boss arranged on the second supporting column is movably connected with the second connecting rod.
    Type: Application
    Filed: January 9, 2019
    Publication date: August 8, 2019
    Inventor: Xiaojun LIU
  • Publication number: 20190242086
    Abstract: A water conserving, secure and environment protective device includes a stationary base, a reflux column connected with the stationary base and a floating mechanism assembly sleeved on the reflux column. The reflux column defining a plurality of reflux holes to reflux a water source. A water absorption mechanism assembly includes a plurality of supporting frames, a water pump arranged on an upper portion of the supporting frames, and a plurality of water suction pipes communicated with the water pump to suck an external source of water.
    Type: Application
    Filed: November 2, 2018
    Publication date: August 8, 2019
    Inventor: Xiaojun Liu
  • Publication number: 20190242091
    Abstract: A water conserving silt discharging device includes a moving bottom plate. A first material conveying water pump, a stirring box, a filler box and a compression box are sequentially arranged on an upper portion of the moving bottom plate. And a roller mechanism is arranged on each of four diagonal portions of a lower portion of the moving bottom palate. A controller, an infrared sensor and a high-definition camera assembly are arranged on the upper portion of the moving bottom plate. The first material conveying water pump conveys silt material to the stirring box through a convey pipe. A jitter mechanism assembly is arranged at a bottom portion of the stirring box to generate jittering. The jitter mechanism assembly comprises a plurality of identically shaking spring bodies and a driving cylinder arranged on the shaking spring bodies.
    Type: Application
    Filed: September 7, 2018
    Publication date: August 8, 2019
    Inventor: Xiaojun Liu
  • Publication number: 20190167336
    Abstract: The invention provides an intelligent moxibustion device, comprising a vertically disposed barrel, an ash tower buckled with the barrel, a moxa stick driving unit and an intelligent control unit disposed in the barrel; wherein the moxa stick driving unit comprises a moxa stick sleeve and a stepping motor disposed above the moxa stick sleeve; the stepping motor drives the moxa stick to move up and down through the transmission of a gear; the intelligent control unit comprises a battery disposed above the stepping motor for powering the entire moxibustion device, a circuit board fixed above the battery, and a temperature sensor disposed in the ash tower, the battery being connected to the circuit board to provide power to the circuit board, the circuit board being connected to the temperature sensor through input and output terminals.
    Type: Application
    Filed: March 9, 2018
    Publication date: June 6, 2019
    Inventor: Xiaojun LIU
  • Patent number: 10218832
    Abstract: A mobile terminal unlock method for security protection is provided. The method includes: obtaining a trigger signal for unlock, and generating a first password according to the trigger signal; generating a corresponding unlock signal according to a preset correspondence between the unlock signal and the first password and with reference to the first password, and sending the corresponding unlock signal; obtaining an unlock password that is obtained by means of parsing by a user according to the unlock signal; matching the unlock password with the first password; determining whether the unlock password is consistent with the first password; and if a determining result is yes, unlocking a password lock; or if a determining result is no, obtaining a trigger signal for unlock again.
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: February 26, 2019
    Assignee: GUANGZHOU ZHIJING TECHNOLOGY CO., LTD
    Inventors: Xiaojun Liu, Minsheng Wang