Patents by Inventor Zhiyong Huang
Zhiyong Huang 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).
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Publication number: 20220164334Abstract: Systems and methods for managing a highly available distributed database comprising: a memory storing instructions; and one or more processors configured to execute the instructions to: determine that a source node, in a distributed database comprising the source node and one or more replica nodes, is not available; select a most-updated replica node from the one or more replica nodes; switch a role of the most-updated replica node to source; update a data store to label the source node as unavailable and the selected replica node as being a promoted source node; send a notification to a user device to update a database topology based on the updated data store; determine whether the user device has updated the database topology; and upon determining the user device has not updated the database topology, continue to send the notification to the user device until the user device has updated the database topology.Type: ApplicationFiled: November 10, 2021Publication date: May 26, 2022Applicant: Coupang Corp.Inventors: Zhan CHEN, Zhiyong HUANG, Bin DONG, Chuanchuan HAN, Junzhao ZHANG
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Publication number: 20220164351Abstract: Systems and methods for managing a highly available distributed hybrid database comprising: a memory storing instructions; and one or more processors configured to execute the instructions to: receive a query from a user device to retrieve data from a distributed database comprising a source node, a first plurality of replica nodes, and a second plurality of replica nodes, wherein the source node and the first plurality of replica nodes form a transactional cluster, and wherein the second plurality of replica nodes forms an analytical cluster; determine whether to process the query using the transactional cluster or the analytical cluster based on one or more rules; translate the query into a first protocol that the determined cluster comprehends; select a replica node corresponding to the determined cluster; process the query using the selected replica node; and send data associated with results from processing the query to the user device.Type: ApplicationFiled: April 26, 2021Publication date: May 26, 2022Applicant: Coupang Corp.Inventors: Zhan CHEN, Bin DONG, Zhiyong HUANG, Chuanchuan HAN, Junzhao ZHANG
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Patent number: 11337578Abstract: A squeeze flat mop cleaning tool having an adjustable squeeze opening is provided. The squeeze flat mop cleaning tool comprises a mop bucket and a flat mop; the flat mop comprises a mop stick and a flat mop head, and a wiper is provided on the flat mop head; the mop bucket has an independent squeezing area and an independent cleaning area, and a squeeze device is mounted on the mop bucket; the squeeze device comprises a scraper plate and a support member, and a squeeze opening is formed between the scraper plate and the support member. The scraper plate is rotatably provided on the mop bucket, and the size of the squeeze opening can be changed by the rotation of the scraper plate.Type: GrantFiled: December 27, 2017Date of Patent: May 24, 2022Assignee: CIXI BOSHENG PLASTIC CO., LTD.Inventor: Zhiyong Huang
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Publication number: 20220156237Abstract: Methods and systems for database query efficiency improvement are disclosed. In one embodiment, a method includes mirroring a primary database to a secondary database; creating a testing database comprising the schema; receiving a query; running the query on the testing database; and evaluating the query by: identifying predicates in the query; determining most common values for each column name by querying the secondary database; creating, for each column name, a list comprising at least one of the most common values; creating a test predicate comprising one of the column names and an entry for the list corresponding to the column name; creating a test query comprising one or more test predicates; determining a resource utilization of the query by running each of the test queries on the secondary database; and providing, to a user interface for display, an efficiency improvement recommendation when the resource utilization exceeds a threshold.Type: ApplicationFiled: February 22, 2021Publication date: May 19, 2022Applicant: Coupang Corp.Inventors: Bin Dong, Zhan Chen, Zhiyong Huang, Chuanchuan Han, Junzhao Zhang
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Patent number: 11216441Abstract: Systems and methods for managing a highly available distributed database comprising: a memory storing instructions; and one or more processors configured to execute the instructions to: determine that a source node, in a distributed database comprising the source node and one or more replica nodes, is not available; select a most-updated replica node from the one or more replica nodes; switch a role of the most-updated replica node to source; update a data store to label the source node as unavailable and the selected replica node as being a promoted source node; send a notification to a user device to update a database topology based on the updated data store; determine whether the user device has updated the database topology; and upon determining the user device has not updated the database topology, continue to send the notification to the user device until the user device has updated the database topology.Type: GrantFiled: November 25, 2020Date of Patent: January 4, 2022Assignee: Coupang Corp.Inventors: Zhan Chen, Zhiyong Huang, Bin Dong, Chuanchuan Han, Junzhao Zhang
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Patent number: 11016969Abstract: Systems and methods for managing a highly available distributed hybrid database comprising: a memory storing instructions; and one or more processors configured to execute the instructions to: receive a query from a user device to retrieve data from a distributed database comprising a source node, a first plurality of replica nodes, and a second plurality of replica nodes, wherein the source node and the first plurality of replica nodes form a transactional cluster, and wherein the second plurality of replica nodes forms an analytical cluster; determine whether to process the query using the transactional cluster or the analytical cluster based on one or more rules; translate the query into a first protocol that the determined cluster comprehends; select a replica node corresponding to the determined cluster; process the query using the selected replica node; and send data associated with results from processing the query to the user device.Type: GrantFiled: November 25, 2020Date of Patent: May 25, 2021Assignee: Coupang Corp.Inventors: Zhan Chen, Bin Dong, Zhiyong Huang, Chuanchuan Han, Junzhao Zhang
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Patent number: 10976211Abstract: A fully-automated handheld pressure calibrator, comprising a housing, and gas circuit and electrical circuit components installed in the housing. The gas circuit components comprise a pressure source capable of supplying a pressurized gas. The gas circuit and electrical circuit components are integrated and installed in the housing in a modular manner, and the shape of the housing is suitable to be held in a hand. The pressure calibrator of the present invention enables all kinds of functions including pressure generation, pressure control, pressure instrument connection, and recording, result calculation, and report output of a pressure calibration process, and is suitable for on-site an on-line calibration of a pressure instrument.Type: GrantFiled: July 14, 2017Date of Patent: April 13, 2021Assignee: BEIJING CONST INSTRUMENTS TECHNOLOGY INC.Inventors: Zhiyong Huang, Xin Liu, Fengshan Dong, Xilei Tian, Rui Li, Wei Ji, Licheng Li, Gang Wang, Hongjun Gao, Chunhui Wan
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Patent number: 10963438Abstract: Methods and systems for database query efficiency improvement are disclosed. In one embodiment, a method includes mirroring a primary database to a secondary database; creating a testing database comprising the schema; receiving a query; running the query on the testing database; and evaluating the query by: identifying predicates in the query; determining most common values for each column name by querying the secondary database; creating, for each column name, a list comprising at least one of the most common values; creating a test predicate comprising one of the column names and an entry for the list corresponding to the column name; creating a test query comprising one or more test predicates; determining a resource utilization of the query by running each of the test queries on the secondary database; and providing, to a user interface for display, an efficiency improvement recommendation when the resource utilization exceeds a threshold.Type: GrantFiled: November 17, 2020Date of Patent: March 30, 2021Assignee: COUPANG CORP.Inventors: Bin Dong, Zhan Chen, Zhiyong Huang, Chuanchuan Han, Junzhao Zhang
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Publication number: 20200345200Abstract: A mop bucket for cleaning and squeezing a flat mop, comprises a bucket body and a squeezing device disposed inside the bucket body; wherein, the bucket body has a squeezing water section and a cleaning section, which are respectively at two different positions when used; when the mop head of the flat mop is removably inserted into the squeezing device, the squeezing device presses against the wiper on the mop head and scrapes the wiper on the mop head. The present invention also discloses a cleaning tool set. The mop bucket of the present invention can clean and squeeze a wiper on the flat mop by integrating both functions of cleaning and squeezing together, provide better cleaning and squeezing effects, and realize a convenient and labor-saving squeezing operation and pleasurable user experience.Type: ApplicationFiled: July 20, 2020Publication date: November 5, 2020Inventor: Zhiyong HUANG
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Publication number: 20200345199Abstract: A mop bucket for cleaning and squeezing a flat mop, comprises a bucket body and a squeezing device disposed inside the bucket body; wherein, the bucket body has a squeezing water section and a cleaning section, which are respectively at two different positions when used; when the mop head of the flat mop is removably inserted into the squeezing device, the squeezing device presses against the wiper on the mop head and scrapes the wiper on the mop head. The present invention also discloses a cleaning tool set. The mop bucket of the present invention can clean and squeeze a wiper on the flat mop by integrating both functions of cleaning and squeezing together, provide better cleaning and squeezing effects, and realize a convenient and labor-saving squeezing operation and pleasurable user experience.Type: ApplicationFiled: July 20, 2020Publication date: November 5, 2020Inventor: Zhiyong HUANG
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Patent number: 10722094Abstract: A mop bucket for cleaning and squeezing a flat mop, comprises a bucket body and a squeezing device disposed inside the bucket body; wherein, the bucket body has a squeezing water section and a cleaning section, which are respectively at two different positions when used; when the mop head of the flat mop is removably inserted into the squeezing device, the squeezing device presses against the wiper on the mop head and scrapes the wiper on the mop head. The present invention also discloses a cleaning tool set. The mop bucket of the present invention can clean and squeeze a wiper on the flat mop by integrating both functions of cleaning and squeezing together, provide better cleaning and squeezing effects, and realize a convenient and labor-saving squeezing operation and pleasurable user experience.Type: GrantFiled: May 11, 2017Date of Patent: July 28, 2020Assignee: Cixi Bosheng Plastic Co., Ltd.Inventor: Zhiyong Huang
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Publication number: 20200229672Abstract: A squeeze flat mop cleaning tool having an adjustable squeeze opening is provided. The squeeze flat mop cleaning tool comprises a mop bucket and a flat mop; the flat mop comprises a mop stick and a flat mop head, and a wiper is provided on the flat mop head; the mop bucket has an independent squeezing area and an independent cleaning area, and a squeeze device is mounted on the mop bucket; the squeeze device comprises a scraper plate and a support member, and a squeeze opening is formed between the scraper plate and the support member. The scraper plate is rotatably provided on the mop bucket, and the size of the squeeze opening can be changed by the rotation of the scraper plate.Type: ApplicationFiled: December 27, 2017Publication date: July 23, 2020Inventor: Zhiyong Huang
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Patent number: 10618171Abstract: There is provided a method of controlling a mobile manipulator for tracking a surface. The mobile manipulator includes a mobile base movable in an axial direction of the mobile manipulator and a manipulator supported on the mobile base having an end effector adjustable in a lateral direction of the mobile manipulator. The method includes detecting the surface from the mobile manipulator, including positions of the surface at points along the surface, determining a reference path for the end effector to track based on an offset from the surface detected, determining a tracking error in the reference path determined, and adjusting a position of the end effector in the lateral direction based on the tracking error to compensate for the tracking error in the reference path determined. There is also provided a corresponding mobile manipulator.Type: GrantFiled: February 1, 2016Date of Patent: April 14, 2020Assignee: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCHInventors: Renjun Li, Boon Hwa Tan, Zhiyong Huang, Wei Yun Yau
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Publication number: 20190219472Abstract: A fully-automated handheld pressure calibrator, comprising a housing, and gas circuit and electrical circuit components installed in the housing. The gas circuit components comprise a pressure source capable of supplying a pressurized gas. The gas circuit and electrical circuit components are integrated and installed in the housing in a modular manner, and the shape of the housing is suitable to be held in a hand. The pressure calibrator of the present invention enables all kinds of functions including pressure generation, pressure control, pressure instrument connection, and recording, result calculation, and report output of a pressure calibration process, and is suitable for on-site an on-line calibration of a pressure instrument.Type: ApplicationFiled: July 14, 2017Publication date: July 18, 2019Applicant: BEIJING CONST INSTRUMENTS TECHNOLOGY INC.Inventors: Zhiyong HUANG, Xin LIU, Fengshan DONG, Xilei TIAN, Rui LI, Wei JI, Licheng LI, Gang WANG, Hongjun GAO, Chunhui WAN
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Patent number: 10305595Abstract: The disclosures provide a method and apparatus for transmitting and receiving interface signals of a distributed base station. At least one channel of Common Public Radio Interface (CPRI) signals of a distributed base station are encapsulated into optical transport unit x (OTUx) signals in a frame structure of OTUx by adopting Generic Mapping Procedure (GMP) mapping scheme, wherein the x represents a transmission capacity and wherein the OTUx is adopted for providing a bandwidth required by the at least one channel of CPRI signals, and then the OTUx signals that bear the at least one channel of CPRI signals are sent.Type: GrantFiled: December 21, 2016Date of Patent: May 28, 2019Assignee: Huawei Technologies Co., Ltd.Inventors: Jingxin Tan, Xin Xiao, Zhiyong Huang, Chaoyang Li, Binghua Zhang, Wei Du, Hanguo Li
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Patent number: 10238263Abstract: A cleaning tool set includes a rod; a mop head attached to the rod; a wiper attached to the mop head; and a bucket for receiving the mop; the rod includes an inner rod, an outer rod sleeved at least partially over the inner rod, and a driving mechanism for converting a telescopic motion between the inner rod and an outer rod into a rotating motion of the rod; the bucket includes at least one container, a rotatable dewatering frame with a central shaft. While the mop head is rotating with the rod to be dewatered, the mop head is put in the dewatering frame, and the water pumping device is driven by the drive mechanism to drain water out of the container which has the dewatering frame disposed therein.Type: GrantFiled: January 23, 2015Date of Patent: March 26, 2019Inventor: Zhiyong Huang
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Publication number: 20180366811Abstract: A housing, a method for producing the same and a mobile terminal having the same are provided. The housing includes a metallic substrate, a groove, at least one hole and an antenna. The groove is defined in the substrate. The at least one hole passes through the substrate and communicates with the groove. The antenna piece is disposed in the groove and the at least one hole, and insulated from the substrate.Type: ApplicationFiled: April 14, 2018Publication date: December 20, 2018Applicant: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LT D.Inventors: Zhiyong HUANG, Guangming YANG
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Patent number: D901386Type: GrantFiled: May 20, 2019Date of Patent: November 10, 2020Assignee: SHENG YE ELECTRIC CO., LTDInventors: Wenjun Chen, Chaolin Chen, Zhiyong Huang
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Patent number: D951539Type: GrantFiled: May 26, 2021Date of Patent: May 10, 2022Inventor: Zhiyong Huang
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Patent number: D952355Type: GrantFiled: April 25, 2021Date of Patent: May 24, 2022Inventor: Zhiyong Huang