Patents by Inventor Zhi Lu

Zhi Lu 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).

  • Publication number: 20220200538
    Abstract: Methods, systems, and devices for operating an amplifier with a controllable pull-down capability are described. A memory device may include a memory array and a power circuit that generates an internal signal for components in the memory array. The power circuit may include an amplifier and a power transistor that is coupled with the amplifier. A pull-down capability of the amplifier may be controllable using an external signal that is based on a difference between a reference signal and the internal signal. The power circuit may also include a comparator that is coupled with the amplifier and configured to compare the reference signal and the internal signal. Components of the comparator may be integrated with components of the amplifier, may share a bias circuit, and may use nodes within the amplifier to control the comparator. A signal output by the comparator may control the pull-down capability of the amplifier.
    Type: Application
    Filed: December 18, 2020
    Publication date: June 23, 2022
    Inventors: Wei Lu Chu, Zhi Qi Huang, Dong Pan
  • Patent number: 11359466
    Abstract: A perforating device includes a release sub, a rotating segment, a first centralizer, a braking segment, a casing collar locator, a traction mechanism, a second centralizer, a flex joint, a power supply segment, a shock absorber, a perforator, and a tail segment, which are in threaded connection sequentially to each other. The first joint assembly includes a first joint, a guide key, a connecting sleeve including a locking groove, a second joint, and an outer pipe; the first joint of the first joint assembly is in threaded connection to the cable bridle, and the second joint is in threaded connection to the outer pipe. The connecting sleeve is disposed inside the outer pipe and is connected to the first joint through the guide key. The second joint assembly includes a plurality of locking claws, a third joint, and a head.
    Type: Grant
    Filed: September 6, 2020
    Date of Patent: June 14, 2022
    Assignees: SINOPEC OILFIELD SERVICE CORPORATION, SINOPEC OILFIELD SERVICE JIANGHAN CORPORATION, LOGGING COMPANY, SINOPEC OILFIELD SERVICE JIANGHAN CORPORATION
    Inventors: Guosheng Yang, Yong Liao, Zhihua Zhang, Liang Ye, Jiang Zhu, Haitao Rao, Jinguo Pan, Siping Chen, Yuanhui Shi, Yijiang Feng, Peiwen Gu, Chao Lu, Zhongxin Fan, Zhi Li, Chaohui Zhang
  • Patent number: 11357027
    Abstract: The present disclosure provides an uplink grant-free transmission method in Ultra Reliable & Low Latency Communication (URLLC), a terminal side device and a network side device. The uplink grant-free transmission method includes: receiving a configuration parameter, the configuration parameter including first information indicating a correspondence between time-domain resources for URLLC uplink transmission and identifiers of Hybrid Automatic Repeat reQuest (HARQ) processes; and after the arrival of a URLLC service, transmitting data for the URLLC service using a corresponding HARQ process on an available time-domain resource for the URLLC uplink transmission.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: June 7, 2022
    Assignee: VIVO MOBILE COMMUNICATION CO., LTD.
    Inventors: Zhi Lu, Xiaodong Yang
  • Publication number: 20220174659
    Abstract: Embodiments of the present disclosure provide a feedback method for a semi-persistent scheduling (SPS) physical downlink shared channel (PDSCH) and a terminal device, and relate to the field of communication technologies. The method includes: determining, when a plurality of SPS PDSCHs are configured in one slot, a feedback information codebook of the SPS PDSCHs according to a quantity of the SPS PDSCHs configured and a capability of the terminal device, where the capability of the terminal device is used for indicating a maximum quantity N of PDSCHs that the terminal device can decode in one slot.
    Type: Application
    Filed: February 15, 2022
    Publication date: June 2, 2022
    Inventors: Zhi LU, Xueming PAN, Xiaohang CHEN
  • Publication number: 20220174709
    Abstract: A transmission method, a configuration method, a terminal, and a network-side device. The method includes: receiving a physical downlink shared channel (PDSCH); and determining a transmission parameter of a Hybrid Automatic Repeat reQuest Acknowledgment (HARQ-ACK) codebook corresponding to the PDSCH according to a time domain resource format of a transmission resource.
    Type: Application
    Filed: February 15, 2022
    Publication date: June 2, 2022
    Inventors: Xiaohang CHEN, Zhi LU, Xueming PAN
  • Publication number: 20220167360
    Abstract: Provided are an indication method, and user equipment (UE). The indication method includes: detecting a preemption indication message after the UE receives a uplink grant; discarding a portion of uplink data or all of uplink data corresponding to the uplink grant, when the uplink data is after a symbol that is X symbols after the preemption indication message, wherein the X=t1+TA, the t1 is a time taken by the UE to decode the preemption indication message and the t1 is related to a capability of the UE, the TA is a timing advance value.
    Type: Application
    Filed: January 19, 2022
    Publication date: May 26, 2022
    Applicant: VIVO MOBILE COMMUNICATION CO., LTD.
    Inventors: Zhi LU, Xueming PAN, Xiaodong SHEN
  • Publication number: 20220157365
    Abstract: Methods, systems, and devices for timing signal delay for a memory device are described. In some memory devices, operations for accessing memory cells may be performed with timing that is asynchronous relative to an input signal. To support asynchronous timing, a memory device may include delay components that support generating a timing signal having aspects that are delayed relative to an input signal. A memory device may include delay components having a configurable impedance based at least in part on one or more fabrication characteristics of the memory device, one or more operating conditions of the memory device, one or more bias voltages, or a combination thereof.
    Type: Application
    Filed: November 19, 2020
    Publication date: May 19, 2022
    Inventors: Zhi Qi Huang, Wei Lu Chu, Dong Pan
  • Publication number: 20220158807
    Abstract: This disclosure provides an information transmission method and an electronic device. The method includes: transmitting an uplink cancellation indication, where the uplink cancellation indication includes first indication information and second indication information, a first parameter of the second indication information is determined based on a payload size of the uplink cancellation indication and a bit quantity of the first indication information, and the first parameter includes at least one of a bit quantity and an indication granularity.
    Type: Application
    Filed: January 31, 2022
    Publication date: May 19, 2022
    Inventors: Xiaohang CHEN, Zhi LU, Xueming PAN
  • Patent number: 11335396
    Abstract: Methods, systems, and devices for timing signal delay for a memory device are described. In some memory devices, operations for accessing memory cells may be performed with timing that is asynchronous relative to an input signal. To support asynchronous timing, a memory device may include delay components that support generating a timing signal having aspects that are delayed relative to an input signal. A memory device may include delay components having a configurable impedance based at least in part on one or more fabrication characteristics of the memory device, one or more operating conditions of the memory device, one or more bias voltages, or a combination thereof.
    Type: Grant
    Filed: November 19, 2020
    Date of Patent: May 17, 2022
    Assignee: Micron Technology, Inc.
    Inventors: Zhi Qi Huang, Wei Lu Chu, Dong Pan
  • Publication number: 20220150930
    Abstract: A transmission mode determining method, an information configuration method, and a device are provided. The transmission mode determining method includes: determining, based on first preset information, a transmission mode of a physical downlink shared channel PSDCH scheduled by one downlink control information DCI; where the first preset information is carried in at least one of radio resource control RRC, a media access control control element MAC CE, and the DCI.
    Type: Application
    Filed: January 20, 2022
    Publication date: May 12, 2022
    Inventors: Yang SONG, Peng SUN, Zhi LU
  • Publication number: 20220150912
    Abstract: An uplink control information transmission method includes: in a case that a PUCCH resource carrying CSI and a PUCCH resource corresponding to an SR overlap in time domain, determining a state of an SR; and in a case that at least one SR is in a positive state, skipping transmitting the CSI, and transmitting an SR in the positive state on the PUCCH resource corresponding to the SR in the positive state; or transmitting the SR in the positive state by puncturing the PUCCH resource of the CSI.
    Type: Application
    Filed: January 25, 2022
    Publication date: May 12, 2022
    Applicant: VIVO MOBILE COMMUNICATION CO.,LTD.
    Inventors: Na LI, Xueming PAN, Xiaodong SHEN, Zhi LU
  • Publication number: 20220150720
    Abstract: A DCI transmission method and a communication device are provided. The method includes: performing a transmission of DCI, wherein the DCI includes FDRA information, the FDRA information is used to determine N frequency domain resource groups, the N frequency domain resource groups are N groups of frequency domain resources used by the communication device for a PDSCH transmission, the N frequency domain resource groups respectively correspond to N spatial information indications, and N is an integer which is greater than or equal to 2.
    Type: Application
    Filed: January 27, 2022
    Publication date: May 12, 2022
    Applicant: VIVO MOBILE COMMUNICATION CO.,LTD.
    Inventors: Yang SONG, Peng SUN, Zhi LU
  • Publication number: 20220149992
    Abstract: A channel sending method includes: determining a first transmission parameter, where the first transmission parameter includes at least one of following: a time domain resource, an RV, or a HARQ process number, the time domain resource includes at least one of N candidate transmission opportunities, and the N candidate transmission opportunities correspond to M uplink channels; and sending P uplink channels based on the first transmission parameter. N, M, and P are all positive integers.
    Type: Application
    Filed: January 21, 2022
    Publication date: May 12, 2022
    Applicant: VIVO MOBILE COMMUNICATION CO.,LTD.
    Inventors: Xiaohang CHEN, Lei JIANG, Zhi LU
  • Patent number: 11330576
    Abstract: A method for monitoring a PDCCH, a terminal and a network device are provided. The method includes: determining configuration information of at least one control resource set (CORESET); and transmitting the configuration information of the at least one CORESET to a terminal; where the at least one CORESET is configured per carrier or per bandwidth part (BWP), and the carrier comprises at least one BWP. In a case that the at least one CORESET is configured per carrier, one carrier is configured with at least one CORESET; and in a case that the at least one CORESET is configured per BWP, one BWP is configured with at least one CORESET.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: May 10, 2022
    Assignee: VIVO MOBILE COMMUNICATION CO., LTD.
    Inventors: Xueming Pan, Xiaodong Shen, Lei Jiang, Zhi Lu
  • Publication number: 20220141775
    Abstract: An information transmission method includes: in a case that time domain resources of at least two physical uplink channels in M physical uplink channels to be sent are overlapped, sending a target physical uplink channel by using a target power control parameter in power control parameters for the at least two physical uplink channels, where physical uplink information carried in the target physical uplink channel includes physical uplink information carried in each of the at least two physical uplink channels, each of the M physical uplink channels includes a PUCCH or a PUSCH, the physical uplink information includes uplink control information, and M is an integer greater than or equal to 2.
    Type: Application
    Filed: January 19, 2022
    Publication date: May 5, 2022
    Applicant: VIVO MOBILE COMMUNICATION CO.,LTD.
    Inventors: Zhi LU, Xueming PAN, Xiaodong SHEN, Na LI
  • Patent number: 11323235
    Abstract: The present disclosure provides a method for controlling BWP, a relevant device and a system. The method includes: notifying a UE to activate or deactivate a target BWP by transmitting DCI at least once which includes information of the target BWP for activating or deactivating the target BWP.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: May 3, 2022
    Assignee: VIVO MOBILE COMMUNICATION CO., LTD.
    Inventors: Lei Jiang, Zhi Lu, Wei Bao, Peng Sun
  • Publication number: 20220132496
    Abstract: A UCI transmission method, a UCI receiving method, a terminal, and a network device are provided. The method includes: in a case that a time-domain transmission resource of a first uplink channel carrying first UCI and a time-domain transmission resource of a second uplink channel carrying second UCI are overlapped, multiplexing the first UCI and the second UCI on a same channel for transmission.
    Type: Application
    Filed: January 5, 2022
    Publication date: April 28, 2022
    Applicant: VIVO MOBILE COMMUNICATION CO., LTD
    Inventors: Zhi LU, Na LI, Xiaodong SHEN, Xiaohang CHEN
  • Publication number: 20220131650
    Abstract: A HARQ-ACK processing method includes: determining a first HARQ-ACK bit from a first HARQ-ACK codebook according to information indicated by DCI corresponding to the first HARQ-ACK codebook and/or indexes of carriers where PDSCHs corresponding to the first HARQ-ACK codebook are located; and multiplexing the first HARQ-ACK bit and HARQ-ACK bits in a second HARQ-ACK codebook or discarding the first HARQ-ACK bit.
    Type: Application
    Filed: January 4, 2022
    Publication date: April 28, 2022
    Applicant: VIVO MOBILE COMMUNICATION CO.,LTD.
    Inventors: Xiaohang CHEN, Zhi LU, Xiaodong SHEN, Na Li
  • Patent number: 11310829
    Abstract: Provided are a method of transmitting information in an unlicensed band and a network device. The method includes: when there is a synchronized signal block to be transmitted, performing listen before talk (LBT) at an LBT position of a time-domain transmission unit where a candidate transmission position of the synchronized signal block is located, to obtain an LBT result of a channel; if the LBT result of the channel indicates that the channel is idle, then sending, at the candidate transmission position of the synchronized signal block, the corresponding synchronized signal block to UE.
    Type: Grant
    Filed: June 12, 2018
    Date of Patent: April 19, 2022
    Assignee: VIVO MOBILE COMMUNICATION CO., LTD.
    Inventors: Lei Jiang, Zhi Lu
  • Publication number: 20220103028
    Abstract: A motor rotor plate includes a rotating shaft, a connecting portion coupled to the rotating shaft to drive the rotating shaft to rotate, and a plurality of electrode portions used to wind a coil. The electrode portions are spaced around the connecting portion at a same interval. One end of each electrode portion is coupled to the connecting portion. Another end of each electrode portion extends outward in a radial direction of the connecting portion. A width of each electrode portion gradually increases along the radial direction of the connecting portion to increase an area of the electrode portion, thereby increasing a magnetic flux, so that an electric current of the coil is reduced while maintaining a certain rotation speed to reduce heat generation.
    Type: Application
    Filed: January 27, 2021
    Publication date: March 31, 2022
    Inventors: YOU-ZHI LU, YONG-KANG ZHANG, YUNG-PING LIN