Patents by Inventor Pu Cheng

Pu Cheng 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: 20240081271
    Abstract: A dust removal-sterilization-deodorization integrated intelligent lightweight device for livestock and poultry houses includes: a transparent housing, a photocatalyst slidably connected to an inner wall of the transparent housing, filter sleeves rotatably mounted on the inner wall of the transparent housing, a flow guide cavity defined in the transparent housing, a fan fixedly connected to a left sidewall of the flow guide cavity, and a flow baffle fixedly connected to an air inlet end of the flow guide cavity. The filter sleeve includes a low-resistance melt-blown fabric, a rutile manganese-zinc layer is laid on an outer side of the low-resistance melt-blown fabric, a skeleton fabric is attached to an outer wall of the rutile manganese-zinc layer, and an outer wall of the skeleton fabric is rotatably connected to the inner wall of the transparent housing. At least two filter sleeves are transversely arranged, and the filter sleeves are tubular.
    Type: Application
    Filed: November 19, 2023
    Publication date: March 14, 2024
    Inventors: Zhifang Shi, Lei Xi, Xuanyang Li, Pu Cheng, Chunhui Hua, Sixin Zhang, Limin Wang
  • Publication number: 20240087954
    Abstract: Some embodiments of the present disclosure provide a semiconductor device. The semiconductor device includes: a bottom package; wherein an area of a contact surface between the conductor and the through via substantially equals a cross-sectional area of the through via, and the bottom package includes: a molding compound; a through via penetrating through the molding compound; a die molded in the molding compound; and a conductor on the through via. An associated method of manufacturing the semiconductor device is also disclosed.
    Type: Application
    Filed: November 23, 2023
    Publication date: March 14, 2024
    Inventors: JING-CHENG LIN, YING-CHING SHIH, PU WANG, CHEN-HUA YU
  • Patent number: 11528217
    Abstract: This application provides a path switching method and a related apparatus. In the path switching process, an ECMP table includes a first ECMP index of a first path group and a second ECMP index of a second path group; when all paths in the first path group have failed, a path group identifier corresponding to the first ECMP index may be changed from valid to invalid in the ECMP table, indicating that all paths in the first path group are unavailable. In this case, a path group identifier corresponding to the second ECMP index is valid, indicating that the second path group includes an available path, thereby completing switching between an active path and a standby path. In this process, only an identifier corresponding to the ECMP index needs to be updated, and therefore, the time consumed is relatively short, and the path switching delay can be effectively reduced.
    Type: Grant
    Filed: November 20, 2020
    Date of Patent: December 13, 2022
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Dongdong Li, Pu Cheng, Ying Xie
  • Publication number: 20220360509
    Abstract: A system is disclosed for network management automation using network intent or adaptive monitoring automation. Network intent (NI) represents a network design and baseline configuration for that network or network devices with an ability to diagnose deviation from the baseline configuration. The NI can be automated to update and replicate the diagnosis. The monitoring of the network can be adapted to capture network problems in advance with adaptive monitoring automation.
    Type: Application
    Filed: April 26, 2022
    Publication date: November 10, 2022
    Applicant: NetBrain Technologies, Inc.
    Inventors: Lingping Gao, Peng Zhao, Yawei Wang, Hongwei Liu, Yongjing Chen, Lianchao Jin, Weibo Li, Pu Cheng, Guangdong Liao
  • Publication number: 20220300243
    Abstract: A screen sharing method, a screen sharing apparatus and an electronic device are provided according to embodiments of the present disclosure. An embodiment of the method includes sending, in response to detecting a screen sharing operation after paired with a target display device for screen projection, shared screen data via a server to a target participant device in a multimedia conference, to trigger the target participant device to display a shared screen based on the shared screen data, where the target participant device includes the target display device. By the method, the screen sharing is realized by combining local screen projection and a multimedia conference.
    Type: Application
    Filed: May 27, 2022
    Publication date: September 22, 2022
    Inventors: Weijia DAI, Shaohua YAN, Pu CHENG, Yin SHI, Yali ZHANG, Yanshen ZHANG, Xiangxiang CHEN
  • Publication number: 20210319714
    Abstract: A graphic recognition-based interactive method and electronic device.
    Type: Application
    Filed: November 21, 2018
    Publication date: October 14, 2021
    Inventors: Le XU, Pu CHENG, Xi WANG, Jiawei GU
  • Publication number: 20210160168
    Abstract: This application provides a path switching method and a related apparatus. In the path switching process, an ECMP table includes a first ECMP index of a first path group and a second ECMP index of a second path group; when all paths in the first path group have failed, a path group identifier corresponding to the first ECMP index may be changed from valid to invalid in the ECMP table, indicating that all paths in the first path group are unavailable. In this case, a path group identifier corresponding to the second ECMP index is valid, indicating that the second path group includes an available path, thereby completing switching between an active path and a standby path. In this process, only an identifier corresponding to the ECMP index needs to be updated, and therefore, the time consumed is relatively short, and the path switching delay can be effectively reduced.
    Type: Application
    Filed: November 20, 2020
    Publication date: May 27, 2021
    Inventors: Dongdong LI, Pu CHENG, Ying XIE
  • Patent number: 10764085
    Abstract: A switch receives a first packet, where the first packet includes a source media access control MAC address. The switch obtains a first flapping count corresponding to the source MAC address. The switch determines, based on the first flapping count, whether a loop failure occurs in a network in which the switch is located. When the loop failure occurs in the network in which the switch is located, the switch obtains a flapping port set corresponding to the source MAC address. The switch determines a primary port in the plurality of ports, where the primary port is a port that must be suppressed. The switch enables a flooding suppression function on the primary port, where the flooding suppression function is used to suppress forwarding of a received flooding packet by the primary port.
    Type: Grant
    Filed: June 5, 2019
    Date of Patent: September 1, 2020
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Ying Xie, Shaoqi Zhao, Pu Cheng
  • Publication number: 20190288871
    Abstract: A switch receives a first packet, where the first packet includes a source media access control MAC address. The switch obtains a first flapping count corresponding to the source MAC address. The switch determines, based on the first flapping count, whether a loop failure occurs in a network in which the switch is located. When the loop failure occurs in the network in which the switch is located, the switch obtains a flapping port set corresponding to the source MAC address. The switch determines a primary port in the plurality of ports, where the primary port is a port that must be suppressed. The switch enables a flooding suppression function on the primary port, where the flooding suppression function is used to suppress forwarding of a received flooding packet by the primary port.
    Type: Application
    Filed: June 5, 2019
    Publication date: September 19, 2019
    Inventors: Ying Xie, Shaoqi Zhao, Pu Cheng
  • Patent number: 10079781
    Abstract: A data plane of a first network device receives a first packet sent by a multi-homing access device, sends the first packet to a control plane of the first network device, adds an MC-LAG identifier to the first packet to obtain a second packet, and sends the second packet to a data plane of a second network device through a data forwarding path. The control plane generates a forwarding entry according to an ingress port of the first packet on the first network device and the first packet, updates a first forwarding table on the control plane according to the forwarding entry, and sends the forwarding entry to the data plane of the first network device. The data plane of the first network device updates a second forwarding table on the data plane of the first network device according to the forwarding entry.
    Type: Grant
    Filed: February 14, 2017
    Date of Patent: September 18, 2018
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Pu Cheng, Yinqiao Xie
  • Patent number: 10050877
    Abstract: The present application discloses a packet forwarding method and apparatus. An access device receives a first packet, where the first packet is an Ethernet packet, searches an equal-cost multi-path forwarding entry for a matched equal-cost path according to a destination MAC address of the Ethernet packet, where the equal-cost multi-path forwarding entry includes: a virtual MAC address corresponding to a gateway aggregation group, an identifier of each gateway device in the gateway aggregation group, and an outbound interface corresponding to the identifier of each gateway device, where the identifier is used to uniquely identify a gateway device in a large layer 2 network; and if N matched equal-cost paths are found, encapsulates the first packet into a second packet according to a first path in the N matched equal-cost paths, and forwards the second packet according to an outbound interface of the first path.
    Type: Grant
    Filed: May 25, 2016
    Date of Patent: August 14, 2018
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Pu Cheng, Guangrui Wu, Qinfeng Gu
  • Publication number: 20170163572
    Abstract: A data plane of a first network device receives a first packet sent by a multi-homing access device, sends the first packet to a control plane of the first network device, adds an MC-LAG identifier to the first packet to obtain a second packet, and sends the second packet to a data plane of a second network device through a data forwarding path. The control plane generates a forwarding entry according to an ingress port of the first packet on the first network device and the first packet, updates a first forwarding table on the control plane according to the forwarding entry, and sends the forwarding entry to the data plane of the first network device. The data plane of the first network device updates a second forwarding table on the data plane of the first network device according to the forwarding entry.
    Type: Application
    Filed: February 14, 2017
    Publication date: June 8, 2017
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Pu CHENG, Yinqiao XIE
  • Publication number: 20160269284
    Abstract: The present application discloses a packet forwarding method and apparatus. An access device receives a first packet, where the first packet is an Ethernet packet, searches an equal-cost multi-path forwarding entry for a matched equal-cost path according to a destination MAC address of the Ethernet packet, where the equal-cost multi-path forwarding entry includes: a virtual MAC address corresponding to a gateway aggregation group, an identifier of each gateway device in the gateway aggregation group, and an outbound interface corresponding to the identifier of each gateway device, where the identifier is used to uniquely identify a gateway device in a large layer 2 network; and if N matched equal-cost paths are found, encapsulates the first packet into a second packet according to a first path in the N matched equal-cost paths, and forwards the second packet according to an outbound interface of the first path.
    Type: Application
    Filed: May 25, 2016
    Publication date: September 15, 2016
    Inventors: Pu CHENG, Guangrui WU, Qinfeng GU
  • Patent number: 9357343
    Abstract: A method of operation of a navigation system includes: generating a time fence with a control unit based on a provider location relative to a travel waypoint; generating a notification based on the time fence meeting or below a tolerable time threshold; and communicating the notification based on a delivery type for providing on a device.
    Type: Grant
    Filed: July 22, 2014
    Date of Patent: May 31, 2016
    Assignee: TELENAV, INC.
    Inventors: Pu Cheng, Feng Guo
  • Patent number: 9323337
    Abstract: A system and method for gesture spotting and recognition are provided. Systems and methods are also provided employing Hidden Markov Models (HMM) and geometrical feature distributions of a hand trajectory of a user to achieve adaptive gesture recognition. The system and method provide for acquiring a sequence of input images of a specific user and recognizing a gesture of the specific user from the sequence of input images based on a gesture model and geometrical features extracted from a hand trajectory of the user. State transition points of the gesture model are detected and the geometrical features of the hand trajectory of the user are extracted based on the relative positions of the detected state transition points and a starting point of the gesture. The system and method further provide for adapting the gesture model and geometrical feature distribution for the specific user based on adaptation data.
    Type: Grant
    Filed: December 29, 2010
    Date of Patent: April 26, 2016
    Assignee: Thomson Licensing
    Inventors: Jie Zhou, Pu Cheng
  • Publication number: 20160029156
    Abstract: A method of operation of a navigation system includes: generating a time fence with a control unit based on a provider location relative to a travel waypoint; generating a notification based on the time fence meeting or below a tolerable time threshold; and communicating the notification based on a delivery type for providing on a device.
    Type: Application
    Filed: July 22, 2014
    Publication date: January 28, 2016
    Inventors: Pu Cheng, Feng Guo
  • Publication number: 20130294651
    Abstract: A system and method for gesture spotting and recognition are provided. Systems and methods are also provided employing Hidden Markov Models (HMM) and geometrical feature distributions of a hand trajectory of a user to achieve adaptive gesture recognition. The system and method provide for acquiring a sequence of input images of a specific user and recognizing a gesture of the specific user from the sequence of input images based on a gesture model and geometrical features extracted from a hand trajectory of the user. State transition points of the gesture model are detected and the geometrical features of the hand trajectory of the user are extracted based on the relative positions of the detected state transition points and a starting point of the gesture. The system and method further provide for adapting the gesture model and geometrical feature distribution for the specific user based on adaptation data.
    Type: Application
    Filed: December 29, 2010
    Publication date: November 7, 2013
    Applicant: THOMSON LICENSING
    Inventors: Jie Zhou, Pu Cheng
  • Patent number: 5372348
    Abstract: An inclined book holder comprises a crenelated metal strip having an inclined support bar and a roughly S shaped clamping portion adjoined therewith, a pair of lateral members selectively positionable along the support bar, and a cross member also adjustably positionable therealong. The S shaped clamping portion defines a pair of opposed clamps carrying a pair of thumbscrews engaged through respective upper and lower plates thereof. A plurality of holes are formed along the support member for the positioning of the lateral members and cross member. The pivot ends of each lateral member is releasably securable to a selected hole on the support member using a nut and bolt. The cross member can likewise be positioned on the support member with an adjustable orientation therewith.
    Type: Grant
    Filed: May 19, 1992
    Date of Patent: December 13, 1994
    Inventor: Chung-Pu Cheng
  • Patent number: D647070
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: October 18, 2011
    Assignee: Lite-On Technology Corp.
    Inventors: Chien-Yu Huang, Pu-Cheng Yeh, Chen-Chi Tseng, Zhi-Yuan Liang
  • Patent number: D647864
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: November 1, 2011
    Assignee: Lite-On Technology Corp.
    Inventors: Chien-Yu Huang, Pu-Cheng Yeh, Chen-Chi Tseng, Zhi-Yuan Liang