Patents by Inventor Jian Cao

Jian Cao 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).

  • Method and apparatus for double-sided incremental flanging
    Patent number: 11338348
    Abstract: Flanges formed on sheet metal parts to increase the part stiffness or create mating surface for further assembly are created in an incremental sheet forming process using forming tool and supporting tool that move along a specified tool path so as to gradually deform a peripherally-clamped sheet metal work piece into the desired geometry. With two universal tools moving along the designed toolpath on the both sides of the part, the process is very flexible. Process time is can also be reduced by utilizing an accumulative double-sided incremental hole-flanging strategy, in which the flange is formed in only one step.
    Type: Grant
    Filed: May 14, 2018
    Date of Patent: May 24, 2022
    Assignees: NORTHWESTERN UNIVERSITY, SHANGHAI JIAO TONG UNIVERSITY
    Inventors: Huan Zhang, Jian Cao, Kornel Ehmann, Jun Chen
  • Cardiac electrical signal gross morphology-based noise detection for rejection of ventricular tachyarrhythmia detection
    Patent number: 11337636
    Abstract: A medical device system, such as an extra-cardiovascular implantable cardioverter defibrillator ICD, senses R-waves from a first cardiac electrical signal by a first sensing channel and stores a time segment of a second cardiac electrical signal in response to each sensed R-wave. The medical device system determines a morphology parameter correlated to signal noise from time segments of the second cardiac electrical signal, detects a noisy signal segment based on the signal morphology parameter; and withholds detection of a tachyarrhythmia episode in response to detecting a threshold number of noisy signal segments.
    Type: Grant
    Filed: February 17, 2020
    Date of Patent: May 24, 2022
    Assignee: Medtronic, Inc.
    Inventors: Xusheng Zhang, Jian Cao, Saul E. Greenhut
  • On-wafer S-parameter calibration method
    Patent number: 11340286
    Abstract: The present application is applicable to the technical field of terahertz on-wafer measurement, and provides a new on-wafer S-parameter calibration method and device. The method includes: performing two-port calibration on a waveguide end face when a probe is not connected to a test system; performing one-port calibration on each of two probe end faces when the probe is connected to the test system; and fabricating a crosstalk calibration standard equal to a device under test in length on a substrate of the device under test, and correct a crosstalk error of the test system according to the crosstalk calibration standard. The present application can realize accurate characterization and correction of crosstalk error in a high-frequency on-wafer S-parameter calibration process, and improve the accuracy of error correction in high-frequency on-wafer S-parameter measurement.
    Type: Grant
    Filed: December 29, 2018
    Date of Patent: May 24, 2022
    Assignee: THE 13TH RESEARCH INSTITUTE OF CHINA ELECTRONICS
    Inventors: Aihua Wu, Chong Li, Chen Liu, Yibang Wang, Xingchang Fu, Faguo Liang, Xiuwei Tian, Yanan Liu, Jian Cao
  • Recovery of cardiac event sensing and rhythm detection following electrical stimulation pulse delivery
    Patent number: 11331035
    Abstract: A medical device is configured to deliver an electrical stimulation pulse to a heart of a patient, determine a pre-stimulation cardiac event amplitude prior to delivering the electrical stimulation pulse and adjust a cardiac event sensing threshold according to a first post-stimulation decay sequence in response to the electrical stimulation pulse delivery. The first post-stimulation decay sequence is controlled by a sensing module of the medical device according to a first set of sensing control parameters including at least one sensing control parameter based on the pre-stimulation cardiac event amplitude.
    Type: Grant
    Filed: August 5, 2019
    Date of Patent: May 17, 2022
    Assignee: MEDTRONIC, INC.
    Inventors: Robert W. Stadler, Jian Cao
  • In-Situ Springback Compensation In Incremental Sheet Forming
    Publication number: 20220118501
    Abstract: Novel systems and methods for an incremental forming process to manufacture a product are disclosed herein. The system and method generally involves continuously modifying the toolpath in real-time based upon the forming force of the forming tool compared to a predicted springback error established offline from a series of simplified simulations. The system and method disclosed herein are effective to form products with complex geometries and minimizes the costs and time requirements associated with prior art techniques.
    Type: Application
    Filed: February 14, 2020
    Publication date: April 21, 2022
    Inventors: Huaqing Ren, Jiaxi Xie, Shuheng Liao, Dohyun Leem, Jian Cao, Kornel F. Ehmann
  • Electronic product packaging system
    Patent number: 11299308
    Abstract: An electronic product packaging system includes a robot on which a vacuum suction device adapted to pick up a packaging box and a gripper adapted to grab an electronic product are disposed, a packaging box loading platform adapted to load a pile of a plurality of the packaging boxes stacked together, a product loading device having a loading groove adapted to load a row of a plurality of the electronic products, and a packaging platform carrying the electronic products and the packaging boxes. The robot is configured to pick up the packaging box from the packaging box loading platform and place the packaging box on the packaging platform with the vacuum suction device. The robot is configured to grab the electronic product from the product loading device and place and pack the electronic product into the packaging box on the packaging platform with the gripper.
    Type: Grant
    Filed: December 11, 2020
    Date of Patent: April 12, 2022
    Assignees: TE Connectivity Services GmbH, Tyco Electronics (Shanghai) Co. Ltd.
    Inventors: Jian Cao, Lvhai Hu, Dandan Zhang, Fengchun Xie, Yun Liu, Yingcong Deng, Xiaochen Yu, Roberto Francisco-Yi Lu
  • CONDUCTION SYSTEM PACING WITH ADAPTIVE TIMING TO MAINTAIN AV AND INTERVENTRICULAR SYNCHRONY
    Publication number: 20220088390
    Abstract: An implantable medical device system is configured to generate signals representing activity of a heart of a patient; determine, based on the signals, an intrinsic delay of the heart of the patient; determine whether the intrinsic delay is indicative of a first-degree heart block being present in the heart of the patient; determine a patient-specific timing regime for conduction system pacing based on whether the intrinsic delay is indicative of the first-degree heart block being present in the heart of the patient; and administer cardiac pacing to a native conduction system of the heart of the patient based on the timing regime.
    Type: Application
    Filed: September 7, 2021
    Publication date: March 24, 2022
    Inventors: Robert W. Stadler, Subham Ghosh, Jian Cao, Andrea Grammatico, Sarah Meloni, Xiaohong Zhou
  • HIS-PURKINJE SYSTEM CAPTURE DETECTION
    Publication number: 20220080210
    Abstract: A medical device is configured to receive a cardiac signal and determine a morphology matching score from the cardiac signal and a capture detection morphology template that corresponds to a first type of cardiac pacing capture that includes capture of at least a first portion of the His-Purkinje system. The device is configured to detect a second type of cardiac pacing capture in response to the morphology matching score being less than the first match threshold. The second type of cardiac pacing capture is different than the first type of cardiac pacing capture and may include capture of the ventricular myocardium and/or a second portion of the His-Purkinje system different than the first portion.
    Type: Application
    Filed: November 22, 2021
    Publication date: March 17, 2022
    Inventors: Jian CAO, Wade M. DEMMER, Elizabeth A. MATTSON, Todd J. SHELDON, Xiaohong ZHOU
  • Calibration method, system and device of on-wafer s parameter of vector network analyzer
    Patent number: 11275103
    Abstract: The disclosure provides a calibration method, a system and a device of an on-wafer S parameter of a vector network analyzer. The method comprises the steps of: acquiring a first parameter of a first crosstalk calibration piece measured by the vector network analyzer; obtaining a main crosstalk error term based on the first parameter of the first crosstalk calibration piece and a calibration parameter of the first crosstalk calibration piece; acquiring a second parameter of a second crosstalk calibration piece measured by the vector network analyzer based on the main crosstalk error term; and obtaining a secondary crosstalk error term based on the second parameter of the second crosstalk calibration piece and a calibration parameter of the second crosstalk calibration piece, wherein the main crosstalk error term and the secondary crosstalk error term are used for calibrating the vector network analyzer.
    Type: Grant
    Filed: September 19, 2020
    Date of Patent: March 15, 2022
    Assignee: The 13th Research Institute of China Electronics Technology Group Corporation
    Inventors: Yibang Wang, Aihua Wu, Faguo Liang, Chen Liu, Xuefeng Zou, Zhifu Hu, Jian Cao, Ye Huo
  • IMPLANTABLE MEDICAL DEVICE WITH PACING CAPTURE CLASSIFICATION
    Publication number: 20220062645
    Abstract: This disclosure is directed to devices and techniques for classifying of pacing captures to evaluate effectiveness of pacing by a pacing device, such as an implantable medical device (IMD). An example system includes stimulation circuitry to generate a pacing stimulus, sensing circuitry to sense an evoked response after the pacing stimulus, and processing circuitry. The processing circuitry determines classification features from the evoked response and applies the classification features to a classification model, the classification model generated by a machine learning algorithm using one or more test sets comprising a plurality of sample evoked responses for each of a plurality of classifications. Based on the output of the model, the processing circuitry classifies the evoke response as one of the plurality of classifications.
    Type: Application
    Filed: August 12, 2021
    Publication date: March 3, 2022
    Inventors: Jian Cao, Elizabeth A. Mattson, Todd J. Sheldon, Xiaohong Zhou, Wade M. Demmer
  • Cable Bending System
    Publication number: 20220023932
    Abstract: A cable bending system comprises at least one bending module. The bending module includes an active actuator having a first body, and an active rod mounted in the first body. The active rod is movable in a first direction perpendicular to an axial direction of a cable to be bent. A passive actuator of the bending module includes a second body connected to the first body and defines a shaping cavity open to the active rod. The active rod pushes a portion of the cable into the shaping cavity of the second body in the first direction for bending the portion of the cable.
    Type: Application
    Filed: July 22, 2021
    Publication date: January 27, 2022
    Applicants: Tyco Electronics (Shanghai) Co. Ltd., TE Connectivity Services GmbH
    Inventors: Zongjie Tao, Jian Cao, Lvhai Hu, Dandan Zhang, Roberto Francisco-Yi Lu
  • PREDICTION METHOD, ENCODER, DECODER AND COMPUTER STORAGE MEDIUM
    Publication number: 20220014754
    Abstract: Disclosed are a prediction method, an encoder, a decoder, and a computer storage medium. The method is applied to the encoder. The method comprises: creating a candidate list corresponding to a coding mode for the coding mode used by a coding block in an original picture, wherein the coding mode comprises a first affine motion mode or a second affine motion mode, a reference block in the candidate list is spatially adjacent to the coding block, and the reference block is coded using the first affine motion mode or the second affine motion mode; performing affine motion estimation on the coding block according to the candidate list corresponding to the coding mode to obtain coding parameters corresponding to the coding block; and performing predictive coding on the coding block on the basis of the coding parameters corresponding to the coding block.
    Type: Application
    Filed: September 7, 2021
    Publication date: January 13, 2022
    Inventors: FAN LIANG, SIQI CAO, JIAN CAO
  • NEW ON-WAFER S-PARAMETER CALIBRATION METHOD
    Publication number: 20220003811
    Abstract: The present application is applicable to the technical field of terahertz on-wafer measurement, and provides a new on-wafer S-parameter calibration method and device. The method includes: performing two-port calibration on a waveguide end face when a probe is not connected to a test system; performing one-port calibration on each of two probe end faces when the probe is connected to the test system; and fabricating a crosstalk calibration standard equal to a device under test in length on a substrate of the device under test, and correct a crosstalk error of the test system according to the crosstalk calibration standard. The present application can realize accurate characterization and correction of crosstalk error in a high-frequency on-wafer S-parameter calibration process, and improve the accuracy of error correction in high-frequency on-wafer S-parameter measurement.
    Type: Application
    Filed: December 29, 2018
    Publication date: January 6, 2022
    Inventors: Aihua WU, Chong LI, Chen LIU, Yibang WANG, Xingchang FU, Faguo LIANG, Xiuwei TIAN, Yanan LIU, Jian CAO
  • BOVINE ROTAVIRUS FUSION PROTEIN AND CALF DIARRHEA MULTIVALENT VACCINE
    Publication number: 20220002350
    Abstract: Provided are a bovine rotavirus fusion protein and calf diarrhea multivalent vaccine. The bovine rotavirus fusion protein contains a VP6 fragment, wherein the VP6 fragment contains an amino acid sequence as represented by SEQ ID NO. 4, and at least one loop region of the following (a)˜(c) is substituted with an antigenic epitope derived from bovine coronavirus and/or an antigenic epitope derived from E. coli: (a) amino acid residues of sites 168-177, with an amino acid sequence as represented by SEQ ID NO. 1; (b) amino acid residues of sites 194-205, with an amino acid sequence as represented by SEQ ID NO. 2; and (a) amino acid residues of sites 296-316, with an amino acid sequence as represented by SEQ ID NO. 3, The bovine rotavirus fusion protein contains a plurality of antigenic epitopes, and can enable a host to generate a plurality of antibodies after immunizing the host.
    Type: Application
    Filed: April 16, 2021
    Publication date: January 6, 2022
    Inventors: Sun He, Yiping Pan, Guoqing Zhang, Pengxian Yan, Na Xi, Miaomiao Guo, Shengdong Xiao, Tianzeng Li, Rui Han, Yumeng Wang, Jiubin Du, Pei Zheng, Jian Cao
  • Auxiliary carrier, carrier assembly and carrying apparatus
    Patent number: 11214442
    Abstract: An auxiliary carrier includes a first base, a first supporting base mounted on the first base and having a plurality of receiving grooves receiving a plurality of components of an electrical connector, and a first coupling portion mounted on the first base or the first supporting base. The first coupling portion is adapted to be coupled with a second coupling portion of a main carrier so that the auxiliary carrier is movable along with the main carrier.
    Type: Grant
    Filed: October 13, 2020
    Date of Patent: January 4, 2022
    Assignees: Tyco Electronics (Shanghai) Co. Ltd., TE Connectivity Services GmbH, Kunshan League Automechanism Co., Ltd.
    Inventors: An Yang, Lvhai Hu, Dandan Zhang, Roberto Francisco-Yi Lu, Jian Cao, Yun Liu, Yuting He, Haidong Wu, Hui Xiao
  • SUPRAVENTRICULAR TACHYARRHYTHMIA DISCRIMINATION
    Publication number: 20210379375
    Abstract: Techniques are described for discriminating SVT and, in particular, rapidly conducting AF. The techniques include detecting an onset of a fast rate of ventricular events sensed from a cardiac electrical signal and detecting a pause in the fast rate of ventricular sensed events. A threshold number of ventricular event intervals required to detect a ventricular tachyarrhythmia is detected with each of the threshold number of ventricular event intervals being less than a tachyarrhythmia detection interval. Detection of the ventricular tachyarrhythmia and an electrical stimulation therapy for treating the ventricular tachyarrhythmia are withheld in response to at least the pause being detected.
    Type: Application
    Filed: August 20, 2021
    Publication date: December 9, 2021
    Inventors: Xusheng ZHANG, Jian Cao
  • VENTRICULAR ASSIST SYSTEM AND METHOD
    Publication number: 20210339020
    Abstract: Various embodiments of a ventricular assist system and a method of using such system are disclosed. The system includes a pump adapted to be connected to a heart of a patient, an outflow cannula including a first end adapted to be connected to an outlet of the pump and a second end adapted to be connected to an artery of the patient, and an electrode disposed on an outer surface of the outflow cannula and adapted to be disposed adjacent to an exterior wall of the heart. The system further includes a controller electrically connected to the pump and the electrode, where the controller is adapted to provide a pacing signal to the electrode.
    Type: Application
    Filed: March 31, 2021
    Publication date: November 4, 2021
    Inventors: Alan Cheng, Jian Cao, Hai Huang
  • SUBSTITUTED QUINAZOLINES AS MATRIX METALLOPROTEINASE-9 HEMOPEXIN DOMAIN INHIBITORS
    Publication number: 20210309616
    Abstract: Small molecule inhibitors are claimed that selectively target the hemopexin domain of matrix metalloproteinase 9 (MMP-9) and do not inhibit the protease's catalytic functions. A method of treating cancer in a patient in need thereof with the compounds of the invention is also claimed.
    Type: Application
    Filed: June 21, 2021
    Publication date: October 7, 2021
    Inventors: Iwao OJIMA, Vincent ALFORD, Anushree KAMATH, Jian CAO, Xiadong REN, Nicole SAMPSON, Monaf AWWA
  • Automatic thresholds for atrial tachyarrhythmia detection in an implantable medical device
    Patent number: 11134881
    Abstract: A system for detecting an atrial tachyarrhythmia episode includes a medical device having sensing circuitry configured to receive a cardiac electrical signal from electrodes coupled to the medical device and a processor configured to detect an atrial tachyarrhythmia episode in response to a time duration of the cardiac electrical signal classified as an atrial tachyarrhythmia being greater than or equal to a first detection threshold. The processor is configured to determine if detection threshold adjustment criteria are met based on at least the detected first atrial tachyarrhythmia episode and adjust the first detection threshold to a second detection threshold different than the first detection threshold in response to the detection threshold adjustment criteria being met.
    Type: Grant
    Filed: August 5, 2019
    Date of Patent: October 5, 2021
    Assignee: Medtronic, Inc.
    Inventors: Jian Cao, Mark L. Brown, Elise J. Higgins, Paul J. DeGroot
  • Supraventricular tachyarrhythmia discrimination
    Patent number: 11116981
    Abstract: Techniques are described for discriminating SVT and, in particular, rapidly conducting AF. The techniques include detecting an onset of a fast rate of ventricular events sensed from a cardiac electrical signal and detecting a pause in the fast rate of ventricular sensed events. A threshold number of ventricular event intervals required to detect a ventricular tachyarrhythmia is detected with each of the threshold number of ventricular event intervals being less than a tachyarrhythmia detection interval. Detection of the ventricular tachyarrhythmia and an electrical stimulation therapy for treating the ventricular tachyarrhythmia are withheld in response to at least the pause being detected.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: September 14, 2021
    Assignee: Medtronic, Inc.
    Inventors: Xusheng Zhang, Jian Cao