Patents by Inventor Liwei Jiang

Liwei Jiang 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: 11555742
    Abstract: Systems for confocal Raman spectroscopy of points of interest or regions of interest with concurrent imaging are disclosed. The imaging may be used for real time selection of points of interest or regions of interest for Raman spectroscopy and to monitor for unwanted motions of a sample while Raman spectra are acquired. Disclosed embodiments apply Reflectance confocal microscopy (RCM) in a confocal Raman spectroscopy system. A single laser may be used as a light source for both RCM and micro-Raman spectroscopy. A Faraday optical isolator may be applied to extract RCM signals for imaging Systems as described herein have example application for ex vivo sample and in vivo skin measurement.
    Type: Grant
    Filed: September 4, 2019
    Date of Patent: January 17, 2023
    Assignee: Provincial Health Services Authority
    Inventors: Zhenguo Wu, Haishan Zeng, Jianhua Zhao, Liwei Jiang
  • Patent number: 11202202
    Abstract: The present invention relates to an IoT control switch and method based on fingerprint identification permission control, comprising performing user identity and permission verification through fingerprint identification, implementing a MAC layer connectionless communication mechanism between a wire-free fingerprint Wi-Fi IoT switch and a standard Wi-Fi IoT device, and carrying control information for controlling the Wi-Fi IoT device by a privately defined control information element in a unicast packet or broadcast packet without requiring a MAC layer connection; the invention requires little modification, is cost effective to implement, and the data type, manner of acknowledgement, manner of encryption, and different fingerprint security control modes may be freely combined with each other, thereby providing wide applicability.
    Type: Grant
    Filed: March 9, 2018
    Date of Patent: December 14, 2021
    Assignee: Espressif Systems (Shanghai) Co., Ltd.
    Inventors: Rui Zhan, Liwei Jiang, Shi Chen
  • Publication number: 20210255041
    Abstract: Systems for confocal Raman spectroscopy of points of interest or regions of interest with concurrent imaging are disclosed. The imaging may be used for real time selection of points of interest or regions of interest for Raman spectroscopy and to monitor for unwanted motions of a sample while Raman spectra are acquired. Disclosed embodiments apply Reflectance confocal microscopy (RCM) in a confocal Raman spectroscopy system. A single laser may be used as a light source for both RCM and micro-Raman spectroscopy. A Faraday optical isolator may be applied to extract RCM signals for imaging. Systems as described herein have example application for ex vivo sample and in vivo skin measurement.
    Type: Application
    Filed: September 4, 2019
    Publication date: August 19, 2021
    Inventors: Zhenguo WU, Haishan ZENG, Jianhua ZHAO, Liwei JIANG
  • Publication number: 20200112855
    Abstract: The present invention relates to an IoT control switch and method based on fingerprint identification permission control, comprising performing user identity and permission verification through fingerprint identification, implementing a MAC layer connectionless communication mechanism between a wire-free fingerprint Wi-Fi IoT switch and a standard Wi-Fi IoT device, and carrying control information for controlling the Wi-Fi IoT device by a privately defined control information element in a unicast packet or broadcast packet without requiring a MAC layer connection; the invention requires little modification, is cost effective to implement, and the data type, manner of acknowledgement, manner of encryption, and different fingerprint security control modes may be freely combined with each other, thereby providing wide applicability.
    Type: Application
    Filed: March 9, 2018
    Publication date: April 9, 2020
    Inventors: Rui Zhan, Liwei Jiang, Shi Chen
  • Patent number: D1024798
    Type: Grant
    Filed: March 7, 2022
    Date of Patent: April 30, 2024
    Inventor: Liwei Jiang