Patents by Inventor Hongyan CAO

Hongyan 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).

  • DEVICE AND METHOD FOR DETECTING SOIL NUTRIENTS ON SITE AND MICROFLUIDIC CHIP
    Publication number: 20240125757
    Abstract: A device for detecting soil nutrients on site, including an extracting grid, an on-site real-time detection assembly and a transfer assembly for transferring a soil extract from the extracting grid to the on-site real-time detection assembly. A soil nutrient detection method using the device and a microfluidic chip are also provided. The microfluidic chip includes a cover plate and a base plate. The base plate includes a soil extract feeding groove, a quantitative feeding groove, a reagent storage groove, and a serpentine groove.
    Type: Application
    Filed: December 26, 2023
    Publication date: April 18, 2024
    Inventors: Rujing WANG, Yongjia CHANG, Xiangyu CHEN, Qinwen LU, Jiangning CHEN, Qiao CAO, Yang LIU, Xiaoyu ZHANG, Jiahao XIAO, Hongyan GUO, Dapeng WANG
  • Camera auto-focusing optimization method and camera
    Patent number: 10044931
    Abstract: An auto-focusing optimization method for a camera and a camera are provided. The auto-focusing optimization method for a camera includes: shooting, in an focusing manner, at least the first image and the second image after the camera is started; synthesizing the first and the second image; and displaying an image after synthesis processing. The above scheme is capable of optimizing an image shot in a focusing manner and improving the definition of the image.
    Type: Grant
    Filed: October 23, 2014
    Date of Patent: August 7, 2018
    Assignee: XI'AN ZHONGXING NEW SOFTWARE CO., LTD.
    Inventor: Hongyan Cao
  • Camera Auto-Focusing Optimization Method and Camera
    Publication number: 20170150043
    Abstract: An auto-focusing optimization method for a camera and a camera are provided. The auto-focusing optimization method for a camera includes: shooting, in an focusing manner, at least the first image and the second image after the camera is started; synthesizing the first and the second image; and displaying an image after synthesis processing. The above scheme is capable of optimizing an image shot in a focusing manner and improving the definition of the image.
    Type: Application
    Filed: October 23, 2014
    Publication date: May 25, 2017
    Applicant: ZTE Corporation
    Inventor: Hongyan CAO