Patents by Inventor Zhengrong CHENG

Zhengrong 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).

  • Maintenance of a location fingerprint database for an area
    Patent number: 11968591
    Abstract: In a method of maintenance of a location fingerprint database for an area, signal measurement data is collected together with motion sensor data from each of a plurality of portable devices transiting a portion of the area of the location fingerprint database. The motion sensor data is collected by a sensor assembly in each of the plurality of portable devices. Offline non-causal processing is used to process the collected motion sensor data into reference positions associated with the portion of the area. The collected signal measurement data is employed together with the reference positions to update the location fingerprint database.
    Type: Grant
    Filed: January 7, 2020
    Date of Patent: April 23, 2024
    Inventors: Jacques Georgy, Chris Goodall, Gennadii Berkovich, Abdelrahman Ali, Zhengrong Cheng, Salah Abdelnaby
  • MAINTENANCE OF A LOCATION FINGERPRINT DATABASE FOR AN AREA
    Publication number: 20200304953
    Abstract: In a method of maintenance of a location fingerprint database for an area, signal measurement data is collected together with motion sensor data from each of a plurality of portable devices transiting a portion of the area of the location fingerprint database. The motion sensor data is collected by a sensor assembly in each of the plurality of portable devices. Offline non-causal processing is used to process the collected motion sensor data into reference positions associated with the portion of the area. The collected signal measurement data is employed together with the reference positions to update the location fingerprint database.
    Type: Application
    Filed: January 7, 2020
    Publication date: September 24, 2020
    Applicant: InvenSense, Inc.
    Inventors: Jacques GEORGY, Chris GOODALL, Gennadii BERKOVICH, Abdelrahman ALI, Zhengrong CHENG, Salah ABDELNABY