Patents Examined by Kwand B Yao
  • Data-less clock compensation for ranging
    Patent number: 10848409
    Abstract: Methods for a data-less ranging procedure may include initiating a ranging procedure via a polling message transmitted at a first time and receiving response messages at second and third times. The time intervals between the first and second time and the second and third times may be pre-defined. A time of flight may be calculated based on the pre-defined time intervals and the first, second, and third times.
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: November 24, 2020
    Assignee: Apple Inc.
    Inventors: Alejandro J. Marquez, Shang-Te Yang, Mohit Narang, Indranil S. Sen, Joachim S. Hammerschmidt, Hung Kwan Oscar Au, Dineshan Poopalaratnam