Patents Assigned to SECURE BUBBLE LTD
  • Detection of animate presence with an ultrasonic signal
    Patent number: 9733356
    Abstract: A system for monitoring animate presence, including one or more ultrasonic transducers configured to transmit an ultrasonic signal, one or more ultrasonic receivers configured to receive an echo signal in response to the transmitted ultrasonic signal, an electronic circuit for comparing the transmitted signal to the received echo signal and identify a phase shift between the signals; wherein the electronic circuit identifies animate presence based on the identified phase shift.
    Type: Grant
    Filed: February 17, 2016
    Date of Patent: August 15, 2017
    Assignee: SECURE BUBBLE LTD
    Inventor: Eytan Kydar