17809520. DETERMINING CHARGE ON A FACIAL-TRACKING SENSOR simplified abstract (Microsoft Technology Licensing, LLC)

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DETERMINING CHARGE ON A FACIAL-TRACKING SENSOR

Organization Name

Microsoft Technology Licensing, LLC

Inventor(s)

Charles Walter Boecker of Ames IA (US)

Jouya Jadidian of Los Gatos CA (US)

Barry Thompson of Menlo Park CA (US)

Niranjan Achugundla Puttaswamy of San Jose CA (US)

Lawrence Albert Prather of Boulder Creek CA (US)

DETERMINING CHARGE ON A FACIAL-TRACKING SENSOR - A simplified explanation of the abstract

This abstract first appeared for US patent application 17809520 titled 'DETERMINING CHARGE ON A FACIAL-TRACKING SENSOR

Simplified Explanation

The abstract describes a patent application that relates to determining capacitance based on the charge accumulated on a sense capacitor electrode. The invention is a head-mounted device that includes a facial-tracking sensor, a controller, and a charge sensing circuit connected to the sensor. The sensor has a sense capacitor electrode that is positioned near the surface of a face and forms a capacitance based on the distance between the electrode and the face. The controller applies a reference voltage to the electrode, and the charge sensing circuit determines the capacitance by measuring the amount of charge accumulated on the electrode due to the reference voltage.

  • The invention is a head-mounted device with a facial-tracking sensor.
  • The sensor has a sense capacitor electrode that forms a capacitance based on the distance between the electrode and the face.
  • The controller applies a reference voltage to the electrode.
  • The charge sensing circuit determines the capacitance by measuring the charge accumulated on the electrode due to the reference voltage.

Potential Applications

  • Facial recognition technology
  • Virtual reality and augmented reality applications
  • Gaming and interactive experiences
  • Biometric authentication systems

Problems Solved

  • Accurate measurement of capacitance based on the charge accumulated on a sense capacitor electrode
  • Improved facial tracking and sensing capabilities
  • Enhanced user experience in various applications

Benefits

  • Accurate and reliable determination of capacitance
  • Improved facial tracking and sensing accuracy
  • Enhanced user experience in facial recognition, virtual reality, and gaming applications
  • Potential for more secure and efficient biometric authentication systems


Original Abstract Submitted

Examples are disclosed that relate to determining a capacitance based on a charge accumulated on a sense capacitor electrode. One example provides a head-mounted device comprising a facial-tracking sensor, a controller, and a charge sensing circuit connected to the facial-tracking sensor. The facial-tracking sensor comprises a sense capacitor electrode configured to be positioned proximate to a surface of a face and form a capacitance based upon a distance between the sense capacitor electrode and the surface of the face, and the controller configured to apply a reference voltage to the sense capacitor electrode. The charge sensing circuit is configured to determine the capacitance of the sense capacitor electrode by determining an amount of charge accumulated on the sense capacitor electrode resulting from the reference voltage.

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