Meta platforms technologies, llc (20240126368). INTERFERENCE PATTERN DETECTION FOR EYE TRACKING IN A HEAD-MOUNTED DEVICE simplified abstract

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INTERFERENCE PATTERN DETECTION FOR EYE TRACKING IN A HEAD-MOUNTED DEVICE

Organization Name

meta platforms technologies, llc

Inventor(s)

Mantas Zurauskas of Redmond WA (US)

James Schloss of Lake Stevens WA (US)

Pavel Trochtchanovitch of Shoreline WA (US)

INTERFERENCE PATTERN DETECTION FOR EYE TRACKING IN A HEAD-MOUNTED DEVICE - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240126368 titled 'INTERFERENCE PATTERN DETECTION FOR EYE TRACKING IN A HEAD-MOUNTED DEVICE

Simplified Explanation

The abstract describes an eye tracking system for head-mounted devices that uses an interference pattern emitter, detector, and processing logic to track eye movements based on light patterns.

  • Interference pattern emitter provides multiple light beams that combine into a light pattern in the eyebox region.
  • Interference pattern detector detects a portion of the light pattern and provides detector data.
  • Processing logic analyzes detector data to identify displacement and orientation characteristics of the interference pattern.

Potential Applications

This technology could be used in virtual reality headsets for more accurate eye tracking, in medical devices for monitoring eye movements, and in research settings for studying visual attention.

Problems Solved

This technology solves the problem of accurately tracking eye movements in head-mounted devices, allowing for more precise control and interaction in virtual environments.

Benefits

The benefits of this technology include improved user experience in virtual reality, enhanced medical diagnostics, and better understanding of visual attention in research studies.

Potential Commercial Applications

Potential commercial applications include integrating this technology into virtual reality headsets, medical devices for eye tracking, and research equipment for studying visual attention.

Possible Prior Art

One possible prior art could be eye tracking systems used in research studies or medical devices, but this specific technology utilizing interference patterns for eye tracking may be a novel innovation.

Unanswered Questions

How does this technology impact user privacy in terms of tracking eye movements?

This article does not address the potential privacy concerns related to tracking eye movements in head-mounted devices.

What are the limitations of this technology in terms of tracking accuracy and reliability?

The article does not discuss the potential limitations of this technology in terms of accurately tracking eye movements in various conditions or environments.


Original Abstract Submitted

an eye tracking system for a head-mounted devices includes an interference pattern emitter, an interference pattern detector, and processing logic. the interference pattern emitter provides at least two light beams that combine into a light pattern in an eyebox region of the head-mounted device. the light pattern includes an interference pattern based on constructive and destructive interference of the at least two light beams. the light detector is configured to detect a portion of the light pattern and provides detector data that is representative of one or more light intensities in the portion of the light pattern. the processing logic is coupled to the light detector to receive the detector data and is configured to identify displacement characteristics of the interference pattern. the processing logic is configured to determine orientation characteristics of an eye in the eyebox region based on the displacement characteristics.