17914983. Augmented Reality Device simplified abstract (HUAWEI TECHNOLOGIES CO., LTD.)

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Augmented Reality Device

Organization Name

HUAWEI TECHNOLOGIES CO., LTD.

Inventor(s)

Pengpeng Zhang of Dongguan (CN)

Shuaishuai Zhu of Dongguan (CN)

Xiaowen Zheng of Dongguan (CN)

Augmented Reality Device - A simplified explanation of the abstract

This abstract first appeared for US patent application 17914983 titled 'Augmented Reality Device

Simplified Explanation

The patent application describes an augmented reality device that uses a combiner, laser projector, and filter to enhance the user's visual experience. Here are the key points:

  • The device includes a combiner, laser projector, and filter.
  • The laser projector emits a laser beam.
  • The filter is mounted on the outer surface of the combiner.
  • The filter has a blocking band that blocks a specific band of the laser beam.
  • The combiner emits a part of the laser beam from its inner surface and another part from its outer surface.
  • The filter blocks the part of the laser beam emitted from the outer surface of the combiner.
  • The combiner allows ambient light with wavelengths outside the blocking band to pass through the filter.
  • The combiner emits a part of the ambient light that enters it from its inner surface.

Potential applications of this technology:

  • Augmented reality devices and headsets
  • Virtual reality devices
  • Gaming and entertainment industry
  • Industrial and medical training simulations
  • Navigation and mapping systems

Problems solved by this technology:

  • Enhances the user's visual experience by combining laser projections and ambient light
  • Reduces unwanted laser beam emissions from the outer surface of the combiner
  • Allows the user to see both virtual and real-world objects simultaneously

Benefits of this technology:

  • Improved clarity and visibility of augmented reality content
  • Reduced eye strain and fatigue for users
  • Enhanced immersion and realism in virtual environments
  • Increased safety by minimizing laser beam exposure to the surroundings


Original Abstract Submitted

An augmented reality device, including a combiner, a laser projector, and a filter, where the laser projector is configured to emit a laser beam, the filter is mounted on the outer surface of the combiner, and a blocking band of the filter blocks a band of the laser beam. The combiner is configured to emit a part of the laser beam from the inner surface of the combiner, to emit a part of the laser beam from the outer surface of the combiner. The filter is configured to block the part of the laser beam emitted from the outer surface of the combiner, and the combiner is further configured to emit, from the inner surface of the combiner, after a part of ambient light whose wavelength is outside the blocking band passes through the filter, a part of the ambient light that enters the combiner.

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