Apple researches self-cleaning technology to improve 'Apple Glass' experience

Future head-mounted displays, such as "Apple Glass", may automatically remove dust that blocks the wearer's view.

If you wear glasses and you also have a cloth that you use to clean them over and over again, you may still need to wipe down your Apple Glass. However, a newly disclosed patent application suggests that Apple is looking to keep the inside of its devices clean on its own.

The newly granted patent "Particle Control for Head-Mounted Devices" discusses how the device itself can remove dust or other debris from what Apple calls an "optical module."

"The quality of the view provided by the optical module may depend on the clarity of the optical path between the image source and the user's eyes," the patent application says.

"For example, particles (e.g., dust, debris, foreign objects, and/or other materials) along the optical path may obstruct, distort, and/or otherwise adversely affect the view provided to the user. ," it continued.

"In particular, where the display element includes a high-resolution display, such particles on the surface of the display element may block entire pixels and/or multiple pixels, thereby rendering the image transmitted to the user inconsistent with the Changes in format are expected," Apple said.

According to Apple, this issue will only increase "over the life of the headset." It can occur even if the device is "sealed to prevent and/or limit the entry of essentially all particles from the external environment."

Over time, "degradation, erosion, friction, wear and/or aging of components" may mean "particles can migrate" or "accumulate on the display element." Apple's proposal is that the device itself would remove dust, capturing "particles so that they do not interfere with the user's viewing of and/or through the optics." One way this can be achieved is through vibration.

"For example, the display element and/or another optical element may be moved in a manner that releases particles on its viewing surface," the patent application says. "The optical module can include a particle-retaining element that firmly retains particles, keeping them out of the optical path."

Thus, "Apple Glass" can shake off these dust particles and collect them To a safe place out of sight of the wearer. This vibration can be done automatically when the device detects a problem or the wearer chooses to use it.

The patent is attributed to five inventors, including Ivan S. Maric. His previous work for Apple included designing how the MacBook Pro senses its environment, HomePod style.

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