Microsoft filed a patent called “Camera with Adjustable Filter and Active Illumination” to the U.S. Patent and Trademark Office
According to foreign media recently, Microsoft filed a patent called “Camera with Adjustable Filter and Active Illumination” to the U.S. Patent and Trademark Office, which designs a camera that includes an optical filter, and The filter contains a liquid crystal layer.
Microsoft LCD filter camera patent exposure of multiple liquid crystal layers on this filter, can be required to reflect and transmit light Switch between modes. However, this design concept can also be used to create infrared cameras.
The camera can contain a part of the filter for a specific frequency spectrum. For example, an infrared camera can use filters in the infrared and near-infrared bands, or a sensor that prevents part of the band from reaching the camera.
Although the concept described in this patent is very interesting, it is not clear when Microsoft will launch related devices.
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