This is a brief excerpt from PetaPixel
The “flash units” found on the backs of smartphones may be getting more powerful, but the general idea has largely remained the same: use a powerful LED light that can illuminate a scene when you need a little extra light. The power output doesn’t really stack up to the flashes found on compact cameras, but Google has one solution for making the flash a bit brighter.
In a recently published patent, the company outlines the idea of placing multiple LED flashes on smartphones, perhaps in a ring around the camera unit.Patent #8,363,157, titled “Mobile communication device with multiple flashpoints“, has the following description:
[...] a camera lens in an aperture in the housing and arranged on a first side of the wireless communication device and located at least partially in the housing, and serving as a centerpoint for an intersection of a pair of axes that define four quadrants; and a plurality of flash generating devices on the first side of, and on the outer surface of, the wireless communication device, two of the flash generating devices located in quadrants that are positioned opposite of, and not adjacent to, each other.
The document then goes on to show/describe a …
By: Michael Zhang
via planet5D pinterest news http://pins.planet5d.com/google-patent-shows-multiple-led-flash-units-on-back-of-smartphone/
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