Someone has developed a camera that creates three dimensional projections of the images or videos that it captures. My question is whether this would actually help blind people or not?

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There is a viewfinder meant to be held up to one eye. I assume that this is for those who can see, so that they can capture pictures for the blind. It has a hand strap on the right side, and the three dimensional projection is on the left side of the camera. The width and depth of the camera are similar to other handheld video cameras. The height of the camera is larger due to the projection screen. The projection screen is circular and its diameter seems to be between the length of a human hand and the height of a human face. The projection changes in real time as the subject or camera moves.

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The three dimensional projection appears similar to a nineteen eighties invention called a Pin Art or a Pin-screen. A Pin-screen is made of a rectangular, two dimensional array of pins that are held partially in place. A Pin-screen is operated while the pins are horizontally oriented. When a three dimensional object, such as ones hand, is pressed to one side of the device, it pushes the pins towards the other side. A three dimensional copy of the surface pressed against it remains. The Pin-screen is reset by tilting it such that gravity draws all the pins back to the starting position. The camera in question appears to use something like a circular Pin-screen whose pins are controlled electronically. The projection can be fairly detailed, depending on the subject and how close the subject is. For example: a close-up of a human face will display the main facial features in the projection.

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At the very end of this post there is a link to the post that inspired my question. The post includes a link to an animated picture that displays and describes the device, in case you wish to show it to a sighted person. Thanks for your responses!

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