... I need to find examples of the resulting page images.
Probably higher resolution and quality than typical scanners. They commonly use inexpensive point-n-shoot cameras. Certain models are easily hacked to trigger both page cameras at the same time.
Was that a typo? Do you really think CCD cameras (even high end ones) are better resolution than scanners? No, that's not true at all.
Take the Canon 5D Mk III 22.3 megapixels. (
http://en.wikipedia.org/wiki/Comparison_of_Canon_EOS_digital_cameras) Resolution is 5760 × 3840 pixels for the image.
Even a cheap A4 scanner, set to only 600 dpi, is 7050 x 4950 pixels (11.75" x 600, x 8.25" x 600)
Set it to 1200 dpi and it's 14,100 x 9,900 pixels per image. 139.6 Megapixels. With absolutely no lens and perspective distortions.
And slightly better scanners, still costing a lot less than high end cameras like the Canon 5D, go to far higher dpi resolutions. Then there's A3 scanners. And above that, map scanners.
It seems to me that not having the book level, so weights can be applied to suit the need, would be a big disadvantage.
The weight of the book holds the pages against the two glass plates in the inverted version.
In the version where the pages face up, that is why they have the glass "V" shape plates that hold the pages flat while imaging.
I don't think you've ever tried scanning books. For starters, the 'weight of the book' very often isn't enough to get the pages flat on the glass. If a bunch of pages have any tendency to bow, it takes a lot of force to hold them flat. With that sloped pyramid design, how are you going to weigh the book down if it needs it (which it will)? Holding it by hand gets stale real fast.
Hence I'm skeptical that a fixed "V" of glass plates will be adequate except in easy cases.
But, like so many things, one never knows for sure until actually trying it. Advertising brochures regardless.