On 03/03/2016 21:50, jim bell wrote:
>
> >From: "[email protected]" <[email protected]>>Here's another one,
> http://www.nauto.com, which I mention as the
>> recording of license plates and everything else in the surround,
> Nearly 20 years ago, I first heard of "3M Louvered film", thin plastic sheets
> with opaque black plastic molded perpendicularly to the plane of the sheet.
> It would be very useful to help block the viewing of license plates from the
> side of the road, or above on poles or overpasses. Google-search '3M
> louvered film". http://www.apioptics.com/pdf/3M-Display-Film-Summary.pdf
> http://www.freepatentsonline.com/3919559.html
> http://www.freepatentsonline.com/EP0466460A2.html Two sheets installed
> perpendicularly to each other would render a license plate readable only from
> a limited viewing cone behind, or in front of, the car. Jim Bell
>
>
I would think that is illegal in most countries.
