The link is from a study in 1996 by the National Materials Advisory Board. It lays out the entire scanner program, provides analysis of public reaction and how to proceed despite the obstacles. Much of what is outlined here is what has occurred in the TSA roll-out of the NOS.
It is a total of 55 pages and the link is to page 41 where they indicate that the manufacturer's could be held liable if the images were too revealing.
"Passenger screening technologies that reveal personal details may allow individuals to sue for damages, if they believe the information was used "improperly," or the search conducted without sufficient justification or in an excessive manner or scope. Operators of this type of equipment need to be aware of the necessity to protect individual privacy during security screening to minimize this type of action."
http://books.nap.edu/openbook.php?re...d=5116&page=41
If you can't sue TSA, sue L3 and OSI