How can digital camera neutralizing technology prevent unwanted photography?

[Ivan Seeking]

System Blocks Unwanted Video & Still Photography

Camera neutralizing technology could halt movie piracy and clandestine photography

Atlanta (June 17, 2006) — Researchers at the Georgia Institute of Technology have completed a prototype device that can block digital-camera function in a given area. Commercial versions of the technology could be used to stymie unwanted use of video or still cameras. [continued]

http://www.gatech.edu/news-room/release.php?id=1017

Also, regarding the recent conversations about text messaging and cheating on tests, there are cell phone neutralizers as well. They are or will soon be in theaters, restaurants, etc.

 

[Pengwuino]

Sweet.

I know a few professors put cell-phone jammers in their lecture halls to just flat out stop the use of cell phones during lectures and tests.

 

[Aether]

"It could also be used in business settings—for instance, to stop amateur photography where shopping-mall-Santa pictures are being taken."

This "technology" can be defeated with a new type of camera lens: 1) first lens projects image onto translucent screen; 2) second lens focuses screen image onto CCD.