New Device Disables Digital Cameras
Happy Monday, everyone.
In case you haven't already seen this article, here it is. I thought it was interesting. I guess it was only a matter of time...
http://news.yahoo.com/s/space/200606...digitalcameras
Re: New Device Disables Digital Cameras
Perhaps there is a NEW market for pocket size film cameras!
Ronnoco
Re: New Device Disables Digital Cameras
A very interesting article!
Re: New Device Disables Digital Cameras
Interesting indeed.
I may just have to drag out my old Minolta Riva Zoom 90
Re: New Device Disables Digital Cameras
Quote:
Originally Posted by photophorous
In case you haven't already seen this article, here it is.
So it's still at the prototype stage then.
It won't work against any camera that has a mechanical shutter.
No reflection off the sensor.
Is it likely to be fast enough to work against multiple cameras?
Or perhaps not good at trade shows.
I suspect it won't be fast enough for someone who whips out a mobile phone quickly, shoots and pops it back.
Interesting technology, but only from the point of view of countermeasures :)
Re: New Device Disables Digital Cameras
Quote:
Originally Posted by SmartWombat
So it's still at the prototype stage then.
It won't work against any camera that has a mechanical shutter.
No reflection off the sensor.
Is it likely to be fast enough to work against multiple cameras?
Or perhaps not good at trade shows.
I suspect it won't be fast enough for someone who whips out a mobile phone quickly, shoots and pops it back.
Interesting technology, but only from the point of view of countermeasures :)
Yeah, I wonder how fast it is...or will be? Seems like someone that has the right camera could still sneak pictures, if they were careful. But who knows, it might be something that can be improved to a point where it's very effective. Imagine if people start buying them and putting them everywhere. Probably won't happen, but it would sure suck if it did.
Re: New Device Disables Digital Cameras
I imagine this will be very hard to implement, especially in a movie theater. Just thinking about how accurately a small beam of light would need to be to accurately find and then stay on the camera CCD thru the lens thay may be continually moving seems improbable. I may have to run some calculations...
Re: New Device Disables Digital Cameras
actually given that most digital video cameras pick up infra red spectrum light anyway, it is a wonder they haven't already thought to flood cinemas with infra red light. that would stop the movie piracy. as for targeting ccds the technology required to identify and then aim a beam of light at a ccd that is 1/3 of an inch in size is currently in anti missile devices so in theory plausible but probably cost prohibative. most of the applications i can think of where this would be useful it would prove far simpler to use a metal detector and xray
Re: New Device Disables Digital Cameras
Quote:
Originally Posted by Skyman
actually given that most digital video cameras pick up infra red spectrum light anyway, it is a wonder they haven't already thought to flood cinemas with infra red light. that would stop the movie piracy. as for targeting ccds the technology required to identify and then aim a beam of light at a ccd that is 1/3 of an inch in size is currently in anti missile devices so in theory plausible but probably cost prohibative. most of the applications i can think of where this would be useful it would prove far simpler to use a metal detector and xray
IR wouldn't be too hard to block, though. You just need a simple filter and this item is countered.
Re: New Device Disables Digital Cameras
The IR filter in the Canon DSLR at least is a 1/4 wave coating, which relies on reflecting the IR and returning it 1/2 wavelength out of phase so that it cancels out.
So if cheaper cameras use the same filtering technique rather than IR absorption filter they may reflect more IR and so give themselves away.
A DSLR should only appear to this system while the shutter is open..