Ambient-backscatter

[johnim]

Hi guys what do you think of this

http://hexus.net/tech/news/network/58857-batteryless-wireless-devices-powered-ambient-backscatter/


[m]http://www.youtube.com/watch?v=gX9cbxLSOkE&feature=player_embedded[/m]

 

[demolition]

Both reflection and absorption of RF TV signals means that if there were a lot of those devices, you will ruin the reception on your TV. Reflection is adding noise, absorption is lowering the signal, thus signal-to-noise goes down.

But it is still a useful idea for some applications I think.