Categories

Posts Tagged ‘tomographic motion detection’

What is tomographic motion detection?

Sunday, June 23rd, 2013

Recognizing the shortcomings of traditional PIR and ultrasonic sensors used in alarm systems, security researcher Connected Ape decided to explore other options. He discovered this patent for a mesh system of RF nodes, designed to detect the presence of humans based on changes in the baseline signal strength between nodes....

Tags: ,
Posted in security, sensors, wireless | 11 Comments »

Recent Comments

  • KH: TPS62200 will get him to under 15uA, a bit better than the 20-30uA he mentioned. I would try the same thing. Switch some resistors in...
  • KH: Yeah, it's an end-user thing. Very few people would spend hundreds of hours on this kind of project and sustain it. It's more or less...
  • Max: Not quite a dinosaur if you've seen Big Hero 6 though... wait. You've watched it with your kids, didn't you? That's cheating...! ;) One of...
  • Edward Mallon: A visiting researcher dropped by our humble basement workshop with questions about the physical skill level students would need if they added one of our...
  • KH: And that looks really expensive... Only browsed the vid though, I'm an dinosaur so I had the sound off too. Nice of him to open-source...