Please download the dossier by clicking on the dossier button x
×

Passive infrared detector

  • US 9,885,608 B2
  • Filed: 07/14/2015
  • Issued: 02/06/2018
  • Est. Priority Date: 10/13/2006
  • Status: Active Grant
First Claim
Patent Images

1. An infrared detector, comprising:

  • a pyroelectric detector equipped with a window and having first and second sensing elements disposed on a first side of said window;

    a diffusely reflective septum disposed on a second side of said window; and

    a Fresnel lens array disposed on said second side of said window.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×