×

Sensor

  • US 20040056753A1
  • Filed: 07/22/2003
  • Published: 03/25/2004
  • Est. Priority Date: 10/28/1998
  • Status: Abandoned Application
First Claim
Patent Images

1. A laminar sensor for detecting changes on a laminar substrate, the sensor having a resistance at 20°

  • C. RT and comprising (1) a laminar sheet which (a) has a first surface and a second opposite surface, and (b) comprises a conductive polymer composition which (i) exhibits temperature dependent resistance behavior and (ii) has a switching temperature Ts;

    (2) a plurality of sensing elements (a) each of which comprises an electrode pair, said electrode pair comprising a first electrode and a second electrode, said electrodes being separated from each other and in contact with the laminar sheet, and (b) which are electrically connected in a resistive network, at least some of said sensing elements connected in series; and

    (3) two electrical leads for connecting the sensing elements into a circuit.

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