×

Micropower differential sensor measurement

  • US 6,433,629 B2
  • Filed: 01/24/2001
  • Issued: 08/13/2002
  • Est. Priority Date: 01/24/2000
  • Status: Expired due to Fees
First Claim
Patent Images

1. An electronic circuit, comprising:

  • a first electrode, a second electrode, a third electrode and a fourth electrode;

    a sensor comprising a first variable element connected to a second variable element at said first electrode, said first variable element also connected to said second electrode, said second variable element also connected to said third electrode;

    a first device connected between said second electrode and said fourth electrode;

    a second device connected between said third electrode and said fourth electrode;

    a source of a stimulation connected to apply a time varying stimulation across said first and said fourth electrodes; and

    a timing sensitive circuit configured to measure duration of a signal appearing between said second electrode and said third electrode that arises from said stimulation applied across said first and fourth electrodes.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×