Acceleration-sensing electrochemical pressure sensor compositions
View Patent ↗An accelerometer 100 which includes a bracket 110 , a pair of electrodes 210/220/230/240/250 , a first electrically conductive foam 120 , a second electrically conductive foam 130 , wherein the first electrically conductive foam and the second electrically conductive foam are inserted between the pair of electrodes and the bracket.
1. An accelerometer, comprising
a pair of electrodes configured as a printed circuit board electrode pair;
a first electrically conductive foam; and
a second electrically conductive foam;
wherein said first electrically conductive foam and said second electrically conductive foam encompass the printed circuit board electrode pair, wherein a weighted mass disposed between said first electrically conductive foam and said second electrically conductive foam.
2. The accelerometer of claim 1 , wherein said printed circuit board electrode pair are interleaved.
3. A helmet having an accelerometer fitted inside thereof, said accelerometer comprising:
a pair of electrodes configured as a printed circuit board electrode pair;
a first electrically conductive foam; and
a second electrically conductive foam;
wherein said first electrically conductive foam and said second electrically conductive foam encompass the printed circuit board electrode pair, wherein a weighted mass disposed between said first electrically conductive foam and said second electrically conductive foam.
4. The helmet of claim 3 , wherein said printed circuit board electrode pair are interleaved.
5. A wrist band comprising an accelerometer, said accelerometer comprising:
a pair of electrodes configured as a printed circuit board electrode pair;
a first electrically conductive foam; and
a second electrically conductive foam;
wherein said first electrically conductive foam and said second electrically conductive foam encompass the printed circuit board electrode pair, wherein a weighted mass disposed between said first electrically conductive foam and said second electrically conductive foam.
6. The wrist band of claim 5 , wherein said printed circuit board electrode pair are interleaved.
7. A method to measure impact forces, comprising:
providing an accelerometer comprising a pair of electrodes configured as a printed circuit board electrode pair, a first electrically conductive foam, and a second electrically conductive foam, wherein said first electrically conductive foam and said second electrically conductive foam encompass the printed circuit board electrode pair;
attaching said accelerometer to an object;
impacting said object/accelerometer assembly with a force;
measuring an electrical current generated during said impact; and
determining a G force impact based upon said measured electrical current, wherein a weighted mass disposed between said first electrically conductive foam and said second electrically conductive foam.
8. The method of claim 7 , wherein said printed circuit board electrode pair are interleaved.