Printed capacitive sensor
First Claim
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1. A capacitive sensor comprising:
- a first flexible, resilient dielectric layer having a first and second side, wherein the first dielectric layer comprises a spacer fabric;
an electrically conductive detector and trace layer on the first side of the first dielectric layer comprising a detector and trace;
a first electrically conductive reference layer on a second side of the first dielectric layer; and
, a capacitance meter electrically connected to the detector and trace layer and to the first conductive reference layer.
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Abstract
The invention relates to a flexible, resilient capacitive sensor suitable for large-scale manufacturing. The sensor comprises a dielectric, an electrically conductive detector and trace layer on the first side of the dielectric layer comprising a detector and trace, an electrically conductive reference layer on a second side of the dielectric layer, and a capacitance meter electrically connected to the trace and to the conductive reference layer to detect changes in capacitance upon interaction with detector. The sensor is shielded to reduce the effects of outside interference.
78 Citations
11 Claims
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1. A capacitive sensor comprising:
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a first flexible, resilient dielectric layer having a first and second side, wherein the first dielectric layer comprises a spacer fabric;
an electrically conductive detector and trace layer on the first side of the first dielectric layer comprising a detector and trace;
a first electrically conductive reference layer on a second side of the first dielectric layer; and
,a capacitance meter electrically connected to the detector and trace layer and to the first conductive reference layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification