| 摘要 |
An apparatus for a printed strain gauge affixed to a structural member of a seat for detecting and measuring the weight and position of an occupant or object on the seat. In various embodiments, a strain gauge is printed directly on a member of the seat that is subject to a bending force or other stress when an object is placed in the seat. The strain gauge includes at least one resister of thin-film conductive material printed on a stress bearing member. In one embodiment, the strain gauge is a resistor sensitive to the stress of said member. In another embodiment, the strain gauge is a group of resistors forming a Wheatstone bridge sensitive to the stress.
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