Position detection device

摘要

A position detection device having a first electrode pair, an electrically conductive body that forms an electrical resistor which is electrically connected to the electrodes of the first electrode pair and extends in a first direction (y), between them, and with a measurement electrode which is in electrically conductive contact with the surface of a measurement area of the body located between the electrodes of the first electrode pair and can move relative thereto. The body is electrically connected to the electrodes of a second electrode pair and extends between them in a second direction (x) such that the measurement area is located between the electrodes of the second electrode pair.

主权项

1. A position detection device comprising:
first and second electrode pairs, an electrically conductive body (10) that forms an electrical resistor which is electrically connected to electrodes (17, 18, 19, 20) of the first and the second electrode pairs and which extends in a first direction (y), between the electrodes (17, 18) of the first electrode pair, and in a second direction (x), between the electrodes (19, 20) of the second electrode pair, and a measurement electrode (11) being in electrically conductive contact with a surface (12) of a measurement area (23) of the body (10) located between the electrodes (17, 18, 19, 20) of the first and the second electrode pairs and being movable in relation to the first and the second electrode pairs, at least one voltmeter (24) being electrically connected to the measurement electrode (11), which voltmeter also being electrically connectable to at least one of a first electrode (18) of the first electrode pair and a first electrode (20) of the second electrode pair, for measuring an electric voltage between the first electrode (18; 20) concerned and the measurement electrode (11).