A position detection device includes a plurality of linear electrodes extending in a first direction, a plurality of coils extending in a second direction, and a sensor controller configured to: in a first half of each of pen signal detection periods, send an alternating magnetic field by supplying first and second alternating currents to the plurality of linear electrodes; in a second half of each of the pen signal detection periods, connect a defined number of two or more coils selected from the plurality of coils in connection modes having different connection polarities in the pen signal detection periods and detect a pen signal level result value; and separately acquire the pen signal level for each of the defined number of two or more coils by performing a restoration operation according to the connection polarities on the result values detected in the pen signal detection periods.

An inductive proximity sensor and a method for the detection of an object having at least one coil, wherein at least one transmitted current pulse can be applied to the coil by a control and evaluation unit and the control and evaluation unit is configured to output an object determination signal, wherein the control and evaluation unit is configured to scan at least one induced voltage pulse that has been generated by the transmitted current pulse at the coil in a plurality of sections from or after the time of the application of the transmitted current pulse and to form scan values, whereby the voltage pulse is digitized, wherein the control and evaluation unit is configured to evaluate the scan values for an object detection of a metallic object, wherein the control and evaluation unit is configured to scan the transmitted current pulse that has been generated at the coil in at least two sections from or after the time of the application of the transmitted current pulse and to form transmitted current scan values, wherein the control and evaluation unit is configured to determine a rise in the current increase of the transmitted current pulse from the transmitted current scan values, and the control and evaluation unit is configured to end the transmitted current pulse in dependence on the detected increase of the transmitted current pulse.