Patent ID: 7680523

Claim:
A sensor system for indicating an electrocardiogram from the surface of the user's skin, the sensor system being configured to be connected to a user-specific heart rate monitor, wherein the sensor system comprises at least one flexible film structure comprising: a first insulation layer; and at least one electric conductor layer formed on top of the first insulation layer and comprising an electrode area, the electrode area comprising electrodes configured to establish an electric contact with the surface of the user's skin and to generate as output an electric signal proportional to a momentary value of the electrocardiogram, the electrode area comprising several electrodes connected together with a first impedance connection, each of the electrodes connected together with the first impedance connection only being configurable together to establish an electric contact between all of the electrodes connected together with the first impedance connection and the surface of the skin during an application to the user's skin, the electrodes being configured to generate as output an electric signal proportional to the value of the electrocardiogram, wherein the impedance of the first impedance connection is 1 kΩ to 1 MΩ.