Abstract: There is provided a wearable device for measuring cardiac activity of a user, the wearable device comprising: an optical cardiac activity sensor unit configured to be placed in contact with a measurement area and to enable cardiac activity measurement of the user to obtain a cardiac activity signal; a plurality of electrodes configured to enable bioimpedance measurement on the measurement area to obtain a bioimpedance signal; a detector unit for detecting changes in the bioimpedance signal; and a reducer unit for reducing a motion artefact effect on the cardiac activity signal based on the detected changes in the bioimpedance signal.

Abstract: A sensor structure includes a housing arranged to be attached to a body; a thermoelectric generator element in the housing and configured to convert temperature gradient into electric energy; a heat collecting surface coupled to the housing on a side arranged to face a skin when the body is coupled to a user of the sensor structure; a heat conduction channel coupled between the heat collecting surface and the thermoelectric generator element, wherein a cross-sectional area of the heat conduction channel is smaller than the heat collecting surface; and a heat sink coupled to the housing on a side arranged to face away from the skin when the body is coupled to the user.

Abstract: This document discloses a portable system comprising a physical activity monitoring device comprising: a wireless proximity detection module configured to detect a proximity of an input control entity with respect to the physical activity monitoring device and output a control signal as a response to the detection, wherein the proximity is a non-zero distance between the input control entity and the training computer; and a user interface controller configured to generate, as a response to the control signal from the wireless proximity detection module, at least one of an audio control function and a display control function.

Abstract: A heart activity sensor structure includes a flexible substrate being substantially non-conductive, at least two electrodes printed on one side of the flexible substrate and configured to be placed against a skin of a user in order to measure biometric signals related to heart activity, and an electrostatic discharge shield printed on opposite side the flexible textile substrate, compared to the printing of the at least two electrodes, for protecting the at least two electrodes from static electricity.

Abstract: There is provided a wearable device for measuring cardiac activity of a user, the wearable device comprising: an optical cardiac activity sensor unit configured to be placed in contact with a measurement area and to enable cardiac activity measurement of the user to obtain a cardiac activity signal; a plurality of electrodes configured to enable bioimpedance measurement on the measurement area to obtain a bioimpedance signal; a detector unit for detecting changes in the bioimpedance signal; and a reducer unit for reducing a motion artefact effect on the cardiac activity signal based on the detected changes in the bioimpedance signal. (FIG.

Abstract: A heart activity sensor structure includes a flexible textile substrate, and at least two electrodes with an electric insulation between each of the at least two electrodes. The at least two electrodes are applied on one side of the flexible textile substrate and configured to be placed against a skin of an exerciser in order to measure biosignals related to heart activity. The heart activity sensor also includes an electrostatic discharge shield applied on one side of the flexible textile substrate for protecting the at least two electrodes from static electricity.

Abstract: A solution for training guidance is provided. A method related to the solution includes acquiring, in a training guidance apparatus, cardiovascular data representing cardiovascular measurement on a user carrying out a physical exercise, wherein the acquired cardiovascular data is real-time data measured during the physical exercise. The method further includes determining exercise guidance attributes from the cardiovascular data with respect to at least one training target of the physical exercise, selecting a video clip matching with the guidance attributes, and causing display of the video clip to the user.

Abstract: This document discloses a portable system comprising a physical activity monitoring device comprising: a wireless proximity detection module configured to detect a proximity of an input control entity with respect to the physical activity monitoring device and output a control signal as a response to the detection, wherein the proximity is a non-zero distance between the input control entity and the training computer; and a user interface controller configured to generate, as a response to the control signal from the wireless proximity detection module, at least one of an audio control function and a display control function.

Abstract: This document discloses a portable system comprising a physical activity monitoring device comprising: a wireless proximity detection module configured to detect a proximity of an input control entity with respect to the physical activity monitoring device and output a control signal as a response to the detection, wherein the proximity is a non-zero distance between the input control entity and the training computer; and a user interface controller configured to generate, as a response to the control signal from the wireless proximity detection module, at least one of an audio control function and a display control function.

Abstract: A heart activity sensor structure includes a flexible substrate being substantially non-conductive, at least two electrodes printed on one side of the flexible substrate and configured to be placed against a skin of a user in order to measure biometric signals related to heart activity, and an electrostatic discharge shield printed on opposite side the flexible textile substrate, compared to the printing of the at least two electrodes, for protecting the at least two electrodes from static electricity.

Abstract: This document discloses a portable system comprising a physical activity monitoring device comprising: a wireless proximity detection module configured to detect a proximity of an input control entity with respect to the physical activity monitoring device and output a control signal as a response to the detection, wherein the proximity is a non-zero distance between the input control entity and the training computer; and a user interface controller configured to generate, as a response to the control signal from the wireless proximity detection module, at least one of an audio control function and a display control function.

Abstract: Interaction between a portable apparatus and a personal exercise area is disclosed. A method comprises: transferring wirelessly information between a personal exercise area and a portable apparatus; detecting proximity of the portable apparatus to the personal exercise area by utilizing the transferred information; and configuring the portable apparatus in relation to an exercise performed within the personal exercise area by a user of the portable apparatus.

Abstract: A heart activity sensor structure includes a flexible textile substrate, and at least two electrodes with an electric insulation between each of the at least two electrodes. The at least two electrodes are applied on one side of the flexible textile substrate and configured to be placed against a skin of an exerciser in order to measure biosignals related to heart activity. The heart activity sensor also includes an electrostatic discharge shield applied on one side of the flexible textile substrate for protecting the at least two electrodes from static electricity.

Abstract: There is provided an electric apparatus for monitoring an electrocardiogram signal of a person, comprising an attaching mechanism configured to enable the attachment of the electric apparatus to a wearable item, first and second electrodes for electrical contact with the skin of the person, wherein, during operation, the first electrode is placed between the wearable item and the skin of the person and the second electrode is placed on the opposite side of the wearable item, a detector configured to detect the electrocardiogram signal between the two electrodes, and a transmitter configured to transmit wirelessly information regarding the electrocardiogram signal detected by the detector.

Abstract: A solution for training guidance is provided. A method related to the solution includes acquiring, in a training guidance apparatus, cardiovascular data representing cardiovascular measurement on a user carrying out a physical exercise, wherein the acquired cardiovascular data is real-time data measured during the physical exercise. The method further includes determining exercise guidance attributes from the cardiovascular data with respect to at least one training target of the physical exercise, selecting a video clip matching with the guidance attributes, and causing display of the video clip to the user.

Abstract: An apparatus for use in connection with biosignal measurement from the skin of a living object, comprising means for applying a test input impedance to the biosignal measurement, means for determining a response of a biosignal characteristics to the test input impedance, and means for setting a usage input impedance on the basis of the response.

Abstract: A protective electrode structure comprises a middle protective electrode which resides between an outer protective electrode and the skin electrodes during a measurement. The middle protective electrode and the outer protective electrode are insulated from each other. Additionally, the middle protective electrode may be coupled to a virtual ground of the user-specific performance monitor system.

Abstract: An electric circuitry for a portable electronic device is presented. The electric circuitry includes a first printed circuit board comprising at least one electrical component attached to and extending from a surface of the first printed circuit board. The electric circuitry further comprises a second printed circuit board arranged to be coupled with the first printed circuit board and comprising at least one recess or hole arranged to receive the at least one electrical component extending from the surface of the first printed circuit board when the first circuit board and the second printed circuit board are coupled to each other.

Abstract: The invention relates to a sensor system, a garment and a heart rate monitor. 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, which is 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.

Abstract: Interaction between a portable apparatus and a personal exercise area is disclosed. A method comprises: transferring wirelessly information between a personal exercise area and a portable apparatus; detecting proximity of the portable apparatus to the personal exercise area by utilizing the transferred information; and configuring the portable apparatus in relation to an exercise performed within the personal exercise area by a user of the portable apparatus.