Abstract: An apparatus includes at least one base layer arranged as a substrate for printed electronics; an energy harvester printed on the at least one base layer and arranged to transform kinetic energy into electric energy; an energy storage printed on the at least one base layer, coupled to the energy harvester, and arranged to store the electric energy; a display element printed on the at least one base layer, coupled to the energy storage, and arranged to provide a display view to a user of the apparatus; and a control circuitry configured to determine the amount of the electric energy stored in the energy storage and to control the display element to update the display view according to the amount of the electric energy. A method and a computer program product for controlling manufacturing of the apparatus are also disclosed.

Abstract: A portable physical activity monitor device includes a power source for providing power to the physical activity monitor device, at least one processor and at least one memory including a computer program code. The at least one memory and the computer program code are configured, with the at least one processor, to cause the physical activity monitor device to perform operations including acquiring an indication of a physical activity metric of a person carrying the physical activity monitor device. The physical activity monitor device includes at least one electrochromic part including bi-stable electrochromic material, and the physical activity monitor device is caused to control an optical characteristic.

Abstract: A method includes obtaining, by an apparatus, heart rate information measured from a user performing a physical activity and user specific information characterizing the user, determining that the heart rate information comprises an interruption period, and generating, based at least on the measured heart rate information and the user parameters, a heart rate change estimation. The heart rate change estimation represents an estimated change in heart rate of the user during the interruption period.

Abstract: An apparatus includes at least one base layer arranged as a substrate for printed electronics; an energy harvester printed on the at least one base layer and arranged to transform kinetic energy into electric energy; an energy storage printed on the at least one base layer, coupled to the energy harvester, and arranged to store the electric energy; a display element printed on the at least one base layer, coupled to the energy storage, and arranged to provide a display view to a user of the apparatus; and a control circuitry configured to determine the amount of the electric energy stored in the energy storage and to control the display element to update the display view according to the amount of the electric energy. A method and a computer program product for controlling manufacturing of the apparatus are also disclosed.

Abstract: The invention relates to a method, a user-specific performance monitor and a computer program for determining the user's performance. In the method, the performance power of a physical exercise is determined by means of user movement data registered by the user-specific performance monitor. Further, the exertion level corresponding to the performance power of the physical exercise is determined by means of physiological information measured from the user, the physiological information being registered by the user-specific performance monitor; and the user's performance is estimated by means of the performance power of the physical exercise and the exertion level corresponding to the performance power of the physical exercise.

Abstract: An apparatus is disclosed. The apparatus comprises a communication interface unit configured to receive reference biosignal data, and a wireless interface unit configured to receive a plurality of candidate biosignal transmissions from candidate biosignal transmitters. A comparison unit of the apparatus is configured to compare the reference biosignal data with the candidate biosignal transmissions, thus resulting in comparison data. The wireless interface unit is configured to execute a pairing protocol with a candidate biosignal transmitter of a candidate biosignal transmission by utilizing the comparison data.

Abstract: An apparatus, a method and a computer program for the determination of sympathetic activity are disclosed. The method comprises: receiving heart activity data of a person; determining a recovery heart rate change speed during a recovery heart rate period in the heart activity data; and determining a sympathetic activity state of the sympathetic nervous system of the person based on the determined recovery heart rate change speed.

Abstract: An apparatus is disclosed. The apparatus comprises a communication interface unit configured to receive reference biosignal data, and a wireless interface unit configured to receive a plurality of candidate biosignal transmissions from candidate biosignal transmitters. A comparison unit of the apparatus is configured to compare the reference biosignal data with the candidate biosignal transmissions, thus resulting in comparison data. The wireless interface unit is configured to execute a pairing protocol with a candidate biosignal transmitter of a candidate biosignal transmission by utilizing the comparison data.

Abstract: A portable apparatus including an interface configured to input first motion data of a user from a foot-worn first self-contained activity determining unit is disclosed. The portable apparatus also includes a second self-contained activity determining unit configured to determine second motion data of the user. Furthermore, the portable apparatus includes a processing unit configured to determine and store a user-specific dependency between the first motion data and the second motion data, and determine a current speed of the user or a current traveled distance of the user based on current second motion data and the user-specific dependency.

Abstract: A portable apparatus including a first interface configured to input speed data of a user or location data of the user from a positioning unit utilizing external reference points is disclosed. The portable apparatus also includes a second interface configured to input motion data of a user from a self-contained activity determining unit. Furthermore, the portable apparatus includes a processing unit configured to constitute, if the first interface only inputs the location data, speed data from the location data, select filtering characteristics based on the motion data, filter the speed data with the selected filtering characteristics, and determine physiological data of the user with the filtered speed data.

Abstract: The invention relates to a connector mechanism, a connector, an electronic device, a garment and a physiological sensor. The connector mechanism comprises a first connector part, which includes a first electrically conductive layer and a first magnetic layer, and a second connector part, which includes a second electrically conductive layer and a second magnetic layer, the first and the second magnetic layers being configured to provide a mechanical coupling between the first connector part and the second connector part based on the mutual magnetic attraction between the first and the second magnetic layers, and the first electrically conductive layer and the second electrically conductive layer being configured to provide an electrical connection between the first connector part and the second connector part based on said mutual magnetic attraction.

Abstract: An apparatus, a method and a computer program for the determination of sympathetic activity are disclosed. The method comprises: receiving heart activity data of a person; determining a recovery heart rate change speed during a recovery heart rate period in the heart activity data; and determining a sympathetic activity state of the sympathetic nervous system of the person based on the determined recovery heart rate change speed.

Abstract: An electrode structure includes at least one pair of electrode units, and at least one electrode unit including a fabric component for a skin contact. The fabric component is electrically connectable to an electric circuit of a user-specific performance monitor system.

Abstract: A portable apparatus including a first interface configured to input speed data of a user or location data of the user from a positioning unit utilizing external reference points is disclosed. The portable apparatus also includes a second interface configured to input motion data of a user from a self-contained activity determining unit. Furthermore, the portable apparatus includes a processing unit configured to constitute, if the first interface only inputs the location data, speed data from the location data, select filtering characteristics based on the motion data, filter the speed data with the selected filtering characteristics, and determine physiological data of the user with the filtered speed data.

Abstract: A portable apparatus including an interface configured to input first motion data of a user from a foot-worn first self-contained activity determining unit is disclosed. The portable apparatus also includes a second self-contained activity determining unit configured to determine second motion data of the user. Furthermore, the portable apparatus includes a processing unit configured to determine and store a user-specific dependency between the first motion data and the second motion data, and determine a current speed of the user or a current traveled distance of the user based on current second motion data and the user-specific dependency.

Abstract: The invention relates to a connector mechanism, a connector, an electronic device, a garment and a physiological sensor. The connector mechanism comprises a first connector part, which includes a first electrically conductive layer and a first magnetic layer, and a second connector part, which includes a second electrically conductive layer and a second magnetic layer, the first and the second magnetic layers being configured to provide a mechanical coupling between the first connector part and the second connector part based on the mutual magnetic attraction between the first and the second magnetic layers, and the first electrically conductive layer and the second electrically conductive layer being configured to provide an electrical connection between the first connector part and the second connector part based on said mutual magnetic attraction.

Abstract: The invention relates to a method, a user-specific performance monitor and a computer program for determining the user's performance. In the method, the performance power of a physical exercise is determined by means of user movement data registered by the user-specific performance monitor. Further, the exertion level corresponding to the performance power of the physical exercise is determined by means of physiological information measured from the user, the physiological information being registered by the user-specific performance monitor; and the user's performance is estimated by means of the performance power of the physical exercise and the exertion level corresponding to the performance power of the physical exercise.