Abstract: A wrist-worn physical activity measurement apparatus is disclosed. The apparatus includes a bracelet comprising a plurality of links, each link being formed at one side to comprise a part and at the opposite side a counterpart interlocking with a part of an adjacent link, and a flexible casing encasing the plurality of the links. The apparatus is attachable around a curvature of a wrist of a user such that the links and the adjacent links are pivotably lockable in relation to each other in order to wrap and lock around the wrist.

Abstract: The present document discloses a solution for estimating blood pulse wave characteristics by using multiple measurement locations of a human body. According to an aspect, a method includes detecting, in a first measurement signal measured by a first heart activity sensor associated with a first location of a human body, a first occurrence of a blood pulse wave; detecting, in a second measurement signal measured by a second heart activity sensor from a second location of the human body different from the first location, a second occurrence of the blood pulse wave; estimating, on the basis of said detections synchronized to a common clock, time characteristics of the blood pulse wave; and computing, on the basis of said time characteristics, a metric representing a physiological condition of the human body.

Abstract: A method and an apparatus for performing the method are disclosed. The method includes obtaining cardiac output power data on a user; obtaining kinetic data characterizing physical exercise intensity of the physical exercise performed by the user; detecting that a measured cardiac output power exceeds a first threshold or that physical exercise intensity changes according to a rate exceeding a second threshold; upon the detecting, determining a synthetic cardiac output power parameter based at least partly on the kinetic data; and outputting the synthetic cardiac output power parameter.

Abstract: A system that monitors user activity includes a wrist device including a curved body and an electronic circuitry supported by the body. The electronic circuitry includes a first set of light emitting diodes arranged in a matrix form and forming a display unit, at least one motion sensor configured to measure physical motion caused by a user to the wrist device, and at least one processor configured to acquire motion measurement data from the at least one motion sensor, to process the motion measurement data into a motion activity metric, and to cause the display unit to display the motion activity metric. The at least one processor is further configured to acquire heart activity measurement data from a heart activity sensor, to process the heart activity measurement data into a heart activity metric, and to cause the display unit to display the heart activity metric.

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: A system includes a portable device and an external device connected wirelessly. Graphical user interface data determines a user interface functionality to be executed in a user interface of the external device in the portable apparatus, and is transmitted to the external device. The user interface functionality includes presenting at least one graphical interaction element on the user interface and receiving user input as a response to the user interacting with the graphical interaction element. The input data received from the user interface is used in the portable device to control a computer process relating to physiological data.

Abstract: A method in an activity tracking apparatus configured to be worn by a user includes obtaining, by the activity tracking apparatus, motion data from one or more sensors, wherein the motion data characterizes motion of the activity tracking apparatus; and controlling, based on the motion data, characteristics of a vibration causing a haptic output, wherein the haptic output is configured to be output as a response to an event on the activity tracking apparatus. Corresponding apparatus and computer programs are also disclosed.

Abstract: A multi-function button is provided for a wearable device. A method includes associating, by at least one processor of the wearable device, operation of a button of a user interface of the wearable device with a quick-launch function of a computer program application stored in the wearable device, wherein operation of the button in a state where the computer program application is not being executed and where an icon identifying and enabling launch of the computer program application is not being displayed causes launch of the computer program application; and detecting, by the at least one processor while the computer program application is being executed, operation of the button and, in response to the detection, causing execution of a function of the computer program application.

Abstract: There is provided an apparatus caused at least to acquire information of a supervisor identifier allocated to a supervisor who is registered to a network environment accessible by a plurality of supervisors and by a plurality of clients; acquire information of a different client identifier allocated to each client registered to the network environment; associate at least one client identifier with the supervisor identifier on the basis of a notification of whether or not the client is co-operating with the supervisor; acquire at least one activity metric related to the at least one client corresponding to the at least one client identifier associated with the supervisor identifier; and determine a performance level of the supervisor corresponding to the supervisor identifier at least partly on the basis of the acquired at least one activity metric.

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: An apparatus includes: a first layer including first and second measurement electrodes disposed at a distance from one another, wherein the first and second measurement electrodes are skin electrodes that measure an electric physiological property from a skin; and a second layer disposed on top of the first layer including first and a second shielding elements that are electrically conductive and arranged to cover at least partially both the first and second measurement electrodes to protect the first and second measurement electrode against electromagnetic interference. Each of the shielding elements are connected to a skin electrode. The first shielding element and the second shielding element extend adjacent with respect to one another between the first and second measurement electrodes on a plane defined by the second layer. The second shielding element is electrically isolated from the first shielding element.

Abstract: A wearable electronic apparatus, a computer program and a method are disclosed. Physical activity data measured relating to a user of a wearable electronic apparatus is obtained. An exercise mode of the wearable electronic apparatus is switched on such that information related to the physical activity data is outputted to the user. While the exercise mode is on, wireless application data is received, and, only if the application data fulfills a predetermined relevance condition, the application data is outputted to the user.

Abstract: A method includes: supporting a normal operation mode during which functionalities of a portable apparatus are available through an operating system of the apparatus, wherein the operating system includes a plurality of layers including a kernel and library functions-layer; supporting a limited operation mode during which the apparatus is configured to execute a physical activity algorithm based on physical activity data corresponding to a physical activity session performed by a user of the apparatus, wherein the physical activity algorithm applies a direct low-level hardware access bypassing at least the layers above the kernel and the library functions-layer; and switching between the normal operation mode and the limited operation mode.

Abstract: A solution for estimating motion of a user is disclosed. A method comprises: acquiring satellite positioning data received with a satellite positioning receiver attached to a human body and indicating a location of the satellite positioning receiver; extracting, from the satellite positioning data, local motion data representing local motion of the satellite positioning receiver with respect to a reference point and overall motion data representing the motion of the reference point, wherein the reference point is included in a framework of the human body; and determining, from the local motion data, a local motion trajectory of a part of a human body to which the satellite positioning receiver is attached with respect to the reference point.