Suunto Oy

Amer Sports Digital Services Oy

Markus Kemetter

Erik Lindman

Mikko Martikka

Heikki Nieminen

Mikko Tuomas Ahlström

Michael Miettinen

Janne Kallio

Tapio Savolainen

Veikko Koivumaa

Ville-Juhana Mattila

Antti Virtanen

The invention relates to a device and method for monitoring a swimming performance. The device comprises one or more motion-sensitive sensors for providing motion data characteristic to the motion of the swimmer during said swimming performance and a computing unit adapted to detect body motions from said motion data using predefined criteria. According to the invention the computing unit comprises means for calculating a plurality of correlation factors depicting correlation of motion data between successive body motions detected, means for storing the correlation factors as a time series, and means for determining one or more parameters characteristic to the swimming performance based on said correlation factors stored. The invention can be used for robust determination of swimmer's turns, distance swum or swimming style, for example.

Device and method for monitoring swimming performance

The invention relates to a method and a mobile device. In accordance with the method&#x2014;pressure data is measured, the pressure data is used as atmospheric-pressure data and/or for the definition of altitude, and the magnetic field of the Earth is measured by a magnetic sensor (). In accordance with the invention consecutive measurements are performed using the magnetic sensor () and the consecutive measurement results are compared, and on the basis of the comparison the mobile device () is commanded to either atmospheric-pressure measurement or altitude measurement.

Calibration method and apparatus for a mobile device

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Helsinki, Finland

Markus Kemetter