Simple heart rate monitor showing fractions below, inside and above the heart rate zone

摘要

The present invention relates to a system and method for monitoring a user's heartbeat. In particular, the invention discloses a system comprising an input unit, a time measuring unit, a heart rate sensor, a processing unit and an output unit. Wherein the processing unit comprises at least three different time periods, namely a first time period under the single heart rate range defined by the user, a second time period in the middle, and a third time period above Determine one.