Patent attributes
An activity tracking system has a plurality of activity tracking devices, each with a processor unit to receive an input signal associated with the activity, and a memory unit to keep record of at least one log associated with the activity via the processor unit. Herein, the activity tracking device comprises at least one input unit configured to be detachably attached onto the device body, and at least one input terminal associated with the processor unit within the device body to enable the input signal to be transmitted to the processor unit; and the input unit comprises at least one input means for the user to interact with the tracking device to generate an input signal, an inlet connector that is detachably attached to the input terminal to enable the input signal to be transmitted to the processor unit, and an identifier circuit for detecting the type of input unit.
