Smartwatch with enhanced screen activation and associated method

A smartwatch comprising:

• an electronic display screen;
• and
• a screen wake-up system for turning on the electronic display screen in an event where a user is present in a field of view (FoV) of a time-of-flight (ToF) sensor, the screen wake-up system comprising:
• a usage detection unit configured to detect, from measurements of at least one first sensor, a usage of the smartwatch whose electronic display screen is off;
• a user detection unit comprising the ToF sensor activated upon detecting a use of the smartwatch by the use usage detection unit, the user detection unit being configured to determine a presence of a user in the FoV of the ToF sensor;
• and
• a screen power management unit configured to switch on the electronic display screen in an event where a user is present in the FoV.

A method of screen activation in a watch equipped with an electronic display screen, the method comprising:

• detecting, from measurements of at least one first sensor, a use of the watch whose electronic display screen is switched off;
• activating a time-of-flight (ToF) sensor upon detecting the use of the watch;
• determining a presence of a user in a field of view (FoV) of the ToF sensor;
• and
• switching on the electronic display screen if a user is present in the FoV.