Method for setting a quartz watch

A method for setting a quartz watch, the watch including an optical sensor and a microcontroller configured to receive electrical signals generated by the optical sensor, the watch also including a point light source controlled by the microcontroller of the watch producing a sequence of light pulses, the method being performed by the way of a portable electronic appliance including a point light source, also producing a sequence of light pulses and a microcontroller configured to control said point light source, the electronic appliance also including an optical sensor designed to supply electrical signals of the microcontroller of the electronic appliance, the method comprising:

• placing the optical sensor of the watch facing the point light source of the electronic appliance;
• on the order of the microcontroller of the electronic appliance, flashing the point light source of the electronic appliance to form a sequence of light pulses corresponding to a coding of setting parameters, the sequence then being received by the optical sensor of the watch;
• decoding the received sequence of light pulses, by way of the microcontroller of the watch, in order to recover the setting parameters;
• on the order of the microcontroller of the watch, setting the watch according to the setting parameters;
• placing the optical sensor of the electronic appliance facing the point light source of the watch;
• on the order of the microcontroller of the watch, flashing the point light source of the watch to form a sequence of light pulses corresponding to a coding of state data characteristic of a current setting of the watch, the sequence of light pulses then being received by the optical sensor of the electronic appliance;
• decoding the received sequence of light pulses, by way of the microcontroller of the electronic appliance, in order to recover the state data;
• and
• comparing the state data with the setting parameters,
• wherein the watch further includes time display hands and means for rotating said hands,
• wherein the electronic appliance further includes a camera and optical recognition software that are controlled by the microcontroller of the electronic appliance, and wherein the method further comprises, following the setting step, on the order of the microcontroller of the watch, actuating the means for rotating the time display hands to place said hands in a position for coding an item of state data characteristic of a current setting of the watch,
• wherein the optical sensor of the watch is situated on a movement of the watch on a bottom side, the method further comprising, before the step of positioning the optical sensor of the watch facing the point light source of the electronic appliance:
• removing a bottom of the watch casing to expose the optical sensor of the watch.

A method for setting a quartz watch using a portable electronic appliance, the watch including an optical sensor situated on a movement of the watch on a bottom side, a first microcontroller configured to receive electrical signals generated by the optical sensor, a point light source controlled by the first microcontroller of the watch, and time display hands, the portable electronic appliance including a point light source, a second microcontroller configured to control said point light source, and an optical sensor designed to supply electrical signals to the second microcontroller, the method comprising:

• flashing, using the second microcontroller, the point light source of the electronic appliance to form a sequence of light pulses corresponding to a coding of setting parameters, the sequence then being received by the optical sensor of the watch facing the point light source of the portable electronic appliance;
• decoding the received sequence of light pulses, by way of the first microcontroller, in order to recover the setting parameters;
• setting, on the order of the microcontroller of the watch, the watch according to the setting parameters;
• flashing, on the order of the first microcontroller, the point light source of the watch to form a sequence of light pulses corresponding to a coding of state data characteristic of a current setting of the watch, the sequence of light pulses being received by the optical sensor of the electronic appliance facing the point light source of the watch;
• decoding the received sequence of light pulses, by way of the second microcontroller of the electronic appliance, in order to recover the state data;
• and
• comparing the state data with the setting parameters,
• wherein the method further comprises, following the setting and on the order of the first microcontroller, rotating the time display hands to place the hands in a position for coding an item of state data characteristic of the current setting of the watch having a bottom of a watch casing removed to expose the optical sensor of the watch.