Withings

Brice Brac De La Perriere

Nadine Buard

Cédric Hutchings

Xavier Debreuil

Pierre Barrochin

Eric Carreel

David Campo

Joffrey Villard

Guillaume Faussard

Houcine Dassouli

Nicolas Genain

Rui-Yi Yang

Said Aitmbarek

A method for determining the weight of an entity/item to be weighed on a weighing device (), the weighing device comprising at least a weight sensor and a control unit (), the method comprising the following steps: 

Method and system to quickly determine a weight

Weighing device of the digital bathroom scale type, comprising four feet each having a strain gauge, four conducting portions on the top surface, and one electronic control unit, the electronic unit being configured to measure first signals indicative of periodic variations in weight and second signals indicative of periodic variations in impedance caused by the heartbeats of the user, the electronic unit being configured to determine the heart rate of the user from the first and second signals. Method for determining the heart rate of the user from the first and second signals.

Multipurpose weighing device

Device for measuring the concentration of a predetermined gas, in particular CO2, comprising a cavity, a light source emitting light rays within a basic spectral range including visible and infrared, a detector configured to receive a portion of the light rays within a first predefined spectral range corresponding to high absorption of the predetermined gas, a photodiode configured to receive a portion of the light rays within a second predefined spectral range corresponding to low absorption of the predetermined gas, a control unit configured to calculate the concentration of the predetermined gas by comparing the radiant power received by the detector to the radiant power received by the photodiode.

CO2 concentration sensor

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Paris, France

Brice Brac De La Perriere