Patents by Inventor Souhail Chreif

Souhail Chreif has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method for providing a diagnostic on a combined humidity and temperature sensor
    Patent number: 10950069
    Abstract: A method provides a diagnostic on a combined humidity and temperature sensing device including a humidity sensor having a humidity sensing element, a temperature sensor, and a heater. The method comprises obtaining a first temperature and a first relative humidity, heating the humidity sensing element with the heater, obtaining a second temperature and a second relative humidity after heating the humidity sensing element, and determining a difference between the first temperature and the second temperature and a difference between the first relative humidity and the second relative humidity. Diagnostic information representative of a possible malfunction of the humidity sensor is output when the difference between the first temperature and the second temperature is higher than a predetermined temperature difference threshold and the difference between the first relative humidity and the second relative humidity is lower than a predetermined humidity difference threshold.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: March 16, 2021
    Assignee: MEAS FRANCE
    Inventors: Francois-Xavier Villemin, Nicolas Saravia, Souhail Chreif
  • Method for Providing A Diagnostic On A Combined Humidity And Temperature Sensor
    Publication number: 20180276914
    Abstract: A method provides a diagnostic on a combined humidity and temperature sensing device including a humidity sensor having a humidity sensing element, a temperature sensor, and a heater. The method comprises obtaining a first temperature and a first relative humidity, heating the humidity sensing element with the heater, obtaining a second temperature and a second relative humidity after heating the humidity sensing element, and determining a difference between the first temperature and the second temperature and a difference between the first relative humidity and the second relative humidity. Diagnostic information representative of a possible malfunction of the humidity sensor is output when the difference between the first temperature and the second temperature is higher than a predetermined temperature difference threshold and the difference between the first relative humidity and the second relative humidity is lower than a predetermined humidity difference threshold.
    Type: Application
    Filed: March 20, 2018
    Publication date: September 27, 2018
    Applicant: MEAS France
    Inventors: Francois-Xavier Villemin, Nicolas Saravia, Souhail Chreif