Patents Assigned to Saphir
  • Device for detecting gas by infrared absorption
    Patent number: 5608219
    Abstract: A device for detecting at least one gas with an absorption band in the infrared range. The device includes a cell containing a gas mixture to be tested, an infrared radiation source, a power supply circuit for the source, an infrared radiation sensor and a signal processing line connected to the output of the sensor. The cell is compact and the radiation source and the radiation sensor are held in direct contact with the gas mixture therein.
    Type: Grant
    Filed: June 27, 1995
    Date of Patent: March 4, 1997
    Assignee: Saphir
    Inventor: Cecile Aucremanne