Patents Assigned to Erwin Sick Gesellschaft mit Beschrankter Haftung, Optik-Elektronic
  • Device for the non-dispersive optical determination of the concentration of gas and smoke components
    Patent number: 4126396
    Abstract: A method and apparatus for non-dispersive optical determination of gas and smoke components in a mixture by reflection and detection of radiation, of a different wavelength for each component, through the mixture, wherein the radiation is periodically intercepted before it enters the mixture and reflected direct to the photo-receiver and the measurement signals are divided by the stored direct signals.
    Type: Grant
    Filed: May 11, 1976
    Date of Patent: November 21, 1978
    Assignee: Erwin Sick Gesellschaft mit Beschrankter Haftung, Optik-Elektronic
    Inventors: Klaus Hartmann, Meinhard VON Braitenberg