Patents Represented by Law Firm Fitzpatrick, Cella, Harper & Sincto
  • Optical radiation sensor device
    Patent number: 5514871
    Abstract: An optical radiation sensor comprising a housing having an inlet which allows radiation to enter the housing, and further comprising the following elements serially disposed after the inlet in the path of the radiation: attenuating aperture means, filter means and sensor means. A fluid disinfection system incorporating the sensor is also described.
    Type: Grant
    Filed: January 13, 1994
    Date of Patent: May 7, 1996
    Assignee: Trojan Technologies
    Inventors: Stewart J. Hayes, Richard Pearcey, Philip T. White, Peter R. Andreae, Mark R. Lowenstine