Now showing items 1-3 of 3

    • Conversion of Dual Wave Beam Spectrophotometer to Dual Wavelength Spectrophotometer 

      Harmon, Harold J.; Oklahoma State University (U.S. Patent and Trademark Office, 1990-05-29)
      A conversion and kit for a dual beam spectrophotometer permitting it to operate in dual wavelength mode and thereby obtaining resolution heretofore unavailable from similar machines. The present invention provides for a ...
    • Optical Spectral Reflectance Sensor and Controller 

      Stone, Marvin L.; Needham, Duane; Solie, John B.; Raun, William Robert; Johnson, Gordon V.; Board of Regents/Oklahoma State University and the A & M Colleges (U.S. Patent and Trademark Office, 2003-07-22)
      A spectral reflectance sensor including: a light source for emitting a modulated beam of red light; a light source for emitting a modulated beam of near infrared light; a receiver for receiving reflected light produced by ...
    • Optical Spectral Reflectance Sensor and Controller 

      Stone, Marvin L.; Needham, Duane; Solie, John B.; Raun, William Robert; Johnson, Gordon V.; Board of Regents/Oklahoma State University and the A & M Colleges (U.S. Patent and Trademark Office, 2005-02-15)
      A spectral reflectance sensor including: a light source for emitting a modulated beam of red light; a light source for emitting a modulated beam of near infrared light; a receiver for receiving reflected light produced by ...