Patents Represented by Attorney Gerald Smith
  • Patent number: 4065672
    Abstract: An arrangement of selective filters, an optical converter layer and optoelectric device is disclosed having high sensitivity, linearity, and selectivity of wavelength band. The arrangement is demonstrated effectively as an ultraviolet sensing device using a commercial silicon phototransistor. An ultraviolet sensing device coupled with suitable electronics is disclosed which is capable of measuring the amount of exposure to ultraviolet light.
    Type: Grant
    Filed: May 17, 1976
    Date of Patent: December 27, 1977
    Inventor: Joseph William Harpster