Patents by Inventor Allen Hooker

Allen Hooker has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and apparatus for measuring the frequency of radiation
    Patent number: 4308456
    Abstract: A method and apparatus for measuring the frequency of radiation is described comprising a pair of filters (2,3) or a beam splitter (30) responsive to radiation from a source of radiation (4) for providing a first output having a magnitude which increases and a second output having a magnitude which decreases with an increase in the frequency of said radiation, a divider (11) for providing a ratio of the magnitudes of said first and second outputs and a comparator (14) and memory (17) responsive to the ratio from said divider (11) for providing an output corresponding to the frequency of said radiation.
    Type: Grant
    Filed: November 19, 1979
    Date of Patent: December 29, 1981
    Assignee: Versatile Integrated Modules
    Inventors: Leonard C. Van Der Gaag, Allen Hooker, Gerald Puetz