Patents Represented by Attorney Ray E. Synder

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  • Method and apparatus for measuring moisture tension in leaves of growing plants
    Patent number: 4380169
    Abstract: A method and apparatus to measure moisture tension in a leaf of a growing plant is described. The apparatus includes a pair of separable jaws for clamping a leaf between a standard light source and a photoelectric detector which are connected electrically to a regulated bias network and through an analog-to-digital converter panel meter. The measurement appearing on the readout is compared with a predetermined calibration source. The instrument as a whole is called a Moisture Tension Radiometer.
    Type: Grant
    Filed: January 21, 1981
    Date of Patent: April 19, 1983
    Assignee: The Curators of the University of Missouri
    Inventor: Ellis R. Graham