Patents Represented by Attorney Louis M. Deckelmann

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  • Automatic ranging circuit for a digital panel meter
    Patent number: 3958178
    Abstract: This invention relates to a range changing circuit that operates in conjunction with a digital panel meter of fixed sensitivity. The circuit decodes the output of the panel meter and uses that information to change the gain of an input amplifier to the panel meter in order to insure that the maximum number of significant figures is always displayed in the meter. The circuit monitors five conditions in the meter and responds to any of four combinations of these conditions by means of logic elements to carry out the function of the circuit.
    Type: Grant
    Filed: February 11, 1975
    Date of Patent: May 18, 1976
    Assignee: The United States of America as represented by the United States Energy Research and Development Administration
    Inventors: Theodore R. Mueller, Harley H. Ross
  • Film holder for radiographing tubing
    Patent number: 3952204
    Abstract: A film cassette is provided which may be easily placed about tubing or piping and readily held in place while radiographic inspection is performed. A pair of precurved light-impervious semi-rigid plastic sheets, hinged at one edge, enclose sheet film together with any metallic foils or screens. Other edges are made light-tight with removable caps, and the entire unit is held securely about the object to be radiographed with a releasable fastener such as a strip of Velcro.
    Type: Grant
    Filed: January 14, 1975
    Date of Patent: April 20, 1976
    Assignee: The United States of America as represented by the United States Energy Research and Development Administration
    Inventors: Earl V. Davis, Billy E. Foster
  • Variable percentage sampler
    Patent number: 3939714
    Abstract: A remotely operable sampler is provided for obtaining variable percentage samples of nuclear fuel particles and the like for analyses. The sampler has a rotating cup for a sample collection chamber designed so that the effective size of the sample inlet opening to the cup varies with rotational speed. Samples of a desired size are withdrawn from a flowing stream of particles without a deterrent to the flow of remaining particles.
    Type: Grant
    Filed: June 10, 1975
    Date of Patent: February 24, 1976
    Assignee: The United States of America as represented by the United States Energy Research and Development Administration
    Inventor: William H. Miller, Jr.