Patents Represented by Attorney Adrien J. LaRue

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  • Analog to digital converter circuit with gain ranging feedback
    Patent number: 4078233
    Abstract: An acoustical testing system is described wherein a stabilized and calibrated audio sound generator is used to drive a device to be tested with the output of the device being processed by circuit means that are automatically self-adjusting thereby resulting in digital readouts of the device's output amplitude and purity.
    Type: Grant
    Filed: August 29, 1975
    Date of Patent: March 7, 1978
    Inventor: George Joseph Frye