Patents Examined by Brian R. Tamm
  • Vibration sensor
    Patent number: 4547771
    Abstract: In a vibration level indicator of the type having a vibration transducer and means for determining the average vibration level, the improvement having a storage element for holding a reference value corresponding to a selected level of the vibrations, and compare and display means responsive to the storage element and the transducer for indicating the relative relationship between the average level and the selected level.
    Type: Grant
    Filed: August 13, 1982
    Date of Patent: October 15, 1985
    Assignee: A. W. Chesterton Company
    Inventors: Robert E. Rockwood, Victor Ximenes