Patents Assigned to Curtis Instruments
  • Quiescent battery testing method and apparatus
    Patent number: 4514694
    Abstract: The invention relates to apparatus for determining the state of charge of electric storage batteries.The apparatus makes use of known quiescent battery (16) terminal voltage recovery characteristics after a prior energy transfer to predict the ultimate steady state terminal voltage as a measure of state of charge.
    Type: Grant
    Filed: July 23, 1982
    Date of Patent: April 30, 1985
    Assignee: Curtis Instruments
    Inventor: Eugene P. Finger