Patents Assigned to Optotechnik GmbH & Co. KG Heine
  • Apparatus for charging a rechargeable battery
    Patent number: 4327317
    Abstract: An apparatus for charging a rechargeable battery including a comparator element that behaves hysteretically so that the charging apparatus upon switching to maintenance charging after a fast charge, only switches back to the fast charging when the rechargeable battery voltage has depleted sufficiently low.
    Type: Grant
    Filed: January 21, 1980
    Date of Patent: April 27, 1982
    Assignees: Propper Manufacturing Co., Inc., Optotechnik GmbH & Co. KG Heine
    Inventors: Helmut A. Heine, Otto H. Schmidt