Patents Assigned to Harry Wolff
  • Compensator for a mechanical pendulum clock
    Patent number: 5268881
    Abstract: A compensator for a mechanical pendulum clock has on the rear side of a pendulum bob a center of gravity adjusting device, which is actuated by an electric motor. An electronic controller, which is designed as a comparator and which works as a function of the difference between the signals of a pendulum frequency generator and a clock generator designed as quartz reference oscillator, serves to drive the electric motor.
    Type: Grant
    Filed: March 18, 1992
    Date of Patent: December 7, 1993
    Assignee: Harry Wolff
    Inventor: Eric Damm