Driven pendulum apparatus and method of operation thereof

Details Driven pendulum apparatus and method of operation thereof Driven pendulum apparatus and method of operation thereof

G - Physics

01

V

G01V 7/12 (2006.01) G01V 9/00 (2006.01) G04B 1/04 (2006.01)

Patent

CA 2515621

A pendulum apparatus and method of operation which is driven to compensate for frictional and other losses to maintain the pendulum operating over extended periods of time. The method and apparatus is particularly useful in the operation of Foucault pendulums. A vertically movable member is driven and a controller is provided which operates initially in the calibration mode for determining the natural frequency of the pendulum apparatus and is then operated in the driving mode. The pivot mechanism is relatively inexpensive and reliable and includes an adapter member with a mounting membrane of flexible material and defining a membrane aperture. A suspension line is secured extending through this aperture and a bob is secured thereto.

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