Voice-actuated spherical tumbler

Details Voice-actuated spherical tumbler Voice-actuated spherical tumbler

1996-11-04

1998-02-24

Hafer, Robert A.

Amusement devices: toys

Having light-or sound-responsive switch or control

446351, 446458, 473594, A63H 3000, A63H 1500, A63H 2908

Patent

active

057206449

ABSTRACT:
A voice-actuated spherical tumbler including two hollow semi-spherical shells connected into a spherical housing, a mounting plate fixedly mounted inside one semi-spherical shell, a rocker supported on a spring to hold a weight, a voice-controlled circuit board, a motor controlled by the voice-controlled circuit board to turn the rocker, causing it to shift the center of gravity of the tumbler.

REFERENCES:
patent: 819609 (1906-05-01), Shorthouse
patent: 2780029 (1957-02-01), Anthony
patent: 3798835 (1974-03-01), McKeehan
patent: 4726800 (1988-02-01), Kobayashi
patent: 5356326 (1994-10-01), Ting
patent: 5370569 (1994-12-01), Mo-Hsin

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