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US 4,765,623 AGranted
Talking crystal ball toy
OwnerGary J. Cardillo, Douglas R. Cahillinventors
Life of this patent
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Abstract
A talking crystal ball toy which is activated by a double pass of the operator's hands over a photosensor to give a randomly selected verbal response to a question asked by the operator.
Claims8
A talking crystal ball toy comprising a light-permeable sphere mounted on a base which contains a photosensitive element from which a double interruption of light activates a speech synthesis circuit which generates an an audio output of a digitally pre-recorded voice response to a question asked of the said crystal ball.
Dependencies are inferred from the claim text.