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US 4,124,881 AGranted
Dice with illuminating means
OwnerTerry M. Haber, Maurice M. Greesoninventors
Life of this patent
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Abstract
A pair of dice each having twelve flat surfaces and in which opposite surfaces lie in parallel planes is provided. Each die incorporates twelve light emitting diodes for illuminating respectively the 12 surfaces but interconnected with a central battery by way of gravity responsive switches in such a manner that only the topmost surface of the die will be illuminated after the die has been thrown and comes to rest on a flat surface.
Claims8
Dice including, in combination:
- (a) first and second die each having a plurality of surfaces in which opposite surfaces lie in parallel planes;
- (b) light emitting means associated with each surface in each die;
- and
- (c) energizing means for said light emitting means in each die, said energizing means including a battery in each die and gravity responsive switch means for connecting said battery to that light emitting means associated with said surface assuming a topmost position after the die has been thrown and comes to rest.
1 more element
Dice including, in combination:
- (a) first and second die, each having twelve flat congruent surfaces in which opposite surfaces lie in parallel planes;
- (b) twelve individual illuminating means inside each die disposed respectively adjacent to said twelve surfaces, such that when any one illuminating means is energized, the adjacent surface thereto is illuminated;
- (c) a source of energy in each die for energizing said illuminating means;
- and
- (d) gravity responsive switch means in each die connected between said source of energy and said illuminating means for energizing only that illuminating means adjacent to that surface of each die assuming a topmost position after the die has been thrown and comes to rest on a flat surface.
2 more elements
Dependencies are inferred from the claim text.