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US 4,848,009 AGranted
Flashing footwear
OwnerNicholas A. Rodgersinventor
Life of this patent
Estimating the term…
Abstract
Articles of footwear are provided with a battery and a light source and a motion responsive switch to intermittently connect said battery to said light source. The light source is preferably an LED and there is preferably a circuit to extinguish the light after a predetermined interval.
Claims5
Footwear comprising:
- at least one light source, located on said footwear to be visible exteriorly thereof,
- a power source for energizing said light source,
- a circuit for selectively electrically connecting said power source with said at least one light source to illuminate said source,
- a switch, which alternates between "off" and "on" states responsive to motion of said footwear,
- said circuit being adapted to so connect said power source to said light source responsive to the transition of said switch to "off" to "on" state,
- and a timing circuit being adapted to disconnect said power source from said light source a predetermined time after said transition.
3 more elements
Footwear comprising:
- at least one light source located on said footwear to be visible exteriorly thereof,
- a power source for energizing said light source,
- means responsive to motion of said footwear to cause illumination of said light source by said power source,
- including a switch which alternates between "off" and "on" states responsive to motion of said footwear, and circuit means adapted to cause illumination of said light source by said power source responsive to the transition of said switch from "off" to "on" state and a timing circuit adapted to terminate said illumination a predetermined period after said transition.
1 more element
Dependencies are inferred from the claim text.