Motion activated illuminating footwear and light module therefor

Details Motion activated illuminating footwear and light module therefor Motion activated illuminating footwear and light module therefor

1997-06-27

1999-06-01

Wong, Don

Electric lamp and discharge devices: systems

Discharge device and/or rectifier in the supply circuit

Flashers

315246, 315186, 362103, 36137, H05B 3700, H05B 3702

Patent

active

059090880

ABSTRACT:
A light module for use with a plurality of light sources mounted to footwear, includes a power supply for supplying power; an oscillation circuit for sequentially supplying power to the light sources to sequentially cause illumination of the light sources, the oscillation circuit including first and second transistors, each having an input connected to the switch circuit and an output path connected in series with a light source, first and second capacitive circuits connected between the inputs of the first and second transistors, respectively, and the output paths of the second and first transistors, respectively; and a switch circuit which supplies power to the oscillation circuit during movement of the light module and which prevents the supply of power to the oscillation circuit when the light module stops moving, the switch circuit including a third transistor having an input and an output path connected between the power supply and the oscillation circuit, a capacitive circuit connected between one terminal of the power supply and the input of the third transistor, and a motion activated coil spring switch connected between an opposite terminal of the power supply and the input of the third transistor and which alternately opens and closes a connection between the power supply and the input of the third transistor during movement of the light module and which opens the connection between the power supply and the input of the third transistor when the light module stops moving.

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Victor F.C. Veley, The Benchtop Electronics Reference Manual, Tab Books Inc, Blue Rige Summit, PA, The Mutivibrator, pp. 429-430, 1987.

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