Motion sensitive light and battery assembly switched on and off

Details Motion sensitive light and battery assembly switched on and off Motion sensitive light and battery assembly switched on and off

1995-05-08

1996-08-27

Gromada, Denise L.

Illumination

Self powered lamp

Cylindrical flashlight casing

362276, 362394, 362800, 362802, 200 6148, F21L 1100

Patent

active

055507212

ABSTRACT:
A light emitting diode having a helical spring around one of its leads. The spring extends so that it has a free end which is cantilevered. As the free end of the spring moves it completes an electrical circuit intermittently lighting the light emitting diode.

REFERENCES:
patent: 3731022 (1973-05-01), Loftus
patent: 4800469 (1989-01-01), Leon
patent: 4995294 (1991-02-01), Kashio et al.
patent: 5058900 (1991-10-01), Denen
patent: 5400232 (1995-03-01), Wong

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