Motion sensitive light and battery assembly switched on and...

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

2006-05-16

2006-05-16

Ferensic, Denise L. (Department: 3406)

Illumination

Self powered lamp

Cylindrical flashlight casing

C362S276000, C362S394000, C362S800000, C362S802000, C200S061480

Reexamination Certificate

active

07044618

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
patent: 5550721 (1996-08-01), Rapisarda

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