Magnetic illumination

Details Magnetic illumination Magnetic illumination

2007-01-10

2008-09-02

Sember, Thomas M (Department: 2885)

Illumination

With implement or hand held holder therefor

Pen or pencil

C362S205000, C362S394000

Reexamination Certificate

active

07419275

ABSTRACT:
A printed circuit board (PCB) has a “U” shape circuit connected to a light emitting diode (LED) by a proximal end, connected to a conducting spring by a distal end. LED mounted inside a conducting shell to emit light toward a light guide tube by magnetic attraction realized by a conducting member having a conducting pole; a refill fits through the light guide tube, and a magnet mounted inside a cap member. One lead of the LED electrically connected to an anode of batteries, the other lead electrically connected to the conducting shell. But the batteries are insulated from the conducting shell; a cathode of the batteries electrically connected to the conducting pole, which is insulated from the conducting shell, as the magnet attracts to the conducting pole and conducting shell by magnetic attraction to conduct an electric current, the LED is lit up for illumination.

REFERENCES:
patent: 4542261 (1985-09-01), Behnke
patent: 4677428 (1987-06-01), Bartholow
patent: 4833926 (1989-05-01), Todoroki et al.
patent: 2004/0161288 (2004-08-01), Tsai

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