Advertising light emitting pen having a movable light...

Details Advertising light emitting pen having a movable light... Advertising light emitting pen having a movable light...

2006-04-04

2006-04-04

Le, Que T. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C250S227110

Reexamination Certificate

active

07022973

ABSTRACT:
An advertising light emitting pen comprises an upper pen tube and a lower pen tube. The feature of the advertising light emitting pen is that a top of the light guide tube resists against a lower end of the light emitting device. A surface of the inner tube is coated with film having advertising patterns or texts thereon. The film includes two parts with one part being a transparent surface and another part being an opaque surface for printing with pattern or texts. The transparent surface has no pattern or text thereon. When the light emitting device lights up, light transmits into the inner tube through the light guide tube and then emits out from the inner tube; the light emits from the outer tube to radiate into a paper to be written.

REFERENCES:
patent: 5673996 (1997-10-01), Ducker
patent: 6238057 (2001-05-01), Chen
patent: 6299372 (2001-10-01), Wang
patent: 6682212 (2004-01-01), Gao
patent: 2004/0161288 (2004-08-01), Tsai
patent: 2005/0036336 (2005-02-01), Yang

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