Method and apparatus for using an electrically illuminated...

Details Method and apparatus for using an electrically illuminated... Method and apparatus for using an electrically illuminated...

2002-05-17

2004-11-16

O'Shea, Sandra (Department: 2875)

Illumination

Plural light sources

Particular wavelength

C362S035000, C362S800000, C362S185000

Reexamination Certificate

active

06817734

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates in general to a new and improved method and apparatus for using an electrically illuminated attention-attracting device. It is more particularly related to such a method and apparatus for controlling the operation of a multi-color light emitting attention-attracting device.
2. Related Art
U.S. Pat. No. 6,206,537, entitled “ELECTRONICALLY ILLUMINATED ATTENTION-ATTRACTING DEVICES AND METHODS OF USING SAME” discloses a circuit for causing a multi-color light source to produce patterns of light such as red and green, as the light source is moved, and this patent is incorporated herein by reference. The patented circuit produces a pattern of light images of equal length bars of alternating colors when the device moves through a path of travel.


REFERENCES:
patent: 4142801 (1979-03-01), Calder et al.
patent: 4161018 (1979-07-01), Briggs et al.
patent: 5697695 (1997-12-01), Lin et al.
patent: 5932975 (1999-08-01), Wut
patent: 6012822 (2000-01-01), Robinson
patent: 6206537 (2001-03-01), Hauck
patent: 6217188 (2001-04-01), Wainwright et al.
patent: 6265984 (2001-07-01), Molinaroli

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