Bizarre Patents
Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
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| Number | Title | Issue Date |
| 7073922 | Lighting fixture A lighting apparatus includes a plurality of light-emitting diodes emitting red, blue, and green light. The plurality of light-emitting diodes emit light beams and are arranged so as to emit the light beams toward a focusing point. A control circuit is provided for ... | 07/11/2006 |
| 6490006 | Chroma key system for discriminating between a subject and a background of the subject based on a changing background color The chroma key system discriminates background and non-background by color difference. Further, the chroma key system changes background color by illuminating the background via background illumination equipment, discriminates the changing background colo... | 12/03/2002 |
