| 摘要 |
The present invention relates to detectable warning panels, and in particular to detectable warning panels that display text and/or other graphic information such as commercial messages, trademarks, logos, directions, slogans, pictures, names, product illustrations, emblems, promotional information related to a product or service, Quick Response Codes, matrix code, two-dimensional bar code, optical machine-readable labels, and combinations thereof. |
| 主权项 |
1. An article for display on a pedestrian walkway comprising
a removable panel having a substantially planar upper and lower surface, said upper surface having thereon a plurality of distinct spatially raised, three-dimensional features arranged in a pattern so as to be detectable by tactile sensation, said removable panel further comprising a plurality of releasable fasteners for removably attaching said removable panel to said pedestrian walkway, said planar upper surface having thereon a graphic design displaying at least two colors and having a resolution of at least 300×300 DPI, wherein said graphic image extends across said plurality of distinct spatially raised three dimensional features. |
