Integrated retroreflective electronic display
AssigneeMinnesota Mining and Manufacturing Company
InventorsHeinrich Bantli, Thomas I. Bradshaw, Stephen W. Mohn, Edmund J. Ring
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Abstract
An integrated retroreflective data communication display for visual and electromagnetic communication is described. The display may be configured as an integrated retroreflective electronic license plate, with printed visual information, similar to the information printed on traditional license plates, on retroreflective sheeting. An antenna network is integrated within the license plate for electromagnetic communication and may be connected to external electronic modules. The display may also be configured as an integrated retroreflective electronic road sign, also providing visual and electromagnetic information in a unitary structure.
Claims11
A retroreflective apparatus for both visual and electromagnetic data communication, said apparatus comprising:
- retroreflective means for retroreflecting incident light, said retroreflecting means having visual information thereon;
- antenna means for electromagnetic communication;
- and
- coupling means for allowing coupling to said antenna means;
- wherein said retroreflective apparatus is substantially rigid.
Dependencies are inferred from the claim text.