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US 7,598,874 B2Granted
Integrated-circuit enclosed retroreflective product
AssigneeNippon Carbide Kogyo Kabushiki Kaisha
InventorIkuo Mimura
Life of this patent
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Abstract
An integrated circuit enclosed retroreflective product which comprises an integrated circuit module having built-in integrated circuit(s), a retroreflective element, and their carrier layer(s).
Claims6
An integrated circuit enclosed retroreflective product, comprising:
- an integrated circuit module having at least one built-in integrated circuit, and a retroreflective element bearing at least one information carrier layer,
- said retroreflective product bearing an upper or lower protective layer, wherein
- said protective layer bears at least one layer selected from the group consisting of a printed layer, a non-retroreflective metallic thin film layer, a hologram layer, magnetic stripe and uneven embossing,
- said integrated circuit module further comprises a built-in radio frequency identification integrated circuit, with a communication antenna operably connected to said radio frequency identification integrated circuit, and
- said retroreflective element comprising a plurality of total internal reflection type cube corner prism retroreflective units.
2 more elements
Dependencies are inferred from the claim text.