Electronically detectable resonance label, in particular RFID label
US6624362B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 2, 2001 |
| Grant date | Sep 23, 2003 |
| Priority date | — |
| Expiry date | Mar 26, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B13/2437
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
An electronically detectable resonance label, in particular an RFID label, includes a substrate made of plastic foil and conductive surfaces on the front and rear of the substrate. Some of the conductive surfaces form a capacitor in a mutual area of overlap. The label includes a first capacitor plate on the front of the substrate and a second capacitor plate on the rear of the substrate. The capacitor plates are in the shape of elongated strips of uniform width along their entire length. The capacitor plates only partially overlap, and the area of overlap is arranged at a distance from both ends of at least one capacitor plate. This provides the advantage that during the production process relative displacement of the capacitor plates can take place in two directions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.