Electronic tag
US11822998B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 17, 2020 |
| Grant date | Nov 21, 2023 |
| Priority date | — |
| Expiry date | Jan 17, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K19/07796
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A capacitive coupled radio frequency identification, RFID, tag and method for reading the tag, the tag comprising a semiconductor substrate having a first planar surface and a second planar surface distal from the first planar surface. A metallic pad formed on the first planar surface of the semiconductor substrate. A circuit formed on the semiconductor substrate and electrically connected to the metallic pad and the second planar surface of the semiconductor substrate, the circuit configured to respond to a radio frequency, RF, input signal by providing a data signal encoded by varying an impedance between the metallic pad and the second planar surface of the semiconductor substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.