Identification tag with enhanced security
US6154137A · kind A · utility
128Cited by
140References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 8, 1998 |
| Grant date | Nov 28, 2000 |
| Priority date | — |
| Expiry date | Jun 8, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q9/285
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A combination tag is disclosed, including a magnetically-responsive element and a radio frequency-responsive element. In one embodiment, the magnetically-responsive element also functions as an antenna for the radio frequency-responsive element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.