Multifunctional electromagnetic transponder device and method for performing same
US6100788A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 29, 1997 |
| Grant date | Aug 8, 2000 |
| Priority date | — |
| Expiry date | Dec 29, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K19/07786
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A multifunctional electromagnetic transponder device for tracking objects, such as tape cartridges, utilized in different types of environments includes a first antenna operating at a first range of frequencies and a second antenna operating at a second range of frequencies, different from the first range of frequencies. A reader/writer mechanism associated with each of the environments generates a first communication signal at the first range of frequencies and a second communication signal at the second range of frequencies. A control logic having a memory is coupled to the first and second antennas for processing the first and second communication signals and automatically generating a first or second response signal for receipt by the reader/writer mechanism via the first and second antennas, respectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.