Data carrier system
US6118367A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 20, 1997 |
| Grant date | Sep 12, 2000 |
| Priority date | — |
| Expiry date | Nov 20, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q7/00
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A data carrier system is provided including: a main apparatus including a first control unit for outputting a first signal and a first coil unit having at least a transmission coil for transmitting the first signal; a tuner circuit unit having a tuner circuit being tuned with the frequency of the first signal, the tuner circuit having a tuning coil disposed facing the transmission coil of the first coil unit; and a tag including a second coil unit having at least a reception coil and a second control unit for performing a predetermined control operation in accordance with the first signal transmitted from the main apparatus and received by the reception coil of the second coil unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.