Card device having antenna of two or more different frequencies
US6906670B2 · kind B2 · utility
3Cited by
1References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 16, 2003 |
| Grant date | Jun 14, 2005 |
| Priority date | — |
| Expiry date | Aug 1, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q9/42
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A wireless card device includes a board member, a processor device attached to the board member, a wireless control device attached to the board member, and coupled to the processor device, and an antenna device disposed on the board member and coupled to the wireless control device. The antenna device includes one extension to receive and transmit signals of a frequency, and another extension to receive and transmit signals of a different frequency. The antenna device may include the extensions extended from the sides of a base member, and may include a conductor arranged around the base member and the extensions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.