Dual-band antenna with twin port
US7057568B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 24, 2004 |
| Grant date | Jun 6, 2006 |
| Priority date | — |
| Expiry date | Jul 14, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q13/085
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
The invention proposes an antenna operating in two frequency bands and having two separate ports. The invention is a printed antenna with slot produced on a ground plane. Said antenna consisting of a slot 1, said antenna having a first port produced by a first microstrip line 2, the coupling between the first line 2 and the slot 1 being produced at a first distance L1 from a closed end of the slot, and a second port produced by a second microstrip line 4, the coupling between the second line 4 and the slot 1 being produced at a second distance L2 from the closed end of the slot. The invention also pertains to a system of antennas which comprises at least two twin-port antennas.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.