Hidden wideband antenna
US6542123B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 24, 2001 |
| Grant date | Apr 1, 2003 |
| Priority date | — |
| Expiry date | Oct 24, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q9/0442
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A hidden wideband antenna which is provided with an integrally shaped metal sheet, the metal sheet is provided with an open slot with a predetermined length on the main sheet thereof to partition it into a long section and a short section both of a partial wavelength respectively of multi-resonance frequencies, a signal feed-in contact piece and a grounding contact piece are provided at one corner of the main sheet by punching; an inwardly recessed section is provided along the long section to form a U-shape space, and a bent back section bent upwardly is provided at the outermost edge of the long section, the bent back section is provided with a protruding portion facing to the U-shape space of the inwardly recessed section to function as an open stub for adjusting the frequency matching and increasing the bandwidth of the hidden antenna.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.