Patent · US Expired

Multiband planar antenna

US6914574B2 · kind B2 · utility

8Cited by
5References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 11, 2001
Grant dateJul 5, 2005
Priority date
Expiry dateJul 11, 2021

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01Q13/106
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

The present invention relates to a multiband planar antenna comprising a first slot 1a dimensioned (R1) to operate at a first frequency f1 and fed by a feed line 12 positioned (Im1) in such a way that the slot lies in a short-circuit plane of the feed line, and at least one second slot 11 dimensioned (R2) to operate at a second frequency f2, the second slot being fed by the said feed line (Im2).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.