Patent · US Expired

Tri-band antenna

US6864842B2 · kind B2 · utility

19Cited by
4References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 28, 2003
Grant dateMar 8, 2005
Priority date
Expiry dateMay 28, 2023

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01Q5/371
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A tri-band antenna (1) includes an insulative planar base (10), a low-frequency radiating portion (20), a high-frequency radiating portion (30), a first ground portion (40) and a signal feeder cable (70). A resonating lacuna (60) is defined between the first radiating portion (20) and the first ground portion (40). The signal feeder cable (70) includes an inner core wire (71) and a metal braiding layer (72) respectively soldered onto the connecting point of the low-frequency radiating portion (20) and the high-frequency radiating portion (30) and the first ground portion (40).

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