Patent · US Expired

Helical antenna element

US6111554A · kind A · utility

10Cited by
10References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 7, 1998
Grant dateAug 29, 2000
Priority date
Expiry dateJan 7, 2018

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01Q9/36
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A helical antenna element including a metallic coil, a dielectric support element inserted in the coil, the support element being formed with a generally hollow core, and a dielectric tuning element inserted into said core, the tuning element having at least one adjustable dimension which when adjusted, provides a tuning of an antenna characteristic.

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