Patent · US Active

Antenna structure of a circular-polarized antenna for a vehicle

US9577347B2 · kind B2 · utility

3Cited by
13References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 19, 2013
Grant dateFeb 21, 2017
Priority date
Expiry dateNov 27, 2033

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01Q9/30
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A turnstile antenna has two dipoles which have a galvanic contact at the crossing point. The dipoles are arranged in a geometrically asymmetrical manner with respect to the crossing point. The turnstile antenna can be arranged either in a free space or over a metal plate.

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