Patent · US Expired

Vehicle mounted satellite antenna embedded within moonroof or sunroof

US7227508B2 · kind B2 · utility

14Cited by
17References
27Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 7, 2004
Grant dateJun 5, 2007
Priority date
Expiry dateJun 4, 2024

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01Q21/24
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

The present invention relates to a vehicle mountable satellite antenna as defined in the claims which is operable while the vehicle is in motion. The satellite antenna of the present invention can be installed on top of (or embedded into) the roof of a vehicle. The antenna is capable of providing high gain and a narrow antenna beam for aiming at a satellite direction and enabling broadband communication to vehicle. The present invention provides a vehicle mounted satellite antenna which has low axial ratio, high efficiency and has low grating lobes gain. The vehicle mounted satellite antenna of the present invention provides two simultaneous polarization states.

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