Patent · US Expired

Antenna assembly

US7012569B2 · kind B2 · utility

6Cited by
6References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 18, 2001
Grant dateMar 14, 2006
Priority date
Expiry dateMay 1, 2022

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01Q9/045
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

The present invention provides an antenna array for ascertaining the distance between vehicles and their speed, which includes devices for receiving or transmitting signal waves, a multi-layer carrier situated underneath the devices, a first potential surface, which is at ground and which is situated on the surface of the carrier facing the devices, coupling devices located in the first potential surface, electrical connecting sections disposed as closely as possible underneath the first potential surface, and a second potential surface which is located underneath the connecting sections and is at mass.

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