Patent · US Expired

Sheet antenna with tapered resistivity

US5959586A · kind A · utility

60Cited by
40References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 18, 1997
Grant dateSep 28, 1999
Priority date
Expiry dateJul 18, 2017

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01Q9/40
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

An antenna exhibiting a wide bandwidth, a low standing wave ratio, and a substantially omnidirectional radiation pattern. The antenna includes a sheet-like antenna element having a feedpoint, and an electromagnetic characteristic having non-uniform variation with distance across the element from the feedpoint. One use of the antenna is on a windshield.

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