Patent · US Expired

Sectional filter assembly

US5592186A · kind A · utility

7Cited by
21References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 2, 1995
Grant dateJan 7, 1997
Priority date
Expiry dateMar 2, 2015

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01Q15/0013
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A frequency selective device that consists of two or more frequency selective surfaces that are separately manufactured to exacting engineering tolerances. The two or more frequency selective surfaces are joined together by a seam in a manner such that the device appears electrically to be one surface without degrading radar system performance and aircraft low-observability characteristics.

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