Patent · US Expired

Antenna array system usable for AM/FM receiver

US4395714A · kind A · utility

9Cited by
3References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 3, 1981
Grant dateJul 26, 1983
Priority date
Expiry dateMar 3, 2001

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03J3/185
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

An antenna array system which comprises at least one balanced antenna having an electric neutral point and two output end terminals positioned closely to each other, at least one unbalanced antenna having one end thereof dc-coupled with the electric neutral point of the balance antenna and the other end thereof positioned closely to the end terminals of the balanced antenna, first means for picking up a first frequency wave signal such as FM wave signal from the balanced antenna, and second means for picking up a second frequency wave signal such as an AM wave signal from the unbalanced antenna.

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