Patent · US Expired

Film antenna apparatus

US4987424A · kind A · utility

70Cited by
13References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 13, 1989
Grant dateJan 22, 1991
Priority date
Expiry dateNov 13, 2009

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01Q9/065
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

An antenna apparatus in which flexible antennas made of a conductive material are formed on a flexible insulating sheet. An insulating film made of a synthetic resin material is used as the insulating sheet, and the antennas are formed by adhering a metal foil on the insulating sheet or by depositing a metal film on the insulating sheet.

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