Patent · US Expired

Radiating slit antenna system

US7408518B2 · kind B2 · utility

5Cited by
6References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 1, 2004
Grant dateAug 5, 2008
Priority date
Expiry dateApr 1, 2024

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01Q21/293
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

The invention relates to an antenna system comprising a first type of antenna and second and third antennas of a second type. The first to third antennas are slots which are excited by longitudinal radiation and are placed on the same edge of the same substrate. The first antenna is placed between the second and third antennas. This system is particularly suitable for integration in a PCMCIA card.

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