Patent · US Expired

On-board antenna

US6924774B2 · kind B2 · utility

4Cited by
8References
7Claims
0Family size

Assignees

Inventors

Key dates

Filing dateDec 24, 2003
Grant dateAug 2, 2005
Priority date
Expiry dateJan 25, 2024

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01Q13/18
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

An on-board antenna comprising a radiation element provided on a dielectric substrate, a grounding conductor surrounding a periphery of an outer edge portion of the radiation element at a position spaced away outwardly from the outer edge portion, a substantially box-shaped reflecting member including an opening thereof. The opening of the reflecting member is closed by the surface of the dielectric substrate so as to face the radiation element, and a conductive member is provided at least partially on an inner surface of the reflecting member.

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