Patent · US Expired

Contact type antenna apparatus

US6816123B2 · kind B2 · utility

3Cited by
9References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 30, 2002
Grant dateNov 9, 2004
Priority date
Expiry dateOct 30, 2022

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01Q19/13
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

Provided is an antenna apparatus including an antenna for receiving electromagnetic radiation from an object to be measured; and a condensing element, which is constructed to surround the antenna, which is located at a center of the condensing element, wherein the condensing element reflects and condenses the electromagnetic radiation toward the antenna. The antenna apparatus according to the present invention improves the gain and electromagnetic reception efficiency of the antenna and effectively reduces interference by external unwanted noise.

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