Patent · US Active

Antenna device, feed circuit, and radio-wave transmission/reception method

US7952532B2 · kind B2 · utility

0Cited by
7References
17Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 25, 2009
Grant dateMay 31, 2011
Priority date
Expiry dateFeb 25, 2029

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01Q21/22
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

An antenna device of the invention comprises divider/combiner means 12 that divides or combines a received signal into signals having a first phase distribution represented by an odd function, phase adding/removing means 14-1 that adds phases having a second phase distribution represented by an even function to the signals, or removes the phases from the signals, and a plurality of antenna elements 20 arranged in an array configuration, that transmits or receives the signals to which the phases have been added.

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