Patent · US Active

Adaptively tunable antennas incorporating an external probe to monitor radiated power

US8125399B2 · kind B2 · utility

185Cited by
124References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 16, 2007
Grant dateFeb 28, 2012
Priority date
Expiry dateJan 27, 2028

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01Q23/00
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

An embodiment of the present invention an apparatus, comprising an apparatus, comprising an adaptively-tuned antenna including a variable reactance network connected to the antenna, an RF field probe located near the antenna, an RF detector to sense voltage from the field probe, a controller that monitors the RF voltage and supplies control signals to a driver circuit and wherein the driver circuit converts the control signals to bias signals for the variable reactance network.

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