Title:
アンテナおよびアンテナ給電構造
Document Type and Number:
Japanese Patent JP4960348
Kind Code:
B2
Abstract:
A dielectrically-loaded helical antenna has a cylindrical ceramic core bearing metallised helical antenna elements which are coupled to a coaxial feeder structure passing axially through the core. Secured to the end face of the core is an impedance matching section in the form of a laminate board. The matching section embodies a shunt capacitance and a series inductance.
Inventors:
Raison, Oliver Paul
Christie, Andrew Robert
Clapper, Thomas Alan
Squires, John Jay.
Christie, Andrew Robert
Clapper, Thomas Alan
Squires, John Jay.
Application Number:
JP2008517585A
Publication Date:
June 27, 2012
Filing Date:
June 21, 2006
Export Citation:
Assignee:
Sarantelle Limited
International Classes:
H01Q11/08
Domestic Patent References:
| JP2002534823A | ||||
| JP2002536940A |
Attorney, Agent or Firm:
Yoshiyuki Kawaguchi
Hidemi Matsukura
Mayuko Wakuda
Tsutomu Toyama
Hidemi Matsukura
Mayuko Wakuda
Tsutomu Toyama