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Title: Band-notched spiral antenna

Patent ·
OSTI ID:1425941

A band-notched spiral antenna having one or more spiral arms extending from a radially inner end to a radially outer end for transmitting or receiving electromagnetic radiation over a frequency range, and one or more resonance structures positioned adjacent one or more segments of the spiral arm associated with a notch frequency band or bands of the frequency range so as to resonate and suppress the transmission or reception of electromagnetic radiation over said notch frequency band or bands.

Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC52-07NA27344
Assignee:
Lawrence Livermore National Security, LLC (Livermore, CA)
Patent Number(s):
9,917,356
Application Number:
14/027,132
OSTI ID:
1425941
Resource Relation:
Patent File Date: 2013 Sep 13
Country of Publication:
United States
Language:
English

References (8)

Broadband center-fed spiral antenna patent January 1981
Conical spiral antenna patent July 1990
Spiral-mode microstrip (SMM) antennas and associated methods for exciting, extracting and multiplexing the various spiral modes patent April 1997
Planar printed-circuit-board transformers with effective electromagnetic interference (EMI) shielding patent December 2002
Resonant length multi-element helical antenna patent-application January 2003
Square planar monopole antenna conference January 1999
Wideband planar monopole antennas with dual band-notched characteristics journal June 2006
Archimedean Spiral Antenna With Band-Notched Characteristics journal January 2013

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