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Patent Searching and Data


Title:
MULTI-BAND CONCENTRIC HELICAL ANTENNA
Document Type and Number:
WIPO Patent Application WO1997042682
Kind Code:
A3
Inventors:
GRYBOS DAVID P
HUNG CHARLES C
Application Number:
US9706810W
Publication Date:
December 11, 1997
Filing Date:
May 01, 1997
Export Citation:
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Assignee:
LEO ONE IP, L.L.C.
International Classes:
H01Q1/28; H01Q11/08; H04B7/185; (IPC1-7): H01Q11/08
Foreign References:
FR1204354A1960-01-26
US4148030A1979-04-03
FR2091927A11971-01-21
US3599220A1971-08-10
US5255005A1993-10-19
EP0666612A21995-08-09
US2611868A1952-09-23
Other References:
CARDOSO J C ET AL: "A SPHERICAL HELICAL ANTENNA" PROCEEDINGS OF THE ANTENNAS AND PROPAGATION SOCIETY INTERNATIONAL SYMPOSIUM (APSIS), ANN ARBOR, JUNE 28 - JULY 2, 1993, vol. 3, - 28 June 1993 INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS, pages 1558-1561, XP000452569
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