Global Patent Index - EP 0043591 A1

EP 0043591 A1 19820113 - Antenna.

Title (en)

Antenna.

Title (de)

Antenne.

Title (fr)

Antenne.

Publication

EP 0043591 A1 19820113 (EN)

Application

EP 81105311 A 19810709

Priority

US 16732980 A 19800709

Abstract (en)

An antenna for transmitting or receiving electormagnetic radiation, comprising a conductor configured to establish a closed standing wave path, and to inhibit the velocity of propagation and support a standing electromagnetic wave. An embodiment of the antenna shows a toroidal helix antenna [61], which is adapted for unbalanced feed from transmission line [62]. A sliding tap [65] is moved to a point for proper impedance matching.

IPC 1-7

H01Q 11/08

IPC 8 full level

H01Q 1/36 (2006.01); H01Q 7/00 (2006.01); H01Q 9/04 (2006.01); H01Q 9/26 (2006.01); H01Q 19/00 (2006.01); H01Q 21/00 (2006.01); H01Q 21/06 (2006.01); H01Q 21/20 (2006.01)

CPC (source: EP)

H01Q 1/36 (2013.01); H01Q 7/00 (2013.01); H01Q 9/04 (2013.01); H01Q 9/265 (2013.01)

Citation (search report)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 0043591 A1 19820113; AU 548541 B2 19851219; AU 7264481 A 19820114; CA 1186049 A 19850423; JP S5742203 A 19820309

DOCDB simple family (application)

EP 81105311 A 19810709; AU 7264481 A 19810708; CA 381325 A 19810708; JP 10632581 A 19810709