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Variable-Direction Aerials And Aerial Arrays
(AREA)
Details Of Aerials
(AREA)
Abstract
A sort of loop-type face radiation antenna, having: a coil element (2) in a spiral shape formed by the core material (1) on a conductive material of rectangular frame shape where the length and width come in a proportion of 1:2 to 1:3, where the feed point (4, 4) of the metal wire is assured to the insulation of the core (1) from 1/3 to 1/4 of both long sides (3, 3) of the same end of the core.
TW085102883A1995-09-251996-03-09A loop-type face radiation antenna
TW350155B
(en)
PROCEDURE AND DEVICE FOR CONTINUOUSLY REPLACING COILS ON WINDING STATIONS, WITH ONE OR MORE COILS AND OPERATING CONTINUOUSLY, FOR THREADY MATERIAL, ESPECIALLY FOR METALLIC WIRE.