Communications: radio wave antennas – Antennas – Slot type
Patent
1991-09-20
1993-04-13
Hille, Rolf
Communications: radio wave antennas
Antennas
Slot type
343700MS, H01Q 1310
Patent
active
052026981
ABSTRACT:
A directional radiocommunication array for radiocommunication antennas comprises an array of N adjacent radiating elements connected in series by a main line and spaced by a quarter-wavelength on the main line. The directional array comprises an insulative substrate on a first side of which are disposed along a first direction adjacent radiating elements in the form of thin metal layers, each radiating element comprising a radiating slot which widens in a linear manner to either side of an axis from a short-circuited secondary slot line on this axis perpendicular to the first direction and parallel to a second or main propagation direction. Each radiating element is insulated from an adjacent element by a decoupling short-circuited quarter-wavelength slot line. The main line is a coaxial cable substantially perpendicular to each secondary slot line and having a central core and an outer conductive sheath. The sheath of the coaxial cable is stripped at each secondary line over a length substantially equal to the width of the secondary line and connected to two excitation points of the secondary line.
REFERENCES:
patent: 4353072 (1982-10-01), Monser
patent: 4356497 (1982-10-01), Dudome
patent: 4843403 (1989-06-01), Lalezari et al.
patent: 5023623 (1991-06-01), Kreinheder et al.
Hille Rolf
Le Hoang-anh
Societe Technique d'Application et de Recherche Electronique
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