Allgon Ab

John Pettersson

Stefan Jonsson

Bo Karlsson

Ingemar Hartwig

A method of producing an antenna element assembly is disclosed. The antenna element assembly (4) includes a rigid dielectric support member (1) carrying at least one radiating patch (2), the antenna element assembly being intended to be mounted onto an antenna device for transmitting and/or receiving microwave radiation. According to the invention, parasitic elements (3a, 3b) as well as the radiating patches (2) are formed onto the rigid support member by applying a conductive liquid in a screen printing process.

Method of producing an antenna element assembly

An elongated antenna, especially an omnidirectional antenna, has a vertical, elongated rod-like structure with two metal profile elements (10, 20) provided with dipole elements (2) as integral parts thereof. The rod-like structure (1) is surrounded by a tube (3). The antenna elements (2) are coupled in parallel to a single transmission coaxial cable (8). The antenna has a high gain and low losses.

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Stockholm, Sweden

John Pettersson