Telefonaktiebolaget Lm Ericsson (publ)

Lars Bolander

Per Ligander

Ove Persson

Anatoli Deleniv

Goran Snygg

Tomas Bergsten

Mikael Johansson

Mats Högberg

Håkan Wennström

Gunnar Skatt

A mounting arrangement and an antenna mounting device for mounting a directional antenna to fixed infrastructure. The antenna mounting device comprises a first adjustment element comprising a first end, an infrastructure part for attaching the antenna mounting device to the fixed infrastructure, and an antenna attachment part for attaching the directional antenna to the antenna mounting device. Moreover, the first adjustment element is coupled to the infrastructure part and to the antenna attachment part, and configured to adjust a first orientation of the antenna attachment part relative to an orientation of the infrastructure part, to provide adjustment in a first direction of the directional antenna. Furthermore, the first end of the first adjustment element is configured to remain at a fixed position relative to the infrastructure part, independently of the relative orientation of the infrastructure and the antenna attachment part.

Antenna mount

The present invention relates to a tuneable waveguide structure comprising a first, second, third and fourth electrically conducting inner wall. The first inner wall and the second inner wall are facing each other, and the third inner wall and the fourth inner wall are facing each other, the intended extension of the electrical field is parallel to the first inner wall and the second inner wall, and perpendicular to the third inner wall and the fourth inner wall. The waveguide structure comprises at least one tuning device that comprises a wall part that is movably arranged along an extension that is perpendicular to the intended extension of the electrical field. Each wall part is at least indirectly connected to support rods that are in sliding engagement with a corresponding sloped surface that is laterally adjustable in the extension of the slope. Each wall part may be constituted by an electrically conducting foil.

Electrically tuneable waveguide structure

The present disclosure relates to a waveguide gasket () arranged for electrically sealing a waveguide interface () between a first contact end () and second contact end () of the waveguide gasket. The waveguide gasket () comprises a plurality of electrically conducting members () that are positioned along a circumference () along which the waveguide gasket () extends. Each electrically conducting member () has a first end () and a second end () compressibly separable by a variable first height (h) along a first direction (d). Each first end () faces the first contact end () and each second end () faces the second side contact end (), where each first contact end () and each second contact end () are separated by a variable second height (h) along the first direction (d), At least one electrically conducting member () is arranged to expand only along said circumference () when compressed.

Waveguide gasket

It is provided a waveguide E-plane band-pass filter comprising a tubular, electrically conductive waveguide body. An electrically conductive foil is arranged in the waveguide body and extending along a longitudinal direction of the waveguide body, the foil comprising a plurality of resonator openings. Furthermore, the waveguide body comprises at least one ridge protruding from an inner wall of the waveguide body and extending longitudinally along the longitudinal direction of the waveguide body. The foil is in mechanical contact with said at least one ridge and arranged to divide an inner volume of the waveguide body into two portions. It is also provided a diplexer, a radio transceiver, and a method for filtering a signal using such a filter.

Waveguide E-plane filter

A component for mounting on a PCB, intended to support an electronics component, with an extension in the longitudinal, lateral and vertical directions. The component has a first and a second main surface, the second main surface being intended for mounting on the PCB. The component is made in a non conducting material, with a first layer of conducting material arranged on its first main surface, the conducting layer being connected to a conducting layer on the second main surface of the component by electrically conducting means. The component's extension in the vertical direction is smaller than its extension in either the longitudinal or lateral direction.

Component for reducing mechanical stress on a PCB

The invention relates to a cover () for an electronic device (), which electronic device comprises a substrate () and at least two electronic components (), one of which generates an electromagnetic field around itself, where the cover has a first main surface () that faces towards the electronic device, comprises a material that conducts current, and is designed and arranged in such a way in relation to the electronic components that a cooling medium can pass from the first () to the second () electronic component. The invention is characterized in that, by virtue of its shape and its material content, the cover has been given an increased ability to absorb at least part of the electromagnetic field that is generated by at least one of the electronic components. Part of the increased absorbing ability has been achieved by the first main surface of the cover having a shape that minimizes the number of parallel surfaces between the electronic device and the first main surface. The cover can suitably have a number of conical protrusions protruding in the direction towards the electronic components ().

Growing community of inventors

Mölndal, Sweden

Lars Bolander