Abstract: An antenna control system in which various antenna elements in a vertical row are coupled by fixed transmission lines to a central feeding point for a common signal. Adjustment of the phase of the common signal is achieved by means of a linearly movable slide having dielectric body portions influencing the signal velocity along said fixed transmission lines. Further, an electrical motor is used for linearly displacing said movable slide with said dielectric body portions.

Abstract: The present invention relates to a device for adjusting the beam direction of a beam radiated from a stationary array of antenna elements. Antenna element feed points are coupled to a common source via a feed line structure having a source connection and feed connection terminals to be connected to the antenna element feed points, the feed line structure being at a distance from and in parallel to a fixed ground plane. A movable element is located adjacent to the feed line structure to change the signal phase of signal components being transferred between the source connection and the respective feed connection terminals. The movable element is movable for effecting a phase shift of the signal components to adjust the beam direction. The device is provided with a detection arrangement for detecting the absolute position of the movable element.

Abstract: The present invention relates to a device for adjusting the beam direction of a beam radiated from a stationary array of antenna elements, wherein at least two antenna element feed points are coupled to a common signal source via a feed line structure having a source connection terminal to be connected to said source and at least two feed connection terminals to be connected to said antenna element feed points, said feed line structure being at a distance from and in parallel to a fixed ground plane on at least one side of said feed line structure, wherein a movable element is located adjacent to said feed line structure so as to change the signal phase of signal components being transferred between said source connection terminal and the respective feed connection terminals, said movable element being movable for effecting a controlled phase shift of said signal components so as to adjust said beam direction.

Abstract: An antenna control system in which various antenna elements in a vertical row are coupled by fixed transmission lines to a central feeding point for a common signal. Adjustment of the phase of the common signal is achieved by means of a linearly movable slide having dielectric body portions influencing the signal velocity along said fixed transmission lines. Further, an electrical motor is used for linearly displacing said movable slide with said dielectric body portions.

Abstract: The invention generally relates to a connector (1) for receiving a cable end (12), arranged for being attached to a circuit board. The connector is provided with a through hole (10) for receiving the cable end, at least one upper lip (5) and at least one lower lip (3) with a connector recess (11, 13) therebetween for fitting onto an edge of a slit (6) in the circuit board. The connector is further provided with at least one snap holding element (4), disposed adjacent to said connector recess (11, 13), so as to engage with a portion (7) of the circuit board, adja-cent to the edge of the slit 6 in the circuit board.

Abstract: A device for adjusting the beam direction of a beam radiated from a stationary array of antenna elements. The device includes a feed line structure configured as a star with at least four line segments extending from a central source connection terminal at the centre of the star, to the respective feed connection terminals. The dielectric body with two different body portions, having different effective dielectric values, is displaceable between two end positions in a central, region of the device.

Abstract: A shielded housing of electrically conducting material for use in various electromagnetic applications. The housing comprises an upper part (10) and a lower part (20), each part having two side flanges (12, 13, 22, 23). When the housing is assembled, one of the pairs of side flanges fits resiliently inside the other pair, and the mutually contacting side flanges exert a surface contact pressure against each other, so as to jointly form sidewalls of the housing.

Abstract: The invention generally relates to a connector (1) for receiving a cable end (12), arranged for being attached to a circuit board. The connector is provided with a through hole (10) for receiving the cable end, at least one upper lip (5) and at least one lower lip (3) with a connector recess (11, 13) therebetween for fitting onto an edge of a slit (6) in the circuit board. The connector is further provided with at least one snap holding element (4), disposed adjacent to said connector recess (11, 13), so as to engage with a portion (7) of the circuit board, adja-cent to the edge of the slit 6 in the circuit board.

Abstract: A device for adjusting the beam direction of a beam radiated from a stationary array of antenna elements. The device comprises a feed line structure configured as a star with at least four line segments extending from a central source connection terminal at the centre of the star, to the respective feed connection terminals (100). The dielectric body with two different body portions, having different effective dielectric values, is displaceable between two end positions in a central, region of the device.

Abstract: A shielded housing of electrically conducting material for use in various electromagnetic applications. The housing comprises an upper part (10) and a lower part (20), each part having two side flanges (12, 13, 22, 23). When the housing is assembled, one of the pairs of side flanges fits resiliently inside the other pair, and the mutually contacting side flanges exert a surface contact pressure against each other, so as to jointly form sidewalls of the housing.

Abstract: A mounting bracket useful for securing a base, such as an antenna to a pole, a tube or a post, or a similar anchor support, and including a first clamp part, being a base clamp, to be secured to the base (the antenna) adapted to be locked against the pole, and a second clamp part, being tightening clamp, adapted to partly embrace the pole and to be tightened to the base clamp with the pole clamped therebetween, preferably by a screw-nut connection on each side of the pole. The tightening clamp, is formed with two elongated slots extending in the longitudinal direction of the clamp, a first slot of which may be closed and the second slot of which is open at the end of the clamp.

Abstract: A method of loading goods into and unloading goods from narrow spaces located some distance above ground level is disclosed. In the method, use is made of a specially designed loading truck with a drive and steering apparatus which can be driven from one place to another and including a cargo lifting apparatus suited for lifting an entire transport carriage of cargo. The apparatus also includes a lift for vertically lifting persons adjacent to the cargo lifting apparatus to thereby provide free access to the load platform. In the method, the truck is driven to the location where the cargo is standing, the cargo is lifted by the truck, the truck is driven to a position adjacent to the unloading place, the transport carriage is lifted until the uppermost layer of cargo is level with the unloading place, and the person lifting device is lifted to a convenient position adjacent the cargo and luggage is unloaded.