The invention relates to a lighting element comprising an insulating plate and two rows of LEDs which are fixed to the top and bottom of said plate. The LEDs are connected in series or in parallel and both ends of said plate are provided with electrical contacts which are connected to the LED branches and which are intended to be fixed to the electrical supply terminals.

A record carrier has at least two parallel substantially co-extending information layers that are suitable for scanning by a single scanning head. Each information layer has a control block for storing information for controlling the scanning of user information stored in the respective information layer. The control blocks are placed in the record carrier such that they can be sequentially read by a scanning device, with minimum displacement of a scanning head. The user information may be store...

The invention relates to an antenna diversity comprising a first and a second antenna element where the first antenna element is operated in an active mode whereas the second antenna element is operated in a parasitic mode. The present invention minimizes the amount of mismatch while still being able to maximize a predetermined signal quality criterion for the electromagnetic signal on the active path between the first antenna element and the transceiver. By providing a pre-selection unit 130 as...

In a transition rail (1) for the connection of rails having different rail cross sections (2, 3), the transition rail (1) comprises two transition zones (a,c), wherein in a first transition zone (c) the larger-height cross-sectional profile is reshaped to transition into a smaller profile height and in the following, second transition zone (a) the rail foot is worked to match the new profile of the consecutive rail foot. The method for producing the transition rail is characterized in that the t...

A linear motor and a linear compressor including said motor. The linear motor comprises a set of inner laminations (90), forming the stator, mounted around the outer circumference of a fixed member (60), and a set of outer laminations (30) mounted spaced from the inner laminations (90). An actuator (85) is connected to a movable member (80) and carries a magnet member (86) in the space defined between the inner laminations (90) and the outer laminations (30). The upper ends of the inner laminati...

A drive system for a machine, in particular a weaving machine, is designed in a manner such that controlled electric power is applied to a rotary electric drive motor (2) as a function of particular angular positions of the motor and such that electrical energy applied to the motor is reduced or interrupted during phases of increasing angular speed of the motor. Phases of increasing angular speed are detected by the drive system to determine phases of increasing angular speed. A method for contr...

A generator/motor system and a method for operating this generator/motor system with which the filter currents are reduced. The generator/motor system has, for this purpose, a rotational field machine (DM) and a pulse-controlled inverter and filter capacitors (C1, C2). The pulse-controlled inverter is formed by two identical pulse-controlled inverters (PWR1, PWR2) which each have half the rated power. During operation, depending on the necessary rotational speed switching over is performed betwe...

A method for forming a joint between a product formed of composite material including reinforcing fibers and a connecting piece includes forming the connecting piece with a shoulder within a joint region thereof and during the formation of the product, guiding the longitudinally extending reinforcing fibers of the composite material as continuous, unitary fibers through a first path within the joint region of the connecting piece toward the connecting piece shoulder, around the shoulder of the c...

An improved vibration damper for use with oscillating bodies and the method of making said damper. The damper includes an inner core member or hub, an outer inertia mass member or inertia ring surrounding and spaced from the hub, and compressible resilient damping means such as a layer of compressible elastomeric material under a limited compression and a retaining means such as a metallic band disposed between the core member and the inertia member. The damping means is chemically adhered to bo...

A process for hobble lathing, and preferred process applications, for the cutting of workpieces with non-circular or discontinuous contours on programmable lathes. The use and combination of a special program e.g. of thread cycles and hobble values for the diameter and/or the longitudinal axis or the pitch, the angle of the spindle, in option of a reciprocal-step technique and interleaved machining sequences opens up virtually infinite possibilities. The preferred applications of the process all...