Abstract: As long as a queuing network node (Q) is not congested, it returns to the source terminals (S1, S2, S3, S4) transmitting data packets through this queuing network node (Q), upper packet rate values (ER) which are proportional to the actual packet rate values (CCR). The transmit rate of a source terminal (S1, S2, S3, S4) upon receipt of the upper packet rate value (ER), is controlled so that it stays below this upper packet rate value. In this way, the queuing network node (Q) allows its aggregate input rate to increase in a controlled, smooth way and does not rely on the sources (S1, S2, S3, S4) themselves. Once the queuing network node (Q) gets congested a fair share algorithm is used to determine which source terminals have to decrease their transmit rates and which source terminals are allowed to further increase their transmit rates.

Abstract: Operating mechanism for actuating an operating rod (13) of a circuit-breaker including at least one interrupter chamber filled with a pressurized dielectric gas, said operating mechanism using a tripping spring (21) held charged when the circuit-breaker is closed by a selectively operable tripping abutment (23). The operating mechanism has a resetting member formed by a member (34) moving through a wall of a sealed and closed enclosure (32) communicating with the pressurized interrupter chamber.

Abstract: A fluidized bed reactor includes an axial recirculating fluidized bed and at least first and second lateral dense fluidized beds, respectively disposed along a first and a second wall of the jacket of the reactor. Waste is fed via at least one point on the first wall of the jacket of the reactor, above the first lateral dense fluidized bed. The reactor includes at least one duct for extracting non-fluidizable heavy elements at the base of the first lateral dense fluidized bed.

Abstract: The interlock control for a circuit breaker and a disconnector comprises a moving bar for opening or closing the circuit breaker and a displacement rod for displacing a disconnector rod to open or close the disconnector. The moving bar is driven by an arm which is secured to an outlet shaft and which is rotatable in a plane perpendicular to the outlet shaft, and the displacement rod is driven via an L-shaped piece which is movable about an axis that is substantially parallel to the outlet shaft, the arm driving the L-shaped piece during a second opening or closing stage of the circuit breaker via a wheel which is fixed to the arm and which slides in a notch of the L-shaped piece. The outlet shaft makes it possible to achieve interlocking by means of a single control, thereby providing a high level of reliability and of safety.

Abstract: A device which houses the active and passive nodal point modules of telecommunication installations in the ground comprises a metal container with a removable cover and a removable support for the modules housed in the container. The modules are attached in a heat-conductive manner to the internal surface of the support. The support is made of heat-conductive material and its external surface has a number of cooling fins. Through the cooling fins, the support makes heat-conductive contact with the internal surface of the container.

Abstract: A circuit breaker which includes first arcing and permanent contacts that are mounted stationary inside an enclosure, second arcing and permanent contacts that are mounted to move inside the enclosure along a longitudinal direction and designed to co-operate with the first contacts, and a system for inserting a closure resistance, the second contacts forming a portion of equipment carrying a blast nozzle. The resistance insertion system comprises a semi-moving block which is disposed to be displaced in the longitudinal direction by the blast nozzle during a closure operation. The block carries a first switching contact designed to co-operate with a stationary second switching contact connected to the first stationary permanent contact.

Abstract: The generator circuit breaker includes synchronization means for separating its main contacts before its arcing contacts are separated. It has a lever which is hinged at one of its ends to a fixed contact piece and which is constrained to move firstly with the moving main contact and secondly with the moving arcing contact by means of a spring, and with a ramp having two horizontal levels interconnected by a sloping intermediate portion, the ramp serving as a sliding support for a trigger member which prevents or authorizes movement of the moving arcing contact. This organization makes it possible for the moving contacts to be synchronized mechanically in simple and single manner.

Abstract: A gas-insulated cable having a plurality of lengths connected end to end, each length containing three conductors with the ends of the conductors of a length having respective metal endpieces engaging in respective cylindrical terminal metal portions of the corresponding conductors of the adjacent length, the terminal portions being provided with respective internal contacts co-operating with the endpieces, wherein a respective insulating sleeve of length substantially equal to twice its diameter is disposed around each of the endpieces and between the endpiece and the inside wall of the terminal portion.

Abstract: A current control interface arrangement includes a card circuit and a connector means. The connector means is adapted to generate, from the supply voltage terminals, an enable signal which is directly correlated to the moment of insertion or extraction of the load from the power supply. The card circuit includes an active device to be coupled between a power supply terminal and a load, an enable controlled switch for delivering the correct voltage to the control terminal of the active device for turning on, respectively turning off this device and a time constant means for controlling the rate at which the active device is further rendered conductive. A very simple power supply sequencing apparatus including the current control interface arrangement allows for coupling a plurality of supply voltages to a card in descending order starting from the highest supply voltage to the lowest supply voltage.

Abstract: Neural networks are used to classify objects automatically by means of Doppler-broadened radar echo signals. The classification device KK contains a neural network (NET, NET2) which has an input layer (IL) of input nodes (IN1, . . . , IN57) for features (M) of the Doppler-broadened radar echo signals, and an output layer (OL) of output nodes (ON1, ON2, ON3) for predetermined classes to which the objects can be allocated. The neural network (NET, NET2) is adapted to the external conditions prevailing at the time of the classification operation. The adaptation takes place either via accessible input nodes (ZN1, ZN2) into which control information (SI) can be entered, and which cause the neural network (NET) to adapt to one or to several external influence factors, or via a selection device (SEL) which, from the parameters (P1, . . .

Abstract: The antenna element comprises a printed circuit board (1) on one side of which is a conductive ground plane (2); and on the other side of which are two symmetrical conductive feed tracks (3,4) which excite orthogonal slot apertures (12,13, 22, 23) etched in the ground plane. Radiation from the slots induces orthogonal currents into a radiating patch (14, 18) supported in a spaced relationship with the slots. Two signals can be radiated from the patch simultaneously with 90.degree. separation in polarization. The slots radiate to the rear as well as to the front. A symmetrical conductive cavity (17, 25) enclosing the slots contains rear radiation.

Abstract: The present invention relates to an axle, or a pair of axles forming a bogie, motorized and having wheels that rotate independently, which axle is connected to a body or a corridor connection of a vehicle either via a load-bearing cross-member, or directly via the suspension systems, the wheels of the axle being mounted to rotate independently, wherein the entire set of members that transmit motion between the motor(s) and the wheels is disposed in a load-bearing axle assembly referred to as a "stepdown gear assembly" which simultaneously performs the functions of bearing the load, of driving the axle, and of transmitting the motor torque, wherein the motor or each of the motors has its axis parallel to the axis of the axle, and wherein a large amount of modularity exists between the single-motor version and the one-motor-per-wheel version.

Abstract: The invention relates to a method for charging for the use of a telecommunication service, as well as to a switching system, a service control point and a network management facility. A service request is transmitted from a subscriber (A) via a telecommunication network (KN) of a network operator to a service-providing unit (SAPP1) of the service provider. A charge unit (BILL) of the network operator administers the charge collection for the use of the telecommunication service. The service-providing unit (SAPP1) provides the requested telecommunication service only after receipt of a confirmation message from a authorization unit (AUT) of the network operator. The charge message (M6) with data relating to a charge for using the telecommunication service is transferred from the service-providing unit (SAPP1) to the charge unit (BILL) and the charge unit (BILL) collects the charge after the confirmation message has been received.

Abstract: It is known to expose a photosensitive waveguide core to an optical interference pattern which is produced using a phase mask. Precise positioning of the phase mask above the optical waveguide is difficult if several Bragg gratings are to be produced in a confined space. The invention solves the problem of how to produce virtually arbitrarily defined refractive-index gratings in a core of an optical waveguide with high precision without the use of phase masks. To accomplish this, a buffer layer of the optical waveguide, preferably the cladding layer (CLA), is patterned in such a way that UV laser light directed to the waveguide forms an optical interference pattern in the core (COR), thereby imprinting a Bragg grating. The pattern (GST) in the buffer layer is preferably formed by etching.

Abstract: A multilevel converter including, in particular, a capacitor for each of its cells, and control means comprising means for evaluating the mean voltage across the terminals of each of the capacitors, means for measuring any difference on each of said capacitors between the evaluated mean charge voltage and the nominal mean charge voltage of the capacitor, and additional control means changing the time positions of the converter control signals in a direction such that the measured difference is reduced.

Abstract: ASIC (Application-Specific Integrated Circuit) testability, troubleshooting access and visibility of internal circuitry are the primary targets of test engineering analysis. The widely applied boundary-scan technique is a useful interface but does not solve all problems connected with the PBA (Printed Board Assembly) manufacturing process. The invention provides an extension of the boundary-scan technique currently implemented to provide improved ASIC testability. The Collateral ASIC Test (method and logic) implemented in a boundary-scan device according to the invention makes possible a test process standardization to ASIC design and testing.

Abstract: A spirally wound storage cell having an alkaline electrolyte, the storage cell being in particular of the nickel-cadmium type or of the nickel metal hydride type, and including at least one positive electrode and at least one negative electrode on either side of a non-woven separator made up of fibers made exclusively of polypropylene, said storage cell being characterized by the fact that said separator (5) comprises first and second superposed layers, said first layer (6) being obtained by the "spun-bond" method and serving as a support, and said second layer (7) being obtained by needling fibers on said first layer, the needling tangling the fibers of the second layer together, and bonding them to the fibers of the first layer.

Abstract: A shielded patch cable has a series of wires and a first foil of an electrical conductive material, the first foil surrounding the series of wires over their length. The patch cable also has a capacitor for preventing the formation of a grounding loop upon connection of the cable. The capacitor is formed by the first foil surrounded by an intermediate layer of an electrical insulating material, which insulating material is surrounded by a second foil of an electrical conductive material.

Abstract: A compressed gas interrupter comprises two contact assemblies each including at least one wear contact and one of which is mobile along an axis relative to the other, which is fixed. The mobile contact assembly is moved along the axis by an insulative maneuvering rod and has a gas compression chamber which, in the open position, communicates via an insulative nozzle with an expansion chamber. The compression chamber includes a piston attached to the hollow wear contact of the mobile contact assembly and which slides in a cylinder attached to the maneuvering rod, the cylinder delimiting the compression chamber with the piston and the nozzle. The hollow wear contact is mobile relative to the maneuvering rod. A system using balls immobilizes the hollow wear contact during initial travel of the maneuvering rod to open the interrupter and constrains the hollow wear contact to move with the maneuvering rod at the end of its travel.

Abstract: An electric switch for use in a five-pole isolating switch used as a phase inverter has a fixed contact and a mobile contact cooperating with the fixed contact to open or close an electrical line. The mobile contact is moved in a longitudinal direction by an articulated pair of levers. An isolating switch used as a phase inverter having five switches comprises a single three-position actuator for maneuvering the mobile contacts through a linkage.