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Alcatel Alsthom Compagnie Generale d'Electricite Patents
Assignee:
Alcatel Alsthom Compagnie Generale d'Electricite
Address:
Paris, FR
No. of patents:
118
Patents:


1 2 3


Patent Number Title Of Patent Date Issued
7116686 Transmitter for a very high speed digital subscriber line October 3, 2006
To transparently transport an incoming clock signal (CLK2) with a known frequency over a network segment wherein transmission between a transmitter (TX) and a receiver (RX) operates synchronous to a transmit clock signal (CLK1) and receiver clock signal (CLK1') which are synchronized
7002962 Method, processor and system of providing ATM unidirectional path switched ring functionality February 21, 2006
ATM path switched ring switching is based on a ring segment BIP. An ATM VP ring segment is defined as originating at an ATM VP ring input and terminating at an ATM VP ring output. A ring segment BIP is composed of the path BIP error counts of multiple SONET/SDH paths from the ring se
6912233 Modulation/demodulation of a pilot carrier, and means to perform the modulation/demodulation June 28, 2005
For synchronization purposes, a transmitter (TX) multiplexes a pilot carrier with carriers whereon data elements (DATA) are modulated, and transmits the pilot carrier together with the modulated carriers to a receiver (RX). The immunity of the pilot carrier for interferers, such as r
6775484 Receiver for receiving optical signals August 10, 2004
A receiver (EMP1, . . . , EMPn) is disclosed for receiving optical signals from an optical transmission network (NET) serving to transmit coded, multiplexed optical signals. The receiver (EMP1, . . . , EMPn) includes a means (DEK1) for detecting the optical signals to be received, e.g.,
6694516 Method used in a telecommunication network, termination unit realizing the latter and a telecomm February 17, 2004
The method is used in a telecommunication network wherein a central station (CS) is coupled to a plurality of residences (R1,R2,R3). One of the residences (R3) includes a termination unit (TU) which is coupled to the central station (CS) via a first port (P1). The residence (R3) also
6455197 Positive active material for alkaline electrolyte storage battery nickel electrodes September 24, 2002
A positive active material for nickel electrodes of alkaline storage batteries consists of particles of hydroxide containing mainly nickel and covered with a layer of a hydroxide phase based on nickel and yttrium. The proportion of the hydroxide phase is in the range 0.15% to 3% by weigh
6025764 Input coupling adjustment arrangement for radio frequency filters February 15, 2000
An arrangement for adjustably coupling a radio frequency input port to a resonator element of the filter. The arrangement comprises a resilient conductor (19) which extends from the input port (15) into the electric field of a resonator element (2). The remote end of the resilient co
6023503 Method for deciding on the acceptance or non-acceptance of a call, as well as circuit module, co February 8, 2000
The invention relates to a method for deciding on the acceptance or non-acceptance of a call by taking into consideration data signaled in conjunction with the attempt to establish a connection to a certain subscriber who is the called party, wherein in addition to the signaled data
6018672 Arrangement for operating a mobile terminal in a wireless switching system based on different co January 25, 2000
To be able to utilize the advantages of a cordless system based on the DECT standard as well as the advantages of a cellular mobile radio system based on the GSM standard, dual-mode units are known which switch automatically to the lower cost standard. The expense of such units and of th
6002755 Method for providing call-charge information as well as call-charge device, subscriber terminal December 14, 1999
The invention relates to a method for providing a subscriber (SUB1) with information relating to call-charges for telecommunication services associated with a communication link, as well as a call-charge device (CHARGE), a subscriber terminal (TE4) and a service unit for carrying out
5991294 Method of establishing a multichannel connection, as well as switching facilities, communication November 23, 1999
The invention concerns a method of establishing a multichannel connection comprising N channels, two switching facilities, a communications network, and a transmit-side and a receive-side access facility to a communications network. When a multichannel connection (SLOT3, SLOT7; SLOT5, SL
5983233 Process for managing the naming of objects, process for mapping an object name to a CORBA object November 9, 1999
In an object environment, among the plurality of objects interact, one or several objects in the number of objects are allocated to a component. The naming management is distributed over the components. Each component manages the naming of the component or components which immediately
5982442 Method and filter for reducing the blocking effect in image transmission and storage November 9, 1999
For image transmission, image data is compressed block by block, and the compressed data is transmitted and decompressed. Due to an information loss during transmission, discontinuities are visible in pictures thus restored, particularly at block boundaries ("blocking effect"). The highe
5968122 Method for propagating between views of connection object status in network October 19, 1999
A scheme for propagating, between views of a network, status information for elements of the network in a way that mirrors how the network is maintained. The propagation scheme divides the elements of the network into either connections or equipment, groups the elements in each of these
5959973 Method to control data flow rate, queuing network node and packet switching network September 28, 1999
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
5951660 Current control interface arrangement September 14, 1999
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.
5949376 Dual polarization patch antenna September 7, 1999
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 fr
5949367 Device and method for classifying objects in an environmentally adaptive manner September 7, 1999
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 r
5943320 Method of charging for the use of a telecommunications service, as well as a switching system, a August 24, 1999
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 net
5940568 Planar optical waveguide, planar optical waveguide with Bragg grating, and method of fabricating August 17, 1999
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 inventio
5939668 Patch cable August 17, 1999
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. Th
5939222 Storage cell having an alkaline electrolyte, in particular a storage cell of nickel-cadmium or n August 17, 1999
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 mad
5938779 Asic control and data retrieval method and apparatus having an internal collateral test interfac August 17, 1999
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 th
5933562 Optical semiconductor component with deep ridged waveguide August 3, 1999
For use in digital optical telecommunication systems, optical semiconductor components are shown having a transition region for the expansion of the mode field of a light wave in order to reduce losses when coupling to an optical fiber or an optical waveguide of a supporting plate. An op
5926835 Method of isolating a memory location containing an obsolete value July 20, 1999
A method of isolating a memory location containing an obsolete value of a variable, in a shared memory of a computer, said location being referenced via a pointer for access in the context of a first transaction, a lock called a "hold" being placed on said location and being assigned to
5926536 Method of establishing a connection as well as an exchange, service computer and communications July 20, 1999
A requesting terminal signals a call request (CALL) to a control unit of a first communications network. The control unit then determines whether sufficient capacity is available in the first communications network to establish the connection requested by the call request. In the event o
5926513 Receiver with analog and digital channel selectivity July 20, 1999
A radio receiver for receiving radio frequency (RF) signals includes an analog down-converting and filtering section for down-converting and selecting the RF signals to an intermediate passband and a stopband which substantially determine the widest bandwidth of operation of the radio
5923652 Method for tying additional function modules into a controlling facility of a switching system, July 13, 1999
The invention relates to a method for tying additional function modules into a control facility of a switching system and to a switching system. A switching system comprises a control facility (CONTR) provided with a plurality of basic function modules (APP1 to APP3, BP1 to BP4) which ar
5920419 Quantum well electro-optical modulator July 6, 1999
In order to operate at high frequencies and at high optical powers without reducing the possible depth of modulation, a quantum well electro-optical modulator has a semiconductor structure of III-V elements including, in succession, an n doped layer, an undoped layer, a quantum well acti
5917816 Centralized interworking function for a mobile radio network June 29, 1999
During data transmissions between a mobile radio network and a telecommunications network, in order to adapt the data signals to the protocols and modulation rates used by said networks, adaptation processors which perform so-called interworking functions are used which are either im
5911023 Polyolefin materials suitable for optical fiber cable components June 8, 1999
Optical fiber cable components such as buffer tubes, filler rods, or jackets are produced using a thermoplastic polyolefin characterized by a high melt flow index. The use of material with a high melt flow index versus conventional "extrusion grade" materials which are characterized by
5909489 Method of and circuit arrangement for improving the transmission properties of an echo affected June 1, 1999
When telecommunications systems with analog and digital circuit technology are interconnected, the two-wire/four-wire transitions are achieved with hybrid circuits in which mismatches cannot be avoided. They result in signal reflections in the form of interfering echoes which can con
5907228 Rotating machine control command method, servocontrol system for implementing said method, rotat May 25, 1999
In a method of regulating a rotating machine with n phases fed with alternating current by a voltage inverter including n SPmLL defining m.sup.n states V.sub.i (i.epsilon.{1, . . , m.sup.n }) of the stator phase voltage vector V.sub.s, the machine having an electromagnetic torque T.s
5905896 Method of changing software version in a computer system comprising a plurality of stations, and May 18, 1999
A method for automatically changing software version in a computer system comprising a plurality of stations that are to execute in parallel a plurality of replicas of the same software. A series of successively messages, communication protocol, between a master station and each slave
5905635 Multi-level electronic module assembly May 18, 1999
An assembly of electronic modules comprises electronic modules supported by a support structure. Each electronic module is in the form of electronic components stacked on at least two levels which are separated by an intermediate layer. Each electronic module comprises at least one hole
5905524 Digital ISDN video server May 18, 1999
Creation of a digital ISDN server for distribution and interactive services in video telephony, which can be used for a great number of video telephones including video telephones of different designs. Provision of video and audio signals with different formats and different transmission
5905106 Composition that is extrudable and curable in air May 18, 1999
The composition is constituted by a mixture comprising a thermoplastic material, a hydrolysable silane compound, an elastomer, and a peroxide, said thermoplastic material and said silane compound carrying respective groups that react with each other. The composition including a filler
5903612 Method to synchronize data and a transmitter and a receiver realizing said method May 11, 1999
A method to realize synchronization in a receiver (RX), of data (DAT) sent from a transmitter (TX) to the receiver (RX), with a signal (SIG) available in the receiver (RX). The method includes the following steps:in the receiver (RX) generating trigger signals (T) from the signal (SIG) a
5903384 Wavelength converter suitable for high bit rates May 11, 1999
A wavelength converter is disclosed having a Sagnac interferometer (NOLM, nonlinear optical loop mirror) as its essential part. In order that the wavelength converter can also be used for NRZ (nonreturn-to-zero) signals, it has a 3.times.3 coupler (2) with six ports (6-11).
5903368 Method and a system for optical communications with passive routing May 11, 1999
Optical pulses carrying information to be conveyed are routed, for each pulse, by the intensity of the pulse. The pulses may be solitons. The invention is particularly applicable to long distance communications.
5901143 Method of operating a broadband link between a mobile terminal and a network-side mobile radio f May 4, 1999
The invention concerns a method of operating a broadband link for the exchange of data (DAT) between a mobile terminal (MS) and a network-side mobile radio facility (MSC), as well as the mobile terminal (MS), the network-side mobile radio facility (MSC) and a mobile radio system. Two or
5894472 Packet access method in a cellular digital radio-communications system April 13, 1999
A method of performing cellular digital radiocommunications in a TDMA system implemented within a network of geographical cells through which mobile stations (SM1 to SM22) travel, a base station being associated with each of the cells, a mobile station communicating via the base station
5892874 Abrasion resistant submarine cable arrangement April 6, 1999
An electric and/or optical submarine cable arrangement which bridges the weight/strength gap that exists between armoured and unarmoured cable. A stranded armour layer (6) comprises alternate strands of steel wire (7) and polymeric filler (8). Such a cable has sufficient strength to supp
5892873 Optical cable with extruded peripheral reinforcements April 6, 1999
An optical cable has a core containing optical fibers, non-metallic peripheral reinforcements to armor the cable and a thermoplastics material outer sheath. It is fabricated by a method including successive steps of applying reinforcements to the core, extruding the sheath over the r
5887094 Band-pass filter in an optical waveguide March 23, 1999
A band-pass filter written into an optical waveguide includes at least one Bragg grating creating coupling between two propagation modes. In one version the pitch of the grating is equal to the length of beating of these two modes, to create codirectional coupling for the LP01 and LP0i
5886913 Method of synthesizing a finite impulse response digital filter and filter obtained by this meth March 23, 1999
A method of synthesizing a finite impulse response digital filter includes a phase of calculating the impulse response g(t) of an analog filter the transfer function of which is defined by a predetermined bandwidth B, shape factor SF and out-band attenuation level A. The coefficients of
5886588 Coupling for two electromagnetic waveguides with different cross-sectional shapes March 23, 1999
A coupling is presented for coupling two electromagnetic hollow conductors (waveguides) with different cross-sectional shapes. The coupling includes steps (S1-S3) arranged sequentially in the axial direction, having an essentially rectangular cross section and rounded corners as well as
5883551 Quadrature modulator malfunction estimator and modulator stage using it March 16, 1999
A quadrature modulator including two mixers to which two carrier signals are applied and to each of which a modulating signal is applied, output signals of the mixers being applied to a combiner to constitute a modulated signal. A defect estimator for the modulator detects a first si
5880949 Soft switching power converter comprising means for correcting the median voltage of a capacitiv March 9, 1999
A power converter comprises two main switches connecting an output either to the positive rail or to the negative rail. Two freewheel diodes for maintaining the current in the load, two snubbers and an auxiliary circuit including an auxiliary inductor in series with two auxiliary switche
5867528 Method and modem for adaptive allocation of the pilot carrier in a multi-carrier system February 2, 1999
In a multi-carrier system, the pilot carrier which is transmitted between two stations for synchronisation purposes, is re-allocated to a new frequency whenever it is disturbed by noise or a single frequency disturber in the vicinity thereof. A less noisy frequency is selected by mea
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