| 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 |