| Patent Number |
Title Of Patent |
Date Issued |
| 7460562 |
Uplink frame at the transcoder rate adaptation unit/base transceiver station interface in a cell |
December 2, 2008 |
| An uplink transmission frame transmitted from a base transceiver station to a transcoder rate adaptation unit in a cellular mobile radio network includes in the conventional way an information area in the form of at least one data field and at least one control field, the latter includin |
| 6584807 |
Method of fabricating a component with crystalline silicon substrate |
July 1, 2003 |
| A method of fabricating a component having a crystalline silicon substrate includes the steps of depositing a layer of silica onto a crystalline silicon substrate, this silica layer being doped with dopants, and then treating the substrate. Before the doped silica layer is deposited, a |
| 6466345 |
Multiple wavelength source |
October 15, 2002 |
| Multiple wavelength source, in particular for optical communication employing a plurality of wavelength multiplexed channels, comprising a broadband light source (2) coupled to a discrete wavelength separator (3).The wavelength separator means (3) compromises cascaded refractive Bragg gr |
| 6445920 |
Virtual private network for mobile subscribers |
September 3, 2002 |
| To install a virtual private network (VN) within a given mobile-radio network (MRN), a facility is proposed which is connected to the base stations (BS) and controls the establishment and release of calls between mobile subscribers (MS1 . . . MSX) assigned to the coverage area of the |
| 6230008 |
Dual fixed/mobile communications system |
May 8, 2001 |
| A dual fixed/mobile communications system comprises a set of base stations (BS) connected to a local exchange (LE), and a set of wireless terminal stations (WTS) that communicate, by radio, with the base stations (BS) in order to provide telephone services to telephone sets (T) connected |
| 6214462 |
Enameling lacquer, process for the manufacture of the lacquer and application of the lacquer to |
April 10, 2001 |
| An enameling lacquer comprises a base first polymer and a copolymer which is compatible with said first polymer and which contains polymeric chains selected from polysiloxanes, fluorated chains and alkane chains. The lacquer is of particular application to an enameled wire comprising at |
| 6202178 |
Complementary methods for interleaving and deinterleaving data frames and corresponding forward |
March 13, 2001 |
| A method for interleaving data frames, forward error correcting device and modulator including such a device, wherein each data frame to be interleaved is divided into a plurality of codewords, each containing the same amount of data bytes. An overhead extension is added to the codewords |
| 6128502 |
Method of selecting one of at least two communications terminals, and a communications terminal |
October 3, 2000 |
| A method and terminal for use in a telecommunications infrastructure which allows a call directed to a particular subscriber to be taken selectively at one of at least two separate terminals, has the subscriber identify himself to at least one of the terminals through a subscriber identi |
| 6128488 |
Non-geostationary satellite communication systems, and station and terminal thereof |
October 3, 2000 |
| A communication system comprising a set of non-geostationary satellites provides communication links between ground stations and terminals, a communication link from a particular station via a satellite terminating at associated terminals in a limited geographical area including the |
| 6104792 |
Method of providing call charge information as well as service control facility, subscriber term |
August 15, 2000 |
| The invention concerns a method of informing a subscriber in a communication network about the charge for a desired connection, and a service control facility (SCP), a subscriber switching facility, a terminal (TA) and a communication network for carrying out this method. A subscribe |
| 6078950 |
Electrical transmission system with a broadband distribution network for TV and audio signals an |
June 20, 2000 |
| An electrical transmission system is indicated, in which a broadband distribution network (2) has a center (1) and a number of terminals (26) connected thereto, which can receive TV and Audio signals emitted by the center (1), and individual subscriber signals, and which can send upstrea |
| 6031574 |
Device for storing video data |
February 29, 2000 |
| To reduce the data in a video-server (SER), a compression of the video data of a video film is performed by coding according to the interframe method (K1). In addition, the video data of predetermined individual video pictures are coded according to the intraframe method (K2), and are st |
| 6029067 |
Virtual private network for mobile subscribers |
February 22, 2000 |
| To install a virtual private network (VN) within a given mobile-radio network (MRN), a facility is proposed which is connected to the base stations (BS) and controls the establishment and release of calls between mobile subscribers (MS1. . . MSX) assigned to the coverage area of the |
| 6014563 |
Radio system for a closed user group |
January 11, 2000 |
| To implement a radio system (PRS) for a closed user group by simple means and at low cost, a device (MONE) is proposed which connects at least one commercially available base station (BTS1, BTS2) to a telecommunication network (PSTN) via standard interfaces (PCM30, Abis). The device comp |
| 6006066 |
Transmission system with tap devices which reduce the effects of interference |
December 21, 1999 |
| A transmission system with a number of tap devices (1), which are connected to a distribution network (9). Subscriber terminals (11) can be connected to each tap device (1) present in a building (10), by means of a private, in-house network (13); these terminals can send upstream signals |
| 6003026 |
Emulator for an SQL relational-database |
December 14, 1999 |
| Method and means for porting an existing application (An) using a relational-database with SQL interface toward a hardware platform (HW2) with a reduced software configuration which does not include an SQL relational-database. The invention emulates an SQL database enabling hardware |
| 5999297 |
Method of putting binary data on an optical carrier wave, and a transmission system using the me |
December 7, 1999 |
| In a transmission system, a control circuit (4) receives an input binary sequence (T) representing data to be transmitted. The circuit encodes the sequence using a phase alternation code which differs from the phase inversion duobinary code in that the phase shifts applied to a carrier |
| 5995835 |
Method of handing over a call set up with a mobile station from one cell to another within a cel |
November 30, 1999 |
| The safe method of handing over a call set up with a mobile station (M) comprise the following cyclic steps:a following base station (B(n)) receives (ET3) UP data (DM) of the call in a following channel (CH2), which UP data is transmitted by the mobile station (M) in a current channel (C |
| 5995530 |
Interferometric semiconductor laser with low-loss coupling of light therefrom and an arrangement |
November 30, 1999 |
| An interferometric semiconductor laser (YL) as well as optoelectronic arrangements with such a laser are disclosed. The laser has a special coupling segment (Z) which allows high optical output to be obtained without affecting the filtering function or significantly restricting the t |
| 5974126 |
Method and telecommunications network for control of mass calling |
October 26, 1999 |
| It is proposed that in a telecommunications network (KN) for control of mass callings to subscribers of the telecommunications network (KN) with exchanges (VST1, . . . , VST7), each of which has a control means (SM1), to perform measurements to detect a mass calling to a subscriber e |
| 5974125 |
Telephone exchange with a further unit |
October 26, 1999 |
| Telephone exchange with associated voice mail device is connected to a calling subscriber after a predetermined time if the called subscriber does not answer the call, as well as method to store such voice messages in such a device, whereby the voice mail device is able to store voice |
| 5966643 |
Hand-held radiotelephone having two-part construction |
October 12, 1999 |
| Known hand-held mobile radiotelephones and cordless telephones have the dimensions of a handset, and their antennas radiate near the user's head; such may be improved by providing a hand-held radiotelephone which is of a compact design and fully user-controllable and exposes the user to |
| 5963885 |
Sensing circuit |
October 5, 1999 |
| The sensing circuit is used in an Asymmetric Digital Subscriber Line (ADSL) transmission system to detect a wave signal with a predetermined shape in an input signal (IN1/IN2) transmitted over the system and applied to an input terminal (IN1/IN2) of the sensing circuit. It includes two b |
| 5946628 |
Method and circuit arrangement for the access of cordless terminals to a telecommunications syst |
August 31, 1999 |
| The essential functions and characteristics of a telecommunications system with cordless terminals are established by the known DECT standard. On the one hand, the invention has the task of reducing the cost of ADPCM/PCM transcoders in DECT or DECT-like systems, and on the other to impro |
| 5943459 |
Optical coupling arrangement |
August 24, 1999 |
| An optical duplexer, configured as a directional coupler, is integrated into an optical coupling arrangement with a fiber optic pigtail, constructed in planar-optical hybrid technology on a substrate (1). To reduce the required surface area and decrease optical cross talk, the branch |
| 5940805 |
Method of selling data records as well as vending apparatus, memory device, chip card, and syste |
August 17, 1999 |
| A vending apparatus (AUT) is used to sell data records. The vending apparatus comprises a payment device (PAY), a control device (CONTR), a device for limiting the extent of utilization (RESTR), and an interface device (INTER1). The interface device (INTER1) sends a release signal to |
| 5937350 |
Train radio telephone system using home location register (HLR) |
August 10, 1999 |
| A train radio system with a simple network structure that is suitable for a safe radio transmission. The train radio system comprises radio stations (R), which are arranged along a route, and a mobile station (MS) which is mounted in a vehicle moving along the route, and comprises a tran |
| 5933467 |
Multirate receive device and method using a single adaptive interpolation filter |
August 3, 1999 |
| A device for receiving a source digital signal transmitted at one or more source symbol frequencies F.sub.s samples a received analog signal transposed into the baseband and delivers an entirely demodulated sample signal. The sampling frequency F.sub.e complies with the generalized s |
| 5930707 |
System for remotely testing a cellphone base station |
July 27, 1999 |
| To enable testing of lightly loaded, remote base stations 2, a mobile phone 3 located within the cell is programmed to dial a test number via the public switched telephone network (PSTN). The test number generates an audio signal, e.g. a fixed tone which is transmitted to the mobile phon |
| 5930262 |
Method for TDMA management, central station, terminal station and network system to perform this |
July 27, 1999 |
| The method is used in a system comprising a central station (CS) coupled to each of a plurality of terminal stations (TS1-TSn), wherein the central station (CS) is enabled to transmit downstream frames (DS) to the terminal stations to allow the terminal stations to transfer upstream fram |
| 5926299 |
System for distributing optical signals |
July 20, 1999 |
| The invention relates to a system for distributing amplified optical signals, the system comprising an optical star coupler having at least two inputs, each input of said coupler being connected to the output of a respective optical amplifier whose input receives an optical signal. A |
| 5920835 |
Method and apparatus for processing and transmitting text documents generated from speech |
July 6, 1999 |
| Generating, sending, receiving and commenting a text document via a telecommunication installation. A text document is generated by means of speech and converted into text data by a speech recognizer (SEK). The text data can be corrected, edited and commented by means of speech. Tran |
| 5920800 |
Broadband distribution system and method therefor |
July 6, 1999 |
| In a broadband distribution system (SYS) for distributing television signals (TVS) and video signals (VOD), the return channel provided for requesting video signals is divided among the subscribers (TN) of the broadband distribution system (SYS) in such a way, that each group of subs |
| 5917870 |
Synchronization monitoring in a network element |
June 29, 1999 |
| In digital transmission systems, such as synchronous transmission systems according to the SDH/SONET standard, there is a need to have information on the synchronization status of the system. A known approach is to monitor the pointer activity. This is disadvantageous in that because of |
| 5914948 |
Mobile radio system with time-division multiplexing |
June 22, 1999 |
| A mobile radio system that permits broadband radio transmission in which a mobile station (MS) can be assigned a plurality of subscriber channels (TCH) of different widths. To accomplish this, concentrators (SMX) are connected to the base stations (BS, BS') of the mobile radio system and |
| 5911015 |
Polarization-independent Kerr modulator, and an all-optical clock recovery circuit including suc |
June 8, 1999 |
| The invention relates to a Kerr type optical modulator and to an all-optical clock recovery circuit operating by active mode locking of a fiber loop laser including such a modulator. Operation is independent of the polarization of the signals presented to the signal input, at wavelen |
| 5903376 |
Optical transmitter for an optical communication system in connection with a radio system |
May 11, 1999 |
| A prior art optical transmitter for an optical communication system having a radio system connected thereto comprises a DFB laser, an optical modulator, a signal source, and an optical filter. This optical transmitter transmits light which is not modulated by an intelligence signal. |
| 5898676 |
Method, communication system and conference unit for carrying out conferences |
April 27, 1999 |
| It is proposed to use several distributed conference units (KE1, KE2) in a conference system (KS) for carrying out conferences, particularly broadband conferences, and to mix the signals (S1 . . . S4). The signals (S1 . . . S4) from subscriber stations (T1 . . . T4) involved in the c |
| 5898670 |
Bursty traffic multiplexing arrangement and method for shaping and multiplexing bursty input flo |
April 27, 1999 |
| A bursty traffic multiplexing arrangement (A) includes a multiplexing unit (MUX) to multiplex a plurality of bursty input flows (IF1, . . . , IFI, . . . , IFN) into an output flow (OF). Congestion due to insufficient throughput capacity of the multiplexing unit (MUX) is avoided by in |
| 5898456 |
Communication system with hierarchical server structure |
April 27, 1999 |
| A communication system (KS) with a hierarchical server structure is indicated for a demand service, which makes possible a suitable compliance with requests for services from users (U1 . . . UN). To that end, the communication system (KS), as viewed by the respective user (U1 . . . UN), |
| 5896212 |
Wavelength division multiplexing optical communication network |
April 20, 1999 |
| To simplify the connection protocols of an optical communication network using wavelength division multiplexing and to increase the throughput of the network, each node sends messages on a specific wavelength and associates destination labels with them. A network controller receives the |
| 5886996 |
Synchronous digital communication system with a hierarchical synchronization network |
March 23, 1999 |
| In synchronous digital communication systems using a synchronization quality marker (SSM), timing loops can be created. To avoid such timing loops, a synchronous digital communication system is provided having network elements (NE11, . . . , NE33) in which two classes (top, bottom) a |
| 5880650 |
Dielectric resonator for a microwave filter, and a filter including such a resonator |
March 9, 1999 |
| A multimode composite resonator, in particular for a microwave filter, includes a resonant cavity, a dielectric resonator element disposed inside the cavity, a tuning element for each mode and a coupling element for coupling between modes. The resonator element is shaped to have plural |
| 5870680 |
Method and an apparatus for placing devices on standby in a system including a portable mobile t |
February 9, 1999 |
| A method and apparatus for conserving energy in a system including first and second devices interconnected by a data communication link via respective first and second interfaces in the first and second devices by sending a message over the link to put the interface in one device on |
| 5870432 |
Method for transmission line impulse response equalization and a device to perform this method |
February 9, 1999 |
| A set of parameters (W) is calculated for an equalizer which equalizes a transmission line impulse response (LIR) in such a way that the equalized impulse response (EIR) approximates a target impulse response (TIR) with predetermined length (L). An error function (E) is minimized via |
| 5860121 |
Method and apparatus for programming electrically reprogrammable non-volatile memory and a unit |
January 12, 1999 |
| A method and apparatus for programming electrically reprogrammable non-volatile memory associated with a processor which is also conventionally associated with read/write memory, both of which memories are necessary to operate the processor in a determined manner, optionally within s |
| 5859610 |
Method and a system for locating ground equipment transmitting via satellites |
January 12, 1999 |
| A method and a system for locating ground equipment transmitting signals to a geostationary satellite, the method and the system being based on identifying the arrival directions of such signals within the coverage zone of the satellite. In the method, the arrival directions of the s |
| 5854976 |
Subscriber identity authentication in fixed cellular terminals |
December 29, 1998 |
| The fixed cellular terminals (TCF) include a subscriber identity module which, in order to permit authentication of the identity of the subscriber (U) without any intervention on his part, is fixed. It is of particular application in fixed cellular terminals (TCF) of the GSM type that fo |
| 5848205 |
Polarization independent non-linear optical mirror |
December 8, 1998 |
| The invention relates to a non-linear optical mirror comprising an optical fiber loop that operates independently of the polarizations of the signals of respective wavelengths .lambda..sub.s and .lambda..sub.c present on its signal and control inputs. The loop of the NOLM is made up of f |
| 5848070 |
Multiframe structure and handling protocol for a telecommunication network |
December 8, 1998 |
| A multiframe structure is adapted to transmit narrowband telephony signals over a broadband cable link (BCL) carrying also video or television signals. The telephony transmission occurs according to classical telephony protocols such as the channel associated signalling (CAS) or the |
