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| Number | Title | Issue Date |
| 6415412 | Signal used in the transmission of data in a communication system A signal used in the transmission of data in a communication system (for example in an ATM network), comprised of immediately successive cells. For the purpose of cell synchronization, filler cells (I) containing a predefined bit pattern are provided. Thi... | 07/02/2002 |
| 6243844 | Signal transmitter used in the transmission of data in a communication system A signal used in the transmission of data in a communication system including immediately successive cells for the purpose of cell synchronization, includes filler cells containing a predefined bit pattern. This pattern is provided with an error protectio... | 06/05/2001 |
| 6104723 | Network for packet-oriented data traffic Several nodes are connected to a ring structure by means of communication lines in a network for packet-oriented data traffic. Each node is connected to lines of the ring structure. A buffer circuit is provided between the high speed interfaces for readin... | 08/15/2000 |
| 6025791 | Process for the transmission of a binary data flow having signaling lines that change their status based on grey coding Four parallel lines are provided for the guided transmission of a data flow with a high rate (sub-GHz range). Two data bits per transmission clock are transmitted via these lines. The other two remaining lines are used for signaling certain changes in bot... | 02/15/2000 |
| 6014384 | Method for controlling data traffic in an ATM network For controlling the data traffic in an ATM network, in which a number of nodes are connected via a closed loop, and in which each node may be equipped with a number of access ports for sending and receiving ATM cells, the ATM cells are processed separatel... | 01/11/2000 |
| 5995572 | Method for measuring frequency shift in digital communications using synchronization sequence and channel step response In a process for demodulation of a received signal that contains, in addition to data to be transmitted, a preset synchronization sequence, the following is done to estimate a frequency shift. At least two nonoverlapping partial sequences of the synchroni... | 11/30/1999 |
| 5943020 | Flat three-dimensional antenna A flat three-dimensional antenna is built in three planes. In the first plane is a base plate, in the second plane is a slot divider bent in a U-shape, and in the third plane is resonant structure above the slot divider. The slot divider has a middle part... | 08/24/1999 |
| 5928376 | Process for receiving a signal coded and modulated according to an ETS-HIPERLAN standard A method and apparatus for receiving a signal by the ETS/HIPERLAN standard. In the method decoding is done by the BCH standard. Differential pre-coding is done and integration for cancelling transmitter side differential pre-coding is done only after BCH ... | 07/27/1999 |
| 5926511 | Process for the coherent demodulation of a reception signal In a process for the coherent demodulation of a reception signal, several coefficients of the channel impulse response are determined beforehand. The coefficients are divided into at least two gain taps and at least one loss tap. The loss taps are utilize... | 07/20/1999 |
| 5907542 | Dynamic assignment of signalling virtual channels for wireless ATM systems A wireless communication system for asynchronous transfer mode includes the dynamic assignment of signalling virtual channels and/or virtual paths for communications between a mobile terminal and a controller or control function. An access point associate... | 05/25/1999 |
| 5768272 | NT2 unit for an ATM network A NT2 (Network Termination type 2) unit comprises a terminal and control unit and an arbitrary number of identical switching units (39) which are interconnected in a loop configuration by means of two connecting lines (123, 124). Similar to an NT1 (Networ... | 06/16/1998 |
| 5701193 | Optical reflection modulator The reflection modulator (11), serving the purpose of modulating a light beam emerging from an optical fiber (42) and re-entering the same, is essentially based on a microstructural Fabry and Perot interferometer. The interferometer is formed by two paral... | 12/23/1997 |
| 5463622 | Control unit for the common memory of an ATM node An apparatus and method for controlling the common memory of an ATM-node. The nodes serve for the continuous reception and onward routing of address-labelled cells with uniform length and uniform construction. The apparatus includes means for management a... | 10/31/1995 |
| 5375118 | Apparatus for transmitting data between two parties belonging to at least one narrow band integrated services digital network For transmitting digital data between any parties of an N-ISDN network, the latter is interlinked with an ATM network. Two network adaptors are connected in each case with one node of each of the networks over incoming and outgoing lines of the respective... | 12/20/1994 |
| 5319486 | Transmission equipment with an optical transmission line The transmission equipment includes a plurality of subscriber nodes which are connected serially to an optical fiber. Every node comprises an access unit with at least one directional coupler, an address detection unit, a receiver, a synchronization unit,... | 06/07/1994 |
| 5319643 | Method for shortening a distributed queue A method for shortening a distributed queue, the distributed queue being formed by the first node and the second node which communicate using packets transmitted and received over first and second buses, the first and second nodes having first and second ... | 06/07/1994 |
| 5227907 | Method and device for decentralized transmission of data on a transmission line Every subscriber node connected to an optical fiber comprises an access unit with a directional coupler which is controlled via an output amplifier, an optoelectric converter being connected subsequent to the directional coupler. Packets run on the fiber.... | 07/13/1993 |
| 5220448 | Bit and frame synchronization unit for an access node of optical transmission equipment The bit and frame synchronization unit (51) serves for the synchronization of an access node to the bit stream running along an optical fiber. The unit (51) comprises an optical switching element (57) which can be controlled electrically and serves as a light ... | 06/15/1993 |
| 5214703 | Device for the conversion of a digital block and use of same The device (12) comprises nine encryption stages (61.1, 61.2, 69), the first eight of which are constructed identically. It further comprises a key subblock generation unit (63), an input unit (21), and an output unit (79). It serves for the block-by-bloc... | 05/25/1993 |
| 5170412 | Multiple access method In a multiple access method for the simultaneous exchange of several data streams ({B1,m }, {B2,m }, {B3,m }) among several participants of a transmission system, various data streams ({B1,m }, {B2,m ... | 12/08/1992 |
