Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 5905714 | Method for rerouting a packet-mode data connection A method for rerouting a packet-mode data connection, especially a frame relay network data connection, in which, traffic transmitted between two nodes is transferred from a first route to be disabled to a second, new route. In a rerouting situation, data... | 05/18/1999 |
| 5898673 | System and method for prevention of cell loss due to quality of service contracts in an ATM network A data traffic network 200 in which excess cells, or cells whose transfer is expected to cause the user to exceed the QoS traffic contract bandwidth limit, are transferred to a destination node 300b via an alternate or secondary network 212. More particul... | 04/27/1999 |
| 5848055 | Bandwidth correlation means for paths in connection-oriented packet switching networks An alternate path can be established in a connection-oriented packet switching network by correlating the bandwidth reservation of this alternate path with the bandwidth reservation of an active path on trunks through which both paths pass. The alternate ... | 12/08/1998 |
| 5838248 | Electronic arrangement and communication control method therefor An electronic arrangement in a communication system for performing data communications among a plurality of electronic devices connected together through a bus and a method for controlling the communication system. The electronic arrangement includes a mo... | 11/17/1998 |
| 5828729 | Automated mass calling detection using CCS7 message parameters In a telephone network having a number of telephone switching offices which have CCS7 signalling capabilities and wherein each switching office is linked to STPs (Signalling Transfer Points), or other switching offices with CCS7 signalling links, a method... | 10/27/1998 |
| 5828655 | Hybrid access system with quality-based channel switching An asymmetric network communication system for use in a client-server environment having independent forward and return channels operating at different speeds and/or under different protocols on the same or different communication media to provide efficie... | 10/27/1998 |
| 5781529 | Systems and methods for routing ATM switched virtual circuit calls The invention routes SVC ATM call setups by utilizing one of a plurality of designated transit lists (DTLs) stored at an originating node. The DTLs describe all routes in the network from the originating node to endpoint destinations. When a call setup me... | 07/14/1998 |
| 5687013 | Optical communication system having loop-back function for informing congestion state of receiving node An optical communication scheme is carried out by using a network having a plurality of nodes, a first network medium connected to a first group of the nodes, and a second network medium for transmitting control signals and connected to a second group of ... | 11/11/1997 |
| 5675577 | Internetwork routing using different service categories for establishing alternate route In an inter-PBX routing apparatus, calls from channels of different service categories to a destination are normally carried by a first route. A controller determines the available bandwidth remaining in the first route, classifies the channels as a first... | 10/07/1997 |
| 5633794 | Data communication system capable of bypassing malfunctioning relay units In a data communication system having a network composed of a central facility, a plurality of relay units, and a plurality of terminal units, traffic information, which may contain information about a number of calls and a total amount of communication t... | 05/27/1997 |
| 5631897 | Apparatus and method for incorporating a large number of destinations over circuit-switched wide area network connections In a wide-area computer network system providing bandwidth based on network demand, throughput, and delay requirements, distribution of network load over multiple, parallel connections from the originating node to a distinction node, an apparatus and meth... | 05/20/1997 |
| 5629928 | Dynamic fair queuing to support best effort traffic in an ATM network A flow control apparatus implemented in a virtual path ATM communication system comprising a plurality of nodes interconnected by physical links which comprise virtual paths including a plurality of virtual channels. A connection between two nodes is defi... | 05/13/1997 |
| 5615207 | Side bus to dynamically off load main bus A data communication system includes an express bus, a plurality of local buses, and a plurality of local/express bridges, each local/express bridge connecting a corresponding local bus to the express bus. A plurality of local/local bridges each connect t... | 03/25/1997 |
| 5583860 | Communications network independent designing system and managing method A designing and managing system for a communications network having a physical network and a logical network includes a designing system adaptable to a traffic fluctuation through a simple procedure, and a managing system for quickly selecting a suitable ... | 12/10/1996 |
| 5581545 | Traffic control device in private ATM network If an illegal cell number is detected three times continuously for a monitor section in a connection, then tag information including class information indicating the lowest quality class is added to a cell in the connection. If a normal cell number is det... | 12/03/1996 |
| 5539883 | Load balancing of network by maintaining in each computer information regarding current load on the computer and load on some other computers in the network A method is described of operating a computer in a network of computers using an improved load balancing technique. Logical links are generated between the computer and other computers in the network so that a tree structure is formed, the computer being ... | 07/23/1996 |
| 5504754 | Method and arrangement for the load testing of a switch for cell structured digital data A switching unit (1) for the switching through of different types of digital data in the asynchronous transfer mode, a so-called ATM-switch, is to be tested whether it is able to overcome a specific load. The installation provides for the feedback (4) fro... | 04/02/1996 |
| 5477530 | Method and apparatus for managing communications between multi-node quota-based communication systems First and second multi-node communication paths are connected via a bridge node. Each path employs a quota allocation scheme for access thereto by the nodes thereon. A first quota allocation signal is propagated on the first path and a second quota alloca... | 12/19/1995 |
| 5459777 | Telecommunications network traffic management system An international telecommunications network includes a set of international exchanges located in a particular country which connect a national telecommunications network situated in that country with networks situated in other countries. The international... | 10/17/1995 |
| 5425019 | Call accommodation system containing emergent calls and normal calls The present invention is designed such that the communication quality of a currently connected normal call is deteriorated and the transmission of the normal call is delayed in a network when an emergent call is set. As a result, the required bandwidth of... | 06/13/1995 |
| 5412652 | Sonet ring subnetwork management method A method of managing a telecommunication subnetwork system composed of a number of network elements coupled together through an optical medium to form a Synchronous Optical NETwork (SONET) ring. Each of the network elements receives upon initiation or rec... | 05/02/1995 |
| 5371731 | Network traffic management A network traffic management system and method for a relay-based communications network such as Frame Mode Bearer Service (FMBS) in which terminals (A and B) are linked by nodes (N) through which calls are routed, consists of setting a Recovery Needed fla... | 12/06/1994 |
| 5253248 | Congestion control for connectionless traffic in data networks via alternate routing A congestion control scheme for connectionless networks relieves congestion by routing a portion of traffic on a congested primary path onto a predefined alternate path constructed such that loop-freedom is guaranteed. Explicit care is taken to avoid spre... | 10/12/1993 |
| 5241533 | Packet switching network with alternate trunking function In a packet switching network, in order to transmit a packet effectively, after transmission of a first packet from a source node to a destination node, a data for inhibiting a packet from being repeating to a specific trunk line from a node is set in a r... | 08/31/1993 |
| 5241534 | Rerouting and change-back systems for asynchronous transfer mode network A change-back system is designed for an asynchronous transfer mode network in which a rerouting path is set to replace an original path when a fault is generated in the original path within the network, which network includes a plurality of communication ... | 08/31/1993 |
| 5163046 | Dynamic window sizing in a data network A method for use in a high-speed virtual circuit digital network for resizing windows of virtual circuits in nodes of the network. The resizing of a virtual circuit's window is initiated by an input router at an edge of the digital network. When the input... | 11/10/1992 |
| 5034945 | Packet switching network with alternate trunking function to repeat avoiding looped trunk A switching network having a plurality of repeater nodes, wherein each repeater node checks the number of times data packet has been received. If in excess of predetermined number, the repeater node transmits a looped trunk detection packet, the looped tr... | 07/23/1991 |
| 5014262 | Apparatus and method for detecting and eliminating call looping in a node-by-node routing network An apparatus and method for effectively managing a switched virtual circuit network by detecting and resolving call routing problems occurring in the routing pattern of the network is provided. Detecting the call routing problems is advantageously achieve... | 05/07/1991 |
| 4964119 | Method and system for packet exchange In a packet exchange system for preforming packet exchange by setting logical channels, individual input packets are assigned with information indicative of input sequence of the individual input packets counted in each call and the input sequence informa... | 10/16/1990 |
| 4905233 | Multiple path routing mechanism for packet communications network A mechanism for establishing at least one transmission route between a source node and a destination node in a multinode communications network comprises monitoring transmission characteristics of each of the transmission paths among the respective nodes ... | 02/27/1990 |
| 4799215 | High-speed packet-switched communications system with end-to-end flow control and retransmission In a packet switched communications system having a plurality of switching nodes, each user terminal transmits a packet of data-link layer control protocol including a network-layer control protocol to an adjacent switching node to cause it to be routed t... | 01/17/1989 |
| 3974340 | Data switching apparatus and method A method and apparatus for switching PCM data in a telephone exchange wherein the switch is of the time-space-time (TST) type comprising a plurality of identical inter-connected groups, each group having two separate planes in which connections may be est... | 08/10/1976 |
