| Patents for H04L 12 - Data switching networks (448,999) |
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| 01/15/1992 | EP0465604A1 Infrared network entry permission method and apparatus. |
| 01/14/1992 | US5081678 Method for utilizing an encrypted key as a key identifier in a data packet in a computer network |
| 01/14/1992 | US5081654 Parallel bit detection circuit for detecting frame synchronization information imbedded within a serial bit stream and method for carrying out same |
| 01/14/1992 | US5081648 Current mode data bus digital communications system |
| 01/14/1992 | US5081627 Status and activity monitor for contention type local area networks |
| 01/14/1992 | US5081624 Fault-tolerant serial attachment of remote high-speed i/o busses |
| 01/14/1992 | US5081623 Communication network |
| 01/14/1992 | US5081622 Method and apparatus for distributed queue multiple access in a communication system |
| 01/14/1992 | US5081621 Method and apparatus for controlling data communication on a multi-network |
| 01/14/1992 | US5081620 Bit rate reservation in an asynchronous packet network |
| 01/14/1992 | US5081452 Self-healing system for a ring link with spare ring link means |
| 01/14/1992 | US5081440 Bus coupler |
| 01/14/1992 | CA1294347C Remote interconnection of local area networks |
| 01/12/1992 | WO1992001345A1 Method for prioritizing, selectively discarding, and multiplexing differing traffic type fast packets |
| 01/12/1992 | WO1992001341A1 Highly reliable optical data system |
| 01/12/1992 | CA2087015A1 Highly reliable optical data system |
| 01/11/1992 | WO1992001347A1 Digital communication system for integrated services telephone installations |
| 01/09/1992 | WO1991011766A3 Networked facilities management system |
| 01/09/1992 | DE4021335A1 Emergency mode signalling circuit for wideband communications - responds to switching of supply voltage from both lines to single wideband peripheral line |
| 01/09/1992 | DE4014766A1 Digital transmission path quality parameter evaluation system |
| 01/08/1992 | EP0465300A1 Method for controlling the transmission level of terminal stations in a time-sharing communications network |
| 01/08/1992 | EP0465201A2 Bridge-like internet protocol router |
| 01/08/1992 | EP0465090A1 Congestion control for connectionless traffic in data networks via alternate routing |
| 01/08/1992 | EP0465027A2 Frame removal mechanism for token ring network |
| 01/08/1992 | EP0465011A2 Method of encoding an E-mail address in a fax message and routing the fax message to a destination on a network |
| 01/08/1992 | EP0464839A2 Digitally multiplexed transmission system |
| 01/08/1992 | EP0464680A2 Communication system using route setup procedure |
| 01/08/1992 | EP0464352A2 Sub-entry point interface architecture for change management in a computer network |
| 01/08/1992 | EP0464283A2 Arrangement for reserving and allocating a plurality of competing demands for an ordered bus communications network |
| 01/08/1992 | EP0464024A1 Congestion free packet network. |
| 01/07/1992 | US5079767 Method of multicast message distribution |
| 01/07/1992 | US5079766 Access unit to a local network transmission medium |
| 01/07/1992 | US5079765 Network system having a gateway apparatus for momitoring a local area network |
| 01/07/1992 | US5079764 Operation mode settable lan interconnecting apparatus |
| 01/07/1992 | US5079763 Customer premises network node access protocol |
| 01/07/1992 | US5079762 Asynchronous transfer mode switching network using waiting buffers for routing high service grade cells during congested traffic |
| 01/07/1992 | US5079760 Method for efficient distributed data communications network access network configuration |
| 01/07/1992 | US5079759 Multiplex transmission system for vehicles having a failure diagnosis function |
| 01/07/1992 | US5079628 Network system for transmitting data by radio signals |
| 01/07/1992 | CA1294024C System for switching information packets with priorities |
| 01/02/1992 | EP0463764A2 Common agent computer management system and method |
| 01/02/1992 | EP0463528A2 Method for controlling the insertion of stations into a fiber distributed data interface network |
| 01/02/1992 | EP0463316A1 Self-adjusting impedance matching driver |
| 01/02/1992 | DE3448393C2 Identification code monitoring circuit |
| 12/31/1991 | US5077787 Data communication apparatus |
| 12/31/1991 | US5077782 External analog loopback |
| 12/31/1991 | US5077756 Data network line driver |
| 12/31/1991 | US5077732 LAN with dynamically selectable multiple operational capabilities |
| 12/31/1991 | US5077698 Method and device for the high-rate transmission of data following a quasi-asynchronous mode |
| 12/31/1991 | US5077554 Control system for communication between units |
| 12/31/1991 | CA1293820C Input/output network for computer system |
| 12/31/1991 | CA1293792C Wideband/multislot switching arrangement |
| 12/30/1991 | CA2045935A1 Frame removal mechanism for token ring network |
| 12/30/1991 | CA2044363A1 Bridge-like internet protocol router |
| 12/29/1991 | CA2044022A1 Common agent computer management system and method |
| 12/27/1991 | EP0462725A2 Electronic mail handling in a mutli-user environment |
| 12/27/1991 | EP0462691A2 Data processing apparatus having a user inquiry facility |
| 12/27/1991 | EP0462572A2 A multiple access protocol |
| 12/27/1991 | EP0462542A2 Method and apparatus for managing address information utilized in message transmission and reception |
| 12/27/1991 | EP0462540A2 Rerouting and switch-back systems for asynchronous transfer mode network |
| 12/27/1991 | EP0462349A1 Broadband ring communication system and access control method |
| 12/27/1991 | EP0462294A1 Interface for send and receive access to the synchronous transmission medium of a distributed communication network |
| 12/26/1991 | WO1991020143A1 Switching element and method for controlling the same |
| 12/26/1991 | WO1991020138A1 Fiber optic communication of three-level electronic signals |
| 12/24/1991 | CA1293560C Electronic apparatus control system |
| 12/22/1991 | WO1991020144A1 Interactive communication and transport system for still pictures |
| 12/18/1991 | EP0461816A2 Communication network node used for network interconnection |
| 12/18/1991 | EP0461674A2 Communication system and communication devices having lock function |
| 12/18/1991 | EP0461408A2 Network address managing method and system |
| 12/18/1991 | EP0461309A1 Data transfer apparatus comprising a primary device connected to a plurality of secondary devices |
| 12/18/1991 | EP0461279A1 Method for routing packets by squelched flooding |
| 12/17/1991 | US5073900 Integrated cellular communications system |
| 12/15/1991 | CA2042538A1 Network address managing method and system |
| 12/12/1991 | WO1991017615A3 Diagnostic hardware for serial datalink |
| 12/11/1991 | EP0461058A2 Method for managing the distribution of documents in a data processing system |
| 12/11/1991 | EP0460884A2 Method and apparatus for determining transmission line for message transmission and reception in network system |
| 12/11/1991 | EP0460843A2 Network planning tool |
| 12/11/1991 | EP0460398A1 Passive optical telecommunication system |
| 12/11/1991 | EP0460087A1 Star data network with logical ring function preferably using token access. |
| 12/11/1991 | CN1056968A Data element switch |
| 12/10/1991 | US5072447 Pattern injector |
| 12/10/1991 | US5072443 Communications system |
| 12/10/1991 | US5072442 Multiple clock rate teleconferencing network |
| 12/10/1991 | US5072441 Packet switched information network with universal access to enhanced network services |
| 12/10/1991 | US5072440 Self-routing switching system having dual self-routing switch module network structure |
| 12/05/1991 | CA2018301A1 Packet communication system and method of clearing communication bus |
| 12/04/1991 | EP0459927A1 Method of measuring the charge of a multiplexer and circuit arrangement therefor |
| 12/04/1991 | EP0459758A2 Network adapter having memories configured as logical FIFOs to transmit and receive packet data |
| 12/04/1991 | EP0459757A2 Network adapter |
| 12/04/1991 | EP0459756A2 Fiber distributed data interface network |
| 12/04/1991 | EP0459753A2 Network access controller having logical FIFO buffer |
| 12/04/1991 | EP0459752A2 Network adapter using buffers and multiple descriptor rings |
| 12/04/1991 | EP0459325A1 Multidrop communication system |
| 12/04/1991 | EP0458782A1 Star-shaped network for data communication between stations. |
| 12/04/1991 | EP0458781A1 Process for monitoring a computer network. |
| 12/03/1991 | US5070536 Mobile radio data communication system and method |
| 12/03/1991 | US5070522 Combined signal and power distribution system |
| 12/03/1991 | US5070501 Token passing type slotted loop network system with means for enabling high speed access control and simple frame slot stripping |
| 12/03/1991 | US5070498 Call control system in atm switch |
| 12/03/1991 | US5070497 Transmission network with switchable network nodes |