Patents
Patents for H04J 3 - Time-division multiplex systems (63,408)
07/2002
07/16/2002US6421323 Method and apparatus for analyzing events in a telecommunications system
07/16/2002US6421318 Fiber optic synchronous digital hierarchy telecommunication network provided with a protection system shared on the network
07/11/2002WO2002054821A2 Digital cross-connect
07/11/2002WO2002054752A1 Method for synchronisation of two devices or apparatus connected to a telephone line
07/11/2002WO2002054662A1 Time synchronization in computer network
07/11/2002WO2002054661A1 Method for synchronization in a local area network including a store-and-forward device
07/11/2002WO2002054660A1 Method for cancelling interference during tdma transmission and/or fdma transmission
07/11/2002WO2002054648A2 Data de-skew method and system
07/11/2002WO2002054641A1 Controlled handling of far end at equipment failure in an msp+1 unidirectionnal configuration
07/11/2002WO2002054640A1 Mapping of dynamic synchronous transfer mode network onto an optical network
07/11/2002WO2002054633A1 Non-blsr protected layer 2/3 channel provisioning
07/11/2002WO2002033863A8 Data provisioning, signaling and traffic servicing network
07/11/2002WO2001084286A8 Method and communication control unit for multimaster clock synchronisation in a distributed real time computer system
07/11/2002WO2000060782A9 System and method for re-synchronizing a phase-independent first-in first-out memory
07/11/2002US20020091885 Data de-skew method and system
07/11/2002US20020090968 Wireless communication apparatus, wireless communication system adopting the same and communication method thereof
07/11/2002US20020090960 Apparatus and method for use in paging mode in wireless communications systems
07/11/2002US20020090959 Apparatus and method for use in paging mode in wireless communications systems
07/11/2002US20020090937 Apparatus and method for use in identifying presence of wireless terminals in mobile wireless communication systems
07/11/2002US20020090909 Hybrid/fiber coax video and telephony communication system with poly-phase filtering
07/11/2002US20020090045 Digital clock recovery system
07/11/2002US20020090009 Method, device and system for delay equalizing in high rate data streams
07/11/2002US20020090007 Apparatus and method for GFP frame transfer
07/11/2002US20020090000 Base station for supporting communication rate modifications
07/11/2002US20020089996 Communication node and communication unit
07/11/2002US20020089991 Cell switching method and system
07/11/2002US20020089986 Telecommunications system
07/11/2002US20020089976 Method implemented by a subscriber unit for selectively suppressing communications
07/11/2002US20020089967 Recovery of the initial packet transmitted by a terminal in a packet transmission system with a return channel
07/11/2002US20020089956 Wireless packet data distributed communications system
07/11/2002US20020089944 Frame relay protocol-based multiplex switching scheme for satellite mesh network
07/11/2002US20020089932 Method implemented by a base station for selectively suppressing communications
07/10/2002EP1221821A1 Apparatus for use in paging mode in wireless communications systems
07/10/2002EP1221815A2 Transport stream multiplexing method, transport stream multiplexing apparatus, and storage and reproduction system
07/10/2002EP1221798A2 Packet processing method and engine
07/10/2002EP1221790A2 Wireless communication apparatus, wireless communication system adopting the same and communication method thereof
07/10/2002EP1221780A1 Method and system for the interference suppression of a TDMA and/or FDMA transmission
07/10/2002EP1221231A1 Method and apparatus for supporting non-voice signal such as fascimile and compressed voice over a digital wireless link
07/10/2002EP1221216A2 Improved frame structure for an adaptive modulation wireless communication system
07/10/2002EP1221212A1 Method and apparatus for synchronization of a communication system
07/10/2002EP1221211A2 Apparatus and method for efficient tdma bandwidth allocation for tcp/ip satellite-based networks
07/10/2002EP0740890B1 Testing equipment for a base station network
07/10/2002CN1358398A Base station device, communication terminal, and communication method
07/10/2002CN1358368A Channel constructing mehtod and base station using the method
07/10/2002CN1358039A Frame structure of cellular telecommunication system
07/10/2002CN1358037A Time interval distributing method and device in mobile communication system
07/10/2002CN1357983A Restoration of initial grouping sent by terminal utilizing return channel in group transmission system
07/10/2002CN1087582C 时分交换系统 Division switching system
07/10/2002CN1087559C Video signal compressing device and method
07/10/2002CN1087540C Apparatus and method of preventing cell data loss during clock switching
07/10/2002CN1087539C Method for transmission of digital signals in time division multiplex channel form via ATM transmission device
07/10/2002CN1087534C Multiple access communications system and method using code and time division
07/10/2002CN1087528C Method and apparatus for nested automatic protection switching
07/10/2002CN1087524C Receipt circuit for TDMA radio apparatus
07/09/2002US6418558 Hybrid fiber/coax video and telephony communication
07/09/2002US6418151 Automatic primary reference clock switching for synchronous networks
07/09/2002US6418150 Method and apparatus for calibrating an IEEE-1394 cycle master
07/09/2002US6418140 Data multiplexing method, data multiplexer using the multiplexing method, multiple data repeater, multiple data decoding method, multiple data decoding device using the decoding method, and recording medium on which the methods are recorded
07/09/2002US6418133 Code-modulated transmission process and transmission system operating according thereto
07/09/2002US6418132 Multi-directional multiplex communication system and ISDN servicing method therein
07/09/2002US6418122 Method and apparatus for assuring sufficient bandwidth of a statistical multiplexer
07/09/2002US6418116 Transmission system having an uninterrupted switchover function for a plurality of lines
07/09/2002US6417717 Hierarchical multiplexer for analog array readout
07/09/2002CA2243451C Synchronizing a central timing unit to an external link via a switching network
07/09/2002CA2236407C Method and apparatus for performing automatic synchronization failure detection in an atm network
07/09/2002CA2195459C Disciplined time scale generator for primary reference clocks
07/04/2002WO2002052776A1 Clock synchronization in a communications environment
07/04/2002WO2002052774A2 Method and arrangement for digitally receiving a signal
07/04/2002WO2002052760A2 Method and apparatus for efficient link redundancy
07/04/2002WO2002052567A1 Device and process for time stamping, receiver, system for delayed broadcasting and string of corresponding packets
07/04/2002WO2002052399A1 Method and a commmunication apparatus in a communication system
07/04/2002WO2002027947A3 Improvements in or relating to electronic systems
07/04/2002WO2001090843A3 A network device for supporting multiple upper layer network protocols over a single network connection
07/04/2002WO2001065831A3 Demultiplexing device and process for at least two transport streams
07/04/2002US20020087733 Message transfer method and apparatus
07/04/2002US20020085593 Multiplexing method and apparatus suitable for transmission of overhead data arriving from many communication lines
07/04/2002US20020085592 Transport stream multiplexing method, transport stream multiplexing apparatus, and storage and reproduction system
07/04/2002US20020085590 Method and apparatus for inserting user data into sonet data communications channel
07/04/2002US20020085588 Method for securely distributing & updating digital content
07/04/2002US20020085586 Linked network switch configuration
07/04/2002US20020085584 Statistical multiplex system, statistical multiplex controller and method of statistical multiplex
07/04/2002US20020085575 Interface control of communication between a control processor and a digital signal processor
07/04/2002US20020085563 Packet processing method and engine
07/04/2002US20020085544 Subscriber unit for supporting communication rate modifications
07/04/2002US20020085533 Enhanced cell range in time division duplexed utran
07/04/2002US20020085489 Variable codec frame length
07/04/2002US20020085251 Optical programmable delay system
07/04/2002DE10065117A1 Verfahren und Kommunikationssystem zum Austausch von Daten zwischen mindestens zwei Teilnehmern über ein Bussystem A method and communication system for exchanging data between at least two subscribers via a bus system
07/04/2002DE10064929A1 Verfahren und Kompensationsmodul zur Phasenkompensation von Taktsignalen Procedures and compensation module for phase compensation of clock signals
07/04/2002DE10064928A1 Verfahren, Taktgebermodul und Empfängermodul zur Synchronisierung eines Empfängermoduls Method, clock module and receiver module for synchronizing a receiver module
07/04/2002DE10064498A1 Verfahren und Anordnung zum digitalen Empfang eines Signals Method and apparatus for digital reception of a signal
07/04/2002DE10062373A1 Generating clock signal involves reference clock unit generating clock signal to clock and/or synchronize circuit unit if clock signal normally received from another clock unit fails
07/03/2002EP1220480A1 Data communication method, bidirectional data communication method, data communication system, bidirectional data communication system, data transmitter, and data receiver
07/03/2002EP1220104A2 Method and communication system to exchange data between at least two subcribers in a bus system
07/03/2002EP1219130A1 Method and system for frequency spectrum resource allocation
07/03/2002EP1219084A1 Blind rate detection in a multiplexed transmission system
07/03/2002EP1219062A1 Synchronizing pcm and pseudorandom clocks
07/03/2002EP1219058A1 Apparatus and method for gating data on a control channel in a cdma communication system
07/03/2002EP1219057A1 Synchronization method and synchronization arrangement
07/03/2002EP1218876A1 Method and apparatus in a telecommunications system