Patents
Patents for H04J 3 - Time-division multiplex systems (63,408)
05/1997
05/20/1997CA2047254C Nyblet time switch
05/17/1997CA2190413A1 Communication apparatus for transmitting/receiving different types of data in one tdm slot
05/15/1997WO1997017778A1 Upstream access method in bidirectional telecommunication system
05/15/1997WO1997017777A1 A system related to a transmission buffer
05/15/1997WO1997017772A1 Digital telephony using control messages transmitted in time slots for rf frequency allocation
05/15/1997DE19541808A1 Clock signal regeneration circuit with D-type flip=flop
05/15/1997DE19541363A1 Digital signal radio transmission method between mobile transmitter and receiver
05/15/1997CA2236745A1 A system related to a transmission buffer
05/14/1997EP0773645A2 Method for selecting concatenated signals of a received signal of SDH
05/14/1997EP0772944A1 Method and arrangement for high-speed data transmission in a tdma mobile telecommunications system
05/14/1997EP0772927A1 Method for dynamically allocating communication channel bandwidth between competing applications
05/14/1997CN1149796A Data communication method
05/13/1997US5630113 Method and apparatus for reducing jitter accumulation in a series of repeating devices
05/13/1997US5630065 Time division multiplexing communication system for transmitting data from plurality of transmitting links to plurality of receiving links using link highway, concentrator, and distributor
05/13/1997US5629983 Parallel transmission through plurality of optical fibers
05/13/1997US5629955 Variable spectral response FIr filter and filtering method
05/13/1997US5629942 Method and arrangement for channel allocation for data transmission between a main station and a plurality of substations
05/13/1997US5629939 Time slot rearranging apparatus in multiplexer
05/13/1997US5629935 Signal multiplexing apparatus using multiconnection
05/13/1997US5629932 12×12 STS-1 switch
05/13/1997US5629931 Information transmission system
05/13/1997CA2114554C Method and apparatus for maintaining synchronization in a simulcast system
05/13/1997CA2045880C Device operable with an excellent spectrum suppression
05/09/1997WO1997016931A1 Method and apparatus for allocating a communication channel in a communication system
05/09/1997WO1997016917A1 Method and apparatus for transmitting messages in a telecommunication system
05/09/1997WO1997016899A1 Data transmission method
05/09/1997WO1997016895A1 Constant bit rate transport in a contention based medium access control
05/09/1997WO1997016894A1 System and method for rapid selection of synchronization sources in a mobile telecommunications network
05/09/1997CA2236367A1 System and method for rapid selection of synchronization sources in a mobile telecommunications network
05/09/1997CA2236348A1 Method and apparatus for transmitting messages in a telecommunication system
05/09/1997CA2205067A1 Method and apparatus for allocating a communication channel in a communication system
05/07/1997EP0772324A2 Systems and methods for sharing of resources
05/07/1997EP0772311A2 Frame identification of a wireless selective calling receiver
05/07/1997EP0771438A1 Disciplined time scale generator for primary reference clocks
05/07/1997DE19531761C1 Synchronous time division multiplex telecommunications system
05/07/1997CN1149374A Multiplexer system using constant bit rate encoders
05/07/1997CN1149367A System for dynamically allocating a scarce resource
05/07/1997CN1149364A Parameter sampling apparatus
05/07/1997CN1149238A Apparatus for minimizing clock skew and maximizing retime margin in high speed system
05/07/1997CN1149234A Video/audio signal coding system and method
05/07/1997CN1149221A Method and apparatus for matching baud of ATM model data reproducing apparatus
05/06/1997US5627889 Service restoration technique for telecommunications facilities having a single degree of freedom
05/06/1997US5627845 Variable rate communication method and a variable rate communication system
05/06/1997US5627837 Apparatus and method for suppressing protection switching in a digital communication system in the event of an error burst
05/06/1997US5627833 Digital added main line system with power-up and power-down features
05/06/1997US5627832 System for processing synchronization signals with phase synchronization in a mobile communication network
05/06/1997US5627826 Time-slot interchanger
05/06/1997US5627822 Method and circuit arrangement for disturbance-free redirection of a message cell stream onto an alternate route
05/06/1997US5627820 Automatic detection of a telecommunications fractional channel
05/06/1997CA2031054C Inverse multiplexer and demultiplexer techniques
05/02/1997EP0771130A1 Multiplexing and scheduling apparatus for an ATM switching network
05/02/1997EP0771090A1 Programmable PCM/TDM Demultiplexer
05/02/1997EP0770292A1 Two stage clock dejitter circuit for regenerating an e4 telecommunications signal from the data component of an sts-3c signal
05/02/1997EP0770291A1 A method and an equipment for transmitting a file-based multimedia and hypermedia service to a mobile receiver
05/02/1997EP0770237A2 Method and system for automatic compensation of line delay in a clock distribution system
05/02/1997EP0573412B1 Interconnecting and processing method for facilitating frequency hopping.
05/01/1997WO1997016047A1 Broadband digital cross-connect system
05/01/1997WO1997016000A1 Coexisting communication systems
05/01/1997WO1997015993A1 Multiple access telecommunication network
05/01/1997WO1997015987A1 System for the transmission of data by mixed operation of a pdh and of a sdh with a stand-by transmission channel
05/01/1997WO1997003526A3 Telecommunications apparatus and method
05/01/1997CA2235551A1 Coexisting communication systems
05/01/1997CA2161847A1 Method for preconfiguring a network to withstand anticipated failures
04/1997
04/30/1997DE19619804C1 Transmission time equalisation between code converter and base station
04/30/1997DE19539474A1 Synchronous data clock recovery method for digital data packet transmission
04/30/1997CN1148920A Data communication system having channel switching means
04/30/1997CN1148919A Variable rate transmitting method, and transmitter and receiver using it
04/30/1997CN1148917A Method and apparatus for hopping digital packet data signals
04/30/1997CN1148761A Data transmission method during speech sounds interval in synchronous communication system
04/30/1997CN1148758A Radio communication equipment using single frequency and method thereof
04/29/1997US5625687 Arrangement for enhancing the processing of speech signals in digital speech interpolation equipment
04/29/1997US5625654 Method and device for finding a characteristic data group periodically inserted into a data stream
04/29/1997US5625653 In a telecommunication system
04/29/1997US5625628 In an integrated satellite network
04/29/1997US5625356 Method for re-synchronizing variable length code at high speed using parallel-processing pattern matching
04/29/1997US5625314 Self-calibrating multiplexer circuit
04/24/1997WO1997015165A2 Packet channel feedback
04/24/1997WO1997015164A2 Simplifying decoding of codewords in a wireless communication system
04/24/1997WO1997015129A1 Method and apparatus for network access control with implicit ranging and dynamically assigned time slots
04/24/1997WO1997015126A1 A method for compensating for time dispersion in a communication system
04/24/1997WO1997015119A1 Method and apparatus for rapid re-establishment of phase lock in a transmission system
04/24/1997WO1997012457A3 Operation and maintenance of clock distribution networks having redundancy
04/24/1997WO1997004542A3 Multipoint-to-point arbitration in a network switch
04/24/1997WO1997003501A3 Dual mode satellite/cellular terminal
04/23/1997EP0769230A2 Telecommunication network with improved access protocol
04/23/1997EP0769228A1 Method and apparatus for transmitting data isochronously at a rate less than the isochronous data rate
04/23/1997EP0769227A1 Signal protection and monitoring system
04/23/1997CN1148451A Intergrated multi-fabric digital cross-connect timing architecture
04/23/1997CN1148302A Circuit for converting frame data
04/22/1997US5623668 Method in a polling system for transmitting queue elements from multiple input queues to a single output with improved queue service performance
04/22/1997US5623512 Rate converting device capable of determining a transmission rate as desired
04/22/1997US5623493 Multiplexer demultiplexer switching device and network adapter
04/22/1997US5623492 Methods and systems for managing bandwidth resources in a fast packet switching network
04/22/1997US5623483 Synchronization system for networked multimedia streams
04/22/1997US5623482 Interlocking apparatus
04/22/1997US5623481 Automated path verification for SHN-based restoration
04/22/1997US5623480 System and method for accessing embedded channels
04/22/1997US5623357 Method and apparatus for the monitoring and demarcation of synchronous digital hierarchy networks
04/22/1997US5623356 Combined wavelength router and switch apparatus for use in a wavelength division multiplexed optical communication system
04/22/1997CA2001019C Agc isolation of information in tdma systems