Patents
Patents for H04Q 11 - Selecting arrangements for multiplex systems (43,004)
11/2001
11/15/2001CA2408798A1 Optical transport networks
11/15/2001CA2408784A1 Chromatic dispersion compensation
11/14/2001EP1154672A2 Control of data link disconnection following call release
11/14/2001EP1154670A1 Network termination device for a user terminal of a telecommunications network and a procedure for the supply of a ringing open circuit voltage for a user terminal of a Telecommunication network
11/14/2001EP1154669A2 Integrated optical switch array
11/14/2001EP1154592A1 Channel protection
11/14/2001EP1153524A1 Method and apparatus for synchronizing devices in atm based base station subsystems using special virtual channel connections
11/14/2001EP1153522A1 System and method for automatically answering incoming emergency calls to a wireless phone
11/14/2001EP1153504A1 System and method for providing access to service nodes from entities disposed in an integrated telecommunications network
11/14/2001EP1153493A1 System and method providing a separate control channel for a wavelength division multiplexed network
11/14/2001EP0928486B1 Device and method for testing integrated circuit dice in an integrated circuit module
11/14/2001EP0832524B1 Synchronisation in an sdh network
11/14/2001EP0745294B1 Telecommunications network including a channel switching protection arrangement
11/14/2001EP0689745B1 Method for synchronizing interconnected sdh and pdh telecommunications networks
11/14/2001CN1322454A Method for operating terminal unit in telephone exchange
11/14/2001CN1322426A Method and arrangement for complementing telephone connection with additional ihformation
11/13/2001US6317830 Process and device for authenticating subscribers to digital exchanges
11/13/2001US6317705 Remote terminal emulator with improved time accounting
11/13/2001US6317529 Optical cross-connect apparatus
11/13/2001US6317439 Architecture for a SONET line unit including optical transceiver, cross-connect and synchronization subsystem
11/13/2001US6317433 Method and system for optimizing transmission link bandwidth occupation in high speed digital networks
11/13/2001US6317432 Short-cell multiplexing device
11/13/2001US6317431 ATM partial cut-through
11/13/2001US6317429 Communication apparatus, network system using communication apparatus and control method used in network system
11/13/2001US6317427 Method and apparatus for adaptive port buffering
11/13/2001US6317426 Method and apparatus for hybrid protection in a switching network
11/13/2001US6317416 Fair queue servicing using dynamic weights (DWFQ)
11/13/2001US6317414 Signal switching method
11/13/2001US6317236 Method and apparatus for transmitting an internet protocol (IP) packet within a fiber optic network
11/13/2001US6317230 Optical cross-connect system and optical transmission system
11/13/2001US6315718 Method for hip retraction
11/13/2001CA2240103C Bandwidth control method in a network system
11/13/2001CA2156771C Controller for atm segmentation and reassembly
11/11/2001CA2347217A1 Matrix switch circuit
11/08/2001WO2001084879A1 A method and an arrangement for managing packet queues in switches
11/08/2001WO2001084876A1 Method and system for connection set-up in a communication system comprising several switching units and several processing units
11/08/2001WO2001084875A2 Robust transport of ip traffic over wdm using optical burst switching
11/08/2001WO2001084820A2 Power management for line-powered telecommunication equipments
11/08/2001WO2001084785A1 Speed-unsymmetrical network using communication satellite, and gateway device therefor
11/08/2001WO2001084784A2 Atm buffer system
11/08/2001WO2001084783A1 Data transmission in a point-to-multipoint network
11/08/2001WO2001084782A1 Telecommunications traffic regulator
11/08/2001WO2001084781A1 Method and apparatus for the fair and efficient transfer of variable length packets using fixed length segments
11/08/2001WO2001084780A1 Atm exchange and atm high reliability control method
11/08/2001WO2001084759A1 Apparatus and method for wavelength selective switching
11/08/2001WO2001084755A1 Subscriber transmission system, relay transmission device and subscriber transmission device
11/08/2001WO2001084196A1 An optical interleaver
11/08/2001WO2001056327A9 Device and method for packet inspection
11/08/2001WO2001045451A9 Four-fiber ring optical cross-connect system using 4x4 switch matrices
11/08/2001WO2001026308A3 A dynamic programmable routing architecture with quality of service support
11/08/2001WO2001024384A3 Optical switch pathway configuration using control signals
11/08/2001WO2001018921A8 Multifunction optical transmitter for dwdm system
11/08/2001US20010038735 Apparatus and method for wavelength selective switching
11/08/2001US20010038734 Optical signal add and drop apparatus
11/08/2001US20010038733 Method for upgrading fiber optics network rings
11/08/2001US20010038731 Protected optical switching matrix
11/08/2001US20010038686 Method and apparatus for transmitting coded audio signals through a transmission channel with limited bandwidth
11/08/2001US20010038631 Method for clarifying and compressing ATM connection type information
11/08/2001US20010038629 Arbiter circuit and method of carrying out arbitration
11/08/2001US20010038627 Distributed communicating system, distributed communication data, distributed transmitting means and distributed receiving means
11/08/2001US20010038620 Method and apparatus for allocating bandwidth in a wireless communication system
11/08/2001US20010038608 Traffic protection mechanism for a fiber optic network having a linear topology
11/08/2001US20010038480 Immediate rerouting in data networks
11/08/2001US20010038479 Programmable optical add/drop multiplexer
11/08/2001US20010038478 Structure of a bidirectional wavelength optical function module
11/08/2001US20010038477 High-isolation wavelength managing module for bi-directional wavelength division multiplexing optical communication system
11/08/2001US20010038476 Synchronous digital communications system
11/08/2001US20010038475 Synchronous digital communications system
11/08/2001US20010038473 Devices and methods for controlling protection switching in an optical channel shared protection ring
11/08/2001US20010038471 Fault communication for network distributed restoration
11/08/2001DE10000944A1 Verfahren zur Vergebührung von Telekommunikations- und Datendiensten in heterogenen Telekommunikationsnetzen Method for billing of telecommunications and data services in heterogeneous telecommunication networks
11/08/2001CA2407664A1 A method and an arrangement for managing packet queues in switches
11/08/2001CA2407293A1 Telecommunications traffic regulator
11/08/2001CA2403504A1 Method and apparatus for the fair and efficient transfer of variable length packets using fixed length segments
11/08/2001CA2345216A1 Distributed communicating system, distributed communication data, distributed transmitting means and distributed receiving means
11/07/2001EP1152635A2 Apparatus and method for automatic port identity discovery in heterogenous systems
11/07/2001EP1152634A1 Interconnecting equipment between an ISDN subscriber installation and an IP/ATM network
11/07/2001EP1152632A2 Microelectromechanical optical cross-connect switches having reduced numbers of reflectors
11/07/2001EP1152631A2 Supervisory control plane over wavelenght routed networks
11/07/2001EP1152630A1 An integrated multi-stage planar optical switch
11/07/2001EP1152575A1 Apparatus and method for improving the efficiency of wireless communications
11/07/2001EP1152572A1 Data transmission in a point-to multipoint network
11/07/2001EP1152343A1 Apparatus and method for communication between a computer and a peripheral device
11/07/2001EP1151587A1 Apparatus and method for device independent messaging notification
11/07/2001EP1151569A1 Add-drop-multiplexer and optical wavelength division multiplex transmission system
11/07/2001EP1151567A1 Optical add/drop multiplexer
11/07/2001EP1151558A2 Method and apparatus for optical performance monitoring in wavelength division multiplexed fiber optical systems
11/07/2001EP1151557A1 Data switch
11/07/2001EP1151556A2 Method of inverse multiplexing for atm
11/07/2001EP1031214B1 Process for measuring atm cell rates
11/07/2001CN1321381A Broadband wireless mesh topology network
11/07/2001CN1321030A Method and apparatus for data transmission, and memory medium
11/07/2001CN1321025A ATM edge node exchange apparatus using IP-VPN function
11/07/2001CN1321019A Data channel preoccupying in optic pulse string interchange network
11/06/2001US6314489 Methods and systems for storing cell data using a bank of cell buffers
11/06/2001US6314112 Method and apparatus for network transmission capacity enhancement for the telephone circuit switched network
11/06/2001US6314105 Method and apparatus for creating and dismantling a transit path in a subnetwork
11/06/2001US6314104 Broadband signalling
11/06/2001US6314103 System and method for allocating bandwidth for a call
11/06/2001US6314102 Telecommunications system for providing both narrowband and broadband services to subscribers