Patents
Patents for H04Q 11 - Selecting arrangements for multiplex systems (43,004)
02/1998
02/10/1998US5717691 Multimedia network interface for asynchronous transfer mode communication system
02/10/1998US5717647 Expandable data width sam for a multiport ram
02/10/1998US5717510 Optimized optical transmission system for high capacity transmission
02/09/1998CA2211053A1 Method to signal a failure in a mixed pdh/sdh network in order to enable the latter to provide a service such as a protection mechanism
02/07/1998CA2208683A1 Network design for both compressed and uncompressed atm cells
02/05/1998WO1998005138A2 Testing facility for a broadband communications system
02/05/1998WO1997050230A3 Telecommunications switch including an integrated internet access server
02/05/1998DE19732906A1 Verfahren und Vorrichtung hinsichtlich einer Datenschnittstelle und damit arbeitende Satelliten-Erdestation Method and apparatus with respect to a data interface and keeping working satellite earth station
02/05/1998DE19631327A1 Call forwarding method for ISDN mobile terminals
02/05/1998DE19630919A1 Verfahren zur Optimierung der Auslastung von Verbindungsabschnitten in Systemen, in denen Informationen in Datenpaketen übertragen werden Method for optimizing the utilization of connecting sections in systems in which information is transmitted in packets
02/04/1998EP0822731A2 Method, interface device and switch for converting a first signalisation protocol (ISDN) into a second signalisation protocol (ATM)
02/04/1998EP0821853A1 Method and apparatus for high speed block ciphering of packet data
02/04/1998EP0821852A1 Sdh/sonet interface
02/04/1998CN1172392A A T M cell froming device
02/04/1998CN1172388A Packetized CDMA/TDM satellite communication system
02/03/1998US5715396 Method for providing for automatic topology discovery in an ATM network or the like
02/03/1998US5715300 Method for establishing data connections in an auxiliary exchange communications installation
02/03/1998US5715285 Data transmission apparatus, a data receiving apparatus, and a data transmission system
02/03/1998US5715251 Local network including concentric main and relief rings
02/03/1998US5715250 ATM-lan connection apparatus of a small scale capable of connecting terminals of different protocol standards and ATM-lan including the ATM-lan connection apparatus
02/03/1998US5715249 ATM cell format converter using cell start indicator for generating output cell pulse
02/03/1998US5715247 Method of sending and receiving setting information and monitoring information in communication apparatus
02/03/1998US5715241 ISDN terminal equipment-resident mechanism for determining service profile identifiers and associated telecommunication switch protocol
02/03/1998US5715239 ATM multiplex transmission system having test equipment
02/03/1998US5715075 Optical processing device operating in a wavelength-synchronized mode and an optical circuit exchanger that uses such an optical processing device
02/03/1998CA2073925C Multipoint teleconference system employing h.221 frames
02/03/1998CA2056652C Telephone subscriber accommodation system in a broadband network
01/1998
01/31/1998CA2211627A1 Data interface apparatus and method
01/31/1998CA2210944A1 Method of operating an interface device as well as interface device and exchange with such an interface device
01/29/1998WO1998004098A1 Variation fluctuation smoothing (vfs) for atm circuit emulation
01/29/1998WO1998004097A1 High availability atm virtual connections
01/29/1998WO1998004096A1 Method and apparatus for reassembly of data packets into messages in an asynchronous transfer mode communications system
01/29/1998WO1998004088A2 Method and apparatus to achieve minimum cost on-line access
01/29/1998WO1998004063A2 A method and an apparatus for recovery of the clock of a constant bit-rate service
01/29/1998WO1998004058A1 Optical network
01/29/1998WO1998004056A1 Fault-tolerant optical routing switch
01/29/1998DE19630456A1 ISDN telephone operation method
01/29/1998CA2260912A1 High availability atm virtual connections
01/28/1998EP0821538A1 Apparatus for transmitting and receiving messages with different formats
01/28/1998EP0821510A2 Telecommunications routing apparatus and method
01/28/1998EP0821506A1 Multiplex transmitter for micro-frame
01/28/1998EP0821499A2 Transmission of D-channels in telecommunications systems
01/28/1998EP0702871A4 Communication system
01/28/1998CN1171715A Time division multiplexing system for digital exchange
01/28/1998CN1171688A ISDN D channel restration without loss of signaling or packet data
01/28/1998CN1171685A Data transmission rate control using transmission control scheme suitable for subbands forming entire band
01/28/1998CN1171684A Method and equipment for optimizing use of technical resource in multimedia communication network
01/28/1998CN1171683A 光传输系统 The optical transmission system
01/28/1998CN1171681A Method for fax transmission in digital networks
01/27/1998US5712932 Dynamically reconfigurable WDM optical communication systems with optical routing systems
01/27/1998US5712906 Communications systems supporting shared multimedia session
01/27/1998US5712903 Split intelligent peripheral for broadband and narrowband services
01/27/1998US5712897 Fault detection in broadband cable systems
01/27/1998US5712853 Apparatus and method for transferring operation, administration and management cells across and ATM data frame user network interface
01/27/1998US5712851 Adaptive time slot scheduling apparatus and method utilizing a linked list mechanism
01/27/1998US5712846 Order wire communication control method for line-switched ring network system
01/27/1998US5712845 Method for controlling conditional connections in a synchronous digital telecommunications system
01/25/1998CA2208620A1 Transmission of d-channels in telecommunications systems
01/22/1998WO1998003034A1 Method and device for the approximative computation of the exponential mean of a sequence of coded numbers in floating point format
01/22/1998WO1998002997A1 Method for detecting upstream congestion in an atm commutator with a switching system architecture and input memorisation
01/22/1998WO1998002993A2 Integration of snmp and cmip
01/22/1998WO1998002992A1 A secure signalling protocol emulator system
01/22/1998WO1998002821A1 Virtual network architecture for connectionless lan backbone
01/22/1998CA2260086A1 Process for detecting upstream congestion within an atm switch with distributed architecture and storage at input
01/22/1998CA2260084A1 Process and device for the approximate calculation of the exponential mean of a string of numbers coded in the floating-point format
01/21/1998EP0820209A2 Data transfer device having retransmission control function
01/21/1998EP0820208A2 Packetized CDMA/TDM satellite communication system
01/21/1998EP0820204A2 Wireless services distribution system
01/21/1998EP0820177A2 Method and system for utilizing a digital phone limited to analog transmissions
01/21/1998EP0820170A2 Systems and methods for providing increased server performance in a communications network
01/21/1998EP0820165A1 System for transmission between base station and exchange of mobile communication using fixed-length cell
01/21/1998EP0820163A2 Errorless switching techniques in ring network
01/21/1998CN1171182A Method for notifying frame relay network of traffic congestion in ATM network
01/21/1998CN1170996A Calling subscriber information notification system for switch system
01/21/1998CN1170993A High-speed synchronous multiplexing apparatus
01/20/1998US5710942 Adapter monitoring storage capacity of its buffer and sequentially generating ready signals to notify a terminal to transfer more burst data to the buffer
01/20/1998US5710846 Self-calibrating optical fiber switch
01/20/1998US5710807 Method for recording non-communication intervals during a communications call
01/20/1998US5710773 Packet transmission system
01/20/1998US5710770 ATM cell switching system
01/20/1998US5710769 Merging the functions of switching and cross connect in telecommunications networks
01/20/1998US5710760 Out-of-band control for performing a loopback test for asynchronous transfer mode (ATM) networks
01/20/1998US5710759 Switch protection arrangement
01/20/1998US5710756 Burst-error resistant ATM microwave link and network
01/20/1998US5710550 Apparatus for programmable signal switching
01/20/1998CA2134015C Method for automatically adapting and configurating the speed of a terminal adapter to either 56kpbs or 64kbps in accordance of the actual transmission rate being used
01/15/1998WO1998002013A1 Switching device, method and apparatus
01/15/1998WO1998002012A1 Atm telecommunications systems and method for routing narrow band traffic
01/15/1998WO1998001990A2 Power supply system for telephone line wires
01/15/1998WO1998001979A1 Addressable, high speed counter array
01/15/1998WO1998001977A2 Network architecture for broadband data communication over a shared medium
01/15/1998CA2259600A1 Network architecture for broadband data communication over a shared medium
01/14/1998EP0818941A2 Communication links for transmission of data in fixed size packets
01/14/1998EP0818940A2 Self-healing line switched ring for ATM traffic
01/14/1998EP0818939A2 Short cell management unit and method
01/14/1998EP0818903A2 Packet multicasting in network for providing various QOS
01/14/1998EP0818119A1 Method of operating a switching facility and an expandable digital switching system for carrying out the process
01/14/1998EP0818118A1 Window comparator
01/14/1998EP0818104A1 Teleworking arrangements
01/14/1998EP0818098A1 Method for rejecting cells at an overloaded node buffer