Matches 1 - 26 out of 26
Match Document Document Title
7539457 Method and apparatus for communicating with seven or more terminals efficiently in bluetooth system  
Disclosed are a method and an apparatus for communicating with seven or more terminals in a Bluetooth system of a Wireless Personal Area Network (W-PAN). In the method and apparatus, a sniff mode...
6940851 Scheduling the dispatch of cells in non-empty virtual output queues of multistage switches using a pipelined arbitration scheme  
A pipeline-based matching scheduling approach for input-buffered switches relaxes the timing constraint for arbitration with matching schemes, such as CRRD and CMSD. In the new approach,...
6892169 System and method for automatically designing communications circuits  
A software interface used in designing communications circuits receives input from a user ( 20 ). In response, the software interface initiates accessing of a route plan ( 16 ) comprising a first...
6879603 Processor-based voice and data time slot interchange system  
A technique for performing a time slot interchange in a processor. The TSI process is surrounded by a multiplexing/demultiplexing circuit for converting a plurality of PCM highways into a single...
6628651 Communication switching techniques with improved frame format  
Input interfaces convert a predetermined data frame structure, such as a Sonet STS-1, into an internal format comprising a predetermined number of rows and columns, the rows being a multiple of a...
6337859 Non-blocking crossconnect apparatus  
A non-blocking crossconnect apparatus includes a primary bi-directional crossconnect device and a plurality of secondary bi-directional crossconnect devices. The primary crossconnect device has a...
5638366 Data transport for internal messaging  
A communications bus is established by connecting a plurality of transceivers to a central automatic space division switching apparatus, and connecting the transceivers in series through the...
5325089 Two-stage, at least doubled ATM reversing switching network having (2n×2n) switching matrices  
Two-stage, at least doubled ATM reversing switching network having (2n×2n) switching matrices. For expanding a two-stage, doubled ATM self-routing reversing switching network, the switching...
5185741 Inter-network connecting system  
An inter-network connecting system comprising a main network having an exchange function and a subnetwork having no exchange function, to improve the expandability, economy, and efficiency of the...
5170391 Fault detection and bandwidth monitoring means for a packet switching arrangement  
The fault detection and bandwidth monitoring arrangement provides a counter in association with each virtual circuit crosspoint. The counters may be provided with a common or individual threshold...
5115428 Serial array time-slot interchangers  
A series array architecture using multiple photonic stages perform universal permutation of time-slots on a time-multiplexed photonic signal using far fewer switches than the currently known...
4908823 Hybrid communications link adapter incorporating input/output and data communications technology  
There is disclosed a data communications link adapter providing flow of data control and status information between an input/output (I/O) Backplane and a fiber optic Frontplane. The adapter...
4763247 Multiprocessor system formed by microprocessor matrix  
A multiprocessor system in which the base module comprises 32 microcomputer modules and provides a possibility for expansion. The interprocessor exchange is realized by a four-stage interconnection...
4663759 Ring back tone transmission system  
In a digital and electronic switching apparatus, each subscriber's circuit is provided with a loop back circuit which selectively return a downward channel signal to an upward channel in order that...
4605928 Fault-tolerant array of cross-point switching matrices  
A cross-point switch comprising an array of cross-point matrices 60, 62, 64, 65 in which the internal lines 22-32 are connected to external lines 45-54 by tri-state buffers 36-44. The external...
4550398 Modular self-routing PCM switching network for distributed-control telephone exchange  
An automatic exchange of a telephone system comprises a PCM switching network with a plurality of cascaded stages for establishing temporal and spatial connections between incoming channels on...
4473900 Modular structure for multistage PCM switching network  
A five-stage PCM switching network of an automatic telephone exchange is divided into a set of outer modular units each including a first-stage and a fifth-stage matrix, a set of inner modular...
4419753 Network connection system  
An electronic exchange of the time division system type or the space division system type, employing electronic contacts, in which a U-junctor is connected to the switching network of the...
4385380 Digital concentrator switch  
In a fully digital telephone switching system, a digital switch may serve a number of PCM sub systems each having separate forward and reverse highways and each serving a number of subscribers'...
4201891 Expandable digital switching network  
A distributed control digital switching network is configured as a group switch having a plurality of stages of multiport single sided switching elements for selectively interconnecting a plurality...
4173713 Continuously expandable switching network  
A telephone central office switching network and a basic switching element utilized therein is disclosed herein. The basic switch element has the capability of reflecting traffic entering any of...
4038497 Hardwired marker for time folded TST switch with distributed control logic and automatic path finding, set up and release  
A marker circuit communicating with a stored program controller and switch stages, implementing pathfinding, connect, and disconnect operations while using address, status, and data buses to...
4005272 Time folded TST (time space time) switch  
A time folded time space time (TST) switch with the establishing of a communication through path in one direction automatically establishing a path in the opposite direction in an adjacent time...
3825690 LOSSLESS NETWORK JUNCTOR FOR PCM DIGITAL SWITCHING SYSTEMS  
A network junctor for use with a switching network of a PCM digital switching system including two vertical access buses connectible through the functioning of two line switching memory LSM units...
3637941 INTEGRATED SWITCHING AND TRANSMISSION NETWORK FOR PULSE CODE MODULATED SIGNALS  
A time-division multiplex switching network and associated control. The network is capable of accepting digitally multiplexed carrier signals, performing the necessary functions of frame aligning,...
2929879 Multi-channel pulse communication system  
Matches 1 - 26 out of 26