Matches 251 - 300 out of 410 < 1 2 3 4 5 6 7 8 9 >
Match Document Document Title
5457688 Signal processor having multiple paralleled data acquisition channels and an arbitration unit for extracting formatted data therefrom for transmission  
A system for acquiring data from a plurality of analog signal sources inces a multiple-channel asynchronously operating first-stage subsystem each channel of which outputs composite digital...
5457560 Fiber optic telecommunication system employing continuous downlink, burst uplink transmission format with preset uplink guard band  
A fiber optic telecommunication system has master site linked to a plurality of subscriber interface sites by a single pair of optical fibers. Downlink messages are transmitted in a continuous TDM...
5452302 Protocol for asynchronous character communication  
A first module (10) sends a message comprising a plurality of data characters to a second module (20) provided, however, that upon sending an individual data character, the first module waits to...
5444704 Dial restoral method and apparatus  
In a multidrop data communication system operating at a first bit rate using the High-Level Data Link Control (HDLC) protocol, dial restoral of communications with a particular tributary at a...
5434865 Protocol for multiple node network  
The invention is a multiple interconnected network of intelligent message-repeating remote nodes which employs an antibody recognition message termination process performed by all remote nodes and...
5434861 Deterministic timed bus access method  
An improved timed deterministic bus access method and system for a bidirectional linear bus, a unidirectional linear bus, a star and a tree type of bus structure. The method employs a master timing...
5425027 Wide area fiber and TV cable fast packet cell network  
53 byte length ATM compliant cells are transmitted over a digital optical fiber path to interconnect with a coaxial feeder cable TV system to support two-way digital services at a plurality of...
5422880 Broadband switching fabric in a communication controller  
A method and apparatus for exchanging communication cells in a communication controller, wherein an arbiter determines transmission requests for each of a plurality of communication modules in the...
5422631 Apparatus and method for interconnecting electronic products  
A switching network including a plurality of nodes, one node connected to a product of different electronic product groups on display. Each node includes a satellite node microprocessor and a...
5416777 High speed polling protocol for multiple node network  
The invention is a multiple interconnected network of intelligent message-repeating remote nodes which employs a remote node polling process performed by a master node by transmitting a polling...
5414858 System and method for dynamically varying between interrupt and polling to service requests of computer peripherals  
A system and method for managing service requests from peripherals connected to a personal computer or workstation by operating both in an interrupt mode and a polling mode, with selective...
5408468 Queueing system for switches having fast circuit properties  
A digital switch serves a number of terminal units for switching signal traffic therebetween, the traffic being logically divided into data time slots and control time slots with control packets....
5371739 Sequential polling bus access method for radio communication systems  
A radio communication system (600) having at least two radio interface devices (602) requires an access protocol for accessing a common information bus (605). The bus (605) is necessary for sending...
5365512 Multisite trunked RF communication system with reliable control messaging network  
A distributed switching network (switch) routes audio and control signals throughout the switch from various audio sources to one or more audio destinations. Audio sources such as mobile/portable...
5359602 Multiport-multipoint digital data service  
In a Digital Data System (DDS) a method and apparatus for providing multipoint multiport service. Differences in time delays through the network are compensated by an alignment training wherein the...
5341372 Protocol for multiple node network  
The invention is a multiple interconnected network of intelligent message-repeating remote nodes which employs an antibody recognition message termination process performed by all remote nodes and...
5335221 Integrity mapping in data communication system  
A device for communicating with other devices over a communication system is disclosed which has the capability of being a segment reporter and if it is not a segment reporter, of determining when...
5329525 System and method applicable to automotive vehicles utilizing time division multiplex mode for communicating data between master and slave stations  
A time division multiplex communication system applicable to an automotive vehicle and a method for communicating data between a master station and a plurality of slave stations are disclosed in...
5323393 Method and apparatus for obtaining and for controlling the status of a networked peripheral  
Method and apparatus for controlling the same functions of a networked printer that can be manually selected from the front panel of the printer, but remotely through an interactive network board...
5319488 Terminal equipment and optical communication system using the same  
A terminal equipment is connected in a first optical network and connected, via a conductive path, to a predetermined one of a plurality of communication devices connected in a second optical...
5311505 Method and device for multiplexing  
The invention concerns a method for transferring data from a plurality of serial channels (1-6) on a parallel channel. To each serial channel is associated a buffer memory in which are stored the...
5291489 Interprocessor switching network  
A message transport network (10) is provided for high speed switching between processing elements (72, 80). Clusters of low speed processing elements (72) may be connected to the message transport...
5276442 Dynamic address allocation within RF trunking multisite switch  
A multisite network switch for a series of RF digital trunked radio transceivers and dispatcher consoles. The switch establishes audio communications between different sites and various dispatcher...
5274841 Methods for polling mobile users in a multiple cell wireless network  
A method for communicating information bidirectionally between a wired network (1) and a wireless network. The wireless network is of the type that includes header stations (12) each having a...
5272702 Integrity mapping in data communication system  
A device for communicating with other devices over a communication system is disclosed which has the capability of being a segment reporter and if it is not a segment reporter, of determining when...
5263022 Multiplex transmission method  
In a multiplex transmission method of a multiplex transmission apparatus provides time-divisional multiplex transmission operations among a plurality of communication nodes. A among the plurality...
5227778 Service name to network address translation in communications network  
A data communications network having a number of servers and a number of service providers employs an improved protocol for translating service names to network addresses. A server sends a...
5224097 Data communication system  
A data communication system which can eliminate the need for repeating equipment therein system, and allowing coexistence of an analog line and a digital line. The system also prevents generating...
5224095 Network control system and method  
A network control system for use in a communication network controls the receipt and transmission of messages between at least a pair of nodes of the network. Messages conveyed within the network...
5210530 Network management interface with internal DSD  
Apparatus for interfacing a network manager to a network of communication devices over a single communications channel of a plurality of signals is disclosed. Each communication device of the...
5202882 Method for checking transmission properties of a subscriber line circuit  
Given the prerequisite of a division of a subscriber line circuit into a high-voltage portion and a signal processor that defines the transmission-oriented properties, voltages arising at...
5185737 Method and apparatus for cyclic reservation multiple access in a communications system  
In a communications network comprising two counterflowing busses (folded bus or dual bus) and a number of stations (N1, N2, N3) connected between them, a cyclic reservation and access technique is...
5182744 Telecommunications network restoration architecture  
A restoration system is provided for enhancing the reliability of a telecommunications network such that particular traffic which is disrupted by, for example, a faulty link, may be quickly...
5177739 Multiport - multipoint digital data service  
In a Digital Data System (DDS) a method and apparatus for providing multipoint multiport service. Differences in time delays through the network are compensated by an alignment training wherein the...
5170394 Host network communication with transparent connection devices  
A packet switched network has a system for providing an end-to-end connection for a communication or data transfer session between a host processor and a transparent connection device, which may be...
5166675 Communication system carrying out polling for request and data simultaneously and in parallel  
A communication system containing a master station and a plurality of slave stations. The master station receives a request from one of the plurality of slave stations and memorizes one or more...
5161151 System and method for controlling multiplex communications between master station and slave stations  
A system and method for controlling multiplex communication between a master station and a plurality of slave stations, in which a predetermined signal (dummy signal) is transmitted to the...
5150114 Polling-type information transmission system  
A transmission system comprising an interrogator (1) and a number of transponders (2). The transponders (2) communicate with the interrogator (1) by means of individual addresses for reading and/or...
5142532 Communication system  
A bidirectional broadband and telephony network is controllable from an exchange or head end of the network. An optical fiber (16 ) carries the telephone services to customers' premises (30, 31)...
5132680 Polling communication system with priority control  
A communication system including a master station, a plurality of slave stations each for communicating with the master station, a two-way transmission line connecting the master station and the...
5130983 Method of polling to determine service needs and the like  
Tis method provides high utilization collision free access to a digital pulse communications medium with priority provided by message class and/or terminal type, regardless of network topology....
5121382 Station-to-station full duplex communication in a communications network  
The present invention provides a method and apparatus for establishing point-to-point full duplex communication between two stations served by a local area network (LAN) or connected by a...
5107257 Bus relay apparatus for multi-data communication processing system  
A bus relay apparatus includes a counting unit and a switching unit. The counting unit counts polling signals transmitted from a bus controller present in a first group of a plurality of grouped...
5101199 Polling method and apparatus  
When an interrupt request to a control unit occurs, the control unit polls a plurality of interrupt request terminal interfaces to locate which of the interrupt request terminal interfaces has...
5093829 Communication system network  
The present invention discloses a communication system network that comprises a plurality of communication systems and a processing multiplexer. The communication systems, which may be either...
5090013 Time slot protocol in the transmission of data in a data processing network  
A data processing network having a host computer, a plurality of terminals, a cable for transmitting data between the host computer and the terminals, and a controller for controlling character...
5090012 Multiplex transmission system for use in a vehicle  
A multiple transmission system for use in a vehicle, in which a second node having a control function sends an command to first nodes of an ordinary type when an transmission error higher than a...
5068850 Parameter value communication system  
A multipoint communications system for transmitting the values of a multiplicity of analog parameters from one point digitally to another point and reconverting then into analog parameters. The...
5061922 Method of monitoring changes of state of a power transmission system by interruption signal transmission  
A signal transmission/monitoring method for a system including a master station and a plurality of slave stations installed on and along a signal transmission line so as to be capable of mutually...
5060226 Telecommunications network test system  
A telecommunications line test system wherein a digital telecommunications network is electronically sectionalized via at least one master test unit in combination with at least one remotely...
Matches 251 - 300 out of 410 < 1 2 3 4 5 6 7 8 9 >