Matches 401 - 450 out of 874 < 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >
Match Document Document Title
5276900 Master connected to common bus providing synchronous, contiguous time periods having an instruction followed by data from different time period not immediately contiguous thereto  
In the present invention a digital communication controller for interfacing with a master processor and a synchronous bus having a plurality of slave processors connected thereto is disclosed. The...
5276683 Multiplex communication system  
Data having an ID code attached thereto is transferred via a network line. The ID code is detected by an ID code detection circuit and data is received by a data receiving circuit. An ID code...
5276445 Polling control system for switching units in a plural stage switching matrix  
A matrix switching apparatus includes a plurality of switching units connected in tandem, each switching unit having a plurality of input terminals and a plurality of output terminals. There are a...
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...
5276441 Communication charge manageable digital communication unit and a method of managing communication charge  
A communication charge management unit of a communication unit in the Integrated Services Digital Network comprises a memory (11; 21; 41) for storing the communication charge for each of plurality...
5274367 Device for in-service monitoring of communication transmission equipment  
In a device for error locating and/or in-service monitoring for communication transmission equipment comprising a call unit (7, 8) that exchanges information with processor units (6) and wherein...
5270705 Telemetry data word selector and processor  
A telemetry word selector and processor device having several digital-to-analog converters (DAC's) receives successive data words each accompanied by a tag word identifying a parameter set in the...
5270701 Service processing system with distributed data bases  
A service processing system has a plurality of service processing nodes each having a single local data base, and a plurality of exchanges each of which is coupled user terminals. Said service...
5262771 Method for addressing processor units  
In a method for addressing processor units of an equipment for monitoring and/or controlling, whereby a polling unit and processor units (6) provided with addresses exchange information, the...
5251214 Method for transmitting data to a plurality of data stations  
In a method for transmitting data from a central station to a plurality of data stations via a multipoint connection according to a prescribed transmission protocol, every data station has an...
5251203 Hub privacy filter for active star CSMA/CD network  
A logic section is provided on each port of an active repeater unit in a CSMA/CD network for comparing the destination address of a data packet retransmitted by the active repeater unit with the...
5250942 Equipment and method for management of terminal identification number in communication system  
Equipment for management of terminal identification numbers in a communication system, including a center and a plurality of terminals connected to the center. Identification numbers of respective...
5249184 Network control system with improved reliability  
A timer manager for use in a network control system of one node of a connectionless communication network provides message receipt reliability. The network control system includes a buffer pool for...
5245606 Computer network bridge circuit  
A media access controller is provided by the present invention. A feature of the media access controller of the present invention is a content addressable memory architecture whereby address...
5245331 Multiple adapter response detection circuit  
An adapter response circuit indicates the number of adapters on a link responding to a given address and hence permits the detection of possible data collisions. Each adapter responding to the...
5239658 Switchable parallel bus terminator having stable terminator voltage with respect to ambient temperature change  
A system in which a plurality of devices are connected through an interface bus for transmitting data, which includes a set of termination resistors respectively connected to a plurality of signal...
5237322 Master-slave data transmission system employing a flexible single-wire bus  
A master-slave data transmission system employs a flexible single-wire bus and where any master unit can send data to or read data from any slave at a single time. Data transfer is accomplished by...
5235346 Method and apparatus for controlling the temperature of thermal ink jet and thermal printheads that have a heating matrix system  
This disclosure presents methods for controlling the temperature of a thermal ink jet and thermal printhead so that the quality of black and white printing, gray-scale printing, and color printing...
5233346 Apparatus and method for electronically programming nodal identifications  
A plurality of input/output connector modules are located along a time multiplex bus. Each module has a plurality of programmable cells comprised of digital components. Each cell can be...
5229988 System and method for distinguishing proxy replies of interconnecting devices from duplicate source address replies of non-interconnecting devices on a network  
System and method for distinguishing duplicate source address replies caused by interconnecting devices connected to a local area network and duplicate source address replies caused by...
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...
5223825 Communication control system and communication control apparatus  
A communication control system or a communication control apparatus executes communication control among A/V (audio/visual) equipment or due to mutual connection with various information equipment....
5222242 System for locating a node containing a requested resource and for selectively verifying the presence of the resource at the node  
The present invention is an improvement in a known LOCATE process used to locate resources in a computer network. The known LOCATE process always requires that information about a target resource...
5218552 Control apparatus for use in a dwelling  
The present invention provides a controller that operates using two different processors. Each processor performs certain predetermined functions. A control processor is responsible for switching...
5216419 Data carrier identification system  
This invention is directed to a data carrier identification system which is used, for example, in production lines. Different data carrier identification numbers (DCNos.) are assigned to respective...
5210531 Monitoring and control system with binary addressing  
A network of addressable modules is disclosed with each module being addressable by a particular multi-digit binary code and each having first and second normally high address input lines which go...
5206835 Modular device for reception, the acquisition and the transmission of seismic data with several multiplexing levels  
Modular device for the reception, the acquisition and the transmission, to a central control and recording unit, of signals picked up by a very large number of seismic acoustic receivers...
5205175 Multiple transducer selector  
An ultrasound imager supports several ultrasonic transducers simultaneously. The imager polls the transducer connection ports to determine which transducers are connected to which port and displays...
5204669 Automatic station identification where function modules automatically initialize  
The present invention provides a method and apparatus for dynamically assigning addresses and determining the configuration of a plurality of programmable function modules connected to an...
5196843 Data communication apparatus with multi-address calling  
A data communication apparatus includes a receiving unit for receiving data, a memory for prestoring data of multi-address called stations, a sending unit for sending the data received by the...
5184346 Switching system  
A switching system exchanges communication information as fixed length cells between a plurality of incoming and outgoing highways. The fixed length cells each have a plurality of data portions...
5182550 Inter-network connection system  
An inter-network connection system wherein a local signaling network including gateway offices of at least two signaling networks to be interconnected is configured between the signaling networks...
5175833 Apparatus for determining relative position of a cache memory in a cache memory array  
A cache memory which includes a cache controller formed on a single substrate. A plurality of the identical memories may be used in an array. The memories themselves determined how many other...
5175677 Load control system  
An improved luminaire load control system for handling control signals as by converting them into power line carrier communication signals which are transmitted through branch power lines to...
5175536 Apparatus and method for adapting cards designed for a VME bus for use in a VXI bus system  
A method and device for adapting a VME card for use in a VXI system are disclosed. The device resides on a circuit board that is plugged between the VXI bus and the VME card. The device provides...
5172109 Method of registering a unit in a network at least one part of which is constituted from an open channel  
In order to register items of equipment brought into service in an apartment equipped with an HF transmission channel home-automation network, it is first verified that no other item of equipment...
5166678 Dual master implied token communication system  
A pair of master units share a common communication link to communicate with one or more slave units. Each slave unit transmits a message only in response to a message from one of the master units....
5160924 Remote control system, particularly for lighting, in premises incorporating controllable distribution zones with variable conformations  
A remote-control system, in particular for lighting, is provided for premises incorporating controllable distribution zones with variable conformations, which system comprises, in the same zone to...
5157716 Dynamic callback technique  
A dynamic global callback technique which is capable of maintaining a manageable number of incoming calls to a central location from a plurality of remote units. A plurality of remote units are...
5157658 Method and apparatus for identifying newly installed modem in dial-up network  
In order to identify a newly installed modem joining other modems which are already installed and established communications with a control unti, the newly installed modem generates, upon...
5157390 Method for providing network service in a communication system  
When one module provides service while using a service providing function of other module, the service requesting module sends out a service request to other modules in a broadcast fashion. Each...
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...
5148433 Transfer network interface  
A transfer network interface module provides a communication link between a data communications network bus connecting a plurality of processor based devices and a redundant processing system. The...
5144336 Method and apparatus for controlling the temperature of thermal ink jet and thermal printheads that have a heating matrix system  
This disclosure presents methods for controlling the temperature of a thermal ink jet and thermal printhead so that the quality of black and white printing, gray-scale printing, and color printing...
5138611 Blocking message transmission or signaling error in response to message addresses in a computer interconnect coupler for clusters of data processing devices  
A computer interconnect coupler has channel transmitters and channel receivers and logic circuitry for the routing of messages from the channel receivers which are addressed to the channel...
5136285 Portable data transmitting/receiving apparatus  
A receiver receives measurement data output as a radio wave from a measuring unit for measuring a physical or chemical value of an object to be measured together with a data type (ID data) for...
5134425 Ohmic heating matrix  
Several embodiments of an apparatus for directly driving all addressed and unaddressed resistive heating elements in a matrix of heating elements is disclosed. Since the unaddressed heating...
5133082 Selective monitoring  
In a conventional non-trunked communication system (10) having a plurality of radios (13) being able to transmit and receive communication containing an ID number on a channel, a method is provided...
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....
Matches 401 - 450 out of 874 < 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >