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RE39454 Transfer of messages in a multiplexed system  
A method and apparatus for transmitting variable length messages on a network in fixed length slots including the provision of a source identifier field in the header of each slot, the source...
7130916 Linking frame data by inserting qualifiers in control blocks  
A method and system for reducing memory accesses by inserting qualifiers in control blocks. In one embodiment, a system comprises a processor configured to process frames of data. The processor may...
RE37494 Transfer of messages in a multiplexed system  
A method and apparatus for transmitting variable length messages on a network in fixed length slots including the provision of a source identifier field in the header of each slot, the source...
EP0576536B1 METHOD OF COMMUNICATING WITH MICROCOMPUTER CONTROLLED INSTRUMENTS  
Abstract not available for EP0576536 Abstract of corresponding document: WO9215950 A method of communicating with one or more microcomputer (200) controlled instruments (10) for determining the...
6327272 Data transfer system, transmitter and receiver  
A data transfer system transfers frames with more than two data words from a transmitter 100 to at least one receiver 102 in a time-multiplexed manner. The transmitter 100 and receiver(s) 102 are...
6201815 Transport packet stream separating circuit in which packet can be discarded on error  
In a transport packet stream separating apparatus, a packet identification filter extracts transport packets having a predetermined packet identification from a stream of transport packets. Each of...
6145008 Conflict free time-triggered method and apparatus for the transmission of messages in a distributed real-time computer system  
This invention concerns a time-triggered method and a device for the autonomous transmission of messages within a distributed real-time computer architecture, consisting of a plurality of nodes...
6081570 Parallel integrated frame synchronizer chip  
A parallel integrated frame synchronizer which implements a sequential pipeline process wherein serial data in the form of telemetry data or weather satellite data enters the synchronizer by means...
6028845 Communication-line-quality measuring system using a conventional signal frame structure  
A communication-line-quality measuring system includes transmission and terminal equipment. Transmission equipment has a first frame assembling part transmitting a down-link multiplexed frame...
5826032 Method and network interface logic for providing embedded checksums  
A method and network interface logic for providing an embedded checksum in a packet transferred over a packet network. The packet network comprises a plurality of interconnected, directly-attached...
5781595 Voice transmitting apparatus and voice receiving apparatus using unique word patterns  
A voice transmitting apparatus and a voice receiving apparatus using voice activation techniques. The voice transmitting apparatus is provided with a UW2 burst generator 8 for generating, in the...
5721946 Signal transfer method having unique word assigned to terminal stations appended before control frames originated from control station and terminal stations  
A signal transfer method for transmitting and receiving signals between a control apparatus and a plurality of controlled apparatuses. In order to achieve the signal transfer method which can...
5625839 System for testing if destination address transmitted with data packet is a valid address before storage of data into memory of electronic postage meter  
In an electronic postage meter and external servicing system, a method and apparatus are disclosed for loading data in a universal format from the external servicing device to the postage meter....
5594906 Zero power receive detector for serial data interface  
A serial data interface includes a receive data terminal, a received serial data out terminal and an operating power supply terminal. A zero-power receive detector for the serial data interface...
5493609 Telecommunication system for automatic switching between voice and data communications  
A telecommunication system provides voice and data communications over a conventional telephone line that can be dynamically switched from voice mode to any of a plurality of data modes (e.g., fax,...
5430842 Insertion of network data checksums by a network adapter  
A system implements checksumming of a network packet to be sent over a network. A processor constructs the network packet within a main memory. The network packet is transferred from the main...
5423030 Bus station abort detection  
A bus control and error detection system is provided for a bus system in which data and address signals are transferred between a microsequencer and a number of operational stations which are...
5390353 Hardware implemental field oriented bit stream formatter for generating user programmed data formats  
A programmable formatter for providing a data format in response to programmable commands comprises a memory for storing at least program instructions which define the data format; an instruction...
5379214 Method for reading the concentration of a medically significant component of a biological fluid from a test strip  
A method of communicating with one or more microcomputer (200) controlled instruments (10) for determining the concentration of a medically significant component of a body fluid. Each instrument...
5377329 Reducing data transmission by indexed caching  
This invention relates to an apparatus and method for reducing the transmission of data on a data communications network by obtaining data from a cache rather than by transmitting the data. This...
5377099 Electronic voting system including election terminal apparatus  
An election terminal apparatus incorporates a storage unit, a coordinate input unit and a two-dimensional display unit which is interlocked with the coordinate input unit. When voting is to be...
5371687 Glucose test data acquisition and management system  
A system is provided for adapting one of a number of different types of instruments to a common protocol. Each instrument has a serial input-output (I/O) port, a control for the serial I/O port,...
5226121 Method of bit rate de-adaption using the ECMA 102 protocol  
A method of bit rate de-adaption between an adapted data rate and a user data rate using the ECMA 102 protocol. The user data is transmitted from a data adapter to a user terminal at a first data...
5189671 Apparatus and method for formatting variable length data packets for a transmission network  
A transmit control store is provided for assembling recurrent data packets of information for transmission over an optical fiber communications network from a host digital terminal to a variable...
5113523 High performance computer system  
A parallel processor comprised of a plurality of processing nodes (10), each node including a processor (100-114) and a memory (116). Each processor includes means (100, 102) for executing...
5093780 Inter-processor transmission system having data link which automatically and periodically reads and writes the transfer data  
An inter-processor transmission system comprises first and second processors which are coupled via a data link apparatus. The first processor simply writes transfer data into a memory which is...
5050166 Transfer of messages in a multiplexed system  
A method and apparatus for transmitting variable length messages on a network in fixed length slots including the provision of a source identifier field in the header of each slot, the source...
5048012 Data link controller with flexible multiplexer  
A data link controller is provided which is suitable for use in ISDN applications, employing bit-oriented protocols. The data link controller can be operated in a time-division multiplexed mode or...
H000696 System for accessing shared resource device by intelligent user devices  
A shared resource system (20) is disclosed wherein multiple user devices (24) share a resource device such as a disk drive (36). The multiple user devices (24) are interconnected to the resource...
4852088 Packet-at-a-time reporting in a data link controller  
A data link controller (DLC) 52 is disclosed which employs buffers (100,106) on both receive and transmit sides. These last-in, first-out buffers contain a position indicating that a character is...
4837677 Multiple port service expansion adapter for a communications controller  
Bus interconnection between the system busses of a multi-port communications controller and the busses of one or more multi-port adapters is facilitated with a new architecture for providing an...
4833466 Pulse code modulation decommutator interfacing system  
A pulse code modulation decommutator interface system includes a standard computer interface, a standard decommutator interface, control logic and memory. Control signals from the computer...
4823305 Serial data direct memory access system  
A serial data direct memory access system including a control circuit that shares control with a master computer of an interface bus of a DMA storage system. Serial data is supply to the control...
4751634 Multiple port communications adapter apparatus  
A multi-port communications controller and variable protocol adapter is described. The adapter utilizes a user programmable pluggable programming cartridge for defining individual communications...
4729095 Broadcast instruction for use in a high performance computer system  
A broadcast pointer instruction has a first source operand (address pointer value) which is the starting address in a memory of message data to be broadcast to a number of processors through output...
4710871 Data transmitting and receiving apparatus  
A system for controlling the transfer of a data message over a common communication channel between a plurality of processing devices includes a MOS/LSI controller chip associated with each...
4692859 Multiple byte serial data transfer protocol  
In a data processor system, a method for transferring data to and from a random access memory (RAM) with a serial data interface and having accessible word location includes the steps of generating...
4689740 Two-wire bus-system comprising a clock wire and a data wire for interconnecting a number of stations  
A computer system comprises a number of stations which are interconnected by means of a clock bus wire (20) and a data bus wire (22) which both form a wired logic function of the signals generated...
4688035 End user data stream syntax  
Disclosed is a communication transport message format for carrying control information, relevant only to a transport system and end user data. The end user data is prefixed by a length field. The...
4661657 Method and apparatus for transmitting and receiving encoded data  
Method and apparatus for transmitting encoded data from a transmitting station to a receiving station wherein the transmitting and receiving data stations contain data terminal equipment, cipher...
4642791 Interface for mailing system peripheral devices  
An interface is connected between an OCIA type port and a mailing system peripheral, such as a weighing cell. The interface comprises an input data circuit, operatively connected to a serial data...
4637015 Packet transmission and reception via a shared DMA channel  
A DMA channel is shared by transmit and receive ports via which data packets are transmitted and received using a bit oriented protocol such as HDLC. For the transmission of each packet, an abort...
4608562 Address personalization of a remotely attached device  
In a data transmission system comprising of a transmitting unit, a plurality of remote devices, and one or more serial communication links interconnecting the devices to the transmitting unit the...
4574362 Block mode digital signal conditioning method and apparatus  
Block mode is a method of formatting data when sending it to and from the host computer. Some host computer operating systems make it difficult for the user's program to send or receive the full...
4574284 Communication bus interface unit  
Apparatus and a related method for interfacing digital device with a communication bus in a local-area computer network. Each device in the network is connected to the bus through a bus interface...
4562581 Digital signal transmitting and receiving system for serial data which can be easily decoded  
A digital signal transmission system whereby the plural-bits-in-one-word digital signals are transmitted serially. According to this system, when the amount of data per unit time increases and the...
4551720 Packet switching system  
A packet switching system includes encoding circuitry for generating and intermittently transmitting a plurality of data packets in serial bit stream format. Each data packet consists of a...
4535453 Signaling input/output processing module for a telecommunication system  
An input/output processing module utilized for processing of signaling information and arranged in a central control unit of a local central office of a digital telecommunications system. Each...
4519068 Method and apparatus for communicating variable length messages between a primary station and remote stations of a data communications system  
A data communications system is described in which variable length messages are communicated between a general communications controller (GCC) and a plurality of portable and mobile radios. The...
4517669 Method and apparatus for coding messages communicated between a primary station and remote stations of a data communications system  
A data communications system is described in which variable length messages are communicated between a general communications controller (GCC) and a plurality of portable and mobile radios. The...
Matches 1 - 50 out of 58 1 2 >