Matches 1 - 37 out of 37
Match Document Document Title
6804529 Trunked radio repeater communication system including home channel aliasing and call grouping  
A system for channel assignment in a trunked transmission communication system including a plurality of subscribers. A plurality of subscribers is provided home channel assignment to reduce collisi...
6529486 Trunked radio repeater communication system  
A trunked radio repeater communication system capable of use in a networked system includes a plurality of distributive switches and a unique signaling protocol and a switching protocol for interco...
6374115 Method and apparatus for trunked radio repeater communications with backwards compatibility  
A trunked radio repeater communication system capable of use in a networked system includes a plurality of distributive switches and a unique signaling protocol and a switching protocol for interco...
6263380 Measurement data processing unit  
In a measurement data processing unit having a plurality of relaying unit to which one or more measuring device can be connected and processing means for collecting and processing the measurement d...
EP0910026A2 Measurement data processing unit  
In a measurement data processing unit having a plurality of relaying unit to which one or more measuring device can be connected and processing means for collecting and processing the measurement d...
5815799 Priority system for a wide area transmission trunked communication system  
A method and apparatus for providing priority access for users in a transmission trunked communication system, including a plurality of distributive radio network terminal (RNT) switches and a uniq...
5765040 Disk subsystem using a pair of unidirectional control lines for exchanging control information in bit-serial between control device and plural disk units through up/down directions  
Each one of intermediate control devices and n-number of disk drives are daisy-chain connected by control-information signal lines in each of downward and upward directions. Serial communication me...
5613196 Method and apparatus for a distributive wide area network for a land mobile transmission trunked communication system  
A land mobile transmission trunked communication system is provided with a unique switching protocol arrangement among repeaters that are networked to one or more external communication networks. T...
5611047 Information delivery method and apparatus for successively transferring information even if the storage unit has insufficient space for storing information from an upstream apparatus  
An information delivery apparatus to be employed within an information network system. A plurality of such apparatuses as part of an information network will successively store and deliver informat...
5577205 Chassis for a multiple computer system  
A multiple computer system having team/work group features built in. A principal hardware component thereof is a unitary chassis of a compact tower configuration, designed to house electronics for ...
5548802 Method and apparatus for a remote network switch for a land mobile transmission trunked communication system  
A method and apparatus for distributively interconnecting a plurality of land mobile trunked transmission communication systems into a wide area network includes a plurality of distributive radio n...
5535336 Apparatus and method for enabling a network interface to dynamically assign an address to a connected computer and to establish a virtual circuit with another network interface  
A network provides the capability for information transfer and resource sharing between a plurality of nodes including computers and peripheral devices. The network is comprised of a plurality of n...
5440759 Modular networking switch system for a distributive wide area transmission trunked communication system  
A modular networking switch system for a land mobile transmission trunked communication system provides transmission trunked communications with a plurality of transceivers and networks the plurali...
5296936 Communication apparatus and method for transferring image data from a source to one or more receivers  
A high-speed communications network (10) provides singlecast, multicast, or broadcast image data capability and is implemented utilizing the High-Performance Parallel Interface (HPPI) as a physical...
5274785 Round robin arbiter circuit apparatus  
A circuit is shown for arbitrating between inputs to provide all request inputs with the opportunity to be polled in substantially less time than is the case with known prior art round robin arbite...
5202999 Access request prioritization and summary device  
An access request prioritization and summary device for determining the current highest priority among n entities. The device includes a bitmap having n bit storage locations. Each one of the n bit...
5119496 Method and apparatus for interrupt processing in a computer system having peripheral units connected in a daisy chain  
An interrupt processing method and an interrupt processing apparatus provides an end indicative information storing unit for storing an end indicative information of a daisy chain for at least one ...
5117494 System for selectively detecting and bypassing inoperative module within a daisy chained processing system  
An adapter No (n-1) propagates a daisy-chained grant signal directly to the adapter No (n) and a by-passed grant signal to the adapter No (n+1) case. The adapter No (n) is responsive to the status ...
EP0265574B1 Daisy chain bus access configuration  
Abstract of EP0265574 The circuit comprises means for providing a daisy-chained grant signal emitted by an adapter No (n-1) to be propagated directly to the adapter N (n) on the one hand, and to t...
5023831 Intelligent disk drive having configurable controller subsystem providing drive-status information via host-computer expansion bus  
The invention provides a method and circuit for control of intelligent or integrated disk drives whereby a single computer address port may be used for control of two intelligent disk drives. The c...
4974152 Inserted device for independently connecting auxiliary storage units to a data-processing assembly  
An inserted device for connecting auxiliary storage units (2) to a data-processing assembly, the units being connected on the one hand by a daisy-chain control cable A connecting the storage units ...
4926419 Priority apparatus  
Apparatus for determining priority of access to a bus by nodes in a group of nodes attached to the bus. For purposes of determining priority, the apparatus arranges the nodes in a circular configur...
4914625 Bypass mechanism for daisy chain connected units  
A bypass mechanism is described for improving the operation of a daisy chain line linking a plurality of units and used for propagating a signal which may be trapped by the first unit in the chain ...
EP0265574A1 Daisy chain bus access configuration.  
The circuit comprises means for providing a daisy-chained grant signal emitted by an adapter No (n-1) to be propagated directly to the adapter N (n) on the one hand, and to the adapter No (n+1) on ...
4739321 Decentralized line reservation interface within a local data network  
An interface modem for use in a broadband local area data network with collision avoidance protocol. The data link controller features hardware acknowledge circuitry that acknowledges the receipt o...
4720784 Multicomputer network  
A multicomputer network that includes a plurality of individual computers and an interconnection system for interconnecting the computers. An interface is provided for connecting the computers to t...
4719622 System bus means for inter-processor communication  
A system bus and bus interface apparatus for connecting components in a data processing system having a plurality of non-memory and memory components. The system bus has the following sets of lines...
4698772 Reproduction machine with a chain of sorter modules and a method to perform chaining tasks  
The present invention is a chain of interchangeable control boards controlling the operation of a sequence of sorters. A first control board responds to a sort command. If a first sorter under the ...
4653047 Communication subsystem  
A communication subsystem includes a plurality of peripheral interface devices, one or more network interface devices and, optionally, one or more gateway interface devices. Each and every interfac...
4608700 Serial multi-drop data link  
A digital data link for communication between distributed components including at least two serial paths, a data path and a control path, and a port associated with each component, the ports servin...
4608559 Local modulated carrier data network with a collision avoidance protocol  
A modem for a single frequency, modulated RF carrier local data network for a distributed data processing system and a method for line acquisition and contention resolution. The protocol establishe...
4573120 I/O Control system for data transmission and reception between central processor and I/O units  
A central processing unit is cascade-connected with a plurality of I/O units, and a bus interconnecting them comprises a plurality of data lines for transmitting a control command signal, an addres...
4569046 Method of, and a terminal for, transmitting bytes to a bus  
A plurality of terminals, such as digital telephones, are connected to a serial data bus formed by a balanced two-wire line. Each terminal transmits bytes bit-serially with the magnitude bits first...
4569045 3-Wire multiplexer  
The invention provides a 3-wire multiplexing system exhibiting high noise immunity, particularly suitable for industrial control applications. A master station provides AC power, and clocking and s...
4564938 Digital electronic switching systems  
An electronic switching system in which digital data is required to be exchanged between two pieces of electronic apparatus such as two telephone subscribers, in which a parallel time division mult...
4536873 Data transmission system  
The present invention relates to a data transmission system wherein a central station having a plurality of router elements exchanges data via a bus which is operatively connected to each router el...
4486855 Activity detector usable with a serial data link  
An activity detector device detects the presence or absence of information transmission over a serial data link between a computer system and a peripheral device. If a presence of a data signal exi...

Matches 1 - 37 out of 37