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6128294 |
Network connecting apparatus
The network connecting apparatus implements an address resolution control method in conjunction with a switch on a network having a plurality of sub-nets within a single physical segment. The...
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6107936 |
Electronic price label system including an electronic price label for attracting customers
An electronic price label (EPL) system including an EPL for attracting customers which uses a noisemaker to make noise during special promotions. The system includes an EPL associated with an item...
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6075794 |
Method for coordinating inbound channels in a selective call communication system
A method for coordinating an inbound channel in a selective call communication system (100) includes the steps of encoding (702) an expected time for an inbound response and a number of bits in the...
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6052591 |
Broadcasting messages to mobile stations within a geographic area
A dialable directory number is assigned to a particular location area or cell area. A telecommunications user wanting to transmit user defined messages, such as a text message, to mobile stations...
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6041035 |
Open system modular electronics architecture
A communications, navigation and identification (CNI) avionics system is disclosed. The CNI system includes a first integrated sensor performing a first CNI function and a second integrated sensor...
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6011799 |
Method and apparatus for managing external physical layer devices
Every external physical layer device coupled to a multiport data communication switch is polled in succession to determine status and control information relating to the external physical layer...
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5920882 |
Programmable circuit assembly and methods for high bandwidth data processing
A programmable circuit assembly and methods for high bandwidth data processing. The assembly includes an array of in-circuit programmable logic packages interconnected with an array of memory...
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5900814 |
Security/prevention system with related device
The base of a security/prevention system is an electronic device which has the capability of joining the performance of two functions, i.e. prevention of road accidents and theft protection of...
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5898677 |
Integrated circuit device having a switched routing network
Signal area efficiency in integrated circuit designs is improved by increasing the information efficiency of signal wiring on an integrated circuit. Candidate signals are selected for combination...
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5872518 |
Wireless selective calling receiver with a method and a system for releasing a frequency channel lock
A wireless selective calling receiver performs an intermittent receiving operation in a channel lock state. The channel lock is canceled when a detected network information is judged to be...
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5798705 |
Communication system capable of easily reforming to have communication units
A communication system include a communication unit comprising first and second optical interfaces 2 and 3, a lower order interface 4, an active selecting circuit 5, and a spare selecting circuit...
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5790524 |
Detection of lost packets in switching networks used with scalable coherent interfaces
The Scalable Coherent Interface (SCI) standard of the Institute of Electrical and Electronics Engineers is intended for fast, high throughput, unidirectional links to high-performance...
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5781537 |
Setting up, taking down and maintaining connections in a communications network
An efficient distributed technique for setting up, taking down, and updating connections in a communications network, which is robust in the presence of failures. More specifically with this...
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5734830 |
Multi-equipment routing method and master station for layered protocol communication network system
The multi-equipment routing method (700) and master station (400) include customized virtual ports that are selected by a polling unit in accordance with a link address header that identifies a...
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5721683 |
Electronic discrete brake control system for a train
A system for electronically controlling brakes on a train is responsive to a brake handle positionable into any one of a plurality of discrete positions. The discrete brake control system includes...
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5721534 |
Paging system with adaptive monitoring schedule and method of operation thereof
A satellite-based, world-wide cellular messaging system (5) transmits paging messages to pagers (2) via multiple beams. A pager (2) monitors multiple beams, recording the schedules for each beam,...
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5701416 |
Adaptive routing mechanism for torus interconnection network
A routing mechanism includes two acyclic non-adaptive virtual channels having two types of virtual channel buffers to store packets along deterministic virtual paths between nodes in an...
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5701120 |
Partitioned point-to-point communications networks
Partitioned point-to-point communications networks and configured to include a plurality of overlapping network portions, from "fully connected" point-to-point communications networks that are...
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5692130 |
Method for selectively using one or two communication channel by a transmitting data terminal based on data type and channel availability
In a communication method for data terminal equipment, which communication method includes a function of forming a communication link comprising a plurality of B channels by having a calling...
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5680402 |
Priority broadcast and multi-cast for unbuffered multi-stage networks
A dual priority switching apparatus for making input port to output port connections on a requested basis quickly and dynamically, in a standard mode from any one of the input ports to a fixed...
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5677931 |
Transmission path switching apparatus
Only when data inputted from first and second transmission paths agree with each other, a selector effects switching from the data from the first transmission path to the data from the second...
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5652783 |
Method and apparatus for selectively encoding digital messages in a communication system
A communication system providing selective encoding of digital messages (408) comprising a plurality of transmitting devices (116) and a plurality of receiving devices (122). The transmitting...
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5648957 |
Distributor employing controlled switching elements
A distributor with controlled switching elements (CSE) which simplifies hardware construction by distributing the function of a running adder into a reverse banyan network. The distributor...
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5646602 |
Switching network for selective product demonstration
A switching network for interconnecting selected products of different electronic groups on display for purposes of active demonstration includes a plurality of nodes. Each product on display is...
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5635921 |
Emergency vehicle radio transmission system
An apparatus for, and method of, providing an emergency signal over preselected frequencies of various radio bands such that the operators of nearby motor vehicles, or other emergency vehicles, or...
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5621767 |
Method and device for locking on a carrier signal by dividing frequency band into segments for segment signal quality determination and selecting better signal quality segment
The present invention provides a method and device for locking onto a carrier signal located within a frequency band of a digitally modulated analog signal. More particularly, the method includes...
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5617561 |
Message sequence number control in a virtual time system
In a virtual time system employing parallel processing nodes, processor nodes communicate with each other by sending messages. Each message between any pair of processing nodes is labeled with a...
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5606551 |
Bidirectional mesh network
A communication network called a bidirectional mesh network (MSN), also called bi-MSN, is described. The bi-MSN includes a plurality of first communication loops (horizontal loops) each comprising...
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5602838 |
Global multi-satellite network
A global satellite communication network is described. The global satellite communication network comprises a plurality of polar communication loops and a plurality of longitudinal communication...
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5592485 |
Connection system between a master and slave processing units
A connection system of the multiplex type between at least one master processing unit and slave units, in particular associated with electrical devices in a vehicle for activating or controlling at...
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5590285 |
Network station with multiple network addresses
DLL devices are built with multiple MAC address instead of a single MAC address, and provide a multiple virtual DLL interfaces to the upper layers (3-7) in a computer. This results in a new class...
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5577042 |
Broadcast and presentation system and method
A broadcast and presentation system for synthesis of diverse data transmission signals and multimedia application subsystems. The system includes a signal processing line for transmitting...
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5572512 |
Data routing method and apparatus for communication systems having multiple nodes
A method and apparatus for balancing data packet routing through a communication system (10) and for routing data packets based on their type is accomplished by using multiple routing table pages...
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5564025 |
Apparatus for arbitrating requests for access from slave units by associating the requests with master units and determining the relative pendency thereof in a radio base station transceiver
The radio base station (BSI) in a cellular radio communication system such as a GSM system must perform considerable real time processing, e.g. for channel coding and decoding, which requires a...
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5561419 |
Wireless communication apparatus and game machine using the same
A wireless communication apparatus for transmitting signals between a plurality of controllers and a master unit in a wireless fashion and a game machine using the wireless communication apparatus...
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5558577 |
Electronic game machine and main body apparatus and controllers used therein
To present an electronic game machine simple in constitution and excellent in extendability. A main body apparatus comprises an interface having one port and connectors connected in parallel to...
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5555478 |
Fiber optic information transmission system
A unique fiber optic network with shunting routing devices strategically placed on the fiber optic matrix. These shunting devices divert the packeted information through the network to the intended...
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5555543 |
Crossbar switch apparatus and protocol
A computer networking system includes a cross bar switch and a protocol for operating the same. The crossbar switch typically connects a plurality of ports one to another and the protocol...
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5544168 |
ATM switching arrangement
An ATM telecommunications switch includes a plurality of parallel data switching planes and a parallel control plane, each plane having an equal number of input ports and output ports and a central...
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5519694 |
Construction of hierarchical networks through extension
A switching network incorporates expander graphs such as multibutterflies but avoids the wiring complications resulting from the randomness of such graphs. The network includes metanodes, each...
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5497369 |
Multicast switch circuits
A multicast switch fabric is described wherein blocking of desired signal paths is handled by storing a cell to be transmitted through the fabric at a buffer at an input port to the fabric and...
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5495483 |
Method and apparatus for allocating carrier channels
In a communication system that utilizes DMT technology to couple a primary site (102) to a plurality of secondary sites (104-108), carrier channel allocations may be performed as follows. When a...
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5491836 |
Method and apparatus for selectively squelching analog signals produced by a paging terminal
A communication system (200) for providing analog signals comprises a terminal (220) for generating tone and voice signals on tone and voice lines (230, 235), respectively, and a signal processor...
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5483575 |
System for correlating RF usage in a trunked communication network based on channel assignments and channel drops for each call
A system and method are disclosed for correlating rf communications in a multi-site, trunked rf communication system which includes a plurality of site controllers for controlling radio unit rf...
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5483522 |
Packet switching resource management within nodes
Method and apparatus for managing internal-node communications in a packet switching network by calculating optimal routes for packets and addressing subnodes within packet nodes using a specific...
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5481249 |
Bidirectional communication apparatus for transmitting/receiving information by wireless communication or through a power line
Full duplex communication is attained by using only one communication channel in wireless communication between a host computer 1 and a printer 6. The communication from the host computer 1 to the...
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5467343 |
Method and device for consolidation of preferential resource constraints
A novel resource constraint merge scheme combines the requested and acceptable resource constraint sets for an efficient solution to the problem of consolidating preferential resource constraints....
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5465251 |
Network addressing
Described is a network addressing scheme in which a message sent from a source node to a destination node includes a path address which defines the path over which the message should travel to...
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5459718 |
Cross connection by using a switch request flag in a digital signal fails before supply to cross connected switch units
In a cross connecting network wherein a branching device branches a group of digital signals into duplexed groups for supply to two switch matrix devices, each including switch elements in foremost...
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5457715 |
Method and device for communicating data using a plurality of lines
Disclosed is a data communication method using a plurality of communication lines. In the method, a larger number of communication lines than the number of communication lines to be actually used...
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