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Patent No. 5823572

Self Defense Weapon With Memo

A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.

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Class 370/400 - Having a plurality of nodes performing distributed switching


Subclass of Class 370 - Multiplex communications
Definition: Subject matter having a switching architecture in which
No. of patents: 1808
Last issue date: 05/14/2013


            42          
NumberTitleIssue Date
5530808System for transferring ownership of transmitted data packet from source node to destination node upon reception of echo packet at source node from destination node
The present invention provides a method in a data processing system for efficiently sending a data packet from a source node to a destination node. The data processing system includes a multi-segment network having at least two segments, wherein the sourc...
06/25/1996
5528589Distributed type packet switching system and a method of controlling a flow control execution
A distributed type packet switching system and a method of controlling a flow control execution, changes a communication control module to execute the flow control operation depending on the processing capability of each communication control module invol...
06/18/1996
5526414Dynamically controlled routing using virtual nodes
A dynamically controlled routing (DCR) telecommunications network is formed by a plurality of network switching elements, each connected to at least one other by at least one circuit group for carrying calls therebetween, and a network processor connected...
06/11/1996
5515510Communications internetwork system connecting a client node array to a resource array
An interconnection topography for microprocessor-based communication nodes consists of opposite arrays of client nodes and resource nodes, with each client node connected to one resource node by a data transfer link, each resource node connected to a reso...
05/07/1996
5499237Waste canceling packet routing system and method
In a system that includes a constellation of satellite communication nodes, information packets are routed through the constellation using routing tables stored in each communication node. The routing tables are generated and updated regularly to reflect ...
03/12/1996
5495479Method and apparatus for an automatic decomposition of a network topology into a backbone and subareas
The object of the invention is to perform an automatic decomposition of a packet switching network in backbone nodes and subareas nodes to speed up the routing path search without degrading the optimization criterion of the routing algorithm and without g...
02/27/1996
5491690Method and apparatus to speed up the path selection in a packet switching network
Currently, routing algorithms compute all the available paths in the network, from a source node to a destination node before selecting the optimal route. The route computation is often time and resource consuming. Some paths are not acceptable due to the...
02/13/1996
5488608Method and system for routing packets in a packet communication network using locally constructed routing tables
In a packet communication system, wherein nodes are assigned an absolute coordinate-based address and routing decisions are made at each node without the use of directory-based routing, routing decisions made for a particular packet with an ultimate desti...
01/30/1996
5485455Network having secure fast packet switching and guaranteed quality of service
Apparatus and method for establishing "virtual connections" through a packet switched data communications network, the network including a plurality of end systems and switches connected by links. Each end system has a unique physical layer address and ea...
01/16/1996
5483522Packet 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 message format. Internal communication facilities called in...
01/09/1996
5481532Mobile telecommunications device and service
A highly fault tolerant method of radio communication of information in the form of a message packet employs a distributed network of transmitter/receivers `transceivers` each having a unique identification ("ID") number. An initiating transceiver creates...
01/02/1996
5477536Method and system for routing information between nodes in a communication network
A method and apparatus for routing packets through a multinode communication network includes a packet format with a sub-field in which a routing list (RL) having entry addresses and exit addresses for ports of nodes, through which the packet must be rout...
12/19/1995
5471467Routing logic means and method for distributing a packet among network nodes
A routing logic system and methodology for adaptive and distributed routing in packet switching networks makes an accurate routing choice needing only minimal signalling overhead. This is achieved by combining only local delay information with less dynami...
11/28/1995
5471461Digital communication network with a moderator station election process
A moderator on a communication network periodically transmits a set of parameters for a protocol that is used to communicate over the network. Each node on the network compares the set of protocol parameters from the moderator to a set of parameters store...
11/28/1995
5467345Packet routing system and method therefor
Information packets are routed among a constellation of satellite nodes in a communication system in a distributed, yet systematic fashion. Routing tables for each node are generated in advance by a recursive process that considers link usage and anticipa...
11/14/1995
5459717Method and apparatus for routing messagers in an electronic messaging system
A method and apparatus for routing a message embodied in a signal received by an electronic messaging system includes formatting a search key using address codes parsed from a user address specified in the message, where each of the address codes correspo...
10/17/1995
5428606Digital information commodities exchange
A system for the exchange of digital information packets includes an exchange with connectors to allow modular expandable units to connect to the exchange over transmission media. The modular expandable units send digital information packets from one to a...
06/27/1995
5425023Network system and method of managing a maximum transfer unit in the network system
A method of managing, in a network system having at least two end systems, at least two networks respectively connected to the at least two end systems and at least one transfer device for connecting the networks and transferring data between the networks...
06/13/1995
5422880Broadband 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 communication controller. Each communication module has a ...
06/06/1995
5410537Communications installation
A number of peripheral controllers are connected to a PCM highway used exclusively for switching through signalling and packet data. Each controller has a counter indicating the usage factor. If the usage of one controller is too high, the next controller...
04/25/1995
5404451System for identifying candidate link, determining underutilized link, evaluating addition of candidate link and removing of underutilized link to reduce network cost
A method for selecting the most cost-efficient configuration for backbone links in a distributed data network is disclosed. The method identifies candidate links between pairs of backbone nodes, evaluates the effect on the network of adding each candidate...
04/04/1995
5400338Parasitic adoption of coordinate-based addressing by roaming node
In a packet communication system wherein stationary nodes are assigned an absolute coordinate-based address, the addressing of roaming nodes is accomplished by parasitically adopting a coordinate routing scheme used for addressing stationary nodes. Each r...
03/21/1995
5386415Packet communiction method and packet communication apparatus
In communication nodes inserted in a ring-shaped or bus-shaped transmission path, a transmitting section writes transmission packets into transmission buffers in appropriate order and sends out the transmission packets onto the transmission path at approp...
01/31/1995
5381404Packet-switching communication network and method of design
A communication network and method of design thereof uses end-to-end delay distribution functions and loss probabilities as design constraint to ensure that all packets of all traffic classes on all end-to-end node pairs of the network reach a destination...
01/10/1995
5379295Cross-connect system for asynchronous transfer mode
A cross-connect communications system has an identifier separator for separating from a multi-bit header of an ATM cell a first multi-bit identifier to identify a destination of the ATM cell. The separator also separates a single bit broadcast identifier ...
01/03/1995
5377182Non-blocking crossbar permutation engine with constant routing latency
The invention is embodied in an N×N crossbar for routing packets from a set of N input ports to a set of N output ports, each packet having a header identifying one of the output ports as its destination, including a plurality of individual links which c...
12/27/1994
5371735Communication network with non-unique device identifiers and method of establishing connection paths in such a network
A communication network having a service processor, a plurality of terminal nodes, and a network of switch nodes for switchably connecting the service processor to each terminal node by way of one or more connection paths. Each switch node in the communic...
12/06/1994
5367636Hypercube processor network in which the processor indentification numbers of two processors connected to each other through port number n, vary only in the nth bit
A parallel processor network comprised of a plurality of nodes, each node including a processor containing a number of I/O ports, and a local memory. Each processor in the network is assigned a unique processor ID (202) such that the processor IDs of two ...
11/22/1994
5367517Method and system of requesting resources in a packet-switched network with minimal latency
A fast bandwidth reservation method and system used in packet-switched networks that reserve bandwidth for a data transfer over links in a path between a source node, at least one intermediate node, and a destination node with minimal latency where the so...
11/22/1994
5365524Establishing telecommunications call paths between clustered switching entities
In accordance with the principles of this invention, Pulse Code Modulation (PCM) signal streams are converted into Asynchronous Transfer Mode (ATM) cells for switching and transmission across a telecommunications network. Each cell carries one PCM sample ...
11/15/1994
5365520Dynamic signal routing
Data packets are delivered through a constellation of nodes to a termination unit. The node where a packet leaves the constellation is a terminal node. Each packet includes a routing code. When a node receives a packet, it examines the routing code to det...
11/15/1994
5355371Multicast communication tree creation and control method and apparatus
In a multicast network communication system, administration of the communication path making up the multicast tree itself has been separated from control and administration of the network. Creation of a multicast distribution tree and control over the mem...
10/11/1994
5355364Method of routing electronic messages
A method of sending an electronic message from a source station through a network of switches and links to a destination station. An electronic message is sequentially sent to each of a series of switches. Each switch reads a route signal in the message a...
10/11/1994
5353283General internet method for routing packets in a communications network
A method for transmitting a packet via a sequence of nodes in a network is disclosed. The transmitted-packet contains a sequence of one or more identifiers in a sequence of fields 410, 420, 430, 440, 450, 460, 470, 480 and a pointer pointing to a particul...
10/04/1994
5347511Traffic management in packet communications networks
In a packet communications network, the addition or deletion of a connection to the network by a user is governed by a link traffic metric which represents the effective capacity of each link in the network which participates in the packet connection rout...
09/13/1994
5341372Protocol 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 a remote node polling process performed by other nodes whi...
08/23/1994
5319638Link-by-link congestion control for packet transmission systems
A packet transmission system includes a mechanism for controling congestion (30, FIG. 2) in the transmission system by comparing, at each switching node of the system (52, FIG. 5), the traffic load at that node and the traffic loads at all immediately nei...
06/07/1994
5317566Least cost route selection in distributed digital communication networks
A distributed digital communications network has an originating node and a multiplicity of destination nodes. The various nodes are interconnected by links and at least some of the nodes are accessible to other nodes only by multiple links. To save time i...
05/31/1994
5315587Data flow control
A method for monitoring and controlling the data flow in a packet data net or a datagram net comprising lines and nodes, the lines via nodes connecting by the network comprised terminals between which traffic takes place in the form of data packets or dat...
05/24/1994
5311593Security system for a network concentrator
A method and apparatus for providing secure communication on open networks. Each port of the network is provided with a security entity which monitors the communication between one port to the other. End stations connected to the ports communicate with ot...
05/10/1994
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