Data demultiplexer
What is claimed is: 1. A data demultiplexer for demultiplexing an input stream formed by multiplexing a plurality of data and outputting desired data, said data demultiplexer comprising: a memory for ... Read More
Inventors: Nakase, Junko; Fujii, Yukio; Gunji, Hiroshi; Matsuno, Katsumi;, Assignee: Hitachi, Ltd. (Tokyo, JP) |
Method of and system for processing datagram headers for high speed computer network interfaces at low clock speeds, utilizing scalable algorithms for performing such network header adaptation (SAPNA)
What is claimed is: 1. A method of changing and manipulating datagram headers of packets of serial data streams of predetermined rate as required during traverse from one interface of a networking dev... Read More
Inventors: Aggarwal, Vijay; Benz, Henry Charles;, Assignee: Nexabit Networks, LLC (Marlboro, MA) |
System for efficient multicast distribution in a virtual local area network environment
It is an object of the present invention to provide an efficient mechanism for distributing multicast messages. It is a further object of the present invention to provide an efficient mechanism for di... Read More
Inventors: Gleeson, Bryan J.; Khabardar, Percy P.; Finn, Norman W.;, Assignee: Cisco Technology, Inc. (San Jose, CA) |
Apparatus and method for selectively outputting data using a MAC layer interface or a PCI bus interface
There is a need for an arrangement where a host management entity can access a switch without a reduction in bandwidth due to management frames output from the network switch. There is also a need for... Read More
Inventors: Kerstein, Denise;, Assignee: Advanced Micro Devices, Inc. (Sunnyvale, CA) |
Probabilistic cryptographic processing method
The present invention resides in a method and related apparatus for decrypting incoming information packets on a probabilistic basis. In terms of a novel method, the invention comprises the steps of e... Read More
Inventors: Gupta, Amar; Lampson, Butler W.; Hawe, William R.; Tardo, Joseph J.; Kaufman, Charles W.; Kempf, Mark F.; Gasser, Morrie; Herbison, B. J.;, Assignee: Digital Equipment Corporation (Maynard, MA) |
Internetworking router
It is an object of the present invention to accommodate physical segments of conventional LANs into a switching hub substituting them for virtual LANs without modifying software of terminals or settin... Read More
Inventors: Sekine, Minoru; Akitaya, Akihiko;, Assignee: NEC Corporation (Tokyo, JP) |
Error detection and recovery for high rate isochronous data in MPEG-2 data streams
In accordance with the present invention, a method is provided for managing errors in isochronous data received in bursts from a packetized data stream carrying isodata presentation units in fixed len... Read More
Inventors: Nuber, Ray; Moroney, Paul;, Assignee: General Instrument Corporation of Delaware (Chicago, IL) |
Processing system with pointer-based ATM segmentation and reassembly
The present invention involves apparatus and methods for providing video, audio, graphics, input/output communication and other processing functions in set top boxes and other applications with reduce... Read More
Inventors: Mills, Christopher; Adams, Christopher;, Assignee: C-Cube Microsystems, Inc. (Milpitas, CA) |
Apparatus and method for analyzing bitstreams
FIG. 1 depicts a block diagram of a simplified structure of a conventional packet stream system 100. More specifically, a "transport stream" as defined in accordance with the MPEG standards is used i... Read More
Inventors: Dieterich, Charles B.; Jonsson, Ragnar H.;, Assignee: Sarnoff Corporation (Princeton, NJ) |
Multiple wavelength laser having a reduced number of wavelength controls
In accordance with the present invention, we disclose an integrated, single output port, tunable multiple wavelength laser having N=N.sub.a N.sub.b output wavelengths selected using only N.sub.a +N.su... Read More
Inventors: Doerr, Christopher Richard; Dragone, Corrado Pietro; Glass, Alastair Malcolm;, Assignee: Lucent Technologies, Inc. (Murray Hill, NJ) |
Bipolar memory cell employing inverted transistors and pinched base resistors
The invented cell is a bipolar random access memory comprising a pair of transistors cross coupled to form a flip flop, with the preferred embodiment having a second pair of transistors operated as em... Read More
Inventors: Tsang, Frederick;, Assignee: Intel Corporation (Santa Clara, CA) |
Apparatus for assembling a seat for use in an automobile
It is therefore the essential object of the present invention to provide an apparatus for assembling a seat for use in an automobile which can overcome the disadvantage described above and facilitates... Read More
Inventors: Miyamoto, Masanori;, Assignee: Delta Kogyo Co., Ltd. (Hiroshima, JP) |
EPROM register providing a full time static output signal
In accordance with the teachings of this invention, an EPROM register is programmed in a manner substantially similar to the manner used to program a main EPROM array contained on the same integrated ... Read More
Inventors: Hall, Christopher M.;, Assignee: National Semiconductor Corporation (Santa Clara, CA) |
Apparatus and method for evaluating and predicting computer I/O performance using I/O workload snapshots for model input
OF THE INVENTION Like numerals refer to like elements throughout the figures of the drawings. As an aid in understanding the description to follow, reference may be had to the following publications,... Read More
Inventors: Salsburg, Michael A.;, Assignee: Unisys Corporation (Detroit, MI) |
Method for generating a correlated sequence of variates with desired marginal distribution for testing a model of a communications system
OF THE INVENTION There is a natural affinity between Uniform (0,1) sequences and modulo-1 arithmetic. In fact, uniformity is closed under modulo-1 addition in a rather general way to be made precise ... Read More
Inventors: Melamed, Benjamin; Jagerman, David;, Assignee: NEC Research Institute, Inc. (Princeton, NJ) |
System for providing notification of impending FIFO overruns and underruns
In the conventional system described above, only one request level or "safe" number of filled or empty sites in the FIFO is indicated so that the user must choose between requiring CPU intervention or... Read More
Inventors: Dalrymple, Monte J.; Brubaker, Lois F.;, Assignee: Zilog, Inc. (Campbell, CA) |
Method and apparatus for a distributed location register
We claim: 1. A distributed location register comprising: one or more communication service registers, each being associated with a different type of communication service and containing communication ... Read More
Inventors: Urs, Kamala Diane; Sasuta, Michael D.; Shaughnessy, Mark L.;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Forced network portal
The present invention provides a network in which communications between a user and a network are provided by receiving a user request for access to a network file during a user network connection ses... Read More
Inventors: Van Horne, Peter; Van Horne, Edwin James;, Assignee: Cisco Technology, Inc. (San Jose, CA) |
IP network access for portable devices
OF THE PREFERRED EMBODIMENTS Useful Reference Articles The following articles are useful for understanding background information on the topics discussed herein, and all are hereby incorporated by re... Read More
Inventors: Redlich, Jens-Peter;, Assignee: NEC Corporation (Tokyo, JP) |
Proxying and unproxying a connection using a forwarding agent
A system and method for proxying a connection using a distributed architecture is disclosed. A service manager attracts from forwarding agents packets that are sent by clients attempting to set up con... Read More
Inventors: Albert, Mark; Howes, Richard A.; Jordan, James A.; Kersey, Edward A.; LeBlanc, William M.; McGuire, Jacob Mark; Menditto, Louis F.; O'Rourke, Chris; Tiwari, Pranav Kumar; Tsang, Tzu-Ming; Wong, Bruce F.;, Assignee: Cisco Technology, Inc. (San Jose, CA) |
Communication system network having communication system fallback operation
These needs and others are substantially met by the communication network having communication system fallback operation disclosed herein. In a communication system network that comprises a plurality ... Read More
Inventors: Maher, John W.; Christensen, Laura; Lohrbach, Jeffrey;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Method and apparatus for synchronized transmission of data between a network adaptor and multiple transmission channels using a shared clocking frequency and multilevel data encoding
According to the present invention, binary data is transmitted from a media access controller to a network physical layer interface circuit as a series of multibit nibbles. This data is encoded into a... Read More
Inventors: Johnson, Howard W.; Patel, Sandeep; Rivers, J. R.; Sherer, William Paul;, Assignee: 3Com Corporation (Santa Clara, CA) |
Apparatus and method for determining a network node congestion state in order to control the congestion in an ATM network
An object of the present invention is to provide a method and an apparatus for effectively controlling congestion which is generated by fluctuation of traffics. In accordance with an aspect of the pre... Read More
Inventors: Lee, Soong Hee;, Assignee: Korea Telecommunication Authority (Daejeon, KR); Electronics and Telecommunications Research Institute (Seoul, KR) |
Multi-protocol local area network controller
What is claimed is: 1. A multiprotocol local area network ("LAN") controller unit for coupling a computer, the computer including a system bus, to a PITY connectable to a LAN, wherein the LAN may oper... Read More
Inventors: Szczepanek, Andre; Beaudoin, Denis R.;, Assignee: Texas Instruments Incorporated (Dallas, TX) |
System for providing access to memory in which a second processing unit is allowed to access memory during a time slot assigned to a first processing unit
Embodiments of the present invention overcome drawbacks of prior art DMA schemes by providing a multiple channel DMA apparatus and method with improved memory access. One embodiment of the present inv... Read More
Inventors: Marks, Karl M.; Dreher, Geoffrey A.; Monaco, Frank P.; Cook, Craig C.;, Assignee: Xionics Document Technologies, Inc. (Burlington, MA) |
Controlling device connected to IEEE1394 serial bus
An object of the present invention is to provide a controlling device capable of quickly sending a rewind playback or fast-forward playback command to an reproducer when a rewind or fast-forward key i... Read More
Inventors: Senoo, Junya; Nakata, Takeshi;, Assignee: Funai Electric Co., Ltd. (Daito, JP) |
Electrode structure on a matrix type liquid crystal panel
The present invention provides a new and useful liquid crystal display panel of the matrix type which, while being somewhat similar to the double electrode structure method (a), does not adopt any of ... Read More
Inventors: Nonomura, Keisaku; Takamatsu, Toshiaki; Uede, Hisashi; Wada, Tomio;, Assignee: Sharp Kabushiki Kaisha (Osaka, JP) |
Static dissipative touch device
I claim: 1. A static dissipative touch device for use in combination with electronic equipment for protecting said equipment from electrical damage of the type comprising a non-conductive base layer; ... Read More
Inventors: Frazier, Thomas G.;, Assignee: |
Composition of matter and process
OF THE INVENTION As disclosed above, the 11-step process for preparing compound(12) is shown in Chart 2. These steps are as follows: Step 1 The first step (aromatic nucleophilic substitution) in the ... Read More
Inventors: Wierenga, Wendell;, Assignee: The Upjohn Company (Kalamazoo, MI) |
Stylus for position responsive apparatus having electrographic application
Referring to FIG. 1, one embodiment of a stylus according to the invention is revealed in general at 10. Stylus 10 is fashioned having dimensions corresponding with a typical writing instrument such ... Read More
Inventors: Kable, Robert G.;, Assignee: Scriptel Corporation (Columbus, OH) |
I/O Systems 
