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| Patent # | Description |
|---|---|
| US-5,790,574 |
Low cost, high average power, high brightness solid state laser A high average power, high brightness solid state laser system. We first produce a seed laser beam with a short pulse duration. A laser amplifier amplifies the... |
| US-5,790,573 |
High power free electron lasing device using electrostatic wigglers with
recirculating beams between a pair of... An apparatus for producing high intensity laser radiation. A vacuum enclosure is provided which includes first and second magnets at each end, and a magnetic... |
| US-5,790,572 |
Communication system with framing error detection When a framing error occurs in a slave unit, the cause of error is analyzed, and an interruption is inhibited or enabled depending on the cause of error thus,... |
| US-5,790,571 |
Coding data in a disc drive according to a code having desired algebraic
characteristics The present invention involves a method to transmit data over a communication channel that can be modelled as one of the three following partial response... |
| US-5,790,570 |
Concatenated trellis coded modulation and linear block codes A concatenated trellis coded modulation and linear block (e.g., Reed-Solomon) encoding scheme splits data to be encoded into two data streams, one of which is... |
| US-5,790,569 |
Method and apparatus for generating, recording and transmitting an error
product code block having an improved... There is provided a method of processing data for generating an error correction product code block devised so as to maintain the current level of redundancy... |
| US-5,790,568 |
Spacecraft Reed-Solomon downlink module Apparatus and method for providing downlink frames to be transmitted from a spacecraft to a ground station. Each downlink frame includes a synchronization... |
| US-5,790,567 |
Parallel processing spacecraft communication system An uplink controlling assembly speeds data processing using a special parallel codeblock technique. A correct start sequence initiates processing of a frame. Two... |
| US-5,790,566 |
Method and device for depuncturing data A circuit and method for depuncturing data in the receiver circuitry of a digital communications system. The depuncturing circuit includes a multiplexer circuit... |
| US-5,790,565 |
CMOS integrated circuit failure diagnosis apparatus and diagnostic method A failure diagnosis apparatus is provided which predicts failure locations in a CMOS integrated circuit in which an Iddq has been discovered, this apparatus... |
| US-5,790,564 |
Memory array built-in self-test circuit having a programmable pattern
generator for allowing unique read/write... An ABIST circuit for testing a memory array has a blanket write subcycle (WC), an RC3 subcycle, and an RC4 subcycle. The ABIST circuit includes a programmable... |
| US-5,790,563 |
Self test of core with unpredictable latency A test method and means for in integrated circuit (10) having asynchronous communication capabilities including a transmitter (12) and a receiver (14). A pattern... |
| US-5,790,562 |
Circuit with built-in test and method thereof A circuit with a built-in self test, comprising: a circuit to be tested; a generating circuit coupled to the circuit to be tested, wherein the generating circuit... |
| US-5,790,561 |
Internal testability system for microprocessor-based integrated circuit A fault isolation system for use in an integrated circuit. The fault isolation system includes multiple input shift registers which are connected end-to-end,... |
| US-5,790,560 |
Apparatus and method for timing self-timed circuitry A method and apparatus for timing self-timed circuitry measures the cycle time of a self-timed system or circuit. An input pattern generator generates a... |
| US-5,790,559 |
Semiconductor memory testing apparatus A memory unit for storing failure data of a semiconductor memory under test comprises a plurality of interleaved DRAMs. A buffer memory temporarily stores... |
| US-5,790,558 |
Numerical control apparatus A numerical control apparatus for making it easy to analyze a cause of the stop of the system due to an abnormality in an error detection communication or an... |
| US-5,790,557 |
Apparatus for implementing the function of a virtual container-11 and a
tributary unit group-2 in a synchronous... An apparatus for implementing the integrated function of virtual container-11(VC-11) and tributary unit group-2(TUG-2) is configured to transmit and receive a... |
| US-5,790,556 |
Method and apparatus for video signal processing A video signal is supplied from a digital VTR 1 and is encoded by an MPEG encoder 8. The encoded video signal is recorded as a compressed video signal in an HDD... |
| US-5,790,555 |
Signal multiplexer and multiplexing method The frequencies of input modulated signals fed via ports 11.sub.1 to 11.sub.n are converted by frequency converting parts 12.sub.1 to 12.sub.n to different... |
| US-5,790,554 |
Method and apparatus for processing data packets in a network A method and apparatus for filtering data packets from a network device, such as a LAN switch, onto a network coupled thereto based on the content of the data... |
| US-5,790,553 |
Seamless peer-to-peer communications in a layered communications
architecture An improvement in the Open Systems Interconnection model in which Service Access Points can be established directly between peer entities in the same layer of a... |
| US-5,790,552 |
Statistical gain using ATM signalling Statistical multiplexing gain is desirable on ATM links, especially on high-cost international links, and is provided where STM traffic is carried as cells on an... |
| US-5,790,551 |
Packet data transmission using dynamic channel assignment A method for transmitting packetized data in a cellular communication system uses a dynamic channel assignment scheme. In this aspect of the invention a data... |
| US-5,790,550 |
Method for allocating data elements to a set of carriers, mapping unit
and modulator to perform this method To allocate a number of data elements to a set of carriers, the carriers are divided into N subsets of carriers according to a predetermined carrier criterion... |
| US-5,790,549 |
Subtractive multicarrier CDMA access methods and systems Apparatuses and methods for practicing subtractive multi-carrier CDMA techniques are disclosed. A channel is divided into a plurality of contiguous subchannels,... |
| US-5,790,548 |
Universal access multimedia data network A system and method for providing Internet access via a Public Switched Telecommunications Network (PSTN) using full time asymmetric digital subscriber line... |
| US-5,790,546 |
Method of transmitting data packets in a packet switched communications
network Apparatus and method for establishing "virtual connections" through a packet switched data communications network, the network including a plurality of end... |
| US-5,790,545 |
Efficient output-request packet switch and method A method (1200, 1500, 1600, 1700, 1800) and packet switch (500, 600, 700, 1400,1900, 2000) for efficient switching of a plurality of received packets from a... |
| US-5,790,544 |
ATM cell-to-frame reassembly method and apparatus for overrun avoidance An ATM cell-to-frame reassembly method and apparatus are provided for overrun avoidance. For each END ATM USER connection a value defining a maximum number of... |
| US-5,790,543 |
Apparatus and method for correcting jitter in data packets An arrangement (apparatus and method) for detecting jitter caused during transport of digitally-coded information, such as MPEG-encoded data packets, and for... |
| US-5,790,542 |
Destination address detection apparatus for hardware packet router An improved destination address detection apparatus for a hardware packet router capable of detecting the address of the destination to which the packet data is... |
| US-5,790,541 |
Apparatus, method, system and system method for distributed routing in a
multipoint communication system An apparatus (110, 101), method, system (100) and system method provide for distributed internetwork routing of information in a communication system (100). The... |
| US-5,790,540 |
Multiplexing/demultiplexing unit arranged on a multi-surface integrated
circuit The present invention relates to a multiplexing/demultiplexing unit constructed as an integrated circuit and as a block on a sub-surface of a silicon surface,... |
| US-5,790,539 |
ASIC chip for implementing a scaleable multicast ATM switch An application specific integrated circuit (or "ASIC") chip for building a scaleable, multicast, asynchronous transfer mode (or "ATM") switch having on the order... |
| US-5,790,538 |
System and method for voice Playout in an asynchronous packet network A System for Voice Playout in an Unsynchronized Packet Network for use with isochronous and asynchronous data transmission over a communication network having at... |
| US-5,790,537 |
Interference suppression in DS-CDMA systems A code division multiple access (CDMA) communications system comprises a plurality of CDMA transmitters and at least one reception station coupled together by a... |
| US-5,790,536 |
Hierarchical communication system providing intelligent data, program
and processing migration A hierarchical communication system, arranged in a spanning tree configuration, is described in which wired and wireless communication networks exhibiting... |
| US-5,790,535 |
Satellite communications system carrying out reservation of necessary
time slots by prediction of reply data in... In a channel access system wherein a common communication channel is divided into frames on each having a predetermined number of time slots which are classified... |
| US-5,790,534 |
Load control method and apparatus for CDMA cellular system having
circuit and packet switched terminals A method for operating a cellular communications system of a type that includes a first type of terminal having real-time transmission needs and a second type of... |
| US-5,790,533 |
Method and apparatus for adaptive RF power control of cable access units A method and apparatus for controlling data transmissions from a first communications unit (202) to a second communications unit (210). Data transmissions... |
| US-5,790,532 |
Voice over video communication system A personal communications system is described which includes components of software and hardware operating in conjunction with a personal computer. The user... |
| US-5,790,531 |
Method and apparatus for determining the origin of a remote alarm
indication signal A method and apparatus for automated sectionalization of a DS1/DS3 data path based upon information received at a single location along the path. A test and... |
| US-5,790,530 |
Message-passing multiprocessor system A message-passing multiprocessor system, such as, a network interface, a method for transferring messages between a node and a node, and a method for formatting... |
| US-5,790,529 |
Communications network node with switched channelizer architecture A communications network (10) includes nodes (18) in which switched channelizers (32) decompose wideband signals into narrowband signals and route the narrowband... |
| US-5,790,528 |
Semi-hard handoff in a cellular telecommunications systems In a CDMA cellular telecommunications system, comprising mobile exchanges (MSC), base stations (BS) and mobile stations (MS), a new CDMA handoff procedure, a... |
| US-5,790,527 |
Trunked radio frequency communication system for accommodating both
frequency and time division based RF... In a trunked radio communications system, apparatus and methods are provided for transparently updating existing frequency division multiple access (FDMA)... |
| US-5,790,526 |
Bi-directional signal transmission system and adapter for such a system A bi-directional signal transmission system comprises a bi-directional signal path with a low-impedance section coupled to a high-impedance section through a... |
| US-5,790,525 |
Information collection device and method for use with communications
networks A storage unit includes an alarm state/timer table, an alarm state table, an alarm state OR-representation table, an alarm state change OR-representation table,... |
| US-5,790,524 |
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... |
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