| Patent # | Description |
|---|---|
| US-5,537,429 |
Error-correcting method and decoder using the same In a system in which errors are corrected using a BCH code or a Reed-Solomon code whose operations are defined on GF(2.sup.m), both transmitting and receiving... |
| US-5,537,428 |
Arrangement for bit error monitoring in switching equipment A device for checking bit errors occurring in datacells, used in switching equipment which forms part of a telecommunication system, includes an error discovery... |
| US-5,537,427 |
Modular multiple error correcting code system A method for encoding and decoding signals in accordance with a class of modular coding schemes is employed. Through a representation of Galois field elements in... |
| US-5,537,426 |
Operation apparatus for deriving erasure position .GAMMA.(x) and Forney
syndrome T(x) polynomials of a Galois... Operation apparatus for deriving an error position polynomial .GAMMA.(x) and a Forney syndrome polynomial T(x) of a Galois field capable of reducing the required... |
| US-5,537,425 |
Parity-based error detection in a memory controller A memory controller parity system that detects both even and odd bit errors in memory addresses and global errors in memory data. The parity system detects... |
| US-5,537,424 |
Matched spectral null codes with partitioned systolic trellis structures Apparatus and method for transmitting spectral null sequences of a spectrally-constrained code over a partial response channel. A Viterbi detector receives the... |
| US-5,537,423 |
Modular multiple error correcting code system A method for encoding and decoding signals in accordance with a class of modular coding schemes is employed. Through a representation of Galois field elements in... |
| US-5,537,422 |
Synchronization signal detector, synchronization signal detecting method
and demodulator A synchronization detector includes a NRZI circuit for extracting edge portions of RF signals detected as binary-valued signals to form a pulse train, a counter... |
| US-5,537,421 |
Single chip error processor An error processor on a single integrated circuit chip to detect and correct errors in a block of received data. The error processor includes processing hardware... |
| US-5,537,420 |
Convolutional interleaver with reduced memory requirements and address
generator therefor A convolutional interleaver and addressing scheme where up to B consecutive symbols containing errors can be interleaved such that they are separated from each... |
| US-5,537,419 |
Receiver sample timing adjustment using channel impulse response The present invention provides for sample timing adjustment using channel impulse response which is particularly well adapted for use in a receiver for digital... |
| US-5,537,418 |
Data transmit resynchronization at a node An array of Digital data processing nodes are shown arrayed in at least one node-ring where each node has its own transmission-clock which is approximately the... |
| US-5,537,417 |
Kernel socket structure for concurrent multiple protocol access In a multiprotocol environment, a new socket structure which moves the decision on which protocol to use until the time that the connection is actually made... |
| US-5,537,416 |
Buffer allocation to repeated information blocks in data transmission,
particularly video transmission Apparatus for transmitting and receiving information blocks, particularly video information, is arranged so that on receiving a corrupted information block it... |
| US-5,537,415 |
Multi-channel personal messaging unit A mobile communications system in accordance with the invention comprises primary and secondary wireless digital communications networks. The system also... |
| US-5,537,414 |
Method of wireless communication between base station and mobile station
and multiple access communication system In a communication system having a base station for controlling a transmission right and a plurality of substations, a substation having data to be transmitted... |
| US-5,537,413 |
Frame removal mechanism for token ring networks In accordance with principles of the invention, a frame removal mechanism for token ring networks is disclosed. The disclosed system uses strip delimiter frames.... |
| US-5,537,412 |
Audio-visual network connection system and method using gateways A network system wherein any device in all networks can be represented using addresses set in the individual networks without relying upon the concept of a... |
| US-5,537,411 |
Dual bus access network having a pair of virtual circuits Disclosed is a novel architecture for an access network of a mobile radiotelephony network formed by a dual bus or a dual counter-rotating ring to which there... |
| US-5,537,410 |
Subsequent frame variable data rate indication method In a synchronous fixed frame boundary system with variable data rates, a transmitter inserts into a current frame an indication of the data rate of the next... |
| US-5,537,409 |
Synchronizing system for time-divided video and audio signals A synchronizing system with a simple structure accomplishes synchronous reproduction without complicating a control circuit for synchronizing video and audio... |
| US-5,537,408 |
apparatus and method for segmentation and time synchronization of the
transmission of multimedia data Method and apparatus are provided for transmitting a stream of multimedia digital data over a distribution communications network. A multimedia stream server... |
| US-5,537,407 |
Watch pager system and communication protocol Battery saving can be achieved in a selective call receiver (i.e. in a radio pager) by only periodically activating the receiver. The activation rate or time... |
| US-5,537,406 |
Traffic station, method and system for transmitting data by satellite
between telephone switching centers A system of communicating by a satellite link between telephone switching centers via traffic stations includes a management center and an originating switching... |
| US-5,537,405 |
Cross-connecting module A cross-connecting module includes a demultiplexing unit, a first replacing unit, a cross-connecting unit, a second replacing unit, and a multiplexing unit. The... |
| US-5,537,404 |
Switched circuit connection management over public data networks for
wide area networks The invention relates to a wide area network implemented on a circuit-switched public data network. Terminals have access to a plurality of data channels and a... |
| US-5,537,403 |
Terabit per second packet switch having distributed out-of-band control
of circuit and packet switching... A telecommunications switch which has a central switch fabric made up of multiple crossbars that can be used to switch either circuit switched or packet switch... |
| US-5,537,402 |
ATM switch Each of a plurality of buffer memories provided corresponding to a plurality of OUT line fetches a cell through a corresponding address filter and provides the... |
| US-5,537,401 |
System for and method of exchanging server data in packet unit A server system constructed by a network using a known PBX in such a manner that information processing terminal equipment and server devices are held in... |
| US-5,537,400 |
Buffered crosspoint matrix for an asynchronous transfer mode switch and
method of operation A buffered crosspoint matrix (20) of an asynchronous transfer mode switch (10) includes a plurality of switching elements (38) for receiving and switching... |
| US-5,537,399 |
Local network A local area network comprises a plurality of network interfaces with each network interface coupled to a station, the network interfaces further for exchanging... |
| US-5,537,398 |
Apparatus for multi-rate simulcast communications A messaging system (500) for transmitting a message to a subscriber unit (312). The messaging system (500) includes a plurality of geographically distributed... |
| US-5,537,397 |
Spread aloha CDMA data communications Multiple transmitters transmit data signals using identical spreading codes. A single matched filter of a receiver receives all the signals. A broadcast timing... |
| US-5,537,396 |
Diffusion code generating method for spread spectrum communication A diffusion code generating method for a code division multiplex communication by a spread spectrum system is provided. A receiving apparatus according to the... |
| US-5,537,395 |
Method and apparatus for setting a channel congestion message in a
wireless multiple access packet data system A method of setting a channel congestion message in a wireless multiple access packet data system in which the channel congestion message is broadcast on the... |
| US-5,537,394 |
Routing system for communications network A process information generating section produces a communication process information necessary for a communication process. A status predicting section receives... |
| US-5,537,393 |
BLSR network having path-AIS generation function A bidirectional line switched ring network having a path alarm indication signal (AIS) generation function, which is provided with ID writing means for writing,... |
| US-5,537,392 |
Procedure and device for routing telecommunications in a meshed network In a meshed network, telecommunication calls from a transmitting-end telecommunication terminal (A) are routed via an originating node (ON), via transit nodes... |
| US-5,537,391 |
Exchange apparatus and method for testing the same The present invention relates to an exchange apparatus and a method for testing an exchange apparatus. The exchange apparatus includes layer 1 process normality... |
| US-5,537,390 |
Device for detecting residual capacity of secondary battery A secondary battery control device includes a secondary battery section, a current converting section for converting current inputted or outputted to the... |
| US-5,537,389 |
Disk cartridge having a single closing energizer for closing two
independently opened shutters Scratches on the recording disk caused by sliding of a disk cartridge shutter is prevented by slidably inserting first and second shutters between a tray and a... |
| US-5,537,388 |
Method and apparatus for characterizing and compensating for non-linear
components A method of determining the degree z of a hyperbolic non-linear characteristic, of a process that is controlled by application of a manipulated variable signal... |
| US-5,537,387 |
Information storage disk with display data recorded in a lead-in region
and an apparatus for recording... An optical disc, and a disc recorder and a disc reproducer therefor, wherein in a lead-in region of the disc table of contents data indicating the record... |
| US-5,537,386 |
Tracking and focusing servo driven by comparison of direct current
signals rectified from detectors There is provided an optical pickup adapted to read out signals recorded in an optical disk, which is capable of detecting tracking error signals and focusing... |
| US-5,537,385 |
Reading multiple tracks data with a microscope scanner and a two mirror
light beam focus unit A method of reading data from an optical disk comprises providing means for illuminating the required part of the disk and acquiring the optical image of a... |
| US-5,537,384 |
Focus error detector A focus error detector for detecting a focus error of an objective lens with respect to an optical disk. The focus error detector includes a beam splitter for... |
| US-5,537,383 |
Optical data storage system with differential data detection and source
noise subtraction for use with... An apparatus and method for providing differential detection and source noise subtraction in data signals read from magneto-optic (MO), write-once (WO) or other... |
| US-5,537,382 |
Partial response coding for a multi-level optical recording channel A system and method for recording multi-level data to a multi-amplitude recording channel encodes binary data to form multi-level data. The multi-level data are... |
| US-5,537,381 |
Test-writing recording control method and test-writing recording control
apparatus and optical recording medium A test-writing recording control method of the present invention forms a first recording pattern consisting of a combination of a first microarea in a first... |
| US-5,537,380 |
Sonar system having an interactive sonar viewing apparatus and method of
configuring same A sonar system includes an interactive sonar viewing apparatus for facilitating operator selection of a variety of features. The interactive sonar viewing... |