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Patent # Description
US-5,923,676 Bist architecture for measurement of integrated circuit delays
A built-in self-test (BIST) method and apparatus for digital integrated circuits (ICs) and for systems including multiple ICs, measures signal propagation delays...
US-5,923,675 Semiconductor tester for testing devices with embedded memory
A semiconductor tester with features to facilitate testing of embedded memories. The circuitry allows tests to be generated algorithmically, but can be used in...
US-5,923,674 Semiconductor electrically erasable and writeable non-volatile memory device
In a semiconductor electrically erasable and writable non-volatile memory device, a memory cell array 14 includes a test memory region 142 for a writing test,...
US-5,923,673 IEEE 1394 data/protocol analyzer
An IEEE 1394 serial bus network data capture and analyzer device is coupled within an IEEE 1394 serial bus network for monitoring, capturing and analyzing data...
US-5,923,672 Multipath antifuse circuit
An address detection circuit includes for each bit to be detected, a plurality of antifuse legs connected in parallel. Each of the antifuse legs includes a...
US-5,923,671 Coupling multiple low data rate lines to effect high data rate communication
Apparatus for linking multiple baseband telephone lines to provide broadband communication. The apparatus comprises a broadband port, a plurality of baseband...
US-5,923,670 Multi-port type universal asynchronous receiver/ transmitter system using time division system
A multi-port universal asynchronous receiver/transmitter (UART) system is disclosed having time division multiplexing and demultiplexing. The system has plural...
US-5,923,669 Adaptive boundary buffers
The fitting of boundary buffers on the exit from a telecommunications network can greatly reduce the relative wander. Adaptive boundary buffers have a phase...
US-5,923,668 Apparatus and method of establishing a downlink communication path in a wireless telecommunications system
A wireless telecommunications system (1) includes a central terminal (10) for transmitting and receiving radio frequency signals to and from a subscriber...
US-5,923,667 System and method for creating N-times bandwidth from N separate physical lines
A method and system aggregate data on multiple physically separate lower-speed E1/J1 channels of a communications network to generate higher bandwidth. A high...
US-5,923,666 Decoding carriers encoded using orthogonal frequency division multiplexing
This invention relates to decoding symbols in the form of modulated carriers which are encoded using orthogonal frequency divsion multiplexing. The modulated...
US-5,923,665 Memory controller for decoding a compressed/encoded video data frame
A multimedia system includes an audio/video decompresser/decoder for decompressing/decoding a compressed/encoded audio/video data stream in order to generate...
US-5,923,664 Method and apparatus providing a multiport physical interface to high speed packet networks
The invention discloses a method and an apparatus for implementing the physical interface in a network element connected to a packet network such as Asynchronous...
US-5,923,663 Method and apparatus for automatically detecting media connected to a network port
A media detection system that detects an external device coupled to a port of a network device and that establishes a working communication link. The media...
US-5,923,662 Communication system message acknowledgement
A local communication system includes a number of stations interconnected for the communication of messages via a serial data channel. A first station transmits...
US-5,923,661 Method of collecting large amounts of data in apparatus such as ATM exchange
A central control unit responsible for path control collects data from a distribution/concentration unit by issuing thereto a command containing the...
US-5,923,660 Switching ethernet controller
An Ethernet controller, for use within an Ethernet network of other Ethernet controller connected together by a bus, is provided. The Ethernet controller...
US-5,923,659 Telecommunications network
A system and method for controlling on a worldwide basis two or more telecommunications networks which are themselves capable of exercising a form of common...
US-5,923,658 ATM line card and method for transferring connection memory data
An ATM line card is provided wherein a microprocessor bus is selectively coupled to a memory bus during maintenance time intervals. This allows direct transfer...
US-5,923,657 ATM switching system and cell control method
An ATM switching system which includes PVC allocation circuits corresponding to output queues. At the time of arrival of the leading cell of each burst data, if...
US-5,923,656 Scalable broad band input-queued ATM switch including weight driven cell scheduler
An asynchronous mode transfer (ATM) switch conducting switching based upon the calculation of weights for entries corresponding to cells in an input queue to...
US-5,923,655 Interactive video communication over a packet data network
A system and method for communicating audio/video data in a packet-based computer network wherein transmission of data packets through the computer network...
US-5,923,654 Network switch that includes a plurality of shared packet buffers
A network switch for transferring packets of information including a plurality of shared packet buffers for a plurality of network ports. The network switch...
US-5,923,653 SONET/SDH receiver processor
A receiver processor for use in a SONET OC-48 or SDH test or network environment. The processor includes a 16:32 demultiplexer, descrambler, and a cross-connect...
US-5,923,652 Method for tying additional function modules into a controlling facility of a switching system, and a switching...
The invention relates to a method for tying additional function modules into a control facility of a switching system and to a switching system. A switching...
US-5,923,651 Increasing data throughput in a wireless telecommunications environment
A method is provided for increasing data throughput in a wireless telecommunications environment. The method includes the following steps: mapping a discrete bit...
US-5,923,650 Method and apparatus for reverse link rate scheduling
In a communication system capable of variable rate transmission, multi-level scheduling improves utilization of the reverse link and decreases the transmission...
US-5,923,649 Layer 2 protocol in a cellular communication system
A method for transmitting messages using an efficient communications link protocol over an air interface of a cellular communications system is disclosed. A...
US-5,923,648 Methods of dynamically switching return channel transmissions of time-division multiple-access (TDMA)...
Data transfer efficiencies of a frequency division and/or time division multiple access (FDMA/TDMA) communication systems are improved over prior art systems by...
US-5,923,647 Circulator usage in time division duplex radios
A communications apparatus for coupling a transmitter and receiver for duplex transmission is disclosed. The apparatus comprises a transmitter with a transmit...
US-5,923,646 Method for designing or routing a self-healing ring in a communications network and a self-healing ring routed...
A method for finding or routing a ring containing predetermined ring offices of a communications network while minimizing costs of communications channels used...
US-5,923,645 Cell rate control device and method
A bottleneck path prediction/storage unit predicts a bottleneck path, that is, a logic circuit whose transmission rate is limited by a cell switching unit other...
US-5,923,644 Apparatus and method for processing multicast cells in an input-queued multicast switch
A method of operating an input-queued multicast switch includes the step of loading input cells into a set of input queues. Each of the input cells specifies one...
US-5,923,643 Redundancy, expanded switching capacity and fault isolation arrangements for expandable telecommunications system
Redundancy, expanded switching capacity and fault isolation arrangements for use with an expandable telecommunications system. An inter-nodal network connects a...
US-5,923,642 Apparatus and method for using forward error correction setting to enable simultaneous use of multiple...
An apparatus and method using the forward error correction setting to enable simultaneous use of multiple modulation systems on terrestrial distribution networks...
US-5,923,641 Disk cartridge
A disk-like recording medium is rotatably accommodated in a case 1 configured by opposing an upper half 2 to a lower half 3. A lower head insert hole is formed...
US-5,923,640 Optical disc with a rewritable area and a read-only area
An optical disc having both rewritable area and read-only area is disclosed. The rewritable area has a single spiral pattern of start track land at a leading...
US-5,923,639 Phase-change optical recording medium having an additive related to the writing line speed
An optical recording medium having a phase-changing material layer served as a recording layer is composed to excellently repeat the rewrite of bits ...
US-5,923,638 Disk reproducing apparatus having an auto-changer
A disk reproducing apparatus having an auto-changer allowing information recorded on both sides of a disk to be reproduced. The apparatus has a storing unit for...
US-5,923,637 Method of manufacturing micro-tip for detecting tunneling current or micro-force or magnetic force
A micro-tip for detecting tunneling current, micro force or magnetic force is manufactured as follows. A recess portion is formed on the surface of a first...
US-5,923,636 Optical pickup
An optical pickup for recording on and reproduction from recording media of different recording densities (e.g. a high density disk such as a DVD and a lower...
US-5,923,635 Optical information recording or playbacking system, optical head apparatus used in the system and method for...
An optical disk apparatus is provided that is capable of recording and playback of optical disks such as CDs having different substrate thicknesses. Light...
US-5,923,634 Optical disc having surface portions configured to each represent at least two bits of data
A data storage device having a light source for emitting a beam of light along a directed path, and an array of light sensors, each of which light sensors...
US-5,923,633 Optical reproducing device compatible with multiple media recording densities
A reproducing apparatus of an optical recording medium which is capable of reproducing at least two types of optical recording mediums including an optical...
US-5,923,632 Optical pick-up device for a multi-layer recording medium with a photodetector arrangement for focusing and...
An optical pick-up device invention is adapted according to the present invention to reproduce an information signal recorded on a multi-layer optical disc...
US-5,923,631 Optical information recording/reproducing apparatus including a beam axis adjusting device for adjusting a...
In an optical information recording and/or reproducing apparatus, a light beam from an irradiation optical system is split into a plurality of beams by a...
US-5,923,630 Cartridge adaptor and a cartridge to be accommodated in the cartridge adaptor
A cartridge adaptor accommodates a second cartridge which is smaller than a first cartridge so as to allow the second cartridge to be mounted in a disk apparatus...
US-5,923,629 Magnetic recording encoder system for a (1,7) channel having a 2/3 coding rate
An improvement in a system for encoding a data field on a disk with write gate data. The system has an encoder and a data receiving controller for directing...
US-5,923,628 Disk rotational velocity controlling circuit
In a disk rotational velocity controlling circuit, an edge detection circuit 1 comprises a rising edge detector and a falling edge detector for detecting a...
US-5,923,627 Optical disc for coordinating the use of special reproduction functions and a reproduction device for the...
A multimedia optical disc includes a lot of blocks each of which stores moving picture data, audio data, sub-picture data, and control information. Each piece of...
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