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Patent # Description
US-5,365,555 Water level measurement system
A system for measuring water level includes a reactor pressure vessel containing a core and steam separator assembly, with the vessel being filled with water to...
US-5,365,554 Instrumentation probe
An instrumentation probe for measuring and recording one or more physical parameters within a fluid duct, such as a nuclear reactor fuel channel, comprises one...
US-5,365,553 Transmitter, encoding system and method employing use of a bit need determiner for subband coding a digital signal
Transmitter, encoding system and method for subband coding a digital signal. The encoding system includes a splitter for dividing the digital signal into subband...
US-5,365,552 Buffer fullness indicator
The inventive method for indicating the level of buffer fullness of a data receiving device may be applied to editing processes and to general synchronization...
US-5,365,551 Data communication transceiver using identification protocol
One or more interrogating commander stations and an unknown plurality of responding responder stations coordinate use of a common communication medium. Each...
US-5,365,550 Initial synchronization and tracking circuits for spread spectrum receivers
A direct sequence digital spread spectrum receiver acquires and maintains synchronization in a reliable, yet simple manner, even under severe multipath and...
US-5,365,549 Complex signal correlator and method therefor
A complex signal correlator (106) and method therefor for correlating, at the multiple points in time, complex sampled (111) and reference (112) signals to...
US-5,365,548 Digital FSK transmitter
A digital FSK transmitter utilizing a clock feedback signal driving an accumulator to operate a pair of registers having a pair of preset numbers stored therein...
US-5,365,547 1X asynchronous data sampling clock for plus minus topology applications
The present invention relates to a system for asynchronous transmission and reception of data between control units. The system includes a first control unit...
US-5,365,546 Method of and apparatus for controlling modulation of digital signals in frequency-modulated transmissions
An interface device interacts between a digital data terminal and a frequency modulated analog transceiver module to control data flow between the digital data...
US-5,365,545 MODEM-channel bank converter
A converter (200) includes a transmit circuit that converts modem transmit samples at 9,600 samples/second into samples that may be transmitted by a T1 channel...
US-5,365,544 CDMA communications and geolocation system and method
A spread-specttrm CDMA communications system for locating remote units, and for communicating message data between a plurality of remote units and a base...
US-5,365,543 Transmitting circuit and receiving circuit
In a first direct-sequence spread spectrum communication system having a transmission circuit where a data signal to be transmitted is coded by a first chip code...
US-5,365,542 Anode for a direct current arc furnaces
An anode for a direct current arc furnace is proposed, in which at least part of the area of the furnace receiving the melt is provided on the inside with an...
US-5,365,541 Mirror with photonic band structure
An apparatus for achieving in-phase mode operation of a diode laser. A photonic band gap mirror (photonic crystal) having a periodic lattice structure is placed...
US-5,365,540 Vertical-to-surface optical semiconductor device and apparatus for coupling optical signals
A vertical cavity of a rectangular shape having short and long sides is defined between first and second mirror layers. Thus, two resonant wavelengths are...
US-5,365,539 Microchip laser
A gain medium is disposed between two mirrors to form a resonant cavity. The cavity length is selected so that the gain bandwidth of the gain medium is less than...
US-5,365,538 Slab waveguide pumped channel waveguide laser
A slab waveguide pumped channel waveguide laser includes a slab waveguide having a primary pump guiding layer with a first index of refraction and having first...
US-5,365,537 Method of producing a semiconductor laser
A semiconductor substrate is coated with an insulation mask. A window is cut in the mask using photolithography leaving stress risers at locations defining the...
US-5,365,536 Semiconductor laser
A semiconductor laser for radiating a laser beam when current flows in the forward direction includes a first laser structure, a tunnel diode structure and a...
US-5,365,535 Semiconductor laser and beam splitting devices, and optical information recording/reproducing, optical...
A semiconductor laser device includes a semiconductor laser, a signal generating circuit, a modulation circuit and a drive circuit. The semiconductor laser has...
US-5,365,534 Injection laser and photosensor assembly
Light emitted from the rear facet of an injection laser diode chip is focused to a compact spot size at the photosensitive surface of a photodiode responsive to...
US-5,365,533 Integrated circuit of semiconductor lasers
The disclosure relates to integrated circuits of lasers, wherein the linear arrays are supplied in series, with a return of current through the substrate. When...
US-5,365,532 Cavity dump laser amplitude stabilization
An amplitude stabilization circuit for a CO.sub.2 laser employing a filter for generating a Q-switched baseband video pulse representing intracavity laser flux,...
US-5,365,531 Apparatus and method for initializing an optical-fiber laser for mode locking
A figure-8 loop laser having a controllable phase shifter in a Sagnac loop (non-linear amplifying loop mirror). A half-wave plate in series with Faraday optical...
US-5,365,530 Error-correction encoding and decoding system
The present invention provides an error-correction code encoding and decoding technique in which an information amount is variable in a block, and...
US-5,365,529 Circuitry for detecting and correcting errors in data words occurring in Reed-Solomon coded blocks and...
Circuitry for detecting and correcting errors in data words occurring in Reed-Solomon coded blocks contains a plurality of stages. One stage constructs syndromes...
US-5,365,528 Method for testing delay faults in non-scan sequential circuits
To detect a delay fault along a signal path of interest (12) in a sequential digital circuit (10), a source flip-flop (14) and a destination flip-flop (16),...
US-5,365,527 Logical comparison circuit
A sample data signal obtained by sampling the response output from an IC under test is converted by an interleave circuit into n trains of low-speed signals each...
US-5,365,526 Trace system for an I/O channel
A trace system for selectively storing in tags stored in a TAG IN register and out tags stored in a TAG OUT register of an I/O channel controlled by an I/O...
US-5,365,525 Method for reducing bandwidth of a wireline communication path
Within a fixed infrastructure of a communication system, message portions of code words that are found to be uncorrectable (erasures) are transmitted with a...
US-5,365,524 Establishing 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...
US-5,365,523 Forming and maintaining access groups at the lan/wan interface
Access agents in nodes at the LAN/WAN interface are formed into a group of access agents so that the access agents may be managed by the WAN as a group. The...
US-5,365,522 Switching network
The switching network (SN) includes a plurality of intercoupled switching units (SU) and a communication path (VP) established by a path set up cell (PSUC). In...
US-5,365,521 Data transmission and transmission path setting among exchange modules in building block type exchanger
A data transmission among the exchange modules in the building block type exchanger with improved efficiency, reliability and simplicity of implementation. An...
US-5,365,520 Dynamic 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...
US-5,365,519 ATM switch1ng system connectable to I/O links having different transmission rates
An ATM switching system comprises a switch unit including a plurality of input ports and a plurality of output ports having the same cell transmission rate, and...
US-5,365,518 Sonet overhead server
A server combines a multiplexer/demultiplexer with a circuit switch to handle both high-speed overhead and data interfaced to the server through a cross-connect;...
US-5,365,517 ISDN Terminal equipment
ISDN (Integrated Services Digital Network) terminal equipment connected to an ISDN basic rate interface and capable of enhancing efficient communication. The...
US-5,365,516 Communication system and method for determining the location of a transponder unit
A multilaterating two-way message delivery system for mobile resource management provides efficient two-way radio data communication for multitudes of portable...
US-5,365,515 Network monitor and test apparatus
An apparatus for monitoring and testing a twisted pair, particularly useful for an Ethernet network. First and second DC currents alternated with one another are...
US-5,365,514 Event driven interface for a system for monitoring and controlling a data communications network
An Event Driven Interface (EDI) is disclosed for use as a subsystem of a monitoring and control system for a data communications network. The network...
US-5,365,513 Token ring local area network testing apparatus for matching its speed to ring speed
A token ring local area network (LAN) testing apparatus is provided. The apparatus includes hardware and software that enables it to determine whether the...
US-5,365,512 Multisite trunked RF communication system with reliable control messaging network
A distributed switching network (switch) routes audio and control signals throughout the switch from various audio sources to one or more audio destinations....
US-5,365,511 Reliable cross-connection network
In a cross-connection network including first and second matrix switching units supplied with input digital signals through a branching circuit, first through...
US-5,365,510 Communications system with a single protection loop
A communications system is provided having SONET communications channels extending between first and second locations. The channels include pairs of forward and...
US-5,365,509 Method and apparatus for analyzing nodes on a computer network
Disclosed is a system that monitors the signal strength of each transmission by a node on a LAN cable of a local area network and determines the location of the...
US-5,365,508 Magneto-optical read/write device
A magneto-optical read/write device having a radiation detection system which includes two radiation-sensitive detectors the outputs of which are connected via...
US-5,365,507 Light-amount control device for an optical-disk recording-reproduction apparatus
The first control data generating circuit continuously controls the output light-amount of a light source with respect to an optical disk that has not been...
US-5,365,506 Laser disk player
A laser disk player which can sequentially perform the loading and chucking operations of a disk tray and the tilting operation of an optical apparatus by...
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