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| Patent # | Description |
|---|---|
| US-4,893,304 |
Broadband packet switch with combined queuing A novel packet switch architecture is disclosed. The packet switch utilizes internal queuing (i.e. recirculation loops) and output queuing (i.e. multiple paths... |
| US-4,893,303 |
Method and apparatus for parallel computation A method of parallel computation capable of processing information with an improved processing efficiency is disclosed. The method utilizes the message transfer... |
| US-4,893,302 |
Arrangement for switching concentrated telecommunications packet traffic A high capacity metropolitan area network (MAN) is described. Data traffic from users is connected to data concentrators at the edge of the network, and is... |
| US-4,893,301 |
Automatic call distribution (ACD) switching system having distributed
processing capability An automatic call distribution (ACD) switching system having a plurality of agent/trunk interface circuits for selectively connecting a plurality of telephone... |
| US-4,893,300 |
Technique for reducing distortion characteristics in fiber-optic links The present invention relates to a technique for suppressing intermodulation products introduced by nonlinearities of a laser in a multicarrier Freqeuncy... |
| US-4,893,299 |
Magneto-optic data storage technique An optical data storage medium is disclosed for use in an optical read/write system using an optical read wavelength of W, the medium including a textured region... |
| US-4,893,298 |
Record-carrier body provided with a relief structure of optically
detectable servo-track portions and sector... An optical record carrier body having a planar substrate with elongated generally parallel servo tracks thereon separated by lands extending there-between, the... |
| US-4,893,297 |
Disc-shaped member A transparent record disc is provided which may appropriately have video signals optically recorded thereon, the record is composed of a lamination, for example,... |
| US-4,893,296 |
Optical pickup device An optical pickup device having a semiconductor laser element mounted on a substrate, a photo detector formed on the substrate to receive a laser beam emitted... |
| US-4,893,295 |
Front loading disk player A front loading disc player is disclosed which comprises a housing, a play mechanism including a turntable, a carrier for carrying a disc to be played, and a... |
| US-4,893,294 |
Disk player and disk playing method in which tracking miss tolerance is
adjusted A tracking miss control system for a disk player can be used in which small track misses purposely are not detected. The allowable range of the returning... |
| US-4,893,293 |
Method for operating multidisk player A method for operating a disk player in which playing can be continued, even if the selected disk cannot be played for one reason or the other and in with which... |
| US-4,893,292 |
Electronic watch movement comprising time display means having indicator
hands The movement comprises a bottom-plate (1), a gear-train bridge (2), a center gear (14), an hour wheel (24) and a cell (25). The center gear (14) has a shaft (15)... |
| US-4,893,291 |
Devices for aiding resynchronization of body clocks A device for aiding resynchronization of a personal body clock of a traveller, said device comprising a first data series representing the personal body time of... |
| US-4,893,290 |
Three-axis sensor A transducer assembly for use along the surface of the earth or in a borehole to detect seismic signals along mutually orthogonal axes. The transducer assembly... |
| US-4,893,289 |
Production of directionally limited acoustic power spectra Apparatus 10 (FIG. 1(a)) for providing acoustic power spectra, all defined over a frequency band from signals received in a predetermined time interval, for... |
| US-4,893,288 |
Audible antenna alignment apparatus An arrangement for aligning an antenna by determining an extreme value maximum or minimum of a predetermined physical dimension which is dependent on the... |
| US-4,893,287 |
Velocity reference system A velocity reference system uses a Doppler shift between transmitted and received wave energy to determine the relative speed between the system and a surface or... |
| US-4,893,286 |
System and method for preprocessing and transmitting echo waveform
information In the field of the echography, the present invention is a system and method of preprocessing and transmitting information (such as echo waveform information)... |
| US-4,893,285 |
Method and apparatus for cement bond tool In accordance with principles of the present invention methods and apparatus are provided for evaluating the quality of the cement bond in cased boreholes.... |
| US-4,893,284 |
Calibration of phased array ultrasound probe The dynamic range of ultrasound images is extended by providing compensation of errors inherent in the manufacturing process of medical ultrasound phased array... |
| US-4,893,283 |
Echo ultrasound system with an improved image sequence rate An echo ultrasound imaging system comprising at least one array of elementary transducers, and further comprising an emission stage and a stage for the reception... |
| US-4,893,282 |
Semiconductor memory device In a semiconductor memory device in accordance with the present invention, a plurality of address signals (A.sub.1 to A.sub.N) are applied to address transition... |
| US-4,893,281 |
Semiconductor memory system with programmable address decoder A semiconductor memory system using address signals each consisting of a first predetermined number of logic bits, comprising a memory array having a number of... |
| US-4,893,280 |
Dual port random access memory having variably customized organization
of memory bit units A dual port random access memory assembly having a custom tailored variable organization comprising a memory array or core (matrix) having, besides a pin for the... |
| US-4,893,279 |
Storage arrangement having a pair of RAM memories selectively
configurable for dual-access and two... A storage device capable of being configured either as a single-access memory or as two separate memories is described. The storage device is especially suited... |
| US-4,893,278 |
Semiconductor memory device including precharge/equalization circuitry
for the complementary data lines The semiconductor memory has a memory array comprising word lines, complementary data lines orthogonal to the word lines, and static memory cells disposed at... |
| US-4,893,277 |
Semiconductor memory A dynamic RAM is arranged such that a common data line in each of the non-selected ones of the divided memory arrays is connected to a pair of common source... |
| US-4,893,276 |
Output circuit of a static random access memory circuit An output circuit of a static random access memory is designed to set the output voltage of the data output circuit to an intermediate voltage by detecting the... |
| US-4,893,275 |
High voltage switching circuit in a nonvolatile memory A nonvolatile semiconductor memory device includes a power voltage select circuit that is comprised of first and second power source nodes, an output node, first... |
| US-4,893,274 |
Semiconductor memory device having level converters A semiconductor memory device including a plurality of level converters, each of the level converters including a bridge circuit constituted by four MOS... |
| US-4,893,273 |
Semiconductor memory device for storing image data A first insulating film of a light-transmitting material is formed on a channel region between the source and drain regions on a semiconductor substrate. A... |
| US-4,893,272 |
Ferroelectric retention method Polarization retention of a ferroelectric material in a memory cell is improved by open circuiting the write pulse. The depolarizing field is reduced by allowing... |
| US-4,893,271 |
Synthesized clock microcomputer with power saving A microcomputer having predetermined clock pulse frequency requirements receives pulses from a multiplying type frequency synthesizer which utilizes a reference... |
| US-4,893,270 |
Medical information system A medical information system (1) for use in a hospital environment. The system comprises clinic and department computer terminals (1000) of the hospital... |
| US-4,893,269 |
Adder cell for carry-save arithmetic An adder cell in which the sum signal and the carry signal are formed with equal speed is provided for employment in "carry-save" adders, wherein the sum signal... |
| US-4,893,268 |
Circuit and method for accumulating partial products of a single, double
or mixed precision multiplication A circuit for use in conjunction with a multiplier receives a portion of completed product bits and a portion of sum and carry bits which, when accumulated,... |
| US-4,893,267 |
Method and apparatus for a data processor to support multi-mode,
multi-precision integer arithmetic In a data processor having an integer arithmetic unit, the carry-in control logic, carry-out control logic, and the overflow control logic of the arithmetic unit... |
| US-4,893,266 |
Alias tagging time domain to frequency domain signal converter A signal converter which inputs a time domain signal having a relatively large bandwidth and which outputs a frequency domain signal is disclosed. The time... |
| US-4,893,265 |
Rate conversion digital filter A finite impulse response digital filter includes a first selector for alternately selecting samples of first and second data streams at intervals T, a second... |
| US-4,893,264 |
Digital decimation filter A digital decimation filter which includes a multiplexer which receives signal values x.sub.i at a sampling rate of 1/T and where output signals which have half... |
| US-4,893,263 |
Support apparatus for portable computer expansion unit A support apparatus for a portable personal computer expansion unit provides a plurality of interlocking ribs on the mating surfaces of the portable personal... |
| US-4,893,262 |
Weigh feeding system with self-tuning stochastic control A weigh feeding system using a stochastic controller wherein the weight of material is sensed, and an estimate of the mass flow state of the material being... |
| US-4,893,261 |
Apparatus and method for determining airspeed and direction Aircraft speed and direction are determined by sampling the sinusoid-like pressure variations at the end of a rotor and performing a Fourier analysis on the... |
| US-4,893,260 |
Three-dimensional geometry processing method and apparatus therefor Three dimensional solid geometry in an analysis domain is divided into primitives which are three dimensional solid geometry elements such as a parallelepiped,... |
| US-4,893,259 |
Standardization of spectral lines A method and apparatus for standardizing spectral line intensities in a spectral monochromator separate an input beam into a sample spectral line characteristic... |
| US-4,893,258 |
Data processing apparatus having enlargement/reduction functions capable
of setting different magnification in... A data processing apparatus has a function capable of setting different vertical and horizontal magnifications. Data corresponding to an image input by a scanner... |
| US-4,893,257 |
Multidirectional scan and print capability A character generator with multidirectional scan and variable line and character (or symbol) size capability is disclosed. Universality is implemented by... |
| US-4,893,256 |
Interactive video composition and presentation systems A method for specifying and executing independent, multi-media tasks along a synchronizing time-line, preferably in the form of a spreadsheet matrix with the... |
| US-4,893,255 |
Spike transmission for neural networks Pulse trains are utilized for the transmission of information in a neural network. A squash function is achieved by logically OR'ing together pulsed outputs,... |
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