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6525results about How to "Fast operation" patented technology
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Parallel operational processing device
InactiveUS20070180006A1Easy to operateReduce power consumptionEnergy efficient ICTDigital data processing detailsAudio power amplifierParallel computing
In a parallel operational processing device having an operational processing unit arranged between memory blocks each having a plurality of memory cells arranged in rows and columns, the respective columns of each memory block are alternately connected to the operational processing units on the opposite sides of the memory block. By selecting one word line in one memory block, data can be transferred to two operational processing units. The number of the word lines selected per one operational processing unit is reduced, and power consumption is reduced. The bit operation units and sense amplifiers / write drivers of the operational processing units have arrangement pitch conditions mitigated and are reduced in number, and an isolation region between the memory blocks is not required and the layout area is reduced. Thus, the parallel operational processing device with a layout area and the power consumption reduced, can achieve a fast operation.
Owner:RENESAS ELECTRONICS CORP
Magnetically stabilized forward observation platform
ActiveUS8275544B1Improved rapid initializationImprove operationDigital computer detailsNavigation by speed/acceleration measurementsMagnetic stabilizationGps receiver
A system and method for determining a position of a remote object comprising inertial sensors and three axis magnetic sensor, together with a target sighting device aligned with the observation platform to determine a target line of sight and a target range finder to determine a distance to the target along the line of sight. A GPS receiver may be included for determining an observation platform position and orientation, The three axis magnetic sensor provides both magnetic north and vertical attitude information for improved rapid initialization and operation in motion. Magnetic anomaly information is detected by comparing IMU and magnetic navigation information and by other methods. Target identification may be determined by a human operator and / or by computer. The system may be integrated with a weapon system to use weapon system sights. The system may be networked to provide target location and / or location error information to another identical unit or a command information system.
Owner:GENERAL ATOMICS
Method of determining voltage compensation for flash memory devices
ActiveUS7440333B2Better programmingEvenly distributedRead-only memoriesDigital storageParallel computingVoltage compensation
Owner:INFINEON TECH LLC +1
Column-store database architecture utilizing positional delta tree update system and methods
ActiveUS20100235335A1Minimize computationalFast operationDatabase updatingDigital data processing detailsDatabase machineTree (data structure)
A column-store database computer system responsive to database requests for the update and retrieval of data from within a stable data table providing for the storage of database tuples within a column-store organized database structure. A positional delta tree data structure is implemented in the memory space of the computer system and is operatively coupled in an update data transfer path between a database engine interface and the stable data table. The positional delta tree data structure includes a differential data storage layer operative to store differential update data values in positionally defined relative reference to database tuples stored by the stable data table.
Owner:ACTIAN CORP
Optical System and Method for Use in Projection Systems
InactiveUS20070273957A1Reduce physical sizeImprove and optimize projection systemSemiconductor laser optical deviceDiffraction gratingsLight beamProjection system
An optical system and method are presented to produce a desired illuminating light pattern. The system comprises a light source system configured and operable to produce structured light in the form of a plurality of spatially separated light beams; and a beam shaping arrangement. The beam shaping arrangement is configured as a diffractive optical unit configured and operable to carry out at least one of the following: (i) combining an array of the spatially separated light beams into a single light beam thereby significantly increasing intensity of the illuminating light; (ii) affecting intensity profile of the light beam to provide the illuminating light of a substantially rectangular uniform intensity profile.
Owner:EXPLAY
Cucumber picking robot system and picking method in greenhouse
The invention discloses a cucumber picking robot system in a greenhouse environment. The robot system comprises a binocular stereo vision system, a mechanical arm device and a robot mobile platform; the binocular stereo vision system is used for acquiring cucumber images, processing the images in real time and acquiring the position information of the acquired targets; the mechanical arm device is used for capturing and separating the acquired targets according to the position information of the acquired targets; and the robot mobile platform is used for independently moving in the greenhouse environment; wherein, the binocular stereo vision system comprises two black and white cameras, a dual-channel vision real-time processor, a lighting device and an optical filtering device; the mechanical arm device comprises an actuator, a motion control card and a joint actuator; and the robot mobile platform comprises a running mechanism, a motor actuator, a tripod head camera, a processor and a motion controller. The invention also discloses a cucumber picking method in the greenhouse environment. The method of combining machine vision and agricultural machinery is adopted to construct the cucumber picking robot system which is suitable for the greenhouse environment, thus realizing automatic robot navigation and automatic cucumber reaping, and reducing the human labor intensity.
Owner:SUZHOU AGRIBOT AUTOMATION TECH
Portable Data Storage Device Using a Memory Address Mapping Table
InactiveUS20080228995A1Reduce in quantityFast operationMemory architecture accessing/allocationCombination recordingMemory addressUSB
A portable data storage device includes a USB controller, a master control unit and a NAND flash memory device. The master control unit receives data to be written to logical addresses, and instructions to read data from logical addresses. It uses a memory address mapping table to associate the logical addresses with the physical addresses in the memory device, and writes data to or reads data from the physical address corresponding to the logical address. The mapping is changed at intervals, so that different ones of the physical address regions are associated at different times with the logical addresses. This increases the speed of the device, and also means that no physical addresses are rapidly worn out by being permanently associated with logical addresses to which data is written relatively often.
Owner:TREK TECH SINGAPORE PTE
Method and apparatus for managing and accessing depth data in a computer graphics system
A computer graphics system provides for processing image data including Z data for use in displaying three-dimensional images on a display unit. The system includes: a depth buffer providing for temporary storage of Z data; and a graphics processing unit having a graphics engine for generating image data including Z data, and a memory interface unit communicatively coupled to the graphics engine and communicatively coupled to the depth buffer via a depth buffer interface. The graphics processing unit is operative to compress at least a portion of the generated Z data, to write the compressed portion of Z data to the depth buffer via the depth buffer interface in a compressed format, to read portions of compressed Z data from the depth buffer via the depth buffer interface, and to decompress the compressed Z data read from the buffer. An advantage of the present invention is that effective Z data bandwidth through the depth buffer interface is maximized in order to facilitate fast depth buffer access operations.
Owner:NVIDIA CORP
Control method of electric four-wheel drive hybrid vehicle
The invention discloses a control method of an electric four-wheel drive hybrid vehicle. Under the conventional mode, the power allocation and the shift selection of the whole hybrid system in a finished vehicle controller can be determined according to the current vehicle speed, a throttle, an SOC (State Of Charge) and other signals, so that the total efficiency of the whole hybrid system is optimized rather than the efficiency of a single power source is optimized, thereby more effectively improving the economy of a finished vehicle of an E4WD hybrid vehicle and further achieving the aim of improving the economy of the vehicle fuel. In the concrete implementation process, the power allocation and the shift selection are realized by checking up VP, the power which can be actually provided by a battery and an engine in the running process of the vehicle is considered, the calculation speed of a hybrid control unit (HCU) is improved and the practicability of the control method is enhanced.
Owner:GUANGZHOU AUTOMOBILE GROUP CO LTD
Vertical channel memory and manufacturing method thereof and operating method using the same
ActiveUS20080087942A1Increase currentSmall dimensionSolid-state devicesRead-only memoriesEngineeringVertical channel
A vertical channel memory including a substrate, a channel, a multi-layer structure, a gate, a first terminal and a second terminal is provided. The channel is protruded from the substrate and has a top surface and two vertical surfaces. The multi-layer structure is disposed on the two vertical surfaces of the channel. The gate straddling multi-layer structure is positioned above the two vertical surfaces of the channel. The first terminal and the second terminal are respectively positioned at two sides of the channel opposing to the gate.
Owner:MACRONIX INT CO LTD
Automotive anti-collision radar multi-target detecting method and system
InactiveCN103257346AResolve echoResolve interferenceRadio wave reradiation/reflectionFrequency spectrumIntermediate frequency
Owner:GUILIN UNIV OF ELECTRONIC TECH
Vehicle license plate recognition method based on video
InactiveCN104050450AReduce sizeLow costCharacter and pattern recognitionFeature vectorTemplate matching
The invention provides a vehicle license plate recognition method based on a video. According to the vehicle license plate recognition method based on the video, moving vehicles are detected and separated out with the vehicle video which is obtained through actual photographing by means of a camera serving as input, the accurate position of a vehicle license plate area is determined by conducting vertical edge extraction on a target vehicle image obtained after pre-processing, a vehicle license plate image is separated out, color correction, binaryzation and inclination correction are conducted on a vehicle license plate image, each character in the positioned vehicle license plate area is separated to serve as an independent character, feature extraction is conducted one each character, obtained feature vectors are classified through a classifier which is well trained in advance, a classification result serves as a preliminary recognition result, secondary recognition is conducted on the stained vehicle license plate characters according to a template matching algorithm imitating the visual characteristics of human eyes, and then a final vehicle license plate recognition result is obtained. The vehicle license plate recognition method based on the video has the advantages that hardware cost is reduced, the management efficiency of an intelligent transportation system is improved, the anti-jamming performance and the robustness are high, the recognition efficiency is high, and the recognition speed is high.
Owner:XIAN TONGRUI NEW MATERIAL DEV
Differential vector storage for non-volatile memory
ActiveUS20130013870A1Improve reliabilityFaster write operationError detection/correctionDigital storageSources of errorVolatile memory
A method is disclosed for storing information on non-volatile memory which can rewrite memory cells multiple times before a block needs to be erased. The information to be stored is transformed into a suitable form which has better robustness properties with respect to common sources of error, such as leakage of charge, or imperfect read / write units.
Owner:KANDOU LABS
Traffic sign recognition method based on asymmetric convolution neural network
InactiveCN104850845ASimple structureFast operationCharacter and pattern recognitionTraffic sign recognitionNetwork structure
The invention, which belongs to the field of intelligent traffic sign recognition technology, relates to a traffic sign recognition method based on an asymmetric convolution neural network. With the method, problems of slow recognition speed and poor robustness during traffic sign recognition can be solved. According to the method, two convolution neural networks with different structures are used for carrying out feature mapping and extraction concurrently; the features are combined; and a full connection layer and a classifier are used for completing the whole classification process. The two convolution neural networks with different structures employ a random pooling operation and a maxout unit respectively, thereby guaranteeing diversity of the image features, improving the recognition precision, and accelerating the network operation speed. According to the invention, the structure of the traditional convolution neural network is modified and the two convolution neural networks with different structures are used for replacing the traditional convolution neural network structure. Therefore, the image feature diversity is guaranteed; the recognition precision is improved; and the network operation speed is accelerated.
Owner:DALIAN UNIV OF TECH
Shift register circuit and image display apparatus containing the same
ActiveUS20070195053A1Fast operation of shiftFast operationStatic indicating devicesDigital storageShift registerEngineering
A shift register circuit comprises a first transistor between a gate line output terminal and a clock terminal, a second transistor between the gate line output terminal and a first power supply terminal, a third transistor between a carry signal output terminal and the clock terminal and a fourth transistor between the carry signal output terminal and the first power supply terminal. Gates of the second and fourth transistors are connected to each other. A fifth transistor connected between a gate of the first transistor and a second power supply terminal and a sixth transistor connected between a gate of the third transistor and the second power supply terminal have gates both of which are connected to an input terminal. With this constitution, it is possible to suppress an influence between two synchronous output signals outputted from the shift register circuit.
Owner:TRIVALE TECH
Video-based detection and recognition system and method of vehicles
InactiveCN102637257AImprove detection accuracyHigh precisionRoad vehicles traffic controlCharacter and pattern recognitionVehicle detectionRecognition system
The invention discloses a video-based detection and recognition system and a method of vehicles. The system comprises a target characteristic database module, a moving target detection module and a vehicle recognition module. A vehicle sample target characteristic database is built to store data by virtue of the target characteristic database module. After a moving target zone is detected by the moving target detection module, the vehicle recognition module builds a search window and recognizes vehicles. The system and the method resolve the technical problems of poor vehicle distinguishing capability and low distinguishing accuracy of the video-based vehicle detection under the condition of obvious background movement, vehicle adhesion, vehicle occlusion and the like in the prior art. The video-based detection and recognition system and the method of the vehicles have the advantages of excellent vehicle distinguishing capability and high accuracy.
Owner:北京尚易德科技有限公司
Optical system and method for use in projection systems
InactiveUS8009358B2Low costImprove system performanceSemiconductor laser optical deviceDiffraction gratingsLight beamProjection system
An optical system and method are presented to produce a desired illuminating light pattern. The system comprises a light source system configured and operable to produce structured light in the form of a plurality of spatially separated light beams; and a beam shaping arrangement. The beam shaping arrangement is configured as a diffractive optical unit configured and operable to carry out at least one of the following: (i) combining an array of the spatially separated light beams into a single light beam thereby significantly increasing intensity of the illuminating light; (ii) affecting intensity profile of the light beam to provide the illuminating light of a substantially rectangular uniform intensity profile.
Owner:EXPLAY
Detection method for vehicle license plate real-time positioning character segmentation
InactiveCN101789080AColor requirements are not highDoes not occupy memory resourcesCharacter and pattern recognitionVideo monitoringSignal-to-noise ratio (imaging)
The invention relates to a detection method for vehicle license plate real-time positioning character segmentation in the technical field of video monitoring, which comprises the following steps of: obtaining a video frame from image acquisition equipment; carrying out image preprocessing; increasing a signal-to-noise ratio; carrying out grey scale transformation; computing a threshold value by adopting an Otsu binarization method and converting a vehicle image into a binary image; firstly carrying out closed operation by using a structural element with the size of length pixels, separating a communicated region at a fine position and smoothing burrs appearing on the edge of the region; carrying out contour detection; and carrying out license plate region accurate positioning: accurately segmenting out each character. The invention has lower requirements for image color, a large amount of system memory resources of a computer can not occupied, the operational speed is quickened after an input image is converted into a grey-scale image, the accurate position of each character can be rapidly found, and each character is segmented out by applying an image shearing method.
Owner:SHANGHAI JIAO TONG UNIV
Pipeline accessing method to a large block memory
ActiveUS7076598B2Reduce frequencyReduce busy timeMemory architecture accessing/allocationMemory adressing/allocation/relocationAccess methodPage buffers
A pipeline accessing method to a large block memory is described. The large block flash memory has a plurality of pages and each page has a plurality of sectors. The memory device has a controller to control an access operation between a host and a cell array of the large block flash memory with a page buffer. The controller includes at least two buffers, when the host intends to program the memory device. In the method, data sectors are transferred between the host and the large block flash memory by alternatively using the buffers. After transferring N data sectors with respect to one page, a start program command is issued by the controller for programming the data.
Owner:SOLID STATE SYST
Descriptor management systems and methods for transferring data between a host and a peripheral
ActiveUS6963946B1Fast I/O write operationMitigate excessive cache partial cache line writesMultiple digital computer combinationsMemory systemsDescriptor systemsMaster processor
An improved descriptor system is provided in which read pointers indicate to a host and a peripheral the next location to read from a queue of descriptors, and write pointers indicate the next location to be written in a queue. The system also allows an incoming descriptor to point to a plurality of data frames for transfer to the host processor, wherein the peripheral need not read a new descriptor each time a frame is to be transferred to the host.
Owner:ADVANCED MICRO DEVICES INC
Circuit for concurrent read operation and method therefor
ActiveUS8315079B2Total current dropReduce power consumptionDigital storageComputer scienceNon-volatile memory
A non-volatile memory device includes an array of memory units, each having resistive memory cells and a local word line. Each memory cell has a first and a second end, the second ends are coupled to the local word line of the corresponding memory unit. Bit lines are provided, each coupled to the first end of each resistive memory cell. A plurality of select transistors is provided, each associated with one memory unit and having a drain terminal coupled to the local word line of the associated memory unit. First and second global word lines are provided, each coupled to a control terminal of at least one select transistor. First and second source lines are provided, each coupled to a source terminal of at least one select transistor. The memory device is configured to concurrently read out all resistive memory cells in one selected memory unit in a read operation.
Owner:CROSSBAR INC
Method for eliminating linear regular noise and multiple wave disturbance in self-adapting mode
InactiveCN101598809AEliminate interference wavesDoes not harm frequency componentsSeismic signal processingGraphicsData set
The invention relates to a method for eliminating linear regular noise of seismic prospecting and multiple wave disturbance in a self-adapting mode, aiming to provide seismic figures with high resolution for the exploration of oil fields. The method comprises the following steps: transforming seismic data sets in a field according to regular disturbance linear event virtual inclination; subtracting a seismic trace and a noise model trace to obtain a current signal value; determining the receiving probability of the noise by utilizing a probability density function and a threshold value; subtracting the separated noise from an original record to eliminate a regular interference wave; carrying out linear inverse transform on the seismic data to obtain a data set; carrying out linear inverse transform on the record with the regular interference wave being eliminated to obtain a seismic record; and carrying out separate frequency processing and noise suppressing processing. The invention dose not damage the frequency components of effective waves and has the advantages of fast operation speed, good effect for suppressing noise, suitability for pre-stack seismic data and post-stack seismic data, and the like.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1
Holographic Projection System Using Micro-Mirrors for Light Modulation
InactiveUS20100014136A1Solve the lack of resolutionSolve the lack of brightnessActive addressable light modulatorOptical elementsSpatial light modulatorProjection system
The invention relates to a holographic projection system wherein light modulator means SLM with electromechanically moved micro-mirrors modulate a light wave front LWmod. According to the invention, a hologram processor HP sets micro-mirror surfaces of prior art spatial light modulator which are disposed as controllable diffraction gratings on a substrate of a control circuit, such that they reach a certain diffraction grating amplitude, by moving them continuously at right angles to the substrate, said diffraction grating amplitude being dependent on the content of a sequence of video holograms. The diffraction grating modulate a light wave which is emitted by the light modulator means and which generates illumination capable of generating interference according to a phase hologram, so that the modulated light wave is used directly for the holographic reconstruction.
Owner:SEEREAL TECHNOLOGIES
Semiconductor device, refresh control method thereof and computer system
InactiveUS20110225355A1Promote quick completionGrowth inhibitionDigital storageMemory systemsBit lineProcessor register
A semiconductor device comprises a first memory cell array, a register storing information of whether or not one of the word lines in an active state exists in a unit area and storing address information, and a control circuit controlling a refresh operation for a refresh word line based on the information in the register when receiving a refresh request. When the one of the word lines in an active state does not exist, memory cells connected to the refresh word line are refreshed. When the one of the word lines in an active state exists, the one of the word lines in an active state is set into an inactive state temporarily and the memory cells connected to the refresh word line are refreshed after precharging bit lines of the memory cells.
Owner:PS4 LUXCO SARL
Fault arc detection method and protection device adopting same
ActiveCN101696986AFast operationExpand the scope of protectionCurrent/voltage measurementEmergency protective arrangements for automatic disconnectionEmbedded systemElectrical current
The invention discloses a fault arc detection method which comprises the following steps of: sampling a current signal to acquire a sampling signal, then separating a high-frequency part from the sampling signal, identifying electric arcs by detecting the energy mutation of the high-frequency part and recording the appearance frequency of the electric arcs, and finally identifying a fault arc by detecting the frequency of the electric arcs. By utilizing the characteristic that the fault arc waveform contains high-frequency disturbance as a judgment condition for identify the electric arcs, the method effectively detects the alterative-current resistant load and the direct-current fault arc. The invention also discloses a protection device adopting the method, which can effectively recognize various fault arcs and takes corresponding protection measures.
Owner:JIANGSU KAILONG ELECTRONICS
Time-resolved extreme-low-light multispectral imaging system and method
ActiveCN102393248AResolve time resolutionSolve the time resolution by using single photon counter line arraySpectrum investigationPhysicsHyperspectral imaging
The invention provides a time-resolved extreme-low-light multispectral imaging system and method and belongs to the field of extreme-low-light multispectral imaging, wherein the system is triggered through a trigger to ensure the time-resolved property, and the multispectral high-resolution two-dimensional color imaging for extreme-low-light objects is realized by combining a triggering technology of the trigger, the compressive sensing theory, a DLP (digital light processing) technology, a spectrum-dividing technology, an optical fiber coupling technology and a photon counter linear array detection technology; the system is composed of an extreme-low-light light source or self-luminous organisms, the trigger, an optical filter, an optical imaging system, a DMD (digital mirror device) micromirror array, an optical focussing and collecting system, a spectrophotometer, a photo counter lineary array consisting of a plurality of photon counters with different wavelengths, a driving control module and an optimization algorithm module; the sensitivity of the system can reach the level of a photon, and can be widely applied to the fields of self-luminous organism detection, medical treatment imaging, data acquisition, communication, astronomy, military, hyperspectral imaging, measurement in quantum mechanics and the like.
Owner:NAT SPACE SCI CENT CAS
Self-adaptive context binary arithmetic encoder and encoding method
ActiveCN101076114ASimple interfaceFast operationPulse modulation television signal transmissionDigital video signal modificationSelf adaptiveProgramming language
The encode thereof at least comprises: an arithmetic coding control module, an encoding instruction queue module, a context management and maintenances module, an encoding engine module and an outputted bits packaging module. The invention also reveals a context self-adaptive arithmetic encoding method which comprises: processing the external command, syntactic element and adjacent block information to generate an output bit-stream.
Owner:SHANGHAI FULLHAN MICROELECTRONICS
Control system for distributed power generation, conversion, and storage system
InactiveUS20060017328A1Rapid and reliable start-upReduce needBatteries circuit arrangementsElectric powerVoltage vectorDistributed power generation
A distributed power generating system enables very rapid and reliable start-up of an engine used to generate back-up power, thereby substantially reducing the need for stored power. More particularly, the distributed power generating system comprises a power bus electrically coupled to commercial power and to a load, an engine comprising a rotatable shaft, a starter / generator operatively coupled to the shaft of the engine and electrically coupled to the power bus, and a temporary storage device electrically coupled to the power bus. The distributed power generating system further comprises a control system adapted to detect a failure of the commercial power and cause the starter / generator to start the engine from a standstill condition. The control system provides the starter / generator with an initial voltage vector selected to rapidly bring the engine to an operational speed sustainable by the engine alone. The temporary storage device supplies electrical power to the power bus for delivery to the load and for powering the starter / generator until the engine reaches the operational speed, whereupon the control system causes the starter / generator to take over supply of electrical power to the power bus for delivery to the load. The control system starts the engine upon detection of a voltage on the power bus below a predetermined lower limit. After the engine has started, the control system monitors speed of the engine to determine whether the operational speed is reached. The control system terminates operation of the engine upon detection of a voltage on the power bus above a predetermined upper limit.
Owner:BRYDE JAN HENRIK
Automotive anti-collision radar system with two receiving antennas and operating method
ActiveCN103913742AProcessing speedImprove multi-target judgment abilityRadio wave reradiation/reflectionEcho signalData processing
Owner:GUILIN UNIV OF ELECTRONIC TECH
Indexable milling insert
InactiveUS7021871B2Precise positioningReduce energy consumptionTransportation and packagingMilling cuttersRidgeSwarf
The invention relates to an indexable milling insert (3) having a polygonal basic shape, comprising four peripheral sides, which meet each other in pairs in one the one hand two acute corners (15), and on the other hand two obtuse corners (16). Between chip surfaces (17) on the top side of the insert and flank surfaces (18) along the peripheral sides, cutting edges (19) are formed, which individually comprise on the hand a major edge portion (20), and, on the other hand, a rounded minor edge portion (21), formed in connection with an acute corner (15). Characteristic of the invention is the combination that the individual major edge portion (20) is slightly arched and that at least one connecting surface (4) is formed in the bottom side of the insert, of the type that comprises a plurality of parallel ridges spaced-apart by grooves having a cross-section-wise tapering shape and which are intended to co-operate with an analogous connecting surface adjacent to a chip channel in a cutting-insert-carrying milling head.
Owner:SANDVIK INTELLECTUAL PROPERTY AB
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