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503 results about "Area change" patented technology
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The Sudden Area Change (TL) block models the minor pressure losses due to a sudden change in flow cross-sectional area. The area change is a contraction from port A to port B and an expansion from port B to port A. This component is adiabatic. It does not exchange heat with its surroundings.
Remote operation system, communication apparatus remote control system and document inspection apparatus
Owner:PANASONIC CORP
Autofocus system
InactiveUS20050264679A1Appropriate image qualityEfficient automatic detectionTelevision system detailsColor television detailsAutofocusTime signal
The autofocus system of the present invention is characterized by comprising a target subject specifying device which specifies a target subject to be put into focus, a tracking image pickup device which captures a subject image in the shooting range of the camera, and is provided in addition to an image pickup device of the camera which captures a subject image to be recorded or regenerated, a target subject movement detection device which detects a movement in the shooting range of the target subject specified by the target subject specifying device according to an image signal of a subject image captured by the tracking image pickup device, and an AF area change device which changes a range of the AF area such that the movement of the target subject detected by the target subject movement detection device is tracked.
Owner:FUJI PHOTO OPTICAL CO LTD
Downhole tool for achieving efficient rock breaking through spin vibration
InactiveCN105239929AQuality improvementImprove high temperature resistanceBorehole drivesVibration drillingDrive shaftSpins
The invention relates to a downhole tool for achieving efficient rock breaking through spin vibration, and belongs to the technical fields of petroleum and natural gas exploitation and drilling tools. According to the technical scheme, drilling fluid drives a turbine to rotate, a turbine rotor drives a transmission shaft to rotate to drive a disc valve set to periodically rotate, the open area changes, a periodic pressure pulse is generated to act on a vibration nipple to generate reciprocating vibration, the friction resistance between a drilling column and the well wall is effectively improved, and mechanical drilling speed is increased; the lower end of a tooth-shaped impact hammer head is provided with a tooth-shaped curved surface which is meshed with a tooth-shaped curved surface of a lower-end transmission connector, and the lower-end transmission connector is driven by a transmission shaft to generate rotating motion, so that the tooth-shaped impact hammer head is driven to rotate to generate axial reciprocating impact on the lower-end transmission connector under the joint action of the tooth-shaped impact hammer head and a force accumulating spring. According to the downhole tool, the structure is simple, the friction resistance is small, effective bit pressure and effective vibration are increased, the mechanical rotating speed is increased, and the cost is reduced.
Owner:SOUTHWEST PETROLEUM UNIV
Image capturing apparatus and image capturing method
ActiveUS20090096879A1Improve convenienceExpansion of user baseTelevision system detailsPrintersMotion vectorStationary object
To provide an image capturing apparatus that detects a camera movement accurately and corrects image blurring appropriately. An image capturing apparatus (200) includes: an image sensor unit (103) that captures and outputs an input image (105); an output unit (121) that outputs an image of a framing area (160) of the input image (105); a motion vector calculation unit (106) and a stationary object detection unit (201) that detect motion vectors in an outer-frame area (161) of the input image (105) and derive detection accuracy; an outer-frame area adjustment unit (205) that adjusts the outer-frame area (161) in size so that the detection accuracy meets an outer-frame area change threshold (tr); and a camera movement calculation unit (113) and a framing area modification unit (115) that move the framing area (160) according to motion vectors in the adjusted outer-frame area (161), irrespective of motion vectors in the other area.
Owner:PANASONIC INTELLECTUAL PROPERTY CORP OF AMERICA
Method and system for realizing small area changing
ActiveCN101052216AReduce overheadNo waste of bandwidth resourcesNetwork traffic/resource managementAssess restrictionResidenceComputer network
The method comprises: respectively determining the bandwidth information of user's terminal and the bandwidth information of cell, and according the bandwidth information of user's terminal and the bandwidth information of cell, setting the bandwidth influence parameters for the user's terminal, and adjusting the sequence of cell; selecting a cell. The invention can make the UE capable of selecting a suitable residence cell according to the bandwidth required by service.
Owner:HUAWEI TECH CO LTD
Method for identifying and detecting fire flame in big space
InactiveCN101515326AEliminate limitationsImprove universalityImage analysisCharacter and pattern recognitionPattern recognitionFlame detection
The invention discloses a method for identifying and detecting the fire flame in a big space, including: pretreating the input video streams, performing movement detection for the video streams to obtain the movement pixel, performing color detection for the video streams to obtain the pixel with the flame characteristic color, performing frequency domain analysis for all the pixels according with the movement detection and the color detection flame characteristic, searching the communicating areas formed by mutually connecting the pixels according with the same characteristic, calculating the circumferences and the areas of the obtained communicating areas to perform the shape analysis, performing the area change variable analysis for each communicating area, at last judging whether the fire happens. In the method, the real flame in the big space is distinguished from the flashy car light, so that the device is not only for the flame detection in the tunnel, but also used in the big-space fire flame detecting sites such as a gymnasium, a museum, a warehouse and the like.
Owner:ZHEJIANG UNIV
The Method and Apparatus for Updating Tracking Area in Wireless Communication System Including Mobile Relay Node
A method for updating a tracking area in a wireless communication system is provided. The method may be performed between a mobile relay node and a user equipment. The mobile relay node transmits a tracking area change message to a user equipment (UE) on the mobile relay node, receives a tracking area change response message from the UE as a response to the tracking area change message, transmits a tracking area update (TAU) request message to a donor evolved NodeB (DeNB), receives a TAU accept message from a mobility management entity (MME), and transmits a TAU complete message to the UE.
Owner:LG ELECTRONICS INC
Particulate accumulation amount estimating system
ActiveUS20070006577A1Accurate estimateReduce the effective areaElectrical controlInternal combustion piston enginesParticulatesEngineering
Owner:NISSAN MOTOR CO LTD
Sitting posture identification method and smart seat
ActiveCN108814616AAccurate recognition of sitting postureDiagnostic recording/measuringSensorsEngineeringArea change
The embodiment of the invention relates to the field of smart home, in particular to a sitting posture identification method and a smart seat. The sitting posture identification method is applied to the smart seat. The smart seat comprises a backrest and a seat cushion and is provided with multiple pressure sensors. The method comprises the steps that pressure applied to the pressure sensors by auser is collected; the valid pressure sensors are positioned from the pressure sensors; according to the valid pressure sensors, valid areas are determined; the area and pressure of the valid areas are acquired, and according to the area change and pressure change of the valid areas, a sitting posture of the user is identified. In this way, according to the sitting posture identification method and the smart seat, the sitting posture of the user can be precisely identified, and the user is reminded to correct the sitting posture according to the sitting posture problem of the user.
Owner:SHENZHEN H&T DATA RESOURCES & CLOUD TECH LTD
Image stabilizer, and image shake correction method for imaging device
InactiveUS20070097219A1Reliable calibrationExtended range of motionTelevision system detailsColor television detailsOptical axisImage stabilization
An image stabilizer includes an imaging device including an object coverage area changing device for changing an object coverage area, and an image sensor; an image shake correction device which moves a shake correction optical element of the imaging optical system in a plane orthogonal to an optical axis in accordance with a direction and magnitude of vibration applied to the image sensor; a memory, in which area data is prestored, the area data designating changes in relative sizes between an image circle of the imaging optical system and an effective picture area of an imaging surface of the image sensor; and a moving range controller which changes a moving range of the shake correction optical element that corresponds to a change of the object coverage area in accordance with an operating state of the object coverage area changing device based on the area data.
Owner:HOYA CORP
Vehicle detection apparatus, vehicle detection program and light control apparatus
ActiveUS20100091513A1Illumination range is limitedAccurate detectionLighting support devicesDigital data processing detailsVehicle detectionArea change
A vehicle detection apparatus detects oncoming vehicles, and the illumination angle of the headlight is changed downwardly when oncoming vehicles are detected. When detecting the oncoming vehicles, the vehicle detection apparatus detects brightness or area for the every light source in an acquired image repeatedly, and detects as a variable light source any light source of which brightness or area changes within a reference time beyond a predetermined variation reference value. Then, when a variable light source is detected, it is determined that vehicles exist in the acquired image.
Owner:DENSO CORP
Sliding friction generator, power generation method and vector displacement sensor
ActiveCN104253561ASimple structureExtended service lifeConverting sensor output electrically/magneticallyFriction generatorsElectricityElectric signal
The invention provides a sliding friction generator and a power generation method. The generator comprises a friction layer and an electrode layer which is electrically connected to an equal potential, wherein when the upper surface of the electrode layer and the lower surface of the friction layer slide relatively under the action of external force, the friction area changes in a sliding process, so that an electric signal can be output between the electrode layer and the equal potential. Correspondingly, the invention further provides a vector displacement sensor applied to the sliding friction generator. The electrode layer consists of a plurality of sub-electrodes. When a moving object slides on the electrode layer, the position, the moving direction and the moving distance of the moving object can be detected according to the electric signal output between the sub-electrodes and the equal potential without providing any power supply for the sensor.
Owner:BEIJING INST OF NANOENERGY & NANOSYST
Video display apparatus, video composition delivery apparatus, and system
InactiveUS20060170763A1Multiplex system selection arrangementsSpecial service provision for substationRegion selectionComputer graphics (images)
There is provided with a video display apparatus comprising: a receiving unit configured to receive a composite video image generated from a plurality of video sources; a display unit configured to display the received composite video image; an area manager configured to store area information pieces; a position specification unit configured to specify a position on the composite video image; an area selection unit configured to select an area information piece from the area information pieces; an area display unit configured to provide information indicating the area represented by the selected area information piece to the display unit so as to superpose the information on the displayed composite video image; an area change unit configured to change the information; an area information update unit configured to update the selected area information piece; and a transmission unit configured to transmit an update control signal containing the area information piece after update.
Owner:KK TOSHIBA
Remote operation system, communication apparatus remote control system and document inspection apparatus
ActiveUS20050091607A1Digital computer detailsCathode-ray tube indicatorsOperational systemOperability
This invention is, in a remote operation apparatus which transmits information to a terminal device having a display part which displays received information, for the purpose of operability improvement on the occasion of inspecting structured documents such as Web pages, in a document inspection apparatus with a small screen size, equipped with an input part which inputs various instructions, a display part which displays various information, a communication processing part which obtains display information which is displayed on a display screen of the display part through a network, an area recognition processing part which extracts a size of a rectangular area which is included in a window which was obtained by the communication processing part and is displayed on the display part, and display information in the rectangular area, a storage part which stores size information of the display screen of the display part of the terminal device, an area change processing part which modifies a size of the rectangular area to a size of the display screen which was stored in the storage part, and obtains display information in the rectangular area, and control means which controls the communication processing part so as to transmit the display information which was modified by the area change processing part to the terminal device.
Owner:PANASONIC CORP
Fire-disaster monitoring device based omnibearing vision sensor
InactiveCN1979576ANo wearReduce false alarm rateFire alarm radiation actuationShape changeImaging processing
The invention is a fire monitoring method and device based on all- direction computer vision, mainly making field monitoring by all-direction computer vision sensor, inputting the taken continuous all-direction image into the computer for continuous image processing and analysis, and obtaining a synthetic result by simple fire mode classification, flame area change characteristic judgment, flame shape change characteristic judgment, flame color characteristic judgment, flame flickering rule characteristic judgment, whole flame motion characteristic judgment and fire intensity characteristic judgment, making different processings according to the calculation and synthetic judgment quantized values to reduce false alarm rate of fire. And the invention provides a truly original, quicker, accurater, more reliable multiparameter intelligent fire monitoring method and device.
Owner:ZHEJIANG UNIV OF TECH
Information processing apparatus and information processing method
ActiveUS20070268522A1Improve work efficiencyConvenience to workNatural language data processingVisual presentationInformation processingArea change
An information processing apparatus which performs variable printing processing to print by inserting different contents data into a variable area of document data for each predetermined unit, comprises a setting unit configured to set variable area information for defining at least a position and size of a variable area laid out in document data; and a creation unit configured to create output data in which the variable area containing the contents data is laid out in each document page in accordance with the variable area information, wherein the setting unit sets the variable area as a variable area common to document pages of a document, and when variable area information of the common variable area changes, sets the changed variable area information for the common variable area laid out in each document page of the document.
Owner:CANON KK
Model area change rate-based adaptive hierarchical processing method
InactiveCN106202687ASolve molding accuracySolve molding speedGeometric CADAdditive manufacturing apparatusRoundingLayer thickness
The invention discloses a model area change rate-based adaptive hierarchical processing method. The method comprises the following steps of importing an STL model and establishing a model topological structure; performing uniform hierarchical slicing on the model with the highest precision, obtaining a two-dimensional polygon contour layer and calculating an area of each layer of a polygon after slicing; performing derivation on the area of each layer of the polygon to obtain an area change rate of the model; comparing the calculated area change rate with a threshold according to a relationship between the area change rate of the model and the printing precision, and obtaining a printing precision distribution situation of the model in a printing direction; calculating hierarchical layer thickness data required for model printing, and performing processing by using a rounding-off method to generate adaptive hierarchical layer thickness data; and reading the hierarchical layer thickness data by a slicing engine, and performing adaptive layer thickness slicing on the model to obtain a gcode file required for printing. According to the method, while the detail characteristics of the model are ensured, the forming speed of the model is increased, and the printing time is effectively shortened.
Owner:HOHAI UNIV CHANGZHOU
Radial-flow heat-dissipating fan with increased inlet airflow
InactiveUS7134839B2Increasing inlet airflowIncrease wind pressurePropellersRotary propellersImpellerEngineering
A radial-flow heat-dissipating fan includes a casing and a cover mounted to a side of the casing. The casing includes a compartment and a side air outlet, and the cover includes an air inlet. A primary fan wheel is rotatably mounted in the compartment and the primary fan wheel includes a hub and a plurality of radial-flow blades surrounding the hub. An auxiliary fan wheel is mounted in the air inlet of the cover and includes a plurality of axial-flow blades. An airflow transition area is defined between a circumference of the hub of the primary fan wheel, the radial-flow blades, and the axial-flow blades. The axial-flow blades increase axial inlet airflow via the air inlet, with the airflow transition area changing a direction of the axial inlet airflow into centrifugal airflow that is outputted via the side air outlet by the radial-flow blades.
Owner:SUNONWEALTH ELECTRIC MACHINE IND
Exposure control apparatus for vehicle-mounted camera
ActiveUS20120162424A1Good followabilityTelevision system detailsCharacter and pattern recognitionMeasurement deviceExposure control
The exposure control apparatus is for performing exposure control for a camera mounted on a vehicle in accordance with brightness of a recognition area set in an image ahead of the vehicle taken by the camera. The exposure control apparatus includes a measuring means for measuring brightness of a photometric area showing a landscape more distant from the vehicle than a landscape shown by the recognition area in each of images successively taken by the camera, a detection means for detecting brightness variation with time of the photometric area based on measurement results by the measuring means for images taken by the camera at different times, and a control means configured to predict a timing at which the brightness of the recognition area changes based on the brightness variation with time of the photometric area, and perform exposure control of the camera at the predicted timing.
Owner:DENSO CORP
Multicast location management in a universal terrestrial radio access network
InactiveUS20030119533A1Save resourcesSpecial service provision for substationBroadcast service distributionTelecommunicationsArea network
A method and apparatus for keeping track of User equipment (UE) locations without regard to an existing Radio Resource Controller (RRC) connection for multicast services in a Routing Area Network (RAN). The invention includes performing a multicast area update procedure in the RRC whether the UE has an existing RRC connection or not. The performing step includes sending from the UE a MULTICAST AREA UPDATE message when the UE detects whether a multicast area change has occurred.
Owner:NOKIA CORP
System, devices, methods and programs for reducing service interruption during routing area change
InactiveUS20060234709A1PS service performanceRadio/inductive link selection arrangementsTransmissionArea changeHandover
Before execution of a routing area update (RAU) procedure associated with a handover of a mobile station (40) from a source cell to a target cell in a mobile telecommunication system, a handover required message (14) is sent to a core network (CN) from a source base station (16) in the source cell having a mobile station identifier (IMSI), an identifier of at least one target cell routing area code (RAC) and a temporary logical link identity (TLLI). In response thereto, a handover command message (32) is sent to the source base station from the core network having a packet-temporary mobile subscriber identity (P-TMSI) for transfer to the mobile station in ciphered form over a radio interface between the source base station and the mobile station so that the mobile station is able to send packet-switched (PS) data on an uplink before the RAU procedure is executed.
Owner:NOKIA CORP
Similarity detection method of computer software source code
ActiveCN105426711AIncrease variableAccurately reflect the percentageProgram/content distribution protectionCoding blockEquivalent control
The invention relates to a similarity detection method of a computer software source code, and belongs to the technical field of computer application. The method comprises the following steps: firstly, according to different programming languages, carrying out a word segmentation operation on the source code; then, selecting a specific labeling word to carry out partitioning processing on a word segmentation result, and carrying out relevant processing on a variable segmentation word according to variable attributes; thirdly, on the basis of a word segmentation result, carrying out a difference measurement operation on each block to obtain a difference matrix, and obtaining integral difference according to the difference result and the correlation of each block; and finally, according to a formula, finally obtaining a code similarity detection result. Compared with the prior art, the method can successfully identify means including word-for-word copying, comment statement blank area change, identifier renaming, data type change and the like in the similarity detection of the code, and can successfully detect means that a code block sequence is changed, a statement sequence is changed, redundant statements and variables are increased, an original control structure is replaced with an equivalent control structure and the like.
Owner:北京众码教育科技有限公司
Composite Fabric Material Exhibiting Three-Dimensional Structural Change Upon Water Absorption, and Textile Products
InactiveUS20080254263A1Increasing the thicknessImprove breathabilityGarment special featuresLayered productsEngineeringResin coating
The composite fabric material of the invention comprises a water-absorbing woven or knitted fabric, the area and thickness of which, or the area or thickness of which, increases by at least 10% in its water-absorbed state relative to its dried state; and an area change-restricting means composed of a woven or knitted fabric, nonwoven fabric, resin film or resin coating, the area and thickness of which does not substantially change in its water-absorbed state relative to its dried state, the area change-restricting means being bonded or sewn onto at least one side of the water-absorbing woven or knitted fabric over a partial region so as to leave a plurality of other partial regions separated from each other, or over the entire region, the means serving to restrict change in area by water absorption at the bonded or sewn portions of the water-absorbing woven or knitted fabric. Upon wetting with water, the area and thickness, or the area or thickness, of the water-absorbing woven or knitted fabric at the plurality of the partial regions that are separated from each other increases, thereby changing the three dimensional structure of the composite fabric material.
Owner:TEJIN FIBERS LTD
Image processing system, projector, program, information storage medium and image processing method
ActiveUS7014323B2Correct distortionTelevision system detailsTelevision system scanning detailsCamera lensImaging processing
To provide an image processing system and the like which can perform an image distortion correction and focus adjustment approximately at the same time without changing a projecting position intended by a user, a projector includes: a distortion correcting section which corrects image signals to adjust the distortion in an image; an image projection section which includes a lens unit having a focus adjustment function, the lens unit projecting an image based on the corrected image signals; a control section and a focus lens driving section which control the driving of the lens unit so that the focal length of the lens unit to an image projection area changes; a sensing section which senses the projected image; and a distortion correction amount deriving section which derives the focal length to the center of the image projection area and also an amount of distortion correction for the distortion correcting section, based on sensing information.
Owner:SEIKO EPSON CORP
Image forming method and toner for use in the method
InactiveUS6899986B2High imagingFlat surfaceElectrographic process apparatusDevelopersImage formationSurface roughness
An image forming method, comprising passing a toner image-bearing sheet through a nip defined between two rollers including a heater roller to fix the toner image on the sheet, wherein the toner image is formed from a toner comprising a binder resin, and a colorant, wherein the toner image before the passage through the nip has a toner volume V1 and a toner image area S1, wherein the toner image after the passage through the nip has a toner volume V2 and a toner image area S2, and wherein a volume change Vt and an area change St defined by the formulas shown below are 30% or less and 20% or less, respectively:Vt(%)=(V1−V2) / V1×100St(%)=(S2−S2) / S1×100.Alternatively, the toner image before the passage through the nip has a surface roughness of 2.5 μm or less.
Owner:RICOH KK
Symmetric system sampling technique for estimating area change by different scale remote sensing data
The present invention relatesto a method for estimating area factor change of surface fealures of crop planted area, forest covered area and urban land-use area, etc. by using remote sensing data with different dimensions as data source and adopting symmetrical system sampling technique. Said invention utilizes remote sensing image with middle and low resolution, such as MODIS and TM to construct sampling basic unit, uses the primary estimate value of area changed dimension as auxiliary variable quantity to make collation, and adopts symmetrical system sampling technique to select sample point with strong representativeness, and utilizes the sample information to calculate the area change of researched object in whole region.
Owner:RENMIN UNIVERSITY OF CHINA
Method for forecasting noise value of propeller in uneven inflow
ActiveCN103530482AVerify accuracyRadiated Noise GuaranteeSustainable transportationSpecial data processing applicationsCavitationWater flow
The invention discloses a method for forecasting the noise value of a propeller noise value in uneven inflow. The method for forecasting the noise value of the propeller in the uneven inflow comprises the steps that firstly, a CFD computation grid is divided, steady iterative computation is conducted so that the water flowing performance parameter and the water speed of an inflow opening can be worked out and the accuracy of a model is verified; secondly, CFD unsteady computation is conducted, the period state of blade cavitation and the blade cavitation area change of the propeller are recoded; thirdly, through CFD flow field data, acoustic boundary element value computation is conducted, and load noise of the propeller is worked out; finally, the noise of the propeller is worked out through the blade cavitation monopole radiation noise of the propeller and the load noise of the propeller.
Owner:SOUTHEAST UNIV
Device for Displaying Other Ship Targets
ActiveUS20090079590A1Improve visualizationConducive to safe navigationMagnetic measurementsRadiation measurementGraphicsArea change
An apparatus for displaying other ship targets is provided that displays the positions and detailed information concerning substantially all vessels present in a predetermined region around the own ship in a manner that is easy to grasp for the operator. A display screen includes Graphical Position Display Area 11, Target List Display Area 12 and Vessel Detail Information Display Area 13. A selected vessel of interest is displayed on Graphical Position Display Area 11 with Icon 102, and non-selected vessels are displayed by Icons 103 thereby making it possible to tell them apart. In conjunction with this, a portion of Target List Display Area 12 corresponding to the selected vessel is subjected to Emphasized Display 121, and the detailed information about the selected vessel is displayed in Vessel Detail Information Display Area 13. Here, when the operator switches the selected vessel in Graphical Position Display Area 11 or Target List Display Area 12, the display of the three areas changes in accordance with this operation, such that the selected vessel is subject to emphasized display and detailed display.
Owner:FURUNO ELECTRIC CO LTD
Image evaluation apparatus and camera
ActiveUS20100149361A1Ease of evaluationImage enhancementTelevision system detailsComputer graphics (images)Image evaluation
To provide an image evaluation apparatus and camera which are capable of evaluating an image which is comprehensively good. An image evaluation apparatus comprising: a storage portion which stores a plurality of images when an imaging portion of a camera has continuously imaged in a predetermined time interval a plurality of frames of a subject in a photographing area of the camera, and an image evaluation portion which evaluates a plurality of the images stored in the storage portion, based on a characteristic amount showing a state in which the subject in the photographing area changing in chronological sequence, when the plurality of the images is imaged.
Owner:NIKON CORP
Wireless sensor
Systems and methods for wirelessly detecting area changes are provided. Predetermined thresholds may be stored in memory. Each predetermined threshold is associated with a time of day, calendar day, and / or activity. The sensor may detect a change in the in the targeted area. The detected change is evaluated to determine an applicable threshold. Then it may be determined whether the detected change meets a predetermined threshold. If so, information regarding the change is wirelessly transmitted to an associated controller that controls light in the targeted area. The operation of the light may be controlled based on the wirelessly transmitted information.
Owner:ABL IP HLDG
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