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3267 results about "Image formation" patented technology

The study of image formation encompasses the radiometric and geometric processes by which 2D images of 3D objects are formed. In the case of digital images, the image formation process also includes analog to digital conversion and sampling.

Sheet processing apparatus, sheet processing method, and image forming system

A sheet processing apparatus includes: a center-folder to perform a center-folding process on a sheet bundle including multiple sheet materials; a back-crimp binder to: form a back portion on the sheet bundle subjected to the center-folding process; and perform a crimp-binding process on the back portion; and a controller configured to: cause the center-folder to perform the center-folding process; and cause the back-crimp binder to perform the crimp-binding process on the back portion while forming the back portion on the sheet bundle in the crimp-binding process.
Owner:RICOH CO LTD

Mold injection molding control method and system for injection molding of automobile parts

The mold injection control method comprises the steps that three-dimensional point clouds of a current injection molding part and an adjacent previous injection molding part are obtained, the global difference degree between the current injection molding part and the adjacent previous injection molding part is calculated through overall registration, if the global difference degree exceeds a threshold value, a difference mask is generated and covers a real-time image of a cavity, a difference image is formed, and the difference image is subjected to injection molding. And performing hybrid clustering on the difference image and a known defect type database to obtain candidate defect types and membership degrees, calculating posterior probability contribution degrees of the sensing nodes to the candidate defect types by taking the membership degrees as input and combining a Bayesian reasoning algorithm, if the contribution degree of any sensing node exceeds a threshold value, outputting a defect root cause report, and if the contribution degree of any sensing node exceeds the threshold value, outputting a defect root cause report. And a machine table or a mold execution mechanism is driven to carry out correction. According to the invention, the problems of low detection efficiency, large subjective deviation and lagging root cause judgment due to the fact that automobile part defect detection and root cause analysis depend on manual visual detection or single-dimensional automatic detection are solved.
Owner:LONGMEN DUOTAI IND

Image forming apparatus

An image forming apparatus includes an image bearing member, a rotary including a developing chamber and a developing member, and a toner cartridge. The developing chamber includes a partition wall for partitioning the developing chamber into a first region including the developing member and a second region. The toner is supplied from the toner cartridge to the developing chamber by communication between a receiving opening provided in the developing chamber and a discharge opening provided in the toner cartridge. The toner accommodated in the toner cartridge and the toner accommodated in the first region are moved to the second region by rotation of the rotary and then are mixed in the second region.
Owner:CANON KK

Recording material conveying device and image forming system

A recording material conveying device includes: a first conveyor that conveys a recording material supplied from a recording material supply part; a second conveyor that branches from the first conveyor and conveys the recording material without passing through an image forming part; a third conveyor that branches from the first conveyor and conveys the recording material via the image forming part; and a detector that detects a recording material characteristic of the recording material, wherein the recording material whose recording material characteristic has been detected by the detector can be ejected from the second conveyor.
Owner:KONICA MINOLTA INC

Image forming apparatus

An image forming apparatus includes (i) a developing unit including a storage frame including a receiving opening, and a developing shutter movable between a closed position to cover the receiving opening and an open position to expose the receiving opening, (ii) a toner cartridge including a toner frame having a discharge opening and movable between a mounting position at which the discharge opening faces the receiving opening and a retreat position, (iii) a moving device configured to move the toner cartridge from the retreat position toward the mounting position, and (iv) a drive device including a drive source and configured to drive the moving device. The developing shutter moves from the closed position toward the open position by a force of the drive source when the toner cartridge moves from the retreat position toward the mounting position.
Owner:CANON KK

Image forming apparatus

The present invention is directed to reducing moving members for moving a magnetic body relative to a developer. An image forming apparatus includes a developing unit including an accommodation portion, a developing member, and a magnetic body unit, the magnetic body unit being located inside the accommodation portion and supported to be movable relative to the accommodation portion in a moving direction, a rotary, and a magnetic sensor. A rotation period for the rotary to make one rotation includes a first period. In the first period, the moving direction includes a vertically downward direction. The first period includes a contact period during which the magnetic body unit is received by a developer. The contact period includes timing at which a rotation center of the rotary, the magnetic body unit, and the magnetic sensor are aligned on a straight line in a radial direction of rotation of the rotary.
Owner:CANON KK

Distribution network line multi-class image defect detection method and device based on small sample learning

The invention relates to a distribution network line multi-class image defect detection method and device based on small sample learning, and relates to the field of distribution network lines. The method comprises the following steps: firstly, acquiring a distribution network line historical inspection image to form a first inspection data set; extracting depth and illumination information of the image in the first data set, and generating a preliminary weather simulation diagram in combination with a physical heuristic synthesis algorithm; inputting the initial weather simulation diagram into a pre-training generative adversarial network to obtain a second inspection data set containing various weather scenes; constructing a third inspection data set by using the first data set and the second data set, and dividing a training data set and a verification data set from the third inspection data set, the third inspection data set and the third inspection data set; training a deep learning model by using the training set and the verification set to obtain a trained defect detection model; and finally, inputting a distribution network line inspection image obtained in real time into the trained model, and outputting a defect detection result. Compared with the prior art, the method has the advantages of improving timeliness and accuracy of distribution network line defect identification and the like.
Owner:STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER CO

Printhead assembly, ink cartridge, ink cartridge installation detection method, and image forming apparatus

The invention discloses a printing head assembly, an ink box, an ink box installation detection method and an image forming device, the printing head assembly comprises a circuit board and a contact unit, and the circuit board comprises a signal contact area. The signal contact area at least comprises a first contact area arranged corresponding to the first nozzle module and a second contact area arranged corresponding to the second nozzle module; the contact unit comprises a plurality of signal contacts and further comprises a contact detection contact set, the contact detection contact set comprises at least one contact detection contact, the at least one contact detection contact in the contact detection contact set is arranged in the middle area of the signal contact area, and the center line of the contact unit is located in the middle area. At least one of the first contact area and the second contact area is arranged on one side of the center line of the contact unit. According to the technical scheme of the embodiment of the invention, whether the ink box and the image forming device are in good contact can be detected, and the working reliability of the image forming device is ensured.
Owner:ZHUHAI PANTUM ELECTRONICS CO LTD

Image forming apparatus capable of determining whether enough ink remains

An image forming apparatus 1 capable of loading a plurality of ink containers 31 containing ink of the same color includes: a plurality of container loaders 32 capable of removably loading the respective ink containers 31; a total remaining amount calculator 101 that calculates a total remaining amount of ink of the same color based on respective remaining amounts of ink in the ink containers 31 loaded in the container loaders 32; and a remaining amount condition determiner 102 that determines whether or not a remaining amount alert condition has occurred in which the total remaining amount of ink has reduced to a predetermined lower limit.
Owner:KYOCERA DOCUMENT SOLUTIONS INC

Job task allocation method and device, electronic equipment and storage medium

According to the job task allocation method and device, the electronic equipment and the storage medium provided by the embodiment of the invention, the total task amount of job tasks to be allocated and the equipment parameters of all image forming equipment in an image forming equipment cluster are acquired, and the equipment parameters are used for indicating the health degrees of the image forming equipment; determining a preset task amount corresponding to each image forming device based on the total task amount and the device parameters of each image forming device; and allocating the job task based on the preset task load, so that the actual task load allocated to each image forming device does not exceed the corresponding preset task load. The health degree of the image forming equipment is considered when the job tasks are allocated, the image forming equipment with the low health degree allocates the printed manuscripts with fewer pages, the situation that the image forming equipment with the low health degree is damaged due to the fact that too much tasks are allocated is avoided, and the overall job task allocation strategy is optimized.
Owner:ZHUHAI PANTUM ELECTRONICS CO LTD

Image forming apparatus

An image forming apparatus includes a rotary including a developing chamber, a cartridge configured to supply a developer to the developing chamber, and a tray capable of detachably supporting the cartridge. The tray includes a first opposed portion configured to be opposed to the cartridge and extend in a predetermined direction, and is disposed relative to the rotary to a first position where the cartridge is located outside the rotary and a second position where the cartridge is located inside the rotary. The predetermined direction is a detachment direction of the cartridge. With the cartridge supported by the tray, a part of the cartridge is located downstream, in the predetermined direction, of a downstream end of the first opposed portion in the predetermined direction.
Owner:CANON KK

Sheet separation device, sheet laminator, and image forming system

A sheet separation device includes a sheet separation unit, a displacement detector, a displacement adjuster, and a controller. The sheet separation unit performs a sheet separating operation and a sheet inserting operation. The displacement detector detects a displacement amount of the two-ply sheet when the two-ply sheet is displaced in a width direction of the two-ply sheet and detects a displacement amount of the inner sheet. The displacement adjuster adjusts the displacement of the two-ply sheet in the width direction before the sheet separating operation, based on the displacement amount of the two-ply sheet in the width direction detected by the displacement detector. The controller causes the displacement adjuster to adjust relative positions of the two-ply sheet and the inner sheet between the sheet separating operation and the sheet inserting operation, based on the displacement amount of the inner sheet in the width direction detected by the displacement detector.
Owner:RICOH CO LTD

Medium processing apparatus and image forming system incorporating same

A medium processing apparatus includes a conveying unit, a liquid applier, and a crimper. The conveying unit conveys a medium in a conveyance direction. The liquid applier applies liquid to the medium conveyed by the conveying unit. The liquid applier includes a presser and a liquid application member. The presser presses the medium. The liquid application member contacts and is separated from the medium while the presser presses the medium. The crimper presses and deforms a plurality of media including the medium to which the liquid is applied by the liquid applier, to crimp and bind the plurality of media.
Owner:RICOH CO LTD

Image forming apparatus

An image forming apparatus includes a rotary including a first developing chamber and a second developing chamber, a first cartridge having a first cartridge indicator and configured to supply a first developer to the first developing chamber, a second cartridge having a second cartridge indicator and configured to supply a second developer to the second developing chamber, a first tray having a first tray indicator and capable of removably supporting the first cartridge, and a second tray having a second tray indicator and capable of removably supporting the second cartridge. A hue of the first cartridge indicator is closer to a hue of the first tray indicator than to a hue of the second tray indicator, and a hue of the second cartridge indicator is closer to the hue of the second tray indicator than to the hue of the first tray indicator.
Owner:CANON KK

Driving head assembly, cartridge, and image forming apparatus

The utility model relates to the technical field of image forming, in particular to a driving head assembly, a box and image forming equipment. The driving head assembly comprises a mounting base, a first driving piece and a second driving piece, and the first driving piece and the second driving piece are oppositely mounted on the mounting base. The driving head assembly has an initial state and a working state, and in the initial state, the first driving part and the second driving part can move relative to the mounting base under the action of external force and are far away from each other in the radial direction of the driving head assembly, so that the driving head assembly is switched to the working state from the initial state. The driving diameter of the driving head assembly is increased, so that the driving force of the image forming equipment is reduced, the service life of the driving head assembly is prolonged, and the working stability of the image forming equipment is improved.
Owner:ZHUHAI PANTUM ELECTRONICS CO LTD

Image-forming apparatus including operating member disposed on movable cover for opening and closing shutter of toner container

An image-forming apparatus includes: a main housing having a first opening; a process cartridge mountable in and removable from the main housing through the first opening; and a first cover movable relative to the main housing to open and close the first opening. The process cartridge includes a drum unit including a photosensitive drum; a developing unit including a developing roller; and a receptacle to which a toner container is connectable. The first cover has a second opening through which the receptacle can be exposed. The toner container includes: a discharging part connectable to the receptacle; and a container-side shutter disposed on the discharging part for opening and closing the discharging part. The first cover includes an operating member configured to move the container-side shutter of the toner container to open and close the discharging part while the toner container is connected to the receptacle.
Owner:BROTHER KOGYO KK

Gas edge enhancement method, training method of gas segmentation model, equipment and program product

The invention discloses a gas edge enhancement method, equipment and a program product. The method comprises the following steps: acquiring a collected current continuous frame image; input image data of a pre-trained gas segmentation model is formed based on the current continuous frame images, the gas segmentation model comprises a gas feature extraction network and a gas segmentation network, and the gas feature extraction network is obtained based on migration of a gas feature generation network in a pre-trained gas target detection model; based on the input image data, utilizing the gas feature extraction network to extract gas feature data, and based on the gas feature data, performing segmentation through the gas segmentation network to obtain gas region data.
Owner:YANTAI RAYTRON TECH CO LTD

Heating device, fixing device, and image forming apparatus

A heating device includes: a rotator; a heater extending in a first direction to heat the rotator; a temperature detector to detect a temperature of the heater; a holder holding the temperature detector; an electric wire; and a biasing member to bias the temperature detector toward the heater via the holder in a second direction intersecting the first direction. The holder includes: a pair of supports parallel to each other in a third direction intersecting the first direction and the second direction, the pair of supports extend in the first direction; a wiring space between the pair of supports and accommodatable a part of the electric wire; and a slit between the pair of supports and communicating with the wiring space, the slit being insertable the electric wire to the wiring space.
Owner:RICOH CO LTD

Image forming apparatus

An image forming apparatus includes (i) a developing unit including a storage frame having a receiving opening, (ii) a toner cartridge including a toner frame having a discharge opening, and a toner shutter movable between a closed position to cover the discharge opening and an open position to expose the discharge opening, the toner cartridge being movable relative to the storage frame between a mounting position at which the discharge opening faces the receiving opening and a retreat position at which the toner cartridge is moved from the mounting position, and (iii) a moving device configured to move the toner cartridge from the mounting position toward the retreat position. The moving device includes a contact member configured to contact the toner cartridge, and, while the toner cartridge is moving from the retreat position to the mounting position, the contact member is separated from the toner shutter.
Owner:CANON KK

Sound diagnostic system

A sound diagnostic system includes an image forming apparatus and an information processing apparatus. The image forming apparatus includes operating portions, a sound collector for collecting a sonic wave, an acquiring portion, in each of a plurality of time sections when the sonic wave is collected by the sound collector, for acquiring a data including sonic wave level and an operating state of the operating portions. The information processing apparatus includes a generator for generating a threshold by adding a predetermined value to a first sonic wave level based on the sonic wave in a first period. The information processing apparatus determines a cause of an abnormal sound by comparing a second sonic wave level based on the sonic wave in a second period after the first period and the threshold. The predetermined value is set so as to be smaller as the first sonic wave level is larger.
Owner:CANON KK

Image forming apparatus

An image forming apparatus includes a controller which performs a continuation process in which a toner image is secondarily transferred to a back side of a sheet conveyed from a double side conveyance portion, when performing a double side print in a case in which a sheet of a feeding portion is not conveyed to a secondary transfer portion. The controller controls so that in a case of performing the continuation process, while an image formation area of the intermediary transfer belt passes through the secondary transfer portion, a predetermined voltage, which makes an outer roller be at a potential of a normal charge polarity side to an inner roller and makes an absolute value of the potential difference between the inner roller and the outer roller be less than a discharging threshold value, is applied to the secondary transfer portion.
Owner:CANON KK

Charging roller, process cartridge, image forming apparatus, and image forming method

A charging roller comprises a conductive shaft, an elastic body layer, and a surface layer. The surface layer contains a binder resin and conductive particles. The binder resin contains only a thermoplastic resin. The thermoplastic resin has a water contact angle of not less than 40° but less than 180°. The conductive particles contain first conductive particles and second conductive particles. The first conductive particles are metal oxide particles. A content of the first conductive particles in the surface layer is not less than 15.0 parts by mass but not more than 200.0 parts by mass with respect to 100.0 parts by mass of the binder resin. A particle size distribution of the conductive particles has at least one peak within a range of not less than 0.01 μm but not more than 1.00 μm.
Owner:KYOCERA DOCUMENT SOLUTIONS INC

Optical apparatus, optical inspection system, and optical inspection method

According to an embodiment, an optical apparatus includes: a light emission portion configured to emit light; an image-forming optical element array; and first and second wavelength emission surfaces. The image-forming optical element array includes first and second image-forming optical elements. The second wavelength emission surface is arranged at a position different from the first wavelength emission surface. The first and second wavelength emission surface respectively include: a first wavelength emission region configured to emit by the light, light of a first wavelength spectrum toward the image-forming optical element array; and a second wavelength emission region configured to emit by the light, light of a second wavelength spectrum toward the image-forming optical element array. The first wavelength emission surface is positioned at a focal plane of the first image-forming optical element. The second wavelength emission surface is positioned at a focal plane of the second image-forming optical element.
Owner:KK TOSHIBA +1

Image recognition method based on multi-rotor unmanned aerial vehicle

The invention discloses an image recognition method based on a multi-rotor unmanned aerial vehicle, and relates to the technical field of image recognition and unmanned aerial vehicle autonomous perception, and the method comprises the steps: obtaining image frames and attitude information in real time through an integrated dual-mode sensing module in a flight process; constructing an attitude reconstruction model based on an inertial reference system, and performing dynamic distortion correction and time synchronization on the image frame; introducing an adaptive enhancement mechanism driven by an image entropy change rate, and generating a multi-resolution image pyramid; a deep cross attention neural network combining an image pyramid and a track prediction model is adopted to realize target multi-scale identification and dynamic tracking; the target behavior stability is evaluated according to the target recognition result and the flight path information, and when the stability is insufficient, a local re-inspection strategy is triggered and flight back is carried out to re-collect images to form a closed-loop recognition control process; the method has the advantages of high recognition precision, strong robustness, excellent dynamic scene adaptation capability and the like, and is suitable for various unmanned aerial vehicle application scenes such as routing inspection, monitoring, disaster assessment and the like.
Owner:CHONGQING JIANZHU COLLEGE

Conductive member, process cartridge, and image forming apparatus

ActiveCN119620566Breduce contactReduce the number of scratchesElectrographic process apparatusCorona dischargeImage formationElectrical connection
The application relates to the technical field of image forming, in particular to a conductive component, a process cartridge and an image forming device. The conductive component is arranged on the process cartridge or the image forming device. The process cartridge is detachably mounted into the body of the image forming device. The mounting direction of the process cartridge is a first direction. The conductive component comprises: a plurality of conductive pieces, the conductive pieces are used for realizing the electrical connection between the power supply piece of the image forming device and the load piece of the process cartridge, and at least one load piece comprises a roller piece; the conductive piece comprises an electric contact point, the electric contact point is used for contacting the power supply piece to access the power supply; wherein at least two of the plurality of electric contact points are arranged at intervals along a second direction; the second direction intersects with a third direction and the first direction; and the third direction is parallel to the axial direction of the roller piece. In conclusion, the technical scheme provided by the application can reduce the number of electric contact point scratches and improve the power supply stability.
Owner:ZHUHAI PANTUM ELECTRONICS CO LTD

Image forming system, control method for controlling image forming system, and storage medium

An image forming system includes a light-emitting section provided at a position visible from outside an image forming apparatus, a display section, and a control unit configured to control light emission by the light-emitting section and display by the display section based on a result of detecting a state of the image forming apparatus by a detection section, wherein the light emission by the light-emitting section includes light emission in a form according to the state, wherein the display by the display section includes display of information indicating handling according to the state, and wherein after the light emission by the light-emitting section and the display by the display section are performed, and in a case where the handling is performed, the control unit ends the light emission and the display and performs light emission by a light-emitting section different from the light-emitting section and display by the display section.
Owner:CANON KK

Charging roller, process cartridge, image forming apparatus, and image forming method

A charging roller includes a conductive shaft, an elastic body layer formed on an outer periphery of the conductive shaft, and a surface layer formed on an outer periphery of the elastic body layer. The surface layer contains a binder resin and conductive particles. The binder resin contains only a thermoplastic resin. The conductive particles contain first conductive particles and second conductive particles. The first conductive particles are carbon black particles. A particle size distribution of the conductive particles has at least one peak within a range of not less than 0.01 μm but not more than 1 μm. A water contact angle x of the thermoplastic resin and a content y of the first conductive particles in the conductive particles satisfy the following expressions: 40≤y, y≤(800 / 27)x+(280 / 9), and y≤−8x+200.
Owner:KYOCERA DOCUMENT SOLUTIONS INC

Graph-text multi-mode intelligent identification method, system and equipment for potential safety hazards in hydropower engineering construction

The invention belongs to the technical field of hydropower engineering construction safety intelligent monitoring, and particularly provides a hydropower engineering construction potential safety hazard image-text multi-mode intelligent identification method, system and equipment, and the method comprises the steps: collecting hydropower engineering construction potential safety hazard text and image data, and building a corresponding relation between a potential hazard text and a potential hazard image; processing the hidden danger text by using a BERT model, extracting text features, processing hidden danger image data by using a Vision Transform model of a multi-head self-attention mechanism, and extracting image features; fusing the extracted text features and image features through Gate Net to obtain fused feature expression; a feature with a higher level is extracted from the fused features through a Transform model; and classifying the processed features by using a multi-layer sensor, and outputting results of various hidden dangers. According to the method, association between a construction potential safety hazard text and an image is fully considered, an image-text multi-modal joint characterization principle based on gating circulation fusion is provided, and a construction potential safety hazard multi-modal classification identification method is provided.
Owner:CHINA THREE GORGES UNIV