1559 results about "Shutter" patented technology

An image forming apparatus includes: a fixing chute located upstream of a fixing device in a sheet conveying direction; a fixing guide opposing the fixing chute and including a guide conveying surface; and a fixing shutter opposing the fixing chute and configured to move between a closed position and an opened position. In a state in which the fixing shutter is positioned at the opened position, a shutter conveying surface of the fixing shutter is inclined in a direction approaching the fixing chute toward a downstream side in a sheet conveying direction such that an end portion of the shutter conveying surface on the downstream side is located closer to the fixing chute than an end portion of the guide conveying surface on an upstream side in the sheet conveying direction.

The invention discloses a building engineering progress automatic identification early warning system based on computer vision, which relates to the field of building engineering informatization and comprises a synchronous calibration module, a joint calibration module, a pose generation module, a mapping construction module, a resampling module, a mapping registration module and a comparison early warning module. Clock synchronization and rolling readout calibration are carried out on a camera and an inertial measurement unit, a continuous time pose is established in a frame, sampling is carried out according to rows, and an equivalent global shutter frame is generated in combination with plane and pixel-level geometric mapping; outputting a camera pose track and a local measurement map by adopting back-end optimization containing a rolling mechanism, and registering with the building information model; component detection, instance segmentation and state discrimination are completed on an equivalent global shutter frame, pixel domain measurement is unified into engineering quantity under pose and registration constraints, the engineering quantity is mapped to a work decomposition structure and a progress plan, deviation is calculated, and graded early warning is output according to a multi-threshold rule. Long-term stable and reliable operation and evidence traceability of the system are guaranteed through whole-course quality monitoring and threshold grading.

An image-forming apparatus includes a housing, a fixing device, a shutter, a link, a circuit board, and a fan. The fixing device includes a heating unit and is configured to thermally fix a toner image to a sheet conveyed in a conveying direction. The shutter is movable relative to the fixing device between a closing position for closing an upstream end of the heating unit in the conveying direction and an opening position for exposing the upstream end of the heating unit. The link is connected to the shutter, and is configured to abut on a cartridge, which is detachably attachable to the housing, to move the shutter between the closing position and the opening position. The circuit board and the fan are spaced apart from each other to provide an airflow path through which air flows. The link is positioned between the circuit board and the fan.

An image-forming apparatus includes a housing, a cartridge, a fixing device, a shutter, a link connected to the shutter, and an electrical contact. The fixing device includes a heating unit. The shutter is movable between a closing position for covering an upstream end of the heating unit in a sheet conveying direction and an opening position for uncovering the upstream end of the heating unit. The link is provided on the housing and is configured to abut on the cartridge to move the shutter between the closing position and the opening position. The electrical contact is provided on the housing and contacts an electrical contact surface of a memory of the cartridge attached to the housing. In the housing, the link and the electrical contact are positioned on opposite sides of a center line of the attached cartridge in a widthwise direction orthogonal to an attachment / detachment direction of the cartridge.

The invention discloses a one-way optical shutter video stream transmission method based on weak supervision semantic segmentation, and belongs to the technical field of one-way optical shutter information transmission. Comprising the following steps: carrying out key region and background region classification and marking on all video data received by an optical shutter outer end through a weak supervision semantic segmentation model; performing priority division on a key region and a background region in the video frame; dividing the data packets according to time windows, and packaging the data packets; performing dynamic data compression and segmented coding on the packaged data packet; reed-Solomon redundant coding is carried out on all the data packets of the key area after compression coding is carried out on the data packets of the key area; dynamically adjusting the transmission sequence of the data packets to perform link scheduling; and a receiving end carries out de-encapsulation and data restoration, and reconstructs the restored video frame. According to the method, redundancy and compression of data transmission contents are accurately controlled, so that the transmission efficiency and reliability are remarkably improved, the bandwidth utilization is optimized, and the transmission reliability and stability are enhanced.

The invention belongs to the technical field of sunshade shutter control, and provides a dynamic photovoltaic sunshade shutter control method. Comprising the steps of photovoltaic shutter sunshade device construction, dynamic mathematical model construction, optimization target definition, original controller design, controller iterative optimization, control rule definition, weight strategy acquisition, shutter adjustment strategy generation and photovoltaic shutter sunshade device adjustment. According to the invention, through fusion of the model prediction control method and the rule-based control method, adaptive adjustment of the photovoltaic shutter sunshade device according to the optimization target and the custom rule is realized, and the flexibility and the universality of the device are improved.

A processor-implemented method with image acquisition includes acquiring image frames comprising a shutter-off frame corresponding to a shutter-off through a sensor by performing the shutter-off during continuous shooting, acquiring a measurement signal corresponding to a target image frame, removing, based on a target shutter-off frame corresponding to the target image frame, a first remaining signal corresponding to the target shutter-off frame from a measurement signal corresponding to shutter-off period frames comprising image frames between the target image frame and the target shutter-off frame, and generating a target image frame from which a second remaining signal is removed based on one or more of the shutter-off period frames from which the first remaining signal is removed.

The invention discloses a longitudinal rotation indoor alternating current metal-enclosed switchgear, which comprises a cabinet body, and a contact box device, a valve device, a longitudinal rotation isolation vacuum circuit breaker and an inductance device which are arranged in the cabinet body from top to bottom, and a driving assembly respectively acts on the longitudinal rotation isolation vacuum circuit breaker and the valve device; through partial strokes of the longitudinal rotation isolation vacuum circuit breaker and the valve, namely, the longitudinal rotation isolation vacuum circuit breaker and the valve device share one driving assembly, but the time point when the valve is driven by the driving assembly is ended earlier than the longitudinal rotation isolation vacuum circuit breaker or executed later than the longitudinal rotation isolation vacuum circuit breaker. Therefore, the motion stroke of the valve is shortened, the space requirement of the valve in the cabinet body is reduced, and the miniaturization of the longitudinal rotation indoor alternating-current metal-enclosed switchgear is realized.

The invention provides an intelligent sunshade shutter visual comfort performance regulation and control method based on a dynamic programming algorithm. The method comprises the following steps: step 1, collecting potential influence factors of visual comfort performance of a light environment and visual comfort evaluation index values, and constructing a visual comfort data set of the light environment of the office space; step 2, training a random forest model algorithm in machine learning by using the data set in the step 1 to complete construction of a light environment visual comfort index prediction model; and step 3, constructing a sunshade regulation and control intelligent body based on dynamic programming by using the light environment visual comfort index prediction model in the step 2, and completing intelligent sunshade shutter visual comfort performance regulation and control based on a dynamic programming algorithm. According to the method, various factors of the light environment and the visual comfort evaluation indexes are comprehensively considered, intelligent regulation and control of the sunshade shutter are achieved by means of a dynamic planning algorithm, the visual comfort requirements of people in different light environments can be met to the maximum extent, and the visual comfort of the indoor light environment is practically and effectively improved.

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.

To solve a problem that a time for moving a shutter may be needed when flushing is performed.SOLUTION: An recording device 1 includes: a recording head 40 which discharges an ink to a medium P from a plurality of nozzles 44 provided on a discharge surface 42a to perform recording; a cap part 61 capable of covering the discharge surface 42a; and a shutter 51 which may be displaced between a shield position where the shutter 51 covers the cap part 61 separated from the discharge surface 42a and an open position where the shutter 51 opens the cap part 61. The shutter 51 has: a facing surface 51a facing the discharge surface 42a in the shield position; and a discharged area DA where the ink is discharged from the nozzles 44 as flushing and which is provided on the facing surface 51a.SELECTED DRAWING: Figure 11

The invention discloses a display light color detection system, and relates to the technical field of low-brightness display light color detection, and the system comprises a dynamic modulation module which is configured to carry out the high-frequency pulse modulation of a dark-state signal of a detection object, and is used for enabling the dark-state signal to carry a modulation component of a characteristic frequency; the time sequence division acquisition unit comprises a high-speed optical shutter assembly and a detector, and the high-speed optical shutter assembly synchronously switches the on-off state of an optical path according to the characteristic frequency; according to the invention, through high-frequency pulse modulation of dark state signals, time-sequence-divided acquisition of noise and signals and time-frequency domain combined decoupling, traditional hardware limitation is broken through, ultra-low brightness signals and stray light interference are effectively separated, 0.01 cd / m < 2 >-level high-precision detection is realized, the detection efficiency is improved by more than 7 times, and the misjudgment rate is significantly reduced. The problems of missing detection of a novel display technology and the yield of an automatic production line are solved, and an active coding-time sequence calibration-cross-domain cooperation framework has remarkable innovativeness and industrial value.

A privacy device includes a shutter moveably mounted along a first axis to a frame supporting a camera having a lens. A closing solenoid is supported by the frame and including a closing core. Control circuitry is coupled to the closing solenoid to cause the shutter to cover the lens. An opening solenoid that includes an opening core may be used to move the shutter to an open position to uncover the lens.

An air inlet sealing shutter capable of minimizing ventilation resistance during opening belongs to the technical field of ventilation and air conditioning, and comprises a window frame and a vertical wide shutter group capable of minimizing ventilation resistance during opening, the vertical wide shutter group consists of M vertical wide shutters with rotating shafts, and M is greater than or equal to 2; the width W of the vertical wide shutter meets 0.5 m < = W < = 2.6 m, the ratio F of the thickness to the width of the vertical wide shutter meets 1 / 50 < = F < = 1 / 10, the vertical wide shutter with the ratio F of the thickness to the width is used for reducing ventilation resistance caused by the shielding area corresponding to the thickness of the vertical wide shutter when the shutter is opened, and meanwhile the wind resistance strength of the vertical wide shutter is maintained; the vertical wide shutter comprises an air inlet lap joint area, a solid shutter area and an air outlet lap joint area. When environmental wind exists and the shutter is opened, flow guide and vortex elimination are carried out through the vertical wide shutter blades with the width W and the air inlet lap joint area of the vertical wide shutter blades, so that the ventilation resistance of the shutter during inclined air inlet is minimized; when the louver is closed, air inlet sealing of the louver is achieved through alternate lap joint of the air inlet lap joint areas and the air outlet lap joint areas of the adjacent louvers.

An electronic apparatus is provided. The electronic apparatus includes memory, a projection part, a sensor part, an optical shutter part, and at least one processor, and the at least one processor is configured to output, through the projection part, a first projection image at a projection surface, obtain, through the sensor part, first sensing data associated with the projection surface, obtain a second projection image by performing a correction function on the first projection image based on the first sensing data, identify a position of a background area from the first projection image, identify a position of a blocking area corresponding to the position of the background area, control the optical shutter part to perform a filtering function based on the position of the blocking area, and output, through the projection part, the second projection image.

The utility model discloses a camera which comprises a shell, a control panel and a lens are arranged in the shell, a contact switch is arranged on the control panel, and a dial wheel mechanism is further arranged in the shell. The dial wheel mechanism comprises a dial wheel support, a dial wheel, a shutter key and a linkage piece are arranged on the dial wheel support, one side of the dial wheel extends out of the rear end face of the shell, one end of the shutter key extends out of the upper end face of the shell, and one end of the linkage piece can be connected with the shutter key; a limiting table is arranged on the end face of the gear, a limiting notch is formed in the limiting table, a limiting shifting block is arranged on the linkage piece, the limiting shifting block can be in sliding fit with the limiting table, and the limiting shifting block can be clamped with the limiting notch in a limiting mode; an elastic limiting piece is arranged on the shifting wheel support, limiting teeth are arranged on the outer side wall of the shifting wheel, and the elastic limiting piece is connected with the limiting teeth in a sliding and clamping mode. According to the utility model, the imaging technology of a digital camera can be adopted for photographing, the operation hand feeling of a film camera is kept, the nostalgic feelings of users are met, and the use favor of the users is improved.

A multi-selection shutter camera application and method selectively sends images to different artificial intelligence and innovative platforms for fast sharing and informational purposes. An electronic device with a touch sensitive display and a processor is utilized. A capture screen on the display includes a multi-shutter view (a live view and at least two selective capture buttons (e.g., shutters)) for capturing media content. The method may include receiving input from the buttons to capture the content and direct it to an artificial intelligence platform; processing the content information based on the selected button; analyzing the content through parameters and show options to the user on the same screen that displays the content; and presenting a plurality of selectable options related to the user's selected shutter and intent of capturing the content, including, but not limited to uses related to at least one of the following: discovery, shopping and sharing functionality alternatives.

The invention provides a lighting device. The lighting device comprises a projection device and an image capturing device, the projection device comprises a light emitting device used for generating a first light beam to irradiate an object to be measured and generating a second light beam different from the first light beam to irradiate the object to be measured; the optical shutter device is located on an optical path of the first light beam and the second light beam, and the optical shutter device comprises a first optical shutter located on a light incident surface of the optical shutter device; the second optical shutter is located on the light emitting surface of the optical shutter device, the first light beam penetrates through the optical shutter device and generates first structured light in a first depth-of-field range, and the second light beam penetrates through the optical shutter device and generates second structured light in a second depth-of-field range different from the first depth-of-field range. The first structured light and the second structured light are projected on the object to be measured to generate an image beam. The image capturing device is used for sensing the image light beam to obtain a first image and a second image.

A toner cartridge includes: a body to contain toner and including a toner outlet to discharge the toner to the outside; an agitating member to rotate about a central axis of the body and agitate the toner contained in the body; a shutter member to move along the central axis with respect to the body, and having an open position to open the toner outlet and a blocked position to block the toner outlet; a driving force receiver exposed to the outside through the toner outlet when the shutter member is in the blocked position, and to rotate by receiving a driving force from the outside; and a driving shaft to transmit a rotational force of the driving force receiver to the agitating member.

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.

Described herein are methods and systems for protecting a light detection and ranging (LIDAR) device against external light that is originated at a light source other than a light source of the LIDAR device and that is being emitted towards the LIDAR device. In particular, the LIDAR device may be equipped with a mitigation system that includes an interference filter, an absorptive filter, an adaptive filter, and / or a spatial filter. Additionally or alternatively, the LIDAR device may be operated to carry out reactive and / or proactive mitigation operations. For example, the LIDAR device may be operated to vary over time characteristics with which light is being emitted and to only detect light having characteristics that match the characteristics with which light is being emitted. In another example, the LIDAR device may be operated to activate a shutter to block the external light from being detected by the LIDAR device.

The invention discloses a method for recovering degraded image information based on multi-sensor fusion. The method comprises the following steps: 1, calibrating internal and external parameters of a camera and an inertial sensor; 2, calculating a combined degradation parameter based on a degradation model: defining relative displacement as a vector # imgabs0 #, reading an image distance # imgabs1 #, obtaining a depth # imgabs2 # and a motion # imgabs3 #, calculating a vector # imgabs4 # based on a similar triangle, projecting the vector # imgabs4 # to an imaging plane, and decomposing the vector # imgabs4 # into a length parameter # imgabs5 # and an angle parameter # imgabs6 #; step 3, removing motion blur; and 4, roller shutter effect compensation. According to the invention, input parameters for solving the problem are reduced, and the scheme integration level is improved. And the processing result is superior to the common method in terms of MSE, PSNR, SSIM and other indexes.

Roller shutter rod, comprising a body with a head end and a foot end, wherein a hook is arranged at one of the two ends and a chamber for receiving the hook is formed at the other of the two ends a chamber is formed for receiving the hook, wherein the chamber is formed in two parts in such a way that it enables a hook to be received in two directions opposite to a centre plane of the roller shutter rod.

The invention relates to an intelligent sunshade shutter control method and system based on environment data and target parameters, and belongs to the field of industrial Internet of Things information perception. Environment illumination intensity, solar altitude and azimuth angle, environment temperature and / or humidity data and target indoor illumination intensity and target temperature and humidity data input by a user are obtained; according to the method, the real-time base line shutter inclination angle is calculated, dynamic adjustment is carried out in combination with the light intensity adjusting particles and the somatosensory adjusting particles, and finally the optimal shutter inclination angle is obtained, so that intelligent control over the sunshade shutter is achieved. According to the invention, external environment change can be responded in real time, the inclination angle of the shutter is dynamically adjusted, direct light is effectively shielded, and indoor light and thermal environment are optimized. Meanwhile, intelligent adjustment according to weather conditions and multi-region requirements is supported, and the adaptability and accuracy of the system are enhanced.

The invention discloses a PCB soldering paste printing three-dimensional defect detection system based on multispectral imaging, and relates to the field of machine vision detection, and the system comprises a multispectral image acquisition module, a four-channel industrial camera based on RGB and near infrared, and a tunable LED light source array; acquiring reflection characteristic data under different penetration depths through a wavelength switching mechanism; the motion control trigger module is used for realizing positioning based on an XYZ three-axis objective table driven by a servo motor in cooperation with feedback of an encoder; a pulse width modulation signal is adopted to coordinate the moving speed of a camera shutter and a platform; according to the method, RGB and NIR four-channel imaging is combined with Beer-Lambert law modeling, so that double verification of material component quantitative analysis and three-dimensional shape reconstruction is realized, and limitation of monocular vision is avoided; structured light projection and binocular stereo matching technologies are adopted, cross-frame data alignment is realized in cooperation with an ICP algorithm, and detail defects can be better detected.

The invention provides a screen window control device of low-energy-consumption shutter glass and a using method, relates to the field of shutter glass, and aims to solve the problem that a screen window can affect the permeability of the shutter glass. The number of the screen window screen plates is the same as that of the shutter glass sheets, the screen window screen plates and the shutter glass sheets are in one-to-one correspondence, the screen window screen plates are matched with the short shafts, the long shafts, the first guide grooves and the second guide grooves in the guide assemblies to be in the horizontal state when the shutter glass sheets are vertically closed, and therefore the influence on the permeability of the shutter glass sheets can be reduced; when the shutter glass sheets are obliquely opened for ventilation, the gaps between the adjacent shutter glass sheets can be shielded, so that the mosquito-proof and dust-proof effects are achieved, the flexibility is high, sliding friction force does not exist between the shutter glass sheets and the inner wall of the frame, the load of a driving source can be reduced, and more energy-saving and practical effects are achieved.

The invention relates to the technical field of image recognition, in particular to a disconnecting link opening and closing video image recognition system and method. The disconnecting link opening and closing video image recognition system comprises an image acquisition unit which is used for acquiring image data of a disconnecting link in real time in various environments. By adopting advanced image processing and mode recognition technologies and combining various image enhancement algorithms, high-precision recognition of the opening and closing states of the disconnecting link under complex illumination conditions and different visual angles can be achieved, meanwhile, the system has the real-time image processing capacity, response can be made in time when the state change of the disconnecting link is detected, and the detection accuracy of the disconnecting link is improved. By means of the system, potential safety hazards can be quickly found and processed by operators, the safety performance of the system is enhanced, and in addition, the system not only provides real-time identification results, but also can store and analyze historical data, presents the operation condition of the disconnecting link in a data report form, and supports subsequent decision making.

A selfie stick convenient for being operated with an index finger includes a clamping assembly, a supporting member, an extension and retraction mechanism, a handle and a shutter button. The clamping assembly having a main surface for facing the external equipment located on a first side. A step part is arranged on a surface of the handle located on the second side; the step part includes a first surface. From one side close to the second connecting part to one side away from the second connecting part, a distance between at least a portion of the first surface and an axis of the handle gradually increases. The shutter button is arranged on the first surface and configured to be operated with the index finger of the user to control the external equipment to take a photo.

Disclosed is a Bluetooth earphone cabin with a camera, including a shell. An earphone placement cavity and an electronic element cavity are arranged inside the shell, where a battery and a circuit board that are electrically connected to each other are arranged inside the electronic element cavity. A display screen, a camera and a shutter key are arranged on the shell, where the display screen, the camera and the shutter key are all electrically connected to the circuit board. A memory card interface and a memory card reading circuit are arranged on the circuit board.

The invention provides a point cloud coloring processing method and device, equipment and a storage medium, and the method comprises the steps: calculating the timestamp of each pixel line according to the exposure time length and pixel reading time length of a target image under the condition of clock synchronization of a laser radar and a camera, thereby determining the camera pose data of the camera when the camera collects each line of pixels, and carrying out the processing of the point cloud coloring. And further determining the real projection position of each point in the point cloud in the target image, namely, when the projection point under the camera pose data corresponding to a certain pixel row just falls in the pixel row, determining that the projection point at the moment is the target pixel point of the point, and coloring the point cloud by using the target pixel point corresponding to each point. The method can reduce the difference between the point cloud color and the actual color caused by the roller shutter door effect, improves the point cloud coloring accuracy, does not need to use a global shutter camera, and is lower in cost.