28 results about "Contact image sensor" patented technology

The invention discloses a contact image sensor based on adaptive multispectrum, which relates to the technical field of image sensing and comprises a self-focusing lens array, a liquid lens array, an optical filter array, a driving circuit, an image sensing element and a control unit, according to the invention, by integrating the multi-band liquid lens array and the one-to-one corresponding optical filter arrays and combining an independent driving circuit and an adaptive control algorithm, mechanical-free automatic focusing in a wide spectral range is realized, a mechanical moving part in a traditional scheme is not needed, the problem of a complex structure caused by mechanical switching in multi-spectral imaging is solved, and the imaging efficiency is improved. By configuring an independent voltage regulation and control mechanism for each liquid lens, focal length requirements of different spectral bands can be accurately matched, the problem that part of band images are blurred due to a fixed focal length is avoided, delay generated by mechanical switching is eliminated by means of the quick response characteristic of the liquid lenses, and the multi-spectral scanning efficiency is improved.

The utility model discloses a housing with a novel joint line position design and a contact type image sensor thereof, the housing is provided with a lens mounting groove for mounting a cylindrical lens and a substrate mounting surface for mounting a substrate, and the groove bottom of the lens mounting groove is of a non-closed structure to form a light emitting channel. A planar lens mounting bearing platform is formed above the light emitting channel, the light emitting channel is located over the photosensitive sensor on the substrate, the bottom of the light emitting channel does not make contact with the substrate, the two sides of the light emitting channel are vertical planes, and bottom edges of the vertical planes of the light emitting channel are male and female die joint line positions. And inclined planes are arranged on two sides below the light emitting channel to form a cavity with a wide lower part and a narrow upper part. The optimized shell is applied to the contact type image sensor, a space is increased on the shell to form a non-contact surface, a joint line position is placed on the non-contact surface, and when the joint line position is lifted up relative to a substrate and assembled, the joint line position is not in contact with other parts, so that the probability that burrs at the joint line position fall off is reduced.

The utility model relates to the technical field of urine dry chemical analysis and detection, in particular to a test paper conveying device convenient to disassemble and assemble, which comprises a test paper strip conveying belt, a guide mechanism, a CIS (Contact Image Sensor) detector, a sample dropping deflector rod mechanism and a driving mechanism, the test strip conveying belt comprises a driving round belt wheel, a driven round belt wheel, a gear, a connecting frame, a conveying belt body, a first bearing, a second bearing, a fixing plate and a first fastening screw, the connecting frame is pushed in along the guide mechanism, and the included angle between the round corner at the top end of the connecting frame and the guide mechanism reaches a point contact position, so that accurate positioning is realized; the connecting frame is fastened on the guide mechanism through the fixing plate and the first fastening screw, and when the test strip conveying belt is disassembled and maintained, the conveying belt body on the connecting frame can be cleaned and replaced only by disassembling the fixing plate and the first fastening screw and pulling the connecting frame out of the guide mechanism; the convenience of cleaning, replacing and maintaining the conveying belt of the traditional test paper conveying device is improved.

An apparatus for inspecting an electrode for a secondary battery, according to one embodiment of the present invention, comprises a front surface inspector including: a front inspection camera for inspecting a front surface of an electrode; and a side illumination that irradiates light onto the front surface of the electrode at a predetermined angle with respect to the front inspection camera. In one embodiment of the present invention, the front inspection camera may be a contact image sensor (CIS) camera, and a single camera may simultaneously perform inspection of a notched tab and width and surface inspection of the electrode.

A cleaning device (100), a control method, an apparatus, a computer program product, a storage medium, and a cleaning system (300). The cleaning device (100) comprises a contact image sensor module (110), the contact image sensor module (110) being used for collecting a surface image of a surface to be cleaned (114), and the surface image being used for analysis of surface information of said surface (114).

The invention relates to an inspection apparatus for the image-sensor-based inspection of an object (3), the inspection apparatus (1) comprising: a transport device for transporting a physical object (3) to be inspected along a transport path; an image sensor system (6) having at least one image sensor (35) for scanning at least part of the object (3), by image sensor, along a viewing direction (18) while the object (3) is continuously moved by the transport device along the transport path relative to the image sensor system (6); and an illumination device for illuminating a surface to be inspected, of the object (3), in a wavelength range which can be captured by the image sensor system (6), so that the image sensor system (6) can at least partly capture, by image sensor, the surface in a surface region illuminated in this way. The image sensor system (6) has a number N, where N ≥ 1, of digital line scan cameras (7) which are individually or cumulatively in the form of a contact image sensor, CIS, and which each have a plurality of camera pixels (27) arranged in a line, each camera pixel having a lens (28), and the lines of the N line scan cameras (7) each extend transversely to the transport path. The illumination device is configured such that, in order to illuminate the surface to be inspected, of the object (3), the illumination device generates light and directs said light along a beam path (24), the direction of which coincides with the viewing direction (18) or differs therefrom by at most 30°.

A contact image sensor is provided, including: a control unit configured to receive output pulses from an encoder, where the control unit includes a comparator configured to compare the output pulses with a preset scanning cycle stored in the register to obtain an illumination control signal; an illumination unit configured to illuminate an object to be detected based on the illumination control signal; a scanning unit configured to scan the object to be detected based on the scanning trigger signal to obtain a scanning signal; a data processing unit configured to process the scanning signal to obtain an initial scanning result; and a data output unit configured to obtain a target scanning result based on the initial scanning result and output the target scanning result based on the output trigger signal.

A device (100) for detecting defects in an anode or cathode of a battery, the anode or cathode comprising a film (1) of an electrically conductive material, the film being at least partially coated with a coating (3) on its two opposite faces. The apparatus comprises a controller (10) and a device arranged along the transport path of the anode or cathode to be controlled, the device comprising: a contact image sensor (12); a beam splitter (14); a first illuminator (16) that sends a first light beam (A) on a beam splitter that deflects the first light beam towards a first face of the anode or cathode; a second illuminator (18) which sends a second light beam (B) of substantially glancing light towards the first face. The controller drives the illuminators to emit respective light beams in a synchronized and alternating manner with each other. The contact image sensor captures an image of the first surface while being illuminated, and the controller detects the presence of a defect based on the captured image.

The invention is suitable for the technical field of semiconductor chip testing, and provides a CIS average frame obtaining method, device and processing equipment, and the method comprises the steps: receiving an average frame calculation parameter, responding to the average frame calculation parameter, sending a collection starting instruction, enabling a system to enter an image taking process, and keeping a collection state, continuous image frames are accumulated according to target virtual channels, so that average frame generation of each channel gets rid of a channel-by-channel serial process; when any target virtual channel accumulatively reaches the target frame number, average frame calculation of the channel is completed, the average frame is written into a result cache, and an average frame acquisition request is directly returned according to the channels without waiting for completion of all the channels; frame collection, accumulation and average calculation are overlapped in time, and control overhead caused by repeated starting and channel switching is reduced. Therefore, the average frame is generated earlier, the blocking time is shorter, the overall test beat is shortened, the time cost for obtaining the average frame can be substantially saved, and the CIS image test efficiency is further improved.

A rod lens array in which a plurality of gradient index rod lenses are arranged in a main scanning direction such that optical axes thereof are substantially parallel satisfies 0.01 [mm]≤ΔW≤0.1 [mm] when a substantially erect equal-magnification image of an object surface is formed on an image surface (Note that ΔW is an absolute value of a difference between a length Wob of the object in the main scanning direction and a length Wim of the image in the main scanning direction).

The invention relates to a closed-loop control and diagnosis method and system for bill multispectral image acquisition. The method comprises the following steps: presetting calibration parameters matched with spectral characteristics of a contact image sensor; when the photoelectric sensor group detects that a bill is inserted, entering a scanning preparation state; the control mainboard generates a light source excitation sequence instruction according to a preset scanning mode; when the bill linearly passes through, synchronously acquiring to obtain a multispectral image sequence; the position and posture of the bill are monitored and corrected in real time, and correction data are obtained; original images in the multispectral image sequence are preprocessed according to the calibration parameters; and the control mainboard forms a structured multispectral image data packet according to the preprocessed image sequence, the deviation correction data and the sensor state data of the photoelectric sensor group. The imaging effect of the contact-type image sensor in the field of bill authentic identification is improved, and a high-quality, structured and pixel-level aligned multispectral image data packet is provided for an upper computer.

The invention discloses cleaning equipment, a control method and device, a program product, a medium and a cleaning system.The cleaning equipment comprises a contact type image sensor module, the contact type image sensor module is used for collecting a surface image of a to-be-cleaned surface, and the surface image is used for analyzing surface information of the to-be-cleaned surface. Through the technical scheme provided by the invention, the accuracy of identifying the surface information of the to-be-cleaned surface in the process of executing the cleaning task by the cleaning equipment can be improved.

The embodiment of the invention discloses a light-emitting module, a linear light source and a contact type image sensor. The light-emitting module comprises a circuit board, a plurality of groups of LED lamp beads and a control driving circuit. The circuit board comprises a main board surface and a side board surface connected to the main board surface; the LED lamp bead comprises an LED luminous body and a pin connected with the LED luminous body, the pin is connected to the main board face in the direction parallel to the main board face, and the normal of a light emitting path of the LED luminous body is perpendicular to the vertical face of the main board face. The control drive circuit is connected to the multiple sets of LED lamp beads and arranged on the main board face of the circuit board.

The invention discloses a low-cost contact-type image sensor and a detection method, which are used for banknote authentication and meet the resolution requirement of banknote authentication, infrared receiving diodes with the diameter of 2mm are used for replacing micro-sized lenses and complex photosensitive chips to receive images, the infrared receiving diodes are arranged in a staggered manner, and the infrared receiving diodes are arranged in a staggered manner. The arrangement distance between the adjacent infrared receiving diodes is 1.27 mm, the effective scanning length reaches 90 mm, the resolution reaches 20 DPI, and the requirements for image recognition and authentic identification of banknotes are met. The receiving lamp light guide holes which are arranged on the center line of the machine shell in a staggered mode are formed in a one-time injection molding mode, mold manufacturing is convenient, and the resolution ratio is improved. The plastic-packaged infrared receiving lamp tube is a mature product in the market, is low in price, is provided by more manufacturers, and is easy to purchase. The sensor can be consistent with a traditional CIS sensor in the aspect of meeting the counterfeit identification effect of banknotes, and the complexity of production and manufacturing and the material cost are greatly reduced on the whole.

Device (101; 102) for the automatic optical inspection of a web-shaped or arc-shaped product (001; 002) having at least one coating and moving along a transport path, comprising at least one transport means (103) for transporting the product (001; 002), as well as a line scan camera (104), a first illumination device (106) and a second illumination device (107), wherein the transport path along which the product (001; 002) is moved crosses a detection area of ​​the line scan camera (104), wherein the line scan camera (104) is arranged in the transport direction (T) of the product (001; 002) between the first illumination device (106) and the second illumination device (107), wherein the detection area of ​​the line scan camera (104) is illuminated by both the first illumination device (106) and the second illumination device (107).wherein a central ray (Z106) of the radiation emitted by the first lighting device (106) and a central ray (Z107) of the radiation emitted by the second lighting device (107) have a common point of impact (AP) extending transversely to the transport direction (T) of the product (001; 002) on a surface of the respective coating of the product (001; 002), wherein the central ray (Z106) of the first lighting device (106) forms an angle (β) in the range between 10° and 30° with a normal (N) standing on the point of impact (AP), and the central ray (Z107) of the second lighting device (107) forms an angle (γ) in the range between 45° and 70° with the normal (N) standing on the point of impact (AP),wherein an angle (θ) is formed between a reflection beam (Z104) emanating from the point of impact (AP) and directed towards radiation-sensitive elements of the line camera (104) and the normal (N) located at the point of impact (AP), wherein this angle (θ) and the angle (β) formed between the central beam (Z106) of the first illumination device (106) and the normal (N) located at the point of impact (AP) are arranged symmetrically to the normal (N) located at the point of impact (AP), and wherein the line camera (104) is designed as a line camera (104) having contact image sensors.

The invention provides a portable printing and copying machine device with autonomous movement and multi-machine cooperation functions, which is characterized in that a, one or more printing nozzles are arranged to support printing images on the surface of a printing medium; the feature b is that one or more contact image sensors are arranged and are used for acquiring an image of the surface of a printing or scanning medium; c, a selectable motion tracking sensor is arranged and used for measuring local relative motion of the printing and copying machine in the printing or scanning process; d, an autonomous moving device with a three-degree-of-freedom motion capability in a plane is arranged, so that the printing and copying machine autonomously moves on the surface of the medium to complete printing or scanning operation; and e, a wireless communication module is arranged and is used for receiving a printing task or communicating with other portable printing and copying machines. According to the invention, the manual operation is reduced in the splicing type printing or scanning operation, and the working efficiency is high; the machine is compact and light in structure and flexible in use mode, and printing and scanning sizes are not limited.

The invention belongs to the technical field of unmanned aerial vehicles, and particularly relates to an amphibious calibration unmanned aerial vehicle and an anti-collision walking mechanism thereof. The anti-collision walking mechanism comprises a spherical frame, a fixed outer ring, a rotating inner ring, a fixed shaft and a rotating shaft, the fixed shaft and the rotating shaft are perpendicularly crossed, the fixed outer ring and the rotating inner ring are in sliding fit, the spherical frame can be driven by rotor power to roll to achieve ground walking, and the anti-collision function is achieved during flight. The detection device comprises a telescopic assembly mounted on a fixed shaft and a contact type image sensor, is not influenced by ambient light, adapts to multiple scenes through amphibious motion, and the telescopic assembly can go deep into a narrow space to eliminate a blind area, so that the survival ability and the operation range in a complex environment are greatly improved, and the detection device is suitable for the fields of post-disaster rescue, pipeline inspection, building surveying and mapping and the like.

The present application relates to the technical field of scanning, and particularly relates to a control method and device of a scanner, electronic equipment and program product, the method comprising: receiving a scanning trigger instruction, wherein the scanning trigger instruction comprises a planar original scanning instruction, a real scene shooting instruction or a cooperative scanning instruction; selecting a target scanning module of the intelligent scanner according to the scanning trigger instruction, wherein the target scanning module is at least one of a contact image sensor module and a camera sensor module; sending a driving signal to the target scanning module to control the target scanning module to start and execute image scanning and output corresponding analog image signals. Non-contact line-by-line scanning and area array photographing scanning can be supported, the device can be freely switched according to the type of scanned objects, precision requirements and efficiency requirements, high-precision fine acquisition and high-speed scanning of large quantities are taken into account, and the device versatility and scene adaptability are improved.

The invention relates to an apparatus (101; 102) for automatically optically inspecting a web-type or sheet-type product (001; 002) which has at least one coating (003) and is moved along a transport path, wherein a capture region (E) of a line scan camera (104) is or is being illuminated both by a first illumination device (106) and by the second illumination device (107). The first illumination device (106; 106') is arranged and oriented such that a central ray (Z106) of the radiation emitted by the first illumination device (106) impinges directly on radiation-sensing elements of the line scan camera (104; 104') by way of a direct reflection off a surface of the product (001; 002) to be inspected that lies in the capture region (E), according to the law of reflection with an angle of reflection equal to the angle of incidence, and the second illumination device (106; 106') is arranged and oriented such that only radiation from the second illumination device (107; 107') that is reflected diffusely in the capture region (E), i.e. no radiation emitted directly by the second illumination device (107) according to the law of reflection, reaches the radiation-sensing elements of the line scan camera (104; 104'), and wherein the line scan camera (104) is designed as a line scan camera (104) having contact image sensors. The invention furthermore relates to an inspection system (100) for inspecting the surfaces of a product (001; 002) on both sides.

The invention discloses an image scanning method and device based on a contact image sensor. The method comprises the following steps: detecting displacement data used for representing the moving distance of the image scanning device by using a photoelectric sensor; based on the displacement data, determining a next scanning trigger time, and generating a line scanning trigger signal when the next scanning trigger time is reached; and driving a contact image sensor to perform line scanning operation based on the line scanning trigger signal to obtain image scanning data. The technical problem that a constant-speed triggering scanning mode depends on a fixed scanning speed, is only suitable for guide rail type equipment and cannot adapt to flexible and changeable moving speed and triggering requirements of handheld portable equipment is solved.

The utility model discloses a light source assembly with an assembly positioning structure and a contact type image sensor thereof, the light source assembly comprises a white shell, a light guide column and an LED lamp panel assembly, the light guide column is inserted into the white shell and is provided with the LED lamp panel assembly, two ends of the white shell are provided with anti-falling parts, and the white shell and the anti-falling parts surround two ends of the light guide column. A plurality of barbs are distributed on the edge of the light outlet and block the edge of the light guide column, a stop part is arranged at one end of the light guide column, the stop part protrudes outwards relative to the side face of the light guide column, one light inlet of the white shell is an insertion end, a clamping groove is formed in the insertion end, the stop part can be embedded into the clamping groove, and positioning is achieved through the stop part at the end and the clamping groove. The barbs can prevent the middle of the light guide column from arching and bending to be separated from the white shell, and the light source assembly has good stability. The optimized light source assembly is applied to the contact type image sensor, assembling is convenient, and the manufactured contact type image sensor is good in light uniformity and free of bright spot fluctuation curves.

This invention provides an image reading device and an image forming system that enable the stable mounting of an adjustment member for adjusting the height of the CIS in the reading unit. [Solution] The system comprises a contact image sensor (CIS) 702 for reading an image of a sheet, a carriage for holding the CIS 702, a height adjustment block 842 that contacts the CIS 702 and adjusts the height of the CIS 702 relative to the carriage, and a fixing mechanism for fixing the height adjustment block 842 to the carriage. The fixing mechanism consists of a bolt 846 and a square nut 848 into which the bolt 846 is screwed.

The circuit board includes a power input connector (121) having a first input pin to which a power supply voltage is input, a power output connector (122) having a first output pin to which a power supply voltage is output to a subsequent circuit board, a switch (124) for short-circuiting or disconnecting the first input pin and the first output pin, and a power supply IC (123) for generating a first voltage from the power supply voltage supplied to the first input pin. The power output connector (122) further has a second output pin connected to the control terminal of the switch (124) and a fourth output pin that outputs a first voltage. When the power input connector (121) of the subsequent circuit board is connected, the second output pin and the fourth output pin are short-circuited in the subsequent circuit board, thereby supplying a first voltage to the control terminal of the switch and short-circuiting the switch (124).

A device and method for improving the reproducibility of image captures are provided. The device comprises a guide device (1) configured to guide at least one object (2) in an object plane (1a); at least one driving device (3) configured to transport the object (2) in the object plane (1a) in a transport direction (8); an image plane (5); at least one contact image sensor comprising at least one light source (4) for illuminating the object (2); a plurality of rod-shaped lenses (6) arranged between the object plane (1a) and the image plane (5) and in a row along a direction transverse to the transport direction (8) of the object (2); and at least one light-sensitive in-line pixel array (7) arranged in the image plane (5); a control device (9) configured to control at least one of the light source (4) and the light-sensitive in-line pixel array (7) and to capture a signal generated by the light-sensitive in-line pixel array (7). A light emitted from the light source (4) may be at least partially scattered by the object (2) toward the rod-shaped lenses (6), imaged by means of the rod-shaped lenses (6), and incident on at least a region of the light-sensitive in-line pixel array (7). The photosensitive in-line pixel array (7) may comprise a plurality of one-dimensional in-line pixel arrays (7a, 7b), each extending along the direction transverse to the transport direction (8) of the object (2), arranged parallel to each other and adjacent to each other. Each in-line pixel array (7a, 7b) may comprise a length transverse to the transport direction (8) of the object (2) that completely covers the object (2) to be captured.

The utility model discloses a photosensitive device with a lens shared by a photosensitive element and an image sensor, which belongs to the technical field of security and protection lenses and mainly structurally comprises a printed circuit board (PCB), the photosensitive element and a lighting element, the photosensitive element is welded on the PCB, and the image sensor is welded and fixed on the PCB, the photosensitive element and the image sensor are located in the lens, and the lens is of a closed structure to prevent foreign matters and impurities from contacting the image sensor or the photosensitive element. And the lens is aligned with the PCB provided with the photosensitive element and the lighting element. The back face of the PCB is installed on the substrate, the photosensitive element and the lighting element are welded and fixed to the front face of the PCB, and the lighting element is electrically connected with the photosensitive element. In use, when the environment is gradually darkened, the radiation area and intensity of light penetrating through the lens are reduced, at the moment, the lighting element is powered on, and the light is gradually brightened along with the increase of the voltage loaded on the photosensitive element, so that the lighting effect is achieved.

Apparatus for detecting defects in an anode or cathode for batteries. The anode or cathode includes a film of electrically conducting material coated on both of its opposite faces. The apparatus includes a controller and a device arranged along a transit path of the anode or cathode. The device includes a contact image sensor, a light beam splitter, a first illuminator and a second illuminator. The first illuminator directs first light beams onto the light beam splitter, which deflects the first light beams towards a first face of the anode or cathode. The second illuminator sends second beams of grazing light toward the first face. The controller drives the illuminators to emit the respective light beams in a synchronized and alternating manner. The contact image sensor captures images of the first face when illuminated and the controller detects the presence of defects based on the captured images.

The invention relates to an inspection device for image sensor-based inspection of an object (3) wherein the inspection device (1) comprises: a transport device for transporting a physical object (3) to be inspected along a transport path; an image sensor (6) with at least one image sensor (35) for scanning the object (3) at least section by section along a viewing direction (18) while the object (3) is continuously moved by the transport device along the transport path relative to the image sensor (6); and an illumination device for illuminating a surface of the object (3) to be inspected in a wavelength range detectable by the image sensor (6), so that the image sensor (6) can detect the surface at least section by section in such an illuminated surface area.The image sensor (6) comprises a number N, with N ≥ 1, of digital line scan cameras (7), configured individually or cumulatively as contact image sensors (CIS), each with a plurality of camera pixels (27) arranged in a line and each having a lens (28), and the lines of the N line scan cameras (7) run perpendicular to the transport path. The illumination device is configured to generate light for illuminating the surface of the object (3) to be inspected and to direct it along a beam path (24) whose direction coincides with the viewing direction (18) or deviates from it by no more than 30°.

A device for image recording includes a guiding device to guide an object in an object plane, a driving device to transport the object in the object plane in a transport direction contact image sensor including a light source for illuminating of the object, a light-sensitive line-pixel array arranged in a direction transverse to the transport direction in an image plane, a control device controlling the light source and / or the light-sensitive line-pixel array, an optical device arranged between the object plane and the image plane. The optical device includes and including a plurality of rod lenses. The optical device guides a light beam emitted from the light source and partially reflected by the object via at least the rod lenses to the light-sensitive line-pixel array and broadens a sampling area in the transport direction before the light beam incides at the light-sensitive line-pixel array.