40 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.

Recognizing magnetic ink characters in an automated teller machine and, more particularly, recognizing magnetic ink characters in an automated teller machine. Results of optical character recognition (OCR) are compared based on an image acquired through a contact image sensor (CIS) provided in an authentication unit and character-based waveforms of magnetic ink characters acquired through an MR sensor. Whether a bill is legitimate is authenticated, and thus correct reading of magnetic ink characters printed on a check is realized. The structure of the authentication unit can be simplified so that correct recognition of the magnetic ink characters printed on the check in a normal automated teller machine is supported without a high-resolution MICR sensor, and the cost of manufacturing the automated teller machine can be effectively reduced.

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 present disclosure provides a contact image sensor, the image sensor including a control unit (11), an illumination unit (12), a scanning unit (13), a data processing unit (14) and a data output unit (15), the control unit (11) configured to receive an output pulse from an encoder, the control unit (11) including a comparator (11_1), a register (11_2) and a sequence generating circuit (11_3), the comparator (11_1) comparing the output pulse with a predetermined scanning period stored in the register (11_2) and generating an illumination control signal. the sequence generating circuit (11_3) is configured to generate a scan trigger signal and determine an output trigger signal based on the output pulse; the illumination unit (12) is configured to illuminate the detection target based on the illumination control signal; the scanning unit (13) is configured to scan the detection target based on the scan trigger signal and obtain a scan signal; the data processing unit (14) is configured to process the scan signal and obtain an initial scan result; and the data output unit (15) is configured to obtain a target scan result based on the initial scan result and output the target scan result based on the output trigger signal.

The invention discloses a manufacturing method of a metal grating, which comprises the following steps of: performing first etching through a photoetching process, forming a first groove in a hard mask layer, forming the hard mask layer on a metal layer, forming the metal layer above an insulating layer, forming the insulating layer on the back surface of a wafer, and forming a CIS (Contact Image Sensor) on the back surface of the wafer, the metal layer is used for forming a metal grating of the CIS; etching for the second time, removing the hard mask layer and the metal layer below the first groove, forming a second groove in the metal layer, and exposing the insulating layer at the bottom of the second groove; wherein the second etching comprises a first stage and a second stage which are sequentially carried out, the reaction gas used in the etching process of the first stage comprises argon, and the reaction gas used in the etching process of the second stage comprises chlorine and oxygen. According to the manufacturing method of the metal grating provided by the embodiment of the invention, the probability of generation of the side digging defect of the interface of the metal layer and the oxide layer is reduced.

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 application provides an image sensing device, an image scanning device and a scanning method of the image scanning device. The image sensing device comprises an image sensing assembly for sterilizing and scanning a to-be-scanned object, and the image sensing assembly comprises a frame with a containing cavity and an opening communicating with the containing cavity; a contact image sensor for reading image information of the to-be-scanned object, the contact image sensor comprising a detection light source for emitting a detection light beam; and a sterilization module, the sterilization module and the contact image sensor being arranged in the containing cavity in sequence along a first direction, the sterilization module comprising an ultraviolet light source capable of emitting ultraviolet light to sterilize the to-be-scanned object. The technical scheme of the application solves the problem that the image sensing device in the prior art is difficult to fully sterilize the to-be-scanned object.

The present invention relates to an abnormality detection system configured to detect an abnormality on a surface of an object via a contact image sensor line scan camera, in which a capture speed is adjusted to a moving speed of the object, and acquired image data is analyzed using a machine learning model, and a processor to provide information on the detected anomaly on the user interface, information on the necessary action on the user interface, and a command on the necessary action, where the necessary action is based on the detected anomaly. The invention also relates to an anomaly detection method.

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 invention provides a multi-sensor data fusion positioning method for a portable printing and copying machine, which comprises the following steps of: 1, arranging a contact type image sensor at the bottom of the portable printing and copying machine, and acquiring a surface image of a scanning or printing medium; 2, at least two laser mouse sensors are arranged at the bottom of the portable printing and copying machine, or at least one inertial measurement unit IMU is arranged on the portable printing and copying machine; 3, at least one printing nozzle is arranged at the bottom of the portable printing and copying machine; 4, acquiring parameters between the contact image sensor arranged in the step 1 and the laser mouse sensor or IMU arranged in the step 2; step 5, acquiring space parameters between the contact type image sensor arranged in the step 1 and the printing nozzle arranged in the step 3; and 6, in an image scanning or printing task, positioning the portable printing and copying machine by utilizing the parameters among the sensors obtained in the step 4 and fusing the measurement data of the sensors arranged in the steps 1 and 2.

The invention discloses a contact type image sensor lens which comprises a lens array formed by combining a plurality of cylindrical lenses, and the cylindrical lenses enable a scanned object to form an upright image at the magnification of 1: 1; the cylindrical lens comprises a first convex curved surface and a second convex curved surface which are distributed along the light passing axis. The first convex curved surface and the second convex curved surface are located at the two opposite ends of the cylindrical lens. The lenticular lens is made of a uniform material. The technical problem that in the prior art, the cost is high due to the fact that a rod lens made of materials with gradually-changed refractive indexes is adopted to manufacture a contact type image sensor is solved.

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.

An inspecting machine for leathers includes a feeding unit for moving a leather along an advancement direction; a sensor unit for capturing images of the leather during movement and having contact image sensors arranged perpendicularly to the advancement direction of the leather; and a processing device for identifying geometrical features of the leather based on an analysis of sensor-provided images. The image sensors are staggered perpendicularly to the advancement direction of the leather so that the respective optical fields have corresponding first sections that are superimposed according to the advancement direction to capture first image portions of a same first portion of the leather at two different moments, and corresponding remaining sections for capturing second image portions of two other different portions of the leather adjacent to the first portions, the processing device combining the images captured by the image sensors based on an analysis of the first image portions.

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.

To improve accuracy of torque estimation using a contact image sensor.SOLUTION: A torque estimation method is provided, including: obtaining a sum total of moments at all measurement points obtained by multiplying divergence of displacement vectors of multiple measurement points displaced by an external force by moment arms from a reference point to the measurement points on an opposing surface facing a target object; and estimating torque in a direction inclined to the opposing surface.SELECTED DRAWING: Figure 4