Abstract: An optical information detecting apparatus is formed as an integrated, solid state monolithic structure. The monolithic structure includes a plurality of light sensors disposed on a substrate and electrically isolated from one another, a plurality of light emitting elements disposed on the substrate and electrically isolated from one another, the light sensors being optically isolated from the light emitting elements, and a circuit connected to the light emitting elements to generate light towards a target and connected to the light sensors to detect reflected light from the target, wherein a signal is generated in response to the detected light. The signal is indicative of an optical characteristic of the target.

Abstract: A host device is configured to (i) establish a point-to-point connection with a barcode reader via a point-to-point communication interface, (ii) determine that the barcode reader is in a state wherein executable instructions necessary for providing decoded data to the host device are not present within memory of the barcode reader, (iii) use the network interface to connect to a configuration server and to receive, from the configuration server, executable instructions required for the barcode reader to be capable of providing the decoded data to the host device, (iv) provide the executable instructions to the barcode reader via the point-to-point connection, and (v) receive from the barcode reader, via the point-to-point communication interface, the decoded data only after the executable instructions have been loaded to volatile memory of the barcode reader.

Abstract: An identification code-based three-dimensional interactive technique includes acquiring an image including an identification-coded real object, the image being taken by video-capable equipment, identifying an identification code from the identification-coded real object, obtaining object information corresponding to the identification code, acquiring a reference image associated with the identification code and feature points of the reference image, obtaining a position, an orientation, or a combination thereof on the video-capable equipment relative to the identification-coded real object based on the reference image and the feature points of the reference image, and conducting a three-dimensional interaction based on the position, the orientation, or a combination thereof of the video-capable equipment relative to the identification-coded real object and the object information corresponding to the identification code.

Abstract: An image reading apparatus, including: a light source; a reflection member changing a traveling direction of the light reflected from an original; an optical system imaging the light; a photoelectric converter receiving the light from the optical system to convert the light into an electric signal; and a light passing and blocking member disposed between the optical system and the photoelectric converter, and provided with an aperture through which the light from the optical system imaged on the photoelectric converter passes, the blocking member blocking non-convergent light which is not imaged on the photoelectric converter, wherein the blocking member has an inclined surface surrounding the aperture so that the aperture gets smaller from the optical system toward the photoelectric converter, and a hypothetical extension plane extending from the inclined surface toward the photoelectric converter intersects with an optical axis of the optical system without intersecting with photoelectric converter.

Abstract: A machine-readable symbol reader can include a housing, a window, an illumination source, a wedge-shaped optical element, and a sensor array. Illumination can be coupled into the optical element through a base surface of the optical element and out of the optical element through a leg surface of the optical element. Illumination beams coupled out of the optical element through the leg surface can be parallel or substantially parallel to one another, and can exit the machine-readable symbol reader at a grazing angle to illuminate a machine-readable symbol at a grazing angle.

Abstract: A pair of overhead mirror portions splits a field of view of an imager into first and second subfields of view. An illuminating assembly is energized to illuminate a target. A first part of the imager is exposed to capture return illumination light from the target passing through a horizontal window of a workstation over the first subfield of view, and a second part of the imager is exposed to capture return illumination light from the target passing through the horizontal window over the second subfield of view.

Abstract: An add-on device for an image scanner for scanning barcodes is provided. The add-on device includes a housing mounted to the standard range lens front on an image scanner, and a lens holder. The lens holder has a first position for holding a first lens, a second position being an aperture, and a third position for holding a second lens. A high-density lens is mounted in the first position. An extended range lens is mounted in the third position. The lens holder is mounted in the housing and is transverse to the optical axis of the standard range lens of the image scanner. Further, the lens holder is movable within the housing in order to alternately position the high-density lens, the aperture, and the extended range lens to be in alignment with the optical axis of the standard range lens of the image scanner.

Abstract: Mechanisms for validating the authenticity of an item. A reader device records authentication data that is obscured in a label. The authentication data is provided to a remote authentication server via a network. The reader device receives, from the remote authentication server, an authentication response based on the authentication data. Based at least in part on the authentication response, the reader device displays an indication that identifies whether the item is authentic.

Abstract: A projector includes a recognition section adapted to recognize an image to be drawn and a drawing area in which the image is drawn based on a trajectory of a symbol written to a projection surface, an acquisition section adapted to acquire image data representing the image recognized by the recognition section, and a drawing control section adapted to perform control so that the image represented by the image data acquired by the acquisition section is drawn in the drawing area of the projection surface recognized by the recognition section.

Abstract: There is described a system and method for automatically discriminating between different types of data with an image reader. In brief overview of one embodiment, the automatic discrimination feature of the present image reader allows a human operator to aim a hand held image reader at a target that can contain a dataform and actuate the image reader. An autodiscrimination module in the image reader in one embodiment analyzes image data representative of the target and determines a type of data represented in the image data.

Abstract: A microscope includes a multi-wavelength emitting laser light source. A microscope objective is configured to receive and expand input light emitted from the light source, and a dichroic mirror is configured to reflect the expanded input light. A micro lens array with a plurality of micro lenses splits the reflected and expanded input light onto a fluorescence producing sample. A lens collectively captures the fluorescence for each micro lens in the plurality of micro lenses, and a camera receives the fluorescence from the lens and produces an image of the sample based on the received fluorescence.

Abstract: An electronic device including a casing, a control module, a micro-projecting unit and a motion sensing unit is provided. The control module is disposed in the casing. The micro-projecting unit is disposed on the casing and electrically connected to the control module. The micro-projecting unit is capable of projecting a projection beam to form a frame in a projection region. The motion sensing unit is disposed on the casing and electrically connected to the control module. The motion sensing unit is capable of sensing a motion in the projection region. The control module is capable of applying the motion sensed by the motion sensing unit to change the frame.

Abstract: A point of sale system capable of operating in an indicia-reading mode or a verification mode is disclosed. In the indicia-reading mode, the point of sale system configures its illumination, imaging, and processing to read indicia as part of a normal checkout process. If triggered by a user or by an event, the point of sale system may operate in a verification mode. In the verification mode, the point of sale system enables the necessary illumination, imaging, and processing to verify an item. This verification includes illuminating the item in a way that causes a noticeable response from a security mark (or marks) on the item. An image of the response may be captured and processed to authenticate/verify the item. The point of sale system may then respond to the verification and/or may store the image/results as a record of the verification.

Abstract: A data-bearing medium has an array of data-bearing elements. The array of data-bearing elements represents an array of bits. A certain number of the bits repeat within the array of bits. Positions of the bits in each row of the array of bits are circularly shifted from positions of the bits in an immediately preceding row.

Abstract: An LED wafer includes LED dies on an LED substrate. The LED wafer and a carrier wafer are joined. The LED wafer that is joined to the carrier wafer is shaped. Wavelength conversion material is applied to the LED wafer that is shaped. Singulation is performed to provide LED dies that are joined to a carrier die. The singulated devices may be mounted in an LED fixture to provide high light output per unit area.

Abstract: A method of predicting the location of a region of interest within an image of a scannable object comprising providing a scanner having a processor and an image sensor; sensing in a viewing direction toward a scannable object, with an imaging plane being perpendicular to the viewing direction; capturing an image of the scannable object with the image sensor; sensing motion of the scanner within a motion sensor plane relative to the scannable object, the motion sensor plane being parallel to the imaging plane; outputting a velocity and a movement direction corresponding to the velocity; locating a region of interest in said captured image in response to the velocity and the movement direction; and scanning the captured image beginning with the region of interest.

Abstract: A compact optical arrangement splits the field of view of an upwardly-looking imager into a plurality of intersecting subfields along which return light from a target passes through and past an upright window to the imager. A top mirror is positioned along a vertical axis directly above the imager. Overhead mirror portions located between the imager and the top mirror are spaced radially apart to enable the return light reflected by the top mirror to bypass the overhead mirror portions and pass unobstructedly directly to the imager along a central subfield. A plurality of side fold mirrors reflects the return light passing through the upright window to the overhead mirror portions. The overhead mirror portions are positioned apart to enable the return light reflected by the side fold mirrors to pass to the imager along a pair of outer subfields.

Abstract: An imaging sensor of an imaging reader senses return light from a target to be read by image capture along an imaging axis over a field of view that extends along mutually orthogonal, horizontal and vertical axes. Two aiming light assemblies are offset from the sensor, and direct an aiming light pattern at the target. The pattern has an aiming mark in a central area of the pattern, and a pair of aiming light lines that are collinear along the horizontal axis. The visibility of the aiming mark is enhanced by optically configuring the aiming mark to be different in brightness relative to a remaining area of the pattern by specially configuring aiming lenses with regions of different optical power to forte each aiming light line of non-uniform brightness. The aiming mark of enhanced visibility constitutes a prominent visual indicator of a center zone of the field of view.

Abstract: A method for testing an imaging subsystem of a system-on-a-chip (SOC) is provided that includes executing imaging subsystem test software instructions periodically on a processor of the SOC, receiving reference image data in the imaging subsystem responsive to the executing of the test software instructions, performing image signal processing on the reference image data by the imaging subsystem to generate processed reference image data, and using the processed reference image data by the test software instructions to verify whether or not the imaging subsystem is operating correctly.

Abstract: Methods for forming an identifying mark in a structure are described. The method is used in conjunction with an additive manufacturing method and includes the alteration of a process parameter during the manufacturing process. The method can form in a unique identifying mark within or on the surface of a structure that is virtually impossible to be replicated. Methods can provide a high level of confidence that the identifying mark will remain unaltered on the formed structure.

Abstract: An encoded information reading (EIR) terminal can comprise a microprocessor communicatively coupled to a system bus, a memory, a communication interface, and a pluggable imaging assembly identified by a type identifier and configured to acquire an image comprising decodable indicia. The imaging assembly can comprise a two-dimensional image sensor configured to output an analog signal representative of the light reflected by an object located within the field of view of the imaging assembly. The EIR terminal can be configured to output, by processing the analog signal, the raw image data derived from the analog signal and/or a decoded message corresponding to the decodable indicia. The imaging assembly can be communicatively coupled to the system bus via an imaging assembly interface comprising a plurality of wires and a multi-pin connector. The imaging assembly interface can comprise one or more wires configured to carry the imaging assembly type identifier.

Abstract: The depth camera includes a control module and a lighting module. The control module includes a control board, a control unit, a seat and a lens mounted on the seat. The lighting module is mechanically and electrically connected to the control module and includes a base board having a through hole for being passed by the lens and corresponding to the control board in position. A plurality of lighting units are symmetrically arranged on the base board and beside the through hole. A shade module is fastened on the base board and has a mount board and shades thereon. The bottom of each shade has an opening for receiving one of the lighting units.

Abstract: To measure the three-dimensional shape of a target object with higher accuracy, a three-dimensional shape measurement apparatus projects a pattern image to a predetermined measurement area including a support structure on which the target object is placed; and captures an image of the predetermined measurement area. In addition, the apparatus derives, based on the captured image, a first correction value for correcting a position fluctuation of a support structure, and a second correction value for correcting a fluctuation of a projection position; and calculates, based on the captured image and the first correction value and the second correction value, a plurality of coordinates on a surface of the target object.

Abstract: Disclosed systems and methods for a data reader operable to capture one or more images from items having a highly, or relatively highly, reflective surface. The data reader includes a controller/processor in operative communication with an imager and an illumination system, where the controller/processor is programmed to selectively operate the imager and the illumination systems to interleave the data reader between a first reading period for reading items having a surface with little or no reflectivity and a second reading period for reading items having a surface with high reflectivity. In some embodiments, the items with highly reflective surfaces may include electronic devices, such as mobile phones.

Abstract: An integrated image sensor and a camera lens apparatus comprising of an image sensor substrate, a camera lens mount, a lens barrel, a lens optical assembly and a collet. The camera lens mount comprises a first material, the lens barrel comprises a second material and the collet comprises a third material, the first, second and third materials change in length with a temperature change according to their respective coefficient of thermal expansion. The lens optical assembly comprises optical elements that cause a change in focal length with a temperature change according to a thermal optical coefficient. The first, second, and third material, the lengths of the camera lens mount, lens barrel, and collet, and the thermal optical coefficient of the lens optical assembly are such that the image plane is approximately stationary relative to the sensor surface in response to the temperature change.

Abstract: A system generates a secure barcode by: identifying a primary pattern for a two-dimensional barcode to be printed on a substrate, wherein the primary pattern comprises of a set of dark cells and a set of light cells; identifying a two-dimensional micro-shape, wherein the micro-shape has a size that is no larger than a size of each cell of the two-dimensional barcode; generating a secondary pattern comprising a plurality of the micro-shapes; and superimposing the secondary pattern with the primary pattern for the two-dimensional barcode to yield a secure barcode. The resulting two-dimensional barcode includes a primary pattern comprising a set of dark cells and a set of light cells, where the sets represent encoded data, along with a secondary pattern of micro-shapes that are superimposed with the primary pattern.

Abstract: A method and system for processing a handwritten response on a user-marked document having a response area and at least one image marker which includes a means for capturing a digital image of the user-marked response sheet and a computer having programming to perform steps including identifying spatial position information of the at least one image marker in the captured digital image, calculating position information of the response area in the captured digital image relative to the identified spatial position information of the at least one image marker, and identifying pixel-value data of the response area after the user creates marks on the user-marked response sheet.

Abstract: A host device is configured to (i) establish a point-to-point connection with a barcode reader via a point-to-point communication interface, (ii) determine that the barcode reader is in a state wherein executable instructions necessary for providing decoded data to the host device are not present within memory of the barcode reader, (iii) use the network interface to connect to a configuration server and to receive, from the configuration server, executable instructions required for the barcode reader to be capable of providing the decoded data to the host device, (iv) provide the executable instructions to the barcode reader via the point-to-point connection, and (v) receive from the barcode reader, via the point-to-point communication interface, the decoded data only after the executable instructions have been loaded to volatile memory of the barcode reader.

Abstract: A display control system disclosed herein includes a display device including a display surface for displaying an image, a plurality of first coding patterns representing positions on the display surface being provided to overlap on the display surface; an input unit including an input surface containing a plurality of second coding patterns different from the first coding patterns, the second coding patterns representing the positions on the display surface; and a reading device reading the first and second coding patterns. Each of the first coding patterns represents the position on the display surface where the corresponding first coding pattern is positioned, and each of the second coding patterns represents the position on the display surface associated with the corresponding second coding pattern.

Abstract: Methods of rapid distinction between growing cells and debris, which determine a time-lapse movie of specimen images, track features of each entity, and categorize each entity as growing cells or debris.

Abstract: A method of optimising at least one measure that is a quadratic function of a wavefunction, such as the spot size of a laser, the method comprising: superimposing a plurality of wavefunctions; determining a relationship between the superimposed wavefunctions and the quadratic measure, and using the determined relationship to identify the superimposed wavefunctions that provide a desired or optimised quadratic measure.

Abstract: It is an object to provide an information recording medium with which information symbols can be suitably read. This information recording medium comprises a sheet-form member (33), a plurality of information symbols (18) that are displayed on the surface of the sheet-form member (33) and each have the same information, and an edge line (34) that is provided at one end and/or the other end of the sheet-form member (33) and allows an information reading device which reads the information symbols (18) to recognize the end of the sheet-form member (33).

Abstract: A barcode scanner comprises a compensating light source, an image capturing module and a processor. The compensating light source is used to emit a compensating light. The image capturing module is used to capture an original image including an object and to capture a second image under the compensating light. The processor is coupled with the compensating light source and the image capturing module. The processor generates a depth information of the object according to the original image, controls intensity of the compensating light according to the depth information, controls the image capturing module to capture a second image when the compensating light source emits the compensating light, obtains a target information corresponding to a target object according to the depth information, obtains a target image by mapping the target information onto the second image, locates a barcode and analyzes an information of the barcode according to the target image.

Abstract: An optical power meter including a photodiode having a surface for receiving a beam of light, a thermo-electric cooler for maintaining the photodiode at a predetermined temperature, and a current monitor for measuring a drive current passing through the thermo-electric cooler allows dark current drift arising from a varying thermal gradient across the active region of the photodiode to be corrected, thus improving stability of the optical power meter. More specifically, by monitoring the TEC drive current, and applying a correction factor to the optical power readings, the stability of optical power readings is improved by an order of magnitude.

Abstract: An image pickup apparatus includes a plurality of pixels, a readout circuit configured to read out pixel signals from the pixels for each pixel row, an analog to digital (AD) converter configured to adjust an AD conversion gain depending on an output level of the readout circuit and to provide a signal from the readout circuit with an AD conversion to output image data, and a controller configured to control the AD conversion gain of the AD converter depending on a predetermined condition.

Abstract: A speed measuring apparatus for a conveyor line may include a lighting unit mounted to one side of the conveyor line with a bracket, a coupling module coupled to an upper side of the lighting unit, the coupling module having coupling portions formed on both sides of an upper side thereof, respectively, a camera having a lens unit mounted between the coupling portions to face downward for taking a picture of an image of the object on the conveyor line under operation, a lens rotation device having a motor mounted to end portions of, and between, the coupling portions for selective positioning of a magnifying lens matched to the lens unit of the camera as the motor may be driven, and a controller for controlling operation of the lens rotation device and comparing images taken by the camera at different times to determine a speed of the object.

Abstract: A flexible sheet of organic polymer material, may include a monolithically fabricated array of one or more types of cells juxtaposed among them to form a multi-cell sheet. Each cell may include a self consistent, organic base integrated circuit, replicated in each cell of same type of the array, and shares, in common with other cells of same type, at least a conductor layer of either an electrical supply rail of the integrated circuit or of an input/output of the integrated circuit. A piece of the multi-cell, sheet including any number of self consistent integrated circuit cells, may be severed from the multi-cell sheet by cutting the sheet along intercell boundaries or straight lines, with a reduced affect on the operability of any cell spared by the cutting.

Abstract: A method and apparatus for providing a mobile service with the use of a code pattern is disclosed. In one embodiment, the method comprising: taking a photograph of a code pattern image, decoding the photographed code pattern image so as to obtain code information, extracting uniform resource locator (URL) information corresponding to the code information, transmitting a content information request message to a service provider server corresponding to the URL information, and receiving content information corresponding to the URL information from the service provider server. According to embodiments of the present invention, it is possible to provide various and convenient mobile services to mobile terminal users using a mobile terminal, having a camera, and a code pattern containing the URL information.

Abstract: A data determination device includes a plurality of determination units that determine, based on respective different criteria, whether each of plural pieces of data included in a sequence of read data of a barcode represents either a first value or a second value, the plural pieces of data being output from a read unit in response to an instruction for reading the barcode, and a selection unit that selects, from a plurality of determination results obtained by each determination unit for the plural pieces of data, a plurality of determination results obtained by one determination unit based on a selection condition preset in accordance with a standard of the barcode, and outputs the selected plurality of determination results to a source of the instruction for reading.

Abstract: There is disclosed an authentication device (10) for authenticating a luminescent security mark, the device comprising: an illumination source (30) configured to irradiate the security mark with a pulse of excitation radiation so as to cause the security mark to emit luminescent radiation that decays with time; a radiation detector configured to detect the luminescent radiation emitted by the security mark; and an optical waveguide (22) positioned relative to the illumination source (30) and the radiation detector and configured so as to guide by internal reflection both excitation radiation emitted from the illumination source towards the security mark, and luminescent radiation emitted by the security mark towards the radiation detector.

Abstract: A data capture terminal for, and a method of, processing a plurality of data and a symbol arranged at spaced-apart locations on a target, such as a parcel delivery label, employ a solid-state imager having an array of image sensors for capturing return light from the data and the symbol on the target over a field of view, an actuator for actuating the imager to capture the return light from the data and the symbol on the target in a single actuation, and a controller operatively connected to the actuator and the imager, for processing the return light captured by the imager from the plurality of data and the symbol. The terminal is customized by a user program that advises the controller of user-selected parameters and conditions under which the processing of the return light is to be performed.

Abstract: A workstation electro-optically reads targets by image capture, and includes a housing, a generally planar window, an imaging module, and a generally planar fold mirror between the window and the module. The module has an illuminating light assembly for directing illumination light along an illumination path through the window at a target for return therefrom during reading, and an image sensing assembly for detecting return illumination light through the window along an imaging path over an imaging field of view during reading. The fold mirror folds the illumination and the imaging paths. The fold mirror and the window lie in planes that are substantially parallel to each other to prevent reflections of the illumination light off of the fold mirror and the window from entering the imaging field of view as virtual images that degrade target detection by the image sensing assembly.

Abstract: After capturing a barcode image, generate at least one sample line accordingly, acquire sample data of the at least one sample line, generate a first and a second reference lines, generate an upper bound and a lower bound according to the first and the second reference lines, generate a first curve by interpolating all sample points, generate a plurality of effective sample shapes of the first curve according to the upper bound and the lower bound, identify an internal point of each effective sample shape, generate a second curve by interpolating all internal points, and digitize the barcode image to binary data by comparing sample data with the second curve.

Abstract: A process is disclosed for scanning a graphic medium scan target. An image of the scan target is captured over an exposure duration. An illumination of the scan target is actuated over an illumination duration brief relative to the exposure duration. The illumination of the scan target is deactivated upon an expiration of the illumination duration. The capturing the image step continues over a significant portion of the exposure duration persisting after the expiration of the illumination duration.

Abstract: A fluorescence detection system is provided. The fluorescence detection system includes a light source adapted to emit excitation light; a sample unit in which a sample is disposed; a first optical fiber adapted to connect the light source to the sample unit; an avalanche photodiode array detector adapted to receive fluorescent light generated by the sample when the sample is irradiated with the excitation light; and a second optical fiber adapted to connect the sample unit to the avalanche photodiode array detector, wherein the second optical fiber has a numerical aperture of equal to or greater than about 0.15 and the second optical fiber is positioned such that a longitudinal axis of the second optical fiber is orthogonal to a longitudinal axis of the first optical fiber. A method for detecting fluorescence and a computer-implemented method for detecting fluorescence are also provided.

Abstract: Various devices and systems may benefit from enhanced reading of optical media. For example, certain computer systems may benefit from array reading of optical media. An apparatus may include, for example, an array of optical sensors. The array of optical sensors may be configured to read a plurality of parallel linear strips of data from an optical medium.

Abstract: A method of decoding a barcode includes determining number of barcode candidates in the image captured and processing the image captured in accordance with the number of barcode candidates found. If the number of barcode candidates is one, the image captured is processed to decode the only one barcode candidate in the image captured. If the number of barcode candidates is larger than one, the image captured is processed to find a barcode candidate that overlays with an aiming location between a first location and a second location on a scan line and to decode the barcode candidate that is found that overlays with the aiming location.

Abstract: A reader electro-optically reads symbols associated with products to obtain read data, and a controller decodes the read data to obtain symbol data indicative of the associated products. Reading performance is assessed by collecting time-to-decode metadata by determining each decode time period that is taken for each symbol data to be successfully decoded, by associating the collected time-to-decode metadata with the symbol data, by comparing the collected time-to-decode metadata with a predetermined long amount of decode time that is indicative of a slow reading performance, by storing each decode time period that at least equals said predetermined long amount of decode time, and by storing the symbol data associated with each stored decode time period.

Abstract: Apparatus for identifying and providing for the retrieval of information relating to an individual, comprises an adhesive layer and a machine readable device secured to said adhesive layer. The machine readable device is encoded with identification information. A first quantity of ink deposited on said adhesive layer is arranged to provide a physiologically perceptible and humanly understandable visual indication of information relating to set individual. The adhesive layer, the machine readable device and said first quantity of ink form an individual identification device. The machine readable device is secured to said adhesive layer further comprises a second quantity of ink deposited on said adhesive layer and arranged to provide a machine readable image.

Abstract: A tire code reader scans an automobile tire to capture an image of the tire code molded on the tire sidewall and associates it with the vehicle identification number (VIN) read by a bar code scanner also on the reader. Both tire code and VIN are uploaded to a control server and then to a cloud-based server that is programmed with optical character recognition software for reading the tire code and for accessing databases for information about that tire, such as re-call information, and the make, model and year of the automobile. The cloud-based server transmits a report back to the control server for printing a full report by a printer and to the tire code reader for display of the tire code.