Abstract: A detection system is described (100) for detecting luminescence sites on a substrate (6). The detection system (100) typically comprises an irradiation unit (102) for generating at least one excitation irradiation beam for exciting luminescence sites on the substrate (6). The at least one excitation irradiation beam may be a plurality of excitation irradiation beams. The detection system (100) also comprises a first optical element, e.g. refractive element (25), adapted for receiving at least two irradiation beams of different wavelengths or wavelength ranges, the at least two irradiation beams being excitation irradiation beam(s) to be focused on a substrate and/or luminescence irradiation beam(s) to be collected from the excited luminescence sites on the substrate (6). The detection system (100) also comprises an optical compensator for adjusting at least one of the at least two irradiation beams of different wavelengths or wavelength ranges so as to reduce or compensate for optical aberrations.

Abstract: A light scanning apparatus includes a deflector having an oscillation mirror that oscillates about an axis that is orthogonal to a main scanning direction. A detector detects a scanning light beam deflected by the oscillation mirror and moving in a scanning region. A controller adjusts the amplitude of the oscillation mirror based on a detection signal outputted from the detector, and stops driving the oscillation mirror when the detection signal is not outputted from the detector.

Abstract: A computer-readable medium having computer-executable instructions for performing a method. The method includes determining the transformation of an origin of an imaging device positioned in a vehicle and implementing exponentially stabilizing control laws based on the determined transformation and a distance to an imaged target. The method also includes generating a rotation output from the exponentially stabilizing control laws, generating a zoom output from the exponentially stabilizing control laws, determining a system latency in redirecting an optical axis and modifying a lens system along the optical axis, and determining the transformation of the origin of the imaging device with respect to global coordinates. A centroid of the target image is maintained within a selected distance from the origin of the imaging device. The apparent distance between the imaged target and the imaging device is also maintained.

Abstract: This invention makes it possible to prevent any uneven density and degradation in resolution in reciprocal laser scanning using a movable mirror. An image forming apparatus forms an image on a photosensitive member by scanning the photosensitive member with a laser beam reflected by a movable mirror with reciprocating the movable mirror whose rotation angle is changeable in accordance with an electrical signal. The apparatus detects the rotation direction of the movable mirror, and weights, on the basis of the rotation direction, image data of two lines along the sub-scanning direction in correspondence with the ratio of the scanning length after the start of laser write for a line of laser scanning to compensate the image to be formed using the movable mirror.

Abstract: A rotary laser (1) has a laser beam unit (7) which is suitable for emitting at least one laser beam (2) rotating in a beam plane (E) and which is controlled by computer (9) so as to be switchable from a rotating operating mode (I) in which the at least one laser beam (2) rotates in the beam plane (E), to a scanning operating mode (II) in which the at least one laser beam (2) scans in the beam plane (E) within an angular sector (?), and a plurality of detectors (10) distributed circumferentially around an axis of rotation (A) and which are sensitive to an amplitude at least within the beam plane (E) and are connected to the computer (9).

Abstract: In a light (optical) beam steering/sampling system, a matrix inversion control technique is used to decouple the operation of the actuators which drive the steering mirrors. The control technique uses two virtual variables, each having an associated independent feedback loop operating in a non-cross-coupled manner, each variable being associated with one of the two steering mirrors.

Abstract: A scanner optical module has a single transmission axle used to support a scanning module (containing a traditional optical device or CIS). The scanning module has a plurality of protrusions (or rollers) slidably (or rotatably) contacting the transparent document platform (view). The scanner optical module has fewer assembled components, a simpler structure, a decreased material cost and production cost, and is modular.

Abstract: An optical scanning device includes a beam generating unit configured to generate a beam of light, a scanning unit with a plurality of scanning planes configured to deflect the beam of light generated by the beam generating unit and cause the beam of light to scan an image carrier in a main-scanning direction, a micro mirror configured to deflect the beam of light generated by the beam generating unit and thereby enable the deflected beam of light to fall on the scanning unit, a position detecting unit configured to detect a position of the beam of light deflected by the micro mirror, an input voltage control unit configured to control an input voltage value for inclining the micro mirror and thereby causing the beam of light to deflect, and an input voltage determining unit configured to control the input voltage value controlled by the input voltage control unit.

Abstract: A method for optically detecting the position of a moveable test object (10), especially a mirror or reflector, in which a measuring beam (6) produced by a light source (2) is reflected by the test object (10 and reaches a position-sensitive light detector (12) which carrier out a conversion into information corresponding to the position of the test object (10). The invention enables the position of mirrors, especially rotating mirrors, to be quickly measured optically using a simple optical construction. The measuring beam (6) is focused onto the light detector (12) by an optical system (8). A signal corresponding to the geometric center or the maximum (I0) of the intensity distribution of the focused measuring spot is determined based on the measured values obtained by the light detector (12).

Abstract: A radar device includes a light projecting part that generates laser light, a light projecting lens that converges the generated laser light to form a beam, a reflective mirror for reflecting the converged beam to project it in a specified search direction and for reflecting returning light from this search direction, a light receiving lens for converging the returning light reflected by the reflective mirror, and a scanning part for moving the beam in a scanning manner. There are two light receiving parts which are different in photosensitivity, and a synthesizing part outputs a synthesized signal formed by synthesizing output signals from these two light receiving parts.

Abstract: A method for measuring the range to multiple points on a surface by projecting a line of light onto the surface, imaging said line of light onto a photodetector, computing the centroid of said line of light, computing quality factors for each computed centroid and encoding the quality factors as one or more bits in the centroid value, transmitting said centroid value to a data receiver, and computing the range to the surface for each point corresponding to each centroid value.

Abstract: A light scanning apparatus makes a light beam scan along a main scanning direction on an effective scanning region having a predetermined width. A deflector includes an oscillation mirror which deflects the light beam and makes the light beam scan a second scanning range which contains but extends beyond a first scanning range corresponding to the effective scanning region A detector detects the scanning light beam which moves through a position outside the first scanning range but within the second scanning range, and outputs a detection signal A controller drives the oscillation mirror based on the detection signal and accordingly adjusts the amplitude of the oscillation mirror, and stops driving the oscillation mirror when the detection signal is not outputted from the detector even though a light source is turned on to emit the light beam.

Abstract: In a method for correcting pixels of an x-ray image data set, an x-ray exposure of a subject is acquired with an x-ray device that uses a storage film having a luminescent storage material layer serving as a radiation detector. The sensitivity of the luminescent storage material layer changes dependent on the accumulated x-ray radiation dose to which the storage layer has been exposed. After acquiring the x-ray exposure, the storage film is readout with a readout device and an x-ray image data set is generated that corresponds on a pixel-by-pixel basis with the x-ray exposure. Each pixel of the x-ray image data set is corrected with a correction value allocated to the corresponding pixel in the x-ray exposure, the correction value being adapted to the accumulated x-ray radiation dose to which the region of the storage film, containing the corresponding pixel, was exposed prior to acquiring the x-ray exposure.

Abstract: A limited rotation motor optical scanning system is disclosed that includes a limited rotation motor scanner, a digital controller servo system, a position feedback unit, a wide angle compensation unit, a digital processor, and an adjustment unit. The limited rotation motor scanner element is adapted for directing an energy beam to at least one location within a field of view. The digital controlled servo system is adapted for controlling motion of the limited rotation motor scanner element in accordance with a servo command waveform. The position feedback unit is for providing a position feedback signal indicative of a rotational position of the limited rotation motor scanner element. The wide angle compensation unit is for receiving the position feedback signal and for providing a boost signal that is representative of a boost factor that compensates for torque constant variation with the rotational position of said limited rotation motor scanner element.

Abstract: An optical-scanning apparatus is disclosed. In at least one embodiment, the optical-scanning apparatus includes a light deflector to deflect a beam from a light source; and an optical housing including a scanning-image optical system to focus the beam to scan a photo conductive photo receptor therewith as a light spot. The optical housing includes a collection member to collect particulate materials. The collection member includes a structure combining or overlapping plural sheet-shaped members, each including a highly-chargeable electrostatic absorption filter. Alternatively, the collection member includes an electrostatic absorption filter and a breathable sheet-shaped member covering almost all the surface of the electrostatic absorption filter.

Abstract: A method and apparatus for sending information to a data processing apparatus for identifying a document to share with a recipient. A handheld device is capable of communicating with the data processing apparatus. Information is captured from the document and stored in the handheld device as document data. A communications path is established between the handheld device and the data processing apparatus. The document data is sent to the data processing apparatus through the communications path. Reference documents are provided. Each reference document has reference data stored in a memory. At least a portion of the received document data is extracted as scanning data. The reference data is retrieved from the memory. The scanning data is compared with the reference data. When the scanning data matches at least a portion of the reference data of one of the reference documents, the one reference document is selected as the identified document for forwarding to the recipient.

Abstract: Light beams emitted from a plurality of light source devices are deflected by a shared light deflector. The light beams are respectively concentrated on different scanning subjects using a first scanning lens and second scanning lenses and are used to perform a scan. All light beams make an angle in a sub-scanning direction to a normal line of a reflecting surface of the light deflector. An incidence surface of the first scanning lens is a surface of which a curvature in the sub-scanning direction changes depending on a main scanning direction. The incidence surface of the first scanning lens is also an optical surface of which a negative refracting power becomes stronger toward a periphery of the surface in the main scanning direction.

Abstract: An optical beam scanning device including a plurality of optical elements that are arranged on a housing and give a plurality of scanning lines to a plurality of photoconductor drums with an interval L is provided. Optical characteristics are designed so that intervals of the beams in the sub-scanning direction are shifted only by ?(?H?2×?F+?S)×L+?H×BP per unit temperature, where linear expansion coefficients of the housing, a frame for locating the photoconductor drums and a shaft, which is used for driving a belt or a recording medium carried on the belt on which images developed on the photoconductor are overlapped, are designated by ?H, ?F and ?S, respectively, and an interval between light beams positions on surfaces to be scanned in a sub-scanning direction as an optical path reflection is expanded by mirrors from a deflecting surface to the surfaces to be scanned is designated by BP.

Abstract: Provided is a light scanning apparatus, including a light source, a light source controller to control an on/off operation of the light source, a light deflector deflecting light emitted from the light source, an image formation optical system to direct light deflected by the light deflector on a scan area of a to-be-scanned surface, a synchronous signal detector to receive the light emitted from the light source and to detect a synchronous signal for light scanning, and a light path changer changing a path of light emitted from the light source and incident upon the light deflector.

Abstract: The invention relates to an optoelectronic detection device, especially a laser scanner, comprising a transmitting device for transmitting preferably pulsed electromagnetic radiation, also comprising at least one receiving device which is associated with the transmitting device and at least one deflection device which is used to guide radiation which is transmitted by the transmitting device into a monitoring area and radiation which is reflected by the monitoring area to the receiving device. The transmitting device comprises several, preferably two, separate transmitting modules which respectively transmit radiation along a specific transmission path.

Abstract: An optical beam scanner includes a driving unit rotating a rotary polygon mirror that deflects and scans an optical beam; a rotation position detection unit; a rotation control unit controlling the driving unit in accordance with a rotation reference signal and an output signal of the rotation position detection unit; an optical beam detection unit detecting the optical beam at a predetermined position on a scanning path so as to generate a horizontal synchronizing signal; a first timing generation unit generating a first reference timing so as to print a first surface; a second timing generation unit generating a second reference timing so as to print a second surface; a timing measurement unit measuring a counter value according to the horizontal synchronizing signal; and a phase control unit controlling a phase of the rotation reference signal in accordance with the counter value obtained by the timing measurement unit.

Abstract: A rotary laser apparatus includes a light-projection section configured to irradiate at least two fan-shaped beams extending in a fan-shaped form in a direction orthogonal to a rotary axis. The light-projecting section includes a laser beam source for generating a laser beam in a direction of the rotary axis, and a rotation-irradiating section configured for irradiating the laser beam from the laser beam source in directions orthogonal to the rotary axis. The rotation-irradiating section includes a plurality of penta prisms and a beam splitter. The plurality of the penta prisms are arranged in the direction of the rotary axis depending upon the number of the fan-shaped beams such that light-emitting directions of the respective penta prisms differ from each other or one another, and the beam splitter is configured to the laser beam as required the penta prism arranged above.

Abstract: A confocal microscope including a first condenser optical system that condenses light from a light source onto a sample; a pinhole member having a pinhole; a second condenser optical system that condenses light from the sample into the pinhole; a polygon mirror having a plurality of mirror surfaces achieving angles relative to a rotational axis different from one another and formed so as to surround the rotational axis in a full circle, which is disposed between the first condenser optical system and the pinhole; and a first optical system that separates the light from the light source and the light from the sample and guides the light from the sample departing the polygon mirror to the pinhole.

Abstract: It is an object of the present invention to provide an optical beam scanning device and an image forming apparatus which suppress displacement of plural images formed by a different photoconductor in a sub-scanning direction by means of a simple structure even if temperature changes. The optical beam scanning device of the present invention has a single light deflecting device, a pre-deflection optical system that allows light beams from a plurality of light sources to enter the light deflecting device, and a post-deflection optical system including a first optical element for imaging reflected light beams from the light deflecting device on surfaces to be scanned for respective light beams. A second optical element, which has a positive or negative power opposite to a power of the first optical element in a sub-scanning direction, is provided in a position of the pre-deflection optical system where the light beams passes commonly and the light beams enter with distance in the sub-scanning direction.

Abstract: A light beam scanning device is disclosed that includes a light emission source to emit a light beam, a deflection part to deflect the emitted light beam in the main scanning direction, first and second light beam detection parts to detect the deflected light beam at first and second positions, respectively, outside an image area on the opposite sides thereof in the main scanning direction, a time difference measurement part to measure the time difference between the light beam detections by the first and second light beam detection parts, and a control part to perform control so as to correct image magnification in the main scanning direction in the image area from the measured time difference. The control part performs control so that the condition of the amount of light at the time of detecting the light beam by the first and second light beam detection parts is constant.

Abstract: A multi-channel sensor is provided with sensor sections, each of the sensor sections reflecting or transmitting light, whose physical characteristics vary for different kinds of samples. Each of samples is supported by one of the sensor sections. A scanning mirror scans the sensor sections of the multi-channel sensor with measuring light. A scanning controller controls the scanning mirror and stores information, which represents scanning positions of the measuring light with respect to the multi-channel sensor. A detector receives reflected light or transmitted light, which is radiated out from each of the sensor sections when each of the sensor sections is scanned with the measuring light. The detector thus detects the physical characteristics of the reflected light or the transmitted light.

Abstract: A scanning method for optical scanning of a body includes illuminating the body by a lighting unit and a light receiver unit receives light transmitted from the lighting unit to the body and reflected by the body so that a scanning zone of a scanning unit is defined by the lighting unit and the light receiver unit. Two scanning units each having a scanning region are used, which overlap at least in part in an overlap zone, and at least when the surface of the body is in an overlap zone, the scanning sensitivity of at least one of the scanning units is reduced at least for the overlap zone. At least one scanning unit is used which is configured and/or arranged such that it can scan a part of the body which is as large as possible. A scanning apparatus is also provided for carrying out the scanning method.

Abstract: A scanning system for a printer or scanner that has a beam source that produces a light beam at a point of origin and has a scanning mirror that sweeps the light beam from a position “A” to a position “B.” A lens receives the light beam from the scanning mirror and directs the light beam as a scanning beam to an image plane surface. A first synchronizing mirror intercepts and reflects a light ray to a photo detection system when the scanning beam is at a position “A?” that is in the vicinity of position “A” and between position “A” and “B”. A second synchronizing mirror intercepts a light ray when the scanning beam is at a position “B?” that is in the vicinity of position “B” and between position “A” and “B”, and reflects the light ray to a folding mirror that reflects the light ray to the photo detection system. In some configurations two photo detection systems are used in lieu of the folding mirror.

Abstract: Provided is a light scanning apparatus, including a light source, a light source controller to control an on/off operation of the light source, a light deflector deflecting light emitted from the light source, an image formation optical system to direct light deflected by the light deflector on a scan area of a to-be-scanned surface, a synchronous signal detector to receive the light emitted from the light source and to detect a synchronous signal for light scanning, and a light path changer changing a path of light emitted from the light source and incident upon the light deflector.

Abstract: A monolithic micro scanning device comprising multiple substrates; source of light for generating a light beam disposed on one of said substrates; and micro mirror disposed on one of said substrates for repetitively and cyclically moving light beam to scan insignia impregnated on a surface of different articles is described. More particularly, the scanning device comprises a combination of stacked dies in suitable form factor to optimize a system configuration and packaging.

Abstract: An apparatus and method for monitoring light beams comprising a reflector for passing at least partially through the beam to reflect a sample of the beam and at least one sensor arranged to receive the reflected beam sample for determining a characteristic of the beam sample. The reflector may be arranged to oscillate and the sensors may he arranged at substantially forty-five or ninety degrees to the axis of the incident beam.

Abstract: The temperature difference between an internal temperature and an external temperature which are detected by an internal temperature sensor and an external temperature sensor, respectively, is calculated. If the internal temperature is lower by not less than predetermined degrees than the external temperature and, hence, condensation on the surface of each optical component within a laser writing unit is highly likely, a motor is driven to rotate a polygonal mirror. During its operation the motor generates heat, which in turn transfers from a flange portion directly to a housing while heating air around the laser writing unit. Further, air within the housing is stirred by rotation of the polygonal mirror. In this way the temperature of the entire laser writing unit is raised.

Abstract: An optical scanning device, a correction method of the position of an image, an image display method, and an image display device able to improve a light projection efficiency and lower the electric power and able to reduce error of the projection image along with an increase in efficiency of light projection in an image display device for scanning by a one-dimensional image to generate a two-dimensional image are provided. In the image display device, a scanning means (2) scans in both an outgoing path and a return path direction to project the light. The image display device is provided with an angle sensor 16 for reading the angle of the scanning means (2) and a position sensitive detector (15) for detecting the position of the projection light.

Abstract: The present invention provides a photodetector for weak light that can release charge from the circuit without increasing capacity; the present invention being characterized by a photodetector for weak light that has a charge release means which permits the photodetector for weak light of the present invention to avoid increasing its capacity because it does not require a reset transistor integrated with the photodector, rather the charge reset means of the present invention lowers mounting capacity by removing itself from the circuit after it releases the charge.

Abstract: A scanning optical device including: a light source unit; a first optical element that inputs a light flux emitted from the light source unit to output the light flux; a second optical element that converts the light flux emitted from the first optical element into a longitudinal linear image in a main scanning direction; a deflection element that deflects the light flux emitted from the second optical element for scanning; a third optical element that guides the light flux deflected by the deflection element to a surface to be scanned; a synchronous detection element that obtains a synchronous signal; and a fourth optical element that guides the light flux from the deflection element to the synchronous detection element, in which the second optical element and the fourth optical element are independent of each other; and in the case where a point at which a main light beam traveling toward a scanning center on the surface to be scanned is deflected by the deflection element is assumed as a reference point, t

Abstract: According to an aspect of the present invention, a light beam scanning apparatus comprises light emitting unit for emitting a light beam, scanning control unit for controlling scanning of the light beam, light quantity detecting unit for detecting the quantity of light in the light beam, light quantity control signal output unit for outputting a light quantity control signal that performs control such that the quantity of light in the light beam is kept fixed on the basis of a result of detection of the quantity of light in the light beam, and light emission control unit for controlling a light emission timing for the light beam on the basis of image data and controlling the quantity of light in the light beam on the basis of the light quantity control signal while the light emission timing is being controlled.

Abstract: A wide field of view imaging system (100). The novel system (100) includes a rotating mirror (18) having two reflective surfaces each surface, respectively, reflecting light from a scene to first and second sensors (10, 12) positioned to receive light from the mirror (18), wherein the first and second sensors (10, 12) each occupy a different portion of the volume surrounding the mirror (18). In the illustrative embodiment, the mirror (18) is a flat, double-sided mirror rotating at a constant velocity about an axis parallel with the surface of the mirror (18). The first and second sensors (10, 12) are all-reflective optical systems, with the first sensor (10) opposite the second sensor (12). In the preferred embodiment, the invention further includes third and fourth opposing sensors (14, 16) clocked 90° from the first and second sensors (10, 12).

Abstract: The invention relates to a laser scanning apparatus, in particular for distance determination, comprising a transmission unit which has a pulsed laser for the transmission of a light beam into a zone to be monitored, comprising a light deflection unit to deflect the light beam transmitted by the pulsed laser into the zone to be monitored, comprising a reception unit for the reception of light pulses which are reflected by an object located in the zone to be monitored, and comprising a front screen which transmits the light beam and which separates the transmission unit, the reception unit and the light deflection unit from the surroundings of the laser scanning apparatus, with at least one optical element being provided which splits off a part beam from the transmitted light beam and deflects the part beam to a photo-detector for a measurement of the transmission of the front screen.

Abstract: A multiple-beam scanning device of the present invention includes a light source unit provided with a plurality of light sources. A deflector deflects, in the main scanning direction, light beams issuing from the light sources. Optics condenses the light beams deflected by the deflector with optical devices having power in the subscanning direction main scanning direction, respectively, in such a manner as to establish a preselected beam spot diameter, and returns an optical path with at least one mirror for thereby scanning a subject surface. An adjusting device provides, in a plane formed by scanning lines deflected by the deflector, one of the optical devices with ? eccentricity about the center of an optical axis in the direction of the optical axis.

Abstract: A system for detecting fluorescence emitted from a plurality of samples in a sample tray is provided. The system generally includes a plurality of lenses positioned in a linear arrangement, a linear actuator configured to translate the plurality of lenses, an excitation light source for generating an excitation light, an excitation light direction mechanism for directing the excitation light to a single lens of the plurality of lenses at a time so that a single sample holder aligned with the lens is illuminated at a time, and an optical detection system for analyzing light from the sample holders. In certain embodiments, the optical detection system includes a light dispersing element configured to spectrally disperse the light from the sample holder being illuminated, and a lens element configured to receive light from the light dispersing element and direct the light onto a light detection device.

Abstract: A system and method are disclosed which provide a look-down digital imaging device capable of scanning a calibration area included within such look-down digital imaging device to capture image data for the calibration area and calibrate itself based on analysis of such captured image data. More specifically, a preferred embodiment includes a calibration area that is integrated internally within the look-down digital imaging device. When performing calibration in such a preferred embodiment, the scan head of the look-down digital imaging device is operable to align itself with the calibration area to allow for a scan of the calibration area (i.e., the capture of digital image data of the calibration area). In one embodiment, a look-down digital imaging device does not achieve a focused scan of the calibration area, but is capable of utilizing captured unfocused digital imaging data for calibration.

Abstract: A movable light beam is controlled and set within a tolerable range of a beam position A by using a galvano-mirror, and then a circuit offset relating to the beam position A is measured. With the circuit offset being subtracted, the movable laser beam is exactly controlled and set at the beam position A, and an output value DA from a sensor at that time is stored. Subsequently, an output value DB from the sensor is similarly stored in connection with a beam position B. An ultimate beam position of the movable laser beam M is controlled such that a difference between the output values DA and DB coincides with a difference between an output value DS of the sensor with respect to a stationary laser beam S and an output value DM of the sensor in connection with the movable laser beam M.

Abstract: An optical system for receiving an incoming beam of electromagnetic radiation, for dividing it into a transmitted beam, containing a part of the wavelength band of the incoming beam, and a reflected beam, containing the remainder of the wavelengths in the incoming beam, and for transferring the transmitted beam continuously to a detector. The system is capable of switching the reflected beam between any one of two or more detectors. The system comprises an objective lens, a dichroic beamsplitter cube, a first detector, capable of detecting radiation in a first wavelength band, a second group of two or more detectors, each capable of detecting radiation in a second wavelength band and means of rotating the dichroic beamsplitter cube, so as to switch between the detectors of the second group.

Abstract: An apparatus for disinfecting a fluid includes a tube connected with a source of the fluid. The tube allows the fluid to be transported from the source to a discharge. An ultraviolet lamp is positioned adjacent the tube, and is adapted to transmit light waves through the fluid. The tube can be a coiled tube having one or more coils thereby forming a helical tube. Each coil of the helical tube has an inner diameter and an outer diameter. The inner diameters of the coils define a space or opening. The ultraviolet lamp is positioned within the opening. A fluid passing through the coils of the tube are exposed to the ultraviolet light. The method of the invention includes moving water from a source to a discharge, through the tube while the lamp is activated. Water will become disinfected as it is exposed to the ultraviolet light of the lamp.

Abstract: A carrier device for a contact image sense optical scanner. The carrier device incorporates a pair of magnets with identical poles facing each other or a fluid filled sealed chamber for exerting an equal pressure on a scanning module within the scanner and maintaining close contact with a document platform throughout a scanning operation.

Abstract: A method and system is disclosed for facilitating the input of information into a computing device by a scanning means. A pocket scanner that has only the minimum components/parts therein and will not operate without being connected to the computing device that subsequently receives scanning signals therefrom. In particular, the disclosed scanner does not have a separate power supply to energize the components/parts to work.

Abstract: Methods and apparatus for analyzing nonoperational data acquired from optical discs, and in particular, trackable optical discs having concurrently readable nonoperational structures are provided. Analysis can involve identifying patterns in the data that reproducibly distinguish underlying structures, or identifying patterns in the data that report physical properties of the nonoperational structures. When an optical disc has a plurality of physically nonidentical concurrently readable nonoperational structures, analysis can involve identifying patterns in the data that distinguish among the physically nonidentical nonoperational structures. Also, relative physical locations of nonoperational structures on the disc can be calculated. A system for remotely analyzing data in order to expedite complex data analysis and reporting the results thereof is also provided.

Abstract: A system and method for measuring the profile of an external surface of a part is provided. The system includes a source of light that directs light onto a region of the external surface of the part. The system also includes a linear, light-sensitive sensor, and a lens used to image locations within the region onto the sensor. The source of light and the sensor are located substantially within the same plane such that the sensor detects substantially only light scattered, diffracted, or reflected from the region and travelling substantially within the plane. The system additionally includes a re-positionable mirror that re-directs the light emitted from the source of light to the plurality of locations within the region and re-directs light scattered, diffracted, or reflected from the plurality of locations within the region to the lens and the sensor.

Abstract: In one embodiment, an apparatus for scanning a beam of light in a digital image recorder includes a curved writing surface translating in at least one direction relative to a stationary frame, a rotatable shaft having a first reflective surface not translating in the at least one direction relative to the stationary frame, and a light source emitting a beam of light directed to the reflective surface for reflection to the curved writing surface.

Abstract: A device for a motor vehicle includes at least one laser sensor. The laser sensor includes a device configured to sweep a scanning area with at least one laser beam emitted by the laser sensor and a power supply device for the laser sensor. In a method for operating a laser sensor in a scanning area with at least one laser beam, the power of the laser beam emitted by the laser sensor is varied in accordance with its direction of radiation.