Abstract: The present disclosure provides a camera assembly and a mobile terminal. The camera assembly includes a substrate, a lens, a photosensitive element, an infrared photosensitive sensor and an infrared filter. The photosensitive element, the infrared photosensitive sensor and the infrared filter are arranged between the substrate and the lens; the photosensitive element and the infrared photosensitive sensor are arranged on the substrate and are electrically connected to the substrate; the infrared filter is located at a side of the photosensitive element away from the substrate; infrared light entering through the lens is incident on the infrared photosensitive sensor. Since the infrared photosensitive sensor is integrated in the camera assembly, three functions of photographing, infrared detection and photosensitive detection can be achieved by arranging one hole on a housing of the mobile terminal.

Abstract: A system for performing ultrasonic procedures within a turbomachine. The system includes a bladder and a probe assembly. The bladder includes a bladder body for positioning within the turbomachine. Further, the bladder is inflatable to at least partially define an ultrasonic tank within the turbomachine for containing a fluid medium. The probe assembly includes an extension member and ultrasonic transmitter coupled to or positioned within the extension member. The extension member is insertable into the ultrasonic tank for positioning the ultrasonic transmitter within the ultrasonic tank.

Abstract: A 3D scanning system includes a base stand, two circular arc shaped support tracks, a mounting assembly for mounting the support tracks to the base stand with one or more degrees of rotational freedom, two sensor holders mounted on the respective support track for holding two depth sensors, and a drive mechanism for driving the sensor holders to move along the respective support tracks. The mounting assembly supports relative rotation of the two support tracks and pitch and roll rotations of the support tracks. To perform a 3D scan, a stationary object is placed in front of the two depth sensors. The sensor holders are moved along the respective support tracks to different positions to obtain depth images of the objects from different angles, from which a 3D surface of the object is constructed. Prior to scanning, the two depth sensors are calibrated relative to each other.

Abstract: An optical device includes an active optical component including an optical area, an encapsulant covering the active optical component, and a passive optical component adhered to the encapsulant above the active optical component. The passive optical component has an optical axis, and the optical axis is substantially aligned with a center of the optical area.

Abstract: A method for estimating distances from a baseplate to arbitrary objects or surfaces around the baseplate. Two laser emitters emitting converging collimated laser beams, an image sensor, and an image processor are provided on the baseplate. Images of the laser projections on surfaces are captured by the image sensor. Captured images are sent to the image processor which extracts the pixel data of the laser projections within the images. The distance between the laser projections of the two laser emitters is analyzed and compared to figures in a preconfigured table that relates distances between laser projections with corresponding distances of the baseplate to projection surfaces in order to estimate a distance of the baseplate to the projection surface in the images.

Abstract: The invention describes a dynamic control circuit (1) realized for connection in series with an LED arrangement (2), characterized by a first switching element (Q1) realized to provide a path for the LED current (ILED), and a monitoring arrangement (M) realized to control the first switching element (Q1) according to the level of the LED current (ILED) SO that the dynamic control circuit (1) presents a series impedance (Zdyn), which series impedance (Zdyn) gradually increases in response to a decreasing LED current (ILED) through the LED arrangement (2). The invention also describes a dimmable lighting arrangement (10) comprising an LED arrangement (2); a driver (3) realized to provide an input voltage (Vin) and an input current (ILED) to the LED arrangement (2); and such a dynamic control circuit (1) connected in series with the LED arrangement (2). The invention further describes retrofit LED light-bulb (100); and a method of driving an LED arrangement.

Abstract: Provided herein is an apparatus including an imaging lens assembly configured to collect reflected light from a surface of an article; an image sensor configured to receive reflected light from the imaging lens assembly, wherein the imaging lens assembly and the image sensor are each arranged at different angles for focusing on substantially an entire surface of an article; and a processing means configured to process signals from the image sensor corresponding to polarized reflected light and subsequently generate one or more features maps.

Abstract: A system for inspecting an object has at least one light projector and at least one camera jointly defining a field of view and a computer operatively connected thereto. The computer is configured to acquire object data representative of the outer surface of the object through projection of light thereon by the light projector and acquisition of return light by the camera. The object data relates surface points on the outer surface of the object to one or more source point of the light projector. The computer is further configured to generate inspection information data based on the acquired object data and project the inspection information data on at least some of the surface points of the outer surface of the object using the corresponding source points of the at least one light projector. A method inspects an outer surface of an object.

Abstract: A camera on a robotic arm end effector is used to locate a workpiece coordinate system transformation in rotation and translation with respect to the end effector coordinate system by successively measuring an offset between a target affixed to the workpiece and its expected location. The target reflects energy from a light beam provided by a light beam source. A beam splitter is used to align the light beam with a line of sight of the camera.

Abstract: A gap and height difference measurement module may include a mounting frame with a flange mounted on a first end thereof and a connecting frame mounted on a second end of the mounting frame, first and second housings mounted on both sides of the connecting frame respectively, a first light source mounted on a lower end of the first housing and emitting light onto the panels, a second light source mounted on a lower end of the second housing and emitting light onto the panels, first and second sensors respectively mounted on front ends of the first and second housings, and first and second filters that are respectively mounted to the first and second sensors so as to allow the first and second sensors to each extract straight-line elements from cross sections formed as the lights emitted from the first and second light are irradiated onto the panels.

Abstract: A combination of location measurement apparatuses to measure in three dimensions the location of an excavator with respect to a job site, and to further measure the location of an excavated or a topographical feature with respect to the excavator by range finding from the excavator in proximity of the feature and contemporaneously recording measurement data on a computer.

Abstract: An apparatus and a method for measuring three-dimensional shape of a wood block are disclosed. A planar light beam is projected by a light emitting device against a wood block rotatably supported on its tentative spin axis in such a way that two continuous lines extending parallel to the tentative spin axis for the entire block length are illuminated on the outer peripheral surface of the block. The block with the illuminated lines is photographed at a plurality of its angular positions by a imaging device. Based on data of the photographed line images, distances between the tentative spin axis and each of the illuminated lines on the outer peripheral surface of the block are computed at a plurality of cross-sections of the block along the tentative spin axis. Distances from the tentative spin axis to the outer peripheral surface of the block, including shapes of various irregularities on the surface of the block, are measured.

Abstract: A measuring device for measuring a distance between a reference mark and a target object is disclosed. The device includes a beam source, which is embodied as an electro-optical component and emits a laser beam along an optical axis, a detector, which is embodied as an additional electro-optical component and receives a reception beam reflected and/or scattered by the target object along an optical axis, a beam forming optics, which forms the laser beam and the reception beam along an optical axis, and a beam splitting optics, which deflects the laser beam or the reception beam. An optics carrier is provided with a first receptacle for mounting a first of the electro-optical components and a second receptacle for mounting the beam forming optics. The optics carrier is monolithic.

Abstract: A system for optical navigation includes a light source and an imaging system. The light source illuminates a navigation surface. The navigation surface reflects light from the light source. The imaging system is located approximately within a path of the reflected light. The imaging system includes a lens, a mask, and an image sensor. The lens receives reflected light from the navigation surface. The lens focuses a specular portion of the reflected light to a focus region. The mask is located at approximately the focus region. The mask filters out substantially all of the specular portion of the reflected light and passes at least some of a scatter portion of the reflected light outside of the focus region. The image sensor generates a navigation signal based on the scattered portion of the light that passes outside the focus region and is incident on the image sensor.

Abstract: A method of image-based positioning is provided. The method comprises: (A) providing an image-capturing device integrated with a focused-radiation source and a processor; the image-capturing device further comprises an image sensor; (B) capturing an image of an object located in a field of view (FOV) of the image-capturing device by using the image sensor; (C) directing a focused ray of radiation generated by the focused-radiation source to the object located in the (FOV) of the image-capturing device; (D) detecting at least one return signal generated by reflection of the focused ray of radiation from the object located in FOV of the image-capturing device by using the image sensor; (E) characterizing the object located in a field of view (FOV) of the image-capturing device by using each return signal; and (F) processing each return signal in order to determine a distance from the object located in the FOV to the image-capturing device.

Abstract: The invention relates to a control method for producing ground markings (M), with a reference beam generator (4) for determining a reference plane, a reception of the reference beams by means of an optical detector (3), wherein the position of an application unit (2) for the marking substance can be derived relative to the reference plane by using the received reference beams, a derivation of the orientation relative to the reference plane, and a control of an application of the marking substance to produce ground markings (M) according to the orientation. According to the method, the intensity in the solid angle covered by the reference beam is varied in time during the production of the marking.

Abstract: A control system for a motor vehicle includes: (a) at least one driving data sensor for acquiring driving data characterizing a driving state of the motor vehicle; (b) at least one camera for capturing images of the surroundings; (c) an accident recorder that can record the images of the surroundings in a buffer; and (d) an electronic controller for controlling the driving data sensor, the camera, and the accident recorder. The electronic controller is programmed to trigger an autonomous braking action of the motor vehicle based on driving data and/or images of the surroundings.

Abstract: A combination of location measurement apparatuses to measure in three dimensions the location of an excavator with respect to a job site, and to further measure the location of an excavated or a topographical feature with respect to the excavator by range finding from the excavator in proximity of the feature and contemporaneously recording measurement data on a computer.

Abstract: An object recognition apparatus performs a sweep of a scanned region by transmitting scanning wave beams at respective scan angles and successive timings, derives a received-wave signal strength value and reflection location corresponding to each scan wave beam during the sweep, and assigns a set of mutually adjacent reflection locations as a segment. A corresponding range value of the segment is calculated, expressing an estimated distance of a detected object. A threshold value is derived in accordance with the segment range, a region of the segment in which the signal strength values exceed the threshold value is extracted, and the width of the extracted region is designated as the width of the detected object.

Abstract: The invention relates to the devices for contactlessly measuring surface profiles and can be used for person identification in security systems. The inventive device for contactlessly controlling surface profile comprises a pulse illumination unit which is provided with a transparency and forms a transparency image on an object surface, and image recording unit and a computer. Said device also comprises a control unit which is connected to the image recording unit in the form of a TV camera with field interlacing, the pulse illumination unit and to the computer for synchronizing the illumination of the object surface by said pulse illumination unit with the TV camera field and for synchronizing the image processing by the computer with the TV interlacing.

Abstract: The present invention provides a surveying device, which comprises rotators 53, 56 and 61 for deflecting a distance measuring light in horizontal direction and for projecting the distance measuring light in rotary irradiation, at least one extension member 62 for increasing a spreading angle in vertical direction of the distance measuring light, and a means for attaching or detaching the extension member so that the extension member can be inserted and removed to or from a distance measuring optical axis.

Abstract: A position measuring apparatus includes a distance measuring part which obtains at least three pieces of distance information between at least three measurement points on a measured plane of an object and a displacement sensor, an imaging part which images a projection image on the measured plane of the object, and a calculating part which obtains tilt information of the measured plane based on the at least three distance information pieces and obtains position information of the object based on the tilt information and the projection image.

Abstract: A concave-convex surface inspection apparatus includes a slit light source unit emitting a slit light to a concave-convex surface of an object to be inspected, an image-taking unit taking an image of the concave-convex surface illuminated by the emitted slit light with an imaging optical axis intersecting with an optical axis of the slit light with a narrow-angle equal to or narrower than 30 degrees, and an evaluation section obtaining a three dimensional shape of the concave-convex surface and evaluating the obtained three dimensional shape, wherein the slit light source unit includes a slit light source and a cylindrical lens, the image-taking unit includes a telecentric lens unit, an image-taking section having an imaging surface tilted relative to the imaging optical axis for increasing a focusing range of the concave-convex surface, and a P polarizer.

Abstract: Described are systems/devices and methods for measuring distances using a laser distance meter. The device may include a range finder measuring a distance; and a processor receiving the distance from the range finder and performing a calculation based on the distance. The method may include steps of determining, using a range finder included in a mobile device, a distance; and calculating, using a processor of the mobile device, one of an area and a volume based on the distance.

Abstract: A surveying system is provided that comprises a position relation calculating processor and a correspondence obtaining processor. The position relation calculating processor calculates a position relation between a coordinate system to which three-dimensional coordinates of a measurement point refer and a schematic image of a surveying field. Here, the schematic image includes the measurement point. The correspondence obtaining processor obtains a correspondence between the three-dimensional coordinates of the measurement point and the two-dimensional coordinates on the schematic image, corresponding to the measurement point.

Abstract: A ranging sensor includes: a light emitting element; a projection lens for projecting light emitted from the light emitting element to an object; a condenser lens for condensing light reflected from the object; and a light receiving element, provided at the light condensing position of the condenser lens, for transmitting an output signal which varies according to the position of the object by receiving the reflected light at the light receiving surface thereof, wherein the condenser lens is held by a holding member so that the condenser lens is movable in a predetermined direction. Consequently, it becomes possible to easily adjust the output.

Abstract: Pattern projection apparatuses are placed on each other in a stack manner in a stripe pattern direction for projecting the same patterns. An image pickup apparatus (camera 1) is placed between the pattern projection apparatuses. The optical axes of the pattern projection apparatuses and the image pickup apparatus are aligned on the same plane parallel with the stripe pattern direction. On the plane, the principal points also become the same. An image of a stripe pattern is picked up directly by the image pickup apparatus without the intervention of a half mirror, etc., and is recoded. An image of the recoded stripe pattern is picked up by an image pickup apparatus (camera 2) and is decoded and the range of an object is measured by triangulation based on image correspondence points.

Abstract: An optical fixed-distance sensing apparatus comprising a light source, a receiving lens, a light-shielding plate and a photo sensor is provided. The light source is adapted to project a beam of light upon an object and get a reflected beam therefrom. The receiving lens is set up at a point along the beam path after the object. The light shielding plate comprises an aperture located at the focal point of the receiving lens. The photo sensor is set up at a point along the beam path after the light shielding plate.

Abstract: A device for the medical treatment of the eye with laser radiation uses auxiliary radiation for determining the eye position. With the aid of the auxiliary radiation, pictures are taken by means of a solid state image camera for determining eye movements and for causing the laser treatment radiation to follow accordingly. Infrared radiation sources, which are arranged in a triangle above the eye to be treated, are used for the auxiliary radiation.

Abstract: A distance measuring apparatus is provided which utilizes a light-section method capable of preventing input of disturbance light without narrowing measurement viewing angle. The apparatus comprises: a laser emitting section for generating laser light, an imaging section for imaging reflected light reflected by a surface of a target object, a telecentric optical system lens for forming an image of the reflected light on the imaging section, an optical filter provided between the telecentric optical system lens and the imaging section and perpendicular to an optical axis of the telecentric optical system lens, for passing light of a wavelength band of laser light emitted from the laser emitting section, and a distance calculation section for calculating a distance to the object based on an image taken by the imaging section and a positional relationship between a light emission position of the laser light and an image position.

Abstract: The invention relates to a charge calculating system for enabling charge setting for use of a mobile terminal according to traffic between the mobile terminal and a base station. The charge calculating system is provided with a charge determination information storage section for storing message degree factors for calculation of a charge for use of a mobile telephone, corresponding to traffic of a base station; a traffic measurement section for measuring traffic of the base station; an applied charge selection section for selecting a message degree factor to be applied to the mobile telephone, from those stored in the charge determination information storage section, on the basis of the measured traffic; and a charge calculation section for calculating a charge for use of the mobile telephone on the basis of the selected message degree factor.

Abstract: A distance measuring sensor includes a case subassembly having inside a light emitting element and a light receiving element, and a lens case subassembly having a projection lens projecting a light output from the light emitting element and a condenser lens condensing the light reflected from the object, and attached to a front side of the case subassembly. The condenser lens is movably attached to the lens case subassembly, and after an output is adjusted, this condenser lens is fixed thereto. Thus, the distance measuring sensor enabling easier adjustment of an output can be provided.

Abstract: There is provided a device for transmitting optical data installed in an automated guided vehicle and a plurality of manufacturing machines which are arranged on a manufacturing line so as to transmit data necessary for delivery of a transfer object by two-way communication within a transportation system. The transportation system has an interlocking mechanism for suspending an operation when a trouble occurs and transports the transfer object to the plurality of manufacturing machines by the automated guided vehicle. The device includes a non-volatile memory for recording and holding a communication log, and communication log recording means for writing a communication log in said non-volatile memory and outputting recorded contents of the communication log to an external device when there is an inquiry from the external device.

Abstract: An electro-optical distance measuring system (1, 1′) for large measurement ranges having a para-axial arrangement of a beam source (2) with a transmitting optics (3) and a beam receiver, configured as at least one small-area photodiode (4), with an associated receiving optics (5), which contains the processes for signal extension for the lower distance measurement range for distances (X). The beam source (2), the transmitting optics (3), the small-area photodiode (4) and the receiving optics (5) are each oriented with their optical axes (A1, A2) parallel to the measurement light beam (6). The measurement light beam (6) is directed from the transmitting optics (2) to the measurement object and continues to the receiving optics.

Abstract: A laser diode (22) emits laser light which is collimated into parallel rays with a collimating lens (24). The collimated beams travel about 5 to 50 cm before being reflected back to an adjustable mirror (28), to a fixed mirror (30), and then on to a photoreceiver (34). The adjustable mirror (28) is pivoted by turning an adjusting screw (40). The adjustable mirror (28) has a toothed cam (48) on its backside that mate with the threads of the adjusting screw (40). When the adjusting screw (40) is turned, it forces the cam to move with it, thus changing the angle of the adjustable mirror (28). A ball lens (32) focuses the reflected light onto the photoreceiver (34). The photoreceiver (34) and laser diode (22) are synchronized so that the receiver (34) can only receive light during appropriate windows of time corresponding to when the laser light was emitted.

Abstract: A distance measuring device includes a light emitting system that emits light toward an object that is subject to a distance measurement. A light receiving system is provided to receive optical images which are formed by an optical system. The light receiving system outputs data corresponding to the received images. The light receiving system is capable of receiving the object images when the light emitting system emits the light, and when the light emitting system does not emit the light. Further, the distance measuring device includes a control system that receives the data output by the light receiving system twice at the greatest, and performs distance measuring operations, which include a passive distance measurement and an active distance measurement, based on the data output by the light receiving system.

Abstract: The opto-electronic sensor (1) for the measurement of the distance (d) to an object (9), resp., for the identification of an object (9) within a monitoring zone (90) is based on triangulation measurement. A light source (21) emits light onto the object (9) or into the monitoring zone (90). The light (35) scattered by the object (9) impinges on a receiving element (31) at an angle (&agr;), which is dependent on distance (d) to the object (9). The latter has tappings (34.1-34.5) distributed over its length, in order to by means of a corresponding selection of these bring the measuring range of the sensor (1) to the value required by a control circuit (4) and as a result of this to increase the measuring resolution correspondingly. In variable amplifiers (6.1, 6.2), two or more detector signals (I1′, I2′) are multiplied with a variable factor respectively determined by the control circuit (4) and subsequently added, resp., subtracted in an adding—or subtracting stage (7).

Abstract: An inspection apparatus (40) for remote inspection of the trepan radius area (34) of the inlet sleeve (24) of a steam turbine (10). The apparatus (40) provides a sealed volume (50) between a pair of inflatable bladders (46,48) for the introduction of a liquid couplant for the immersion of ultrasonic transducers (42,44). A laser line generator (62) generates a beam of light visible through camera (60) which impinges upon the inlet bell seal (30) when the apparatus (40) is in a proper inspection position within the inlet sleeve (24). Guide vanes (56) provide centering and generate an insertion force during air assisted insertion of apparatus (40). Transducers (42,44) are indexed axially and circumfretially by the independent rotation of axial drive gear (72) and longitudinal drive gear (70) engaged with a pattern of gear teeth (69) formed as a combination of circumferential spur gear teeth and axial rack gear teeth cut into a single surface of a spline shaft (68).

Abstract: A distance measuring device includes a light emitting system that emits light toward an object that is subject to a distance measurement. A light receiving system is provided to receive optical images which are formed by an optical system. The light receiving system outputs data corresponding to the received images. The light receiving system is capable of receiving the object images when the light emitting system emits the light, and when the light emitting system does not emit the light. Further, the distance measuring device includes a control system that receives the data output by the light receiving system twice at the greatest, and performs distance measuring operations, which include a passive distance measurement and an active distance measurement, based on the data output by the light receiving system.

Abstract: A rangefinder device and a camera are provided, which, in measuring a distance by the active method, are capable of properly measuring the distance even if the object to be measured is located at a short distance, while in measuring a distance by the passive method, are capable of measuring the distance without causing the conflict between far and near objects. A projecting section projects spot-shaped light on a range-finding object. A light receiving section comprises a plurality of photoelectric converting elements. A first calculating section calculates distance measurement information based on an output from the light receiving section receiving reflected light from the range-finding object, by driving the projecting section to project the light, and a second calculating section calculates distance measurement information based on an output from the light receiving section receiving extraneous light reflected from the range-finding object, without driving the projecting section.

Abstract: The present invention is a distance measuring device having a low power laser for use outdoors. The distance measuring device of the invention includes a laser emitting means that emits a pulsed laser beam to an object to be measured and an image reader that takes in irradiations images and stop period images of the object synchronously with an irradiation and stop period of the laser beam. A processing device then subtracts the stop image pixel values from the emission image pixel values to produce differential images. A minimum value image of the differential images is processed and binarized using a binary threshold to produce binary data from which a position where the laser beam is received is found. A calculation apparatus then determines a distance between the laser beam receiving position and the object based on the position where the laser beam is received.

Abstract: Laser distance-measuring instrument for large measuring ranges having a transmitting channel and a receiving channel arranged parallel to one another, the receiving lens being a modified single lens comprising a primary lens region with a primary optical reception axis which is aligned parallel to the optical transmission axis, as well as a secondary lens region with a secondary optical reception axis which is inclined to the primary optical reception axis at an angle &agr;, with the result that a primary focal point and a secondary focal point are produced.