68 results about "Optical recording" patented technology

Systems for the manufacturing of waveguide cells in accordance with various embodiments can be configured and implemented in many different ways. In many embodiments, various deposition mechanisms are used to deposit layer(s) of optical recording material onto a transparent substrate. A second transparent substrate can be provided, and the three layers can be laminated to form a waveguide cell. Suitable optical recording material can vary widely depending on the given application. In some embodiments, the optical recording material deposited has a similar composition throughout the layer. In a number of embodiments, the optical recording material spatially varies in composition, allowing for the formation of optical elements with varying characteristics. Regardless of the composition of the optical recording material, any method of placing or depositing the optical recording material onto a substrate can be utilized.

Systems and methods for compensating for nonuniform surface topography features in accordance with various embodiments of the invention are illustrated. One embodiment includes a method for manufacturing waveguide cells, the method including providing a waveguide including first and second substrates and a layer of optical recording material, and applying a surface forming process to at least one external surface of the first and second substrates. In another embodiment, applying the surface forming process includes applying a forming material coating to the at least one external surface, providing a forming element having a forming surface, bringing the forming element in physical contact with the forming material coating, curing the forming material coating while it is in contact with the forming element, and releasing the forming material coating from the forming element.

Method for calibrating an optical recording device, the method comprises constructing a plurality of scenes so that, for each location of the first set of calibration locations, a calibration indicium of the set of indicia is located in a respective scene of the plurality of scenes at said each location; acquiring a plurality of images, so that each scene of the plurality of scenes is displayed in a respective image of the plurality of images; locating a plurality of calibration loci so that, for each location of the first set of calibration locations, a respective locus of the plurality of calibration loci is comprised in a respective image of the plurality of images; and calibrating the optical recording device by using the loci of the plurality of calibration loci as locations in the image plane of the projection onto the image plane of the first calibration view.

Systems for the manufacturing of waveguide cells in accordance with various embodiments can be configured and implemented in many different ways. In many embodiments, various deposition mechanisms are used to deposit layer(s) of optical recording material onto a transparent substrate. A second transparent substrate can be provided, and the three layers can be laminated to form a waveguide cell. Suitable optical recording material can vary widely depending on the given application. In some embodiments, the optical recording material deposited has a similar composition throughout the layer. In a number of embodiments, the optical recording material spatially varies in composition, allowing for the formation of optical elements with varying characteristics. Regardless of the composition of the optical recording material, any method of placing or depositing the optical recording material onto a substrate can be utilized.

System for monitoring at least one type of stop in a production line for at least partially automatic, preferably fully automatic processing of packaging material, in particular cardboard boxes, for detecting the errors / causes causing the at least one type of stop, and for preferably generating error-specific at least one visually and / or audibly detectable recommendation for troubleshooting, in particular for at least one skilled worker operating / monitoring the production line, wherein the respective production line is an openly accessible production line of, for example, over 10m in length with several functionally distinct process steps, each with manual intervention capability for manual troubleshooting in the corresponding area / production line section of the respective process step, wherein the system has a computing unit with data storage.which communicates with a plurality of sensors monitoring the functioning of the production line and a plurality of optical detection units, at least one of which can be arranged / is arranged on the corresponding production line section with a field of view from above, preferably oriented at least approximately vertically downwards; characterized in that the system is configured to record data concerning at least the movement path along at least two production line sections of at least one specialist supervising the production line and, in response to a stop, to correlate at least one temporally predefinable sequence of the specialist's movement path with at least one specific type of stop, preferably for the purpose of generating at least one action recommendation and for outputting at least one action request, e.g. in file form.preferably in video file format, and / or on at least one visual and / or acoustic display unit of the system.

A vehicle is provided, comprising at least one optical sensor arranged on an exterior surface thereof, as well as a control unit which is in signal communication with the optical sensor and which is configured to process data acquired by the optical sensor, wherein the optical sensor is arranged and configured to optically record acoustic signals generated in the exterior surface of the vehicle and to transmit them to the control unit, wherein the control unit is configured to determine a voice command from the optically recorded acoustic signal.Furthermore, a method for detecting an acoustic signal outside the vehicle is provided by means of an optical sensor serving as a visual microphone, which is arranged on an exterior of the vehicle, wherein only acoustic signals which are recognized as a voice command during the processing of the acoustic signals are further processed in such a way that the voice command is executed by the vehicle.

The invention relates to a method for the computer-aided generation of a surface model (200) of a component (100) for deriving a processing strategy for a processing process, such as a cleaning process or a machining process, in a processing system (1001), comprising at least the following method steps: at least introducing the component (100) into a workspace (1); and multiple optical recording by recordings (8) of at least a portion (101) of the three-dimensional surface (102) of the component (100) within the workspace (1) as measurement data and evaluating the recorded measurement data and generating the surface model (200) from the measurement data. The invention further relates to a system (1000) and a coating system (1001) for carrying out the method.

The invention relates to a method for the condition-dependent handling of a battery with a contactless and optical detection of the battery in an unopened state by a detection device and creation of an optical data set, with computer-aided processing of the optical data set by an image processing system based on a reference data set of the exterior of the battery to create an assessment of the battery's condition, and with outputting the assessment of the condition to derive a recommendation for action for handling the unopened battery, as well as an associated control unit.

The present invention relates to a hologram recording medium and an optical element comprising the same. The hologram recording medium not only has excellent optical recording properties but also can exhibit transparent optical properties and excellent reliability even in high temperature and high humidity environments.

The invention relates to an apparatus for inspecting objects (10), comprising a transport device (20), which transports the objects (10) along a specified transport path (22), and comprising an inspection device (24), which inspects the objects (10) during transport, wherein the inspection device (24) is designed to create an X-ray recording (34) and an optical recording (44) of an object (10) to be inspected, wherein the X-ray recording (34) and the optical recording (44) are created at the same time and at the same recording angle, and wherein the two recordings (34, 44) are evaluated by an evaluation device (50). The invention also relates to a corresponding inspection method.

An optical recording medium capable of suppressing a decrease in reproduction durability is provided. [Solution] In an optical recording medium, a first disc (10) includes at least one information signal layer (L0-Ln). The information signal layer includes a first dielectric layer (14), a recording layer (13), and a second dielectric layer (15), in that order, with the first dielectric layer being located deeper than the recording layer when viewed from a first light irradiation surface (C1). The recording layer includes Mn and O. The first dielectric layer includes Zn, Sn, Al, and O or Zn, Sn, Ti, and O, with the Al content relative to the total amount of Zn, Sn, and Al being 10 atomic % or more, and the Ti content relative to the total amount of Zn, Sn, and Ti being 10 atomic % or more.

A device, for contactless optical recording of a papillary structure of a hand or parts thereof, includes a lighting unit illuminating the hand or parts thereof with emitted structured light, and a camera detecting structured light emitted from the lighting unit, which is diffusely reflected from the hand or parts thereof in an object plane of the camera. A nonzero difference in distances between the camera along an optical axis of an optical path of the camera and the lighting unit along an optical axis of an optical path of the lighting unit from the object plane of the camera is present in order to determine a position of the hand or parts thereof along the optical axis of the optical path of the camera in relation to a range of depth of field of the camera using a structure size determined in the light detected by the camera.

The present invention relates to a hologram recording medium and an optical clement comprising the same. The hologram recording medium not only has excellent optical recording properties but also can exhibit transparent optical properties and excellent reliability even in high temperature and high humidity environments.

The present invention relates to a hologram recording medium, a preparation method thereof, and an optical element including the same. As the hologram recording medium satisfies a specific element ratio, it not only is excellent in optical recording characteristics, but also exhibits excellent durability against heat and moisture, and can exhibit appropriate adhesive force to transparent adhesives and high transparency.

The invention relates to a method for the condition-dependent handling of a battery with a contactless and optical detection of the battery in an open state by a detection device and creation of an optical data set, with computer-aided processing of the optical data set by an image processing system based on a reference data set of the interior of the battery to create an evaluation of the battery's condition, and with outputting the evaluation of the condition to derive a recommendation for handling the opened battery, as well as an associated control unit.

The present disclosure relates to a photopolymer composition, a hologram recording medium, a method of preparing the same, and an optical element including the same. The photopolymer composition can provide a hologram recording medium and an optical element including the same, which exhibit excellent optical recording characteristics such as diffraction efficiency while ensuring colorless and transparent optical characteristics and excellent thermal stability.

The present invention relates to a hologram recording medium and an optical element comprising the same. The hologram recording medium not only has excellent optical recording properties but also can exhibit transparent optical properties and excellent reliability even in high temperature and high humidity environments.

The present disclosure relates to a hologram recording medium and an optical element comprising the same. The hologram recording medium not only has excellent optical recording properties but also can exhibit excellent reliability and high transparency even under high temperature conditions.

The invention relates to a commercial vehicle (10) comprising a tractor unit (12) and a trailer (14), as well as at least one projection device (16) by means of which at least one projection (18) can be projected onto at least one side wall (20) of the trailer (14), wherein an articulation angle between the tractor unit (12) and the trailer (14) can be determined by means of an optical detection device (22), and wherein, depending on the determined articulation angle, the at least one projection (18) on the at least one side wall (20) can be adjusted. The invention further relates to a method.

The present application relates to a kind of wireless optical fiber recording system, belongs to the scientific research instrument of neurosciences field, especially relates to calcium imaging recording technology, solve the problem of large volume in prior art optical fiber recording system, signal transmission is unstable.The present application includes host computer, wireless sensor, DAQ host and insert core needle, one end of the insert core needle is connected with the small animal to be measured, the other end is connected with the wireless sensor, the DAQ host is wirelessly connected with the wireless sensor.The signal transmission of the wireless optical fiber recording system of the present application is stable, recording result precision is high, and overall structure is small.

The utility model relates to embedded photoelectric sighting telescope equipment with infrared thermal imaging, intelligent ballistic calculation and optical video recording functions, which comprises a main body, a white light objective lens is arranged on the left side of the main body, and an infrared objective lens is arranged in the white light objective lens. According to the embedded photoelectric sighting telescope equipment with the infrared thermal imaging, intelligent ballistic calculation and optical video recording functions, through the integrated design, the infrared objective lens is embedded into the white light objective lens, the size and weight of a main body are reduced, the equipment is more attractive, then through the arrangement of the infrared objective lens, the equipment can have the infrared thermal imaging function, and the equipment is more convenient to use. And meanwhile, the laser ranging module, the main control board group, the white light trajectory adjusting group and the white light windage yaw adjusting group are matched with the field lens group to adjust the trajectory, and then the micro camera plays an optical photographing function, so that the purposes of high integration, infrared thermal imaging, trajectory calculation and optical photographing functions are achieved.

The present invention relates to a photopolymer composition, a holographic recording medium, a method for producing the same, and an optical element including the same. The photopolymer composition contains an electron donor having a reaction energy of -25 kJ / mol to 0 kJ / mol with a photosensitive dye excited to a triplet state, and therefore not only has excellent optical recording properties such as diffraction efficiency, which is a basic physical property of a holographic recording medium, but also has excellent high-temperature aging stability before recording optical information, and can exhibit the intended optical recording properties even when stored at room temperature to high temperature for a long time, thereby providing a holographic recording medium capable of reproducing a clear image without problems such as halo.

The present invention relates to a fluorinated compound, a photopolymerizable composition, a hologram recording medium, a preparation method thereof, and an optical element comprising the same. The fluorinated compound is included in a photopolymerizable composition, thereby being able to provide a hologram recording medium that not only has excellent optical recording properties but also exhibits transparent optical properties and excellent reliability even in high temperature and high humidity environments, and an optical element including the same.

Devices having at least one nanostructured layer derived from a binary sequence written onto an optical medium and methods of preparing the nanostructured layers.

Devices having at least one nanostructured layer derived from a binary sequence written onto an optical medium and methods of preparing the nanostructured layers.

Methods, systems and devices are described that enable measurement and characterization of complex laser pulses by relying on three interferograms that are measured simultaneously. The described three-phase spectral interferometry (3PSI) can meet the growing demand for optical recorders with long record and 1 ps or finer resolution. An example three-phase interferometric system includes a three-output optical splitter with a first input port to receive the input optical signal, a second input port to receive a reference optical signal with one or more unknown spectral characteristics. The three output ports of the optical splitter produce interferograms that correspond to relative phase shifts of substantially 120 degrees. Detectors are positioned to receive and measure the interferograms, which allows determination of the amplitude and phase of the input optical signal with very high accuracy. The described techniques include may improvements in the alignment, calibration and signal retrieval procedures associated with the 3PSI system.

The present invention relates to a method for determining the device-specific composition of an agricultural attachment (3), an agricultural work vehicle (2), and / or a combination (1) of an agricultural work vehicle (2) and at least one agricultural attachment (3) arranged thereon, comprising the method steps: a) computer program-controlled assistance by means of an assistance system (6) through guided instructions (13) for detecting the combination (1) of work vehicle (2) and attachment (3) by means of at least one optical recording device (8), b) evaluating recorded image data (21) by means of an image recognition algorithm to determine the device-specific composition of the combination (1) by the assistance system (6), c) computer program-controlled assistance by means of the assistance system (6) through guided instructions (13) depending on the specific device-specific composition for detecting sub-areas and / or individual components of the work vehicle (2) and / or the attachment (3), and d) Determining an actual operating state of the combination (1) by means of the image recognition algorithm and outputting the actual operating state and, depending on the actual operating state, a computer program-controlled output of at least one selectable measure for restoring a target operating state and / or at least one indication for optimizing the settings of the combination (1).

The present invention relates to a device (18) for detecting objects (20) in the vicinity of a vehicle (12), comprising: an input interface (24) for receiving a beat signal of a frequency-modulated light signal and a reflection of this light signal from an object (20) by an optical detection unit (16); a transformation unit (26) for determining a frequency spectrum of the beat signal; a preprocessing unit (28) for detecting an extreme value within the frequency spectrum based on the application of a predefined first extreme value criterion for a first type of extreme value and based on the application of a predefined second extreme value criterion for a second type of extreme value; an evaluation unit (30) for determining a distance and / or a speed of the object (20) based on the detected extreme value;and an output interface (32) for outputting the distance and / or speed of the object (20). The present invention further relates to a system (10) and a method for detecting objects (20) in the environment of a vehicle (12) and a computer program product.

The embodiment of the invention discloses a method for extracting parallel optical recording information, which can accurately determine the position of an information point under the condition of non-uniform optical energy and the condition of non-uniform recording point intensity and size deviation by calculating the accurate center coordinates of a strong information point and a weak information point in an information medium. Meanwhile, the energy matrix of the standard dot matrix information medium is processed, and non-zero elements in the middle matrix are re-assigned, so that the problem that adjacent optical recording information interferes with each other is effectively solved, and the optical recording information is accurately extracted by combining the final AGC matrix obtained by the information-free recording medium.

The present disclosure relates to a hologram recording medium and an optical element including the same. The hologram recording medium not only has excellent optical recording characteristics, but also can exhibit excellent reliability and high transparency even under high temperature conditions.