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39 results about "Optical data processing" patented technology
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Light Management for Image and Data Control
ActiveUS20140285429A1Improve display characteristicsImproved hand-eye coordinationInput/output for user-computer interactionTelevision system detailsData controlNight driving
A light control and display technology applicable to light redirection and projection with the capacity, in a number of embodiments modified for particular applications, to produce managed light, including advanced images. Applications include miniature to very large scale video displays, optical data processing, 3-dimensional imaging, and lens-less vision enhancement for poor night-driving vision, cataracts and macular degeneration.
Owner:SIMMONS JOHN CASTLE
Optical data processing device, optical data processing system, optical data processing method, and optical data processing program
ActiveUS20150206023A1Easy to understandEasy to distinguishImage analysisGeometric image transformationObject basedPoint cloud
A processing for specifying a correspondence relationship of feature points between two sets of optical data can be highly precise and efficiently carried out. The correspondence relationship of the perpendicular edges is obtained based on the assumption that the object is a building, in the processing for integrating the three-dimensional model obtained from the point cloud position data and the three-dimensional model obtained from the stereophotographic image. In this case, one perpendicular edge is defined by the relative position relationship with the other perpendicular edge, and the correspondence relationship is high-precisely and rapidly searched.
Owner:KK TOPCON
Spatial Light Modulator with Structured Mirror Surfaces
ActiveUS20090303571A1Increase heightImprove accuracyTelevision system detailsStatic indicating devicesSpatial light modulatorOptical processing
The invention relates to methods to improve SLMs, in particular to reflecting micromechanical SLMs, for applications with simple system architecture, high precision, high power handling capability, high throughput, and / or high optical processing capability. Applications include optical data processing, image projection, lithography, image enhancement, holography, optical metrology, coherence and wavefront control, and adaptive optics. A particular aspect of the invention is the achromatization of diffractive SLMs so they can be used with multiple wavelengths sequentially, simultaneously or as a result of spectral broadening in very short pulses.
Owner:MICRONIC LASER SYST AB
Optical pickup and optical data processing apparatus
InactiveUS20050025028A1Reduce the number of stepsReduce weightCombination recordingOptical beam sourcesOptical pickupPhase correction
An optical pickup is disclosed that includes a simplified phase correction element enabling sufficient correction of spherical aberration and realization of compatibility with blue-light, DVD-type and CD-type optical recording media with a two-stage numerical aperture switching operation. The phase correction element includes a phase shifting part and a diffraction part superposed on the phase shifting part. The phase shifting part has stepwise concentric circular regions including more than two stages. The diffraction part includes periodically arranged projecting and depressed portions formed on the phase shifting part. The phase shifting part suppresses spherical aberration related to red light used for a DVD-type optical recording medium when the object lens is optimized relative to blue light used for a blue-light optical recording medium. The diffraction part sets a most appropriate NA to each of the blue-light, DVD-type and the CD-type optical recording media by switching the numerical aperture.
Owner:RICOH OPT IND CO LTD +1
Intelligent cutting fluid injection device and method
InactiveCN104440378AAvoid pollutionRapid coolingMeasurement/indication equipmentsMaintainance and safety accessoriesRobotic armOptical data processing
The invention discloses an intelligent cutting fluid injection device and method. The intelligent cutting fluid injection device comprises a jet nozzle, a mechanical arm, a heat sensor, an optical sensor, a cutting fluid feeding system, a flow control valve, a temperature data processor, an optical data processor, a mechanical arm driving motor for driving the mechanical arm and a mechanical arm base fixed to a knife rest. The mechanical arm is fixed to the mechanical arm base, the heat sensor, the optical sensor and the jet nozzle are fixed to the execution end of the mechanical arm, the output end of the optical sensor is connected with the input end of the optical data processor, the output end of the optical data processor is connected with the control end of the mechanical arm driving motor, the output end of the heat sensor is connected with the input end of the temperature data processor, and the output end of the temperature data processor is connected with the control end of the flow control valve and the control end of the mechanical arm driving motor. The intelligent cutting fluid injection device and method can achieve knife cooling and is good in cooling effect, low in cost and low in pollution.
Owner:XI AN JIAOTONG UNIV
Optical data processing apparatus using vertical-cavity surface-emitting laser (VCSEL) device with large oxide-aperture
InactiveUS20070147459A1High resolutionLittle changeSolid-state devicesOptical resonator shape and constructionCurrent limitingMicrometer
A optical data processing apparatus included a light source, an optical system that concentrates light from the light source to an optical data storage medium, and a mechanism that scans the concentrated laser light on the optical data storage medium, the light source includes at least one Vertical-Cavity Surface-Emitting Laser (VCSEL) device that emits laser light, the at least one VCSEL device included an active region and a current-confined portion between first and second mirrors that form a vertical resonator structure, and an opening having a diameter equal to or larger than about 4 micrometers is formed in the current-confined portion for applying current.
Owner:FUJIFILM BUSINESS INNOVATION CORP
Light management for image and data control
ActiveUS9392129B2Improve display characteristicsImproved hand-eye coordinationInput/output for user-computer interactionTelevision system detailsData controlOptical data processing
Owner:SIMMONS JOHN CASTLE
Stressed liquid crystals as an ultra-fast light modulating material consisting of unidirectionally oriented liquid crystal micro-domains separated by polymer chains
A new light modulating material using unidirectionally oriented micro-domains of liquid crystal separated by polymer chains is provided. Liquid crystal / polymer films are produced by a one step production process involving a photopolymerizable monomer mixed with a liquid crystal then exposed to UV light. In one embodiment, force deformations are applied to the films resulting in diffraction efficiencies of more than 95%. In another embodiment, applying a planar force to a thick film that produced a 2 μm shift of phase retardation in several hundred microseconds when an appropriate field is applied. Use of this invention provides fast response time and a low required driving voltage. The new cell can be used as spatial light modulators for manufacturing information displays, electro-optical devices, telecommunications system, optical data processing, adaptive optics applications, color projection displays and switchable micro-lens optics.
Owner:KENT STATE UNIV
Phase extraction in optical processing
A method of optical data processing, comprising:providing a first data set to be optically transformed using a transform;combining a reference data set with said first data set to generate coherent light, encoding a combined data set;optically and coherently transforming said light that encodes the combined data set, into coherent light that encodes a transformed combined data set;obtaining a transformed reference data set by determining the effect said optical transform has on light encoding said reference data set; andextracting a second data set that represents a transform of said first data set, from an intensity portion of light encoding said transformed combined data set, using said transformed reference data set to extract a phase of at least one element of said second data set.
Owner:LENSLET LABS
Multi-dimensional data signal and systems for manipulating the same
InactiveUS20060182000A1Significant performance improvementLow costOptical beam sourcesOptical detectorsLogical operationsOptical data processing
A device for retrieving multidimensional data from a data storage medium is provided. The device (103) comprises a source of electromagnetic radiation, an optical data processing system (401) adapted to perform logical operations on an input optical data array, and an optical device or devices (125) adapted to direct electromagnetic radiation onto the surface of a data storage medium and to transmit reflections of the electromagnetic radiation, in the form of multidimensional data patterns, to said optical data processing system. The data may be formatted in multiple dimensions.
Owner:LUCERE LP
Optical data processing method and system, and LCD device
InactiveCN101345033AReduce operating pressureShorten adjustment timeStatic indicating devicesOptical data processingComputer science
The invention provides an optical data processing method, a system and an LED device, which are applicable to the LED field. The method of the invention comprises the steps as follows: a PC host computer corrects and compresses the optical data of an obtained display picture so as to generate Gamma data and the gain data of different colour temperature; the LED device obtains gain data and carries out decompression interpolation to the Gamma data; the LED device carries out format conversion to the Gamma data and generates Gamma table data. In the invention, a colour analyser sends the optical data to the PC host computer which corrects and compresses the optical data and generates the Gamma data and the gain data; the corrected and compressed data is sent to the LED device to carry out decompression verification, thus realizing the completion of correction and compression process without the LED device and reducing the running pressure of the LED device.
Owner:DAYU TECH ELECTRONICS FACTORY DONGGUAN HUANGJIANG
Optical data processing
InactiveCN1779836AOptical detectorsRecord information storagePhotovoltaic detectorsOptical processing
The invention discloses an optical system (100) for optical data processing. In one embodiment of the system (100), a photodetector array (108) is configured to acquire images (110) of light modulated by reflections from defined data tracks (200) on the optical medium (102). ). In this example, the image (110) includes at least one framing marker (104) and at least one data field (106). A post-processor is configured to analyze the image (110) and identify data within the framing marker (104) and the data area (106).
Owner:HEWLETT PACKARD DEV CO LP
Spatial light modulator with structured mirror surfaces
ActiveUS8077377B2Television system detailsStatic indicating devicesSpatial light modulatorOptical processing
The invention relates to methods to improve SLMs, in particular to reflecting micromechanical SLMs, for applications with simple system architecture, high precision, high power handling capability, high throughput, and / or high optical processing capability. Applications include optical data processing, image projection, lithography, image enhancement, holography, optical metrology, coherence and wavefront control, and adaptive optics. A particular aspect of the invention is the achromatization of diffractive SLMs so they can be used with multiple wavelengths sequentially, simultaneously or as a result of spectral broadening in very short pulses.
Owner:MICRONIC LASER SYST AB
Optical pickup and optical data processing device using the same
InactiveUS20090231982A1Readily apparentRecord information storageOptical beam guiding meansOptical pickupOptical data processing
An optical pickup including a light source, two light focus devices, a light reception device, a polarization selective light path splitting device, a polarization switching device, a first diffraction element including a periodic structure including two kinds of sub-wavelength convexo-concave structures while the two kinds of sub-wavelength convexo-concave structures alternately arranged at right angles to each other, and the filling factors of the two kinds of sub-wavelength convexo-concave structures are determined to substantially equalize effective refractive indices of the two kinds of sub-wavelength convexo-concave structures with regard to the polarization direction of the outgoing light beam, and the second diffraction element having a structure similar to that of the first diffraction element except that the filling factors are determined to substantially equalize effective refractive indices of the two kinds of sub-wavelength convexo-concave structures with regard to a polarization direction perpendicular to the polarization direction of the outgoing light beam.
Owner:RICOH KK
Optical data processing device, optical data processing system, optical data processing method, and optical data processing program
ActiveUS9977983B2Easy to understandEasy to distinguishImage analysisGeometric image transformationPoint cloudOptical data processing
A processing for specifying a correspondence relationship of feature points between two sets of optical data can be highly precise and efficiently carried out. The correspondence relationship of the perpendicular edges is obtained based on the assumption that the object is a building, in the processing for integrating the three-dimensional model obtained from the point cloud position data and the three-dimensional model obtained from the stereophotographic image. In this case, one perpendicular edge is defined by the relative position relationship with the other perpendicular edge, and the correspondence relationship is high-precisely and rapidly searched.
Owner:KK TOPCON
Optical head and data processing apparatus including the same
InactiveUS7443774B2Improve signal-to-noise ratioEasy to detectOptical beam sourcesOptical detectorsPhotodetectorOptical data processing
An optical data processing apparatus reads and / or writes data from / on a data storage medium, in which first and second data storage layer are stacked, by radiating light from the second layer. The processor includes: a light detector including at least one photodetector for generating a light quantity signal; a detecting optical system for guiding first and second reflected light beams from the first and second layers to the light detector; and a signal processor for generating a layer sensing signal from the light quantity signal and determining, by the layer sensing signal, whether the focal spot is now located near the first layer or the second layer. The detecting optical system includes an optical element that produces astigmatism to the first and second reflected beams. The light detector includes, as the at least one photodetector, a layer sensing photodetector arranged so as to include respective areas of the light detector where the second reflected beam is incident when the focal spot is located near the first layer and where the first reflected beam is incident when the focal spot is located near the second layer.
Owner:PANASONIC CORP
Optical data processing unit
An optical data-processing apparatus is provided for writing data to a data storage disk or reading data from the disk. The data-processing apparatus includes first and second light splitters. The first splitter splits reflected light from the storage disk into two semicircular rays. The second splitter splits these two semicircular rays into non-biased light and biased light. The data-processing apparatus also includes an optical detector for receiving the non-biased light and the biased light, thereby producing a first signal corresponding to the non-biased light and a second signal corresponding to the biased light. Based on the first and the second signals, a focus error signal and a spherical aberration signal are produced.
Owner:PANASONIC CORP
Data processing network having an optical network interface
InactiveUS7480461B2Multiplex system selection arrangementsElectromagnetic transmissionMulti processorOptical data processing
An optical data processing network having an optical network interface is disclosed. The optical data processing network includes a first multi-processor system and a second multi-processor system. The first multi-processor system includes a first set of processors and a first set of optical network interfaces electrically coupled to the first set of processors. Similarly, the second multi-processor system includes a second set of processors and a second set of optical network interfaces electrically coupled to the second set of processors. An optical cable is connected between the first set and the second set of optical network interfaces. The first multi-processor system communicates with the second multi-processor system via the optical cable.
Owner:CALLAHAN CELLULAR L L C
Laser radar on basis of optical fiber mode field adapter
PendingCN108594207AImprove coupling efficiencyImprove detection abilityElectromagnetic wave reradiationICT adaptationPhotovoltaic detectorsRadar
The invention discloses laser radar on the basis of an optical fiber mode field adapter. The laser radar has the advantages that the optical fiber mode field adapter is used in a telescope of the laser radar, an input end of the optical fiber mode field adapter is a large-mode-field optical fiber end, the large-mode-field optical fiber end is connected with an output end of an optical receiving and transmitting module and is used for receiving atmospheric echo signals, an output end of the optical fiber mode field adapter is a small-mode-field optical fiber end, the small-mode-field optical fiber end is connected with an optical receiver and is favorable for optical filtering and optical signal extraction, and accordingly the cost of the laser radar can be reduced; the problem of contradiction between received signal view field angles and optical data processing of existing laser radar can be ingeniously solved by the aid of the optical fiber mode field adapter, view field angles can be expanded while the echo signal coupling efficiency is guaranteed, the performance of the laser radar can be improved, the requirements of the optical receiver and photoelectric detectors on small mode fields can be met, follow-up data processing difficulty can be lowered, the integral performance of the laser radar can be improved, and the application range of the laser radar can be expanded.
Owner:夏和娣
Optical pickup and optical data processing device using the same
InactiveUS20090231981A1Inhibit deteriorationOptical detectorsRecord information storageOptical pickupPhase difference
An optical pickup including a light source, a light focus device, a diffraction element, an optical split element, a ¼ wavelength board, a light reception device and a correction element wherein the correction element is divided into multiple areas in a surface vertical to an optical axis, each area of the multiple areas has a sub-wavelength convexo-concave structure having a pitch equal to or shorter than a wavelength of the outgoing light beam and the sub-wavelength convexo-concave structures of the multiple areas adjacent to each other have groove directions perpendicular to each other, and the filling factors of adjacent areas of the multiple areas are determined to substantially equalize effective refractive indices with regard to the polarization direction of the outgoing beam emitted from the light source and impart a phase difference of π with regard to a polarization direction perpendicular to the polarization direction of the outgoing beam.
Owner:RICOH KK
System and method for camera-based detection of object heights proximate to a vehicle
The present invention is generally directed to optical data processing or objects in proximity to an optical sensor or camera, such as a camera mounted on a vehicles. Image data is received from a camera mounted on a vehicle, the image data indicative of a motion of the camera with respect to a detected object within a proximity of the camera or the vehicle on which the camera may be mounted. An optical flow of the object in the image data is determined, and a height of the object is determined based on the determined optical flow.
Owner:FARADAY&FUTURE INC
Optical system and control method thereof
ActiveCN1908730AReduce manufacturing costOptical light guidesLight controlMultiplexerOptical data processing
The present invention relates to an optical system and control method thereof. The optical system of the invention includes: a plurality of light sources, an optical multiplexer, wherein the optical multiplexer has a plurality of light receive sections receiving the light outputting from the light source, an optical guide part for changing the optical direction of one light receive section from a plurality of light receive sections and guiding to the optical guide part of the light output part; an optical splitter, used for splitting the light from the optical multiplexer and outputting the optical splitting information; an optical data processing part, used for decoding the optical splitting information outputted from the optical splitter and processing. Thereby, an optical multiplexer is provided to select one light from multiterm lights and also a system with simple apparatus and low cost.
Owner:SAMSUNG ELECTRONICS CO LTD
Interactive attraction system and method for object and user association
ActiveUS20210216139A1Input/output for user-computer interactionData processing applicationsComputer graphics (images)Optical data processing
A system of an amusement park attraction includes an optical sensor configured to detect light and provide optical data based on the detected light and a controller having circuitry communicatively coupled to the optical sensor. The controller is configured to receive the optical data, process the optical data to detect a first movement of a user and a second movement of a handheld or wearable object, detect a correlation between the first movement and the second movement, and associate the handheld or wearable object with the user based on the correlation.
Owner:UNIVERSAL CITY STUDIOS LLC
Optical data manipulation for skew and growth compensation
Systems and methods for extracting information from a scanned item having a plurality of regularly spaced row marks along at least part of a length of the scanned item are disclosed herein. The system can include a line scan camera that can generate a line of pixels of a portion of the scanned item in an imaging area; a feed device coupled to the line scan camera; and a timing circuit. The feed device can move at least a portion of the scanned item through the imaging area, and the timing circuit can provide a plurality of capture signals to the line scan camera. The timing circuit can vary a time interval between capture signals based on a number of pixels between adjacent row marks along at least a portion of the length of the scanned item.
Owner:PEARSON EDUCATION
Signal demodulation system
InactiveCN107968684AMeet the requirements of high stability optical rotation data processingEasy to operateElectromagnetic receiversLow-pass filterPhotodetector
The invention relates to a signal demodulation system, which includes a polarizer, an optical rotator, an optical crystal, a polarizer, a photodetector, a preamplifier, a low-pass filter, and a control module. The optical crystal, the polarizer and the photodetector are connected in sequence, and the preamplifier and the low-pass filter are connected to the output end of the photodetector. The signal demodulation system of the present invention can meet the high stability optical rotation data processing requirements, and the system has simple operation, intuitive interface, short development cycle, low cost, industrial production and use, and strong practicability.
Owner:SHAANXI EYOUNG TECH
Count per inch calibration method and optical navigation device
ActiveUS20220291759A1Simple stepsCalibrate CPIInput/output for user-computer interactionNavigational calculation instrumentsComputer hardwareOptical data processing
An optical navigation device, comprising: an optical sensor, configured to sense optical data; and a processing circuit, configured to compute motions of the optical navigation device based on the optical data, and configured to output the motions, wherein a first CPI is set to the processing circuit. The processing circuit receives a calibration command to calibrate the first CPI to a second CPI, wherein the second CPI is computed via following steps: (a) computing a real CPI corresponding to times of motions output by the processing circuit during a time interval that a relative displacement between the optical navigation device and a surface reaches a first predetermined distance; (b) computing a ratio between the real CPI and the first CPI or a difference between the real CPI and the first CPI; and (c)generating the second CPI based on the ratio or the difference.
Owner:PIXART IMAGING INC
Detecting device and automatic cleaner
ActiveUS20220178842A1Easy to assembleProgramme-controlled manipulatorCarpet cleanersOptical data processingFirst light
A detecting device for detecting liquid or colloid, comprising: a light emitting device, configured to emit first light, wherein a first angle between a first emitting direction of the first light and a surface when the detecting device is located on the surface, wherein the first angle is larger than 0° and smaller than 90°; an optical sensor, configured to detect first optical data generated based on the first light; and a processing circuit, configured to determine if the liquid or the colloid exists in a predetermined range of the detecting device based on the first optical data. An automatic cleaner applying the detecting device is also disclosed.
Owner:PIXART IMAGING INC
Optical Head And Data Processing Apparatus Including The Same
InactiveUS20090040894A1Improve signal-to-noise ratioEasy to detectCombination recordingMechanical record carriersPhotodetectorOptical data processing
Owner:PANASONIC CORP
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