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1166 results about "Optical scanners" patented technology
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An optical scanner is any scanning technology that converts a physical image, text, or object into a digitized form that can be stored as a 2D image file on a computer.
Control of an optical fiber scanner
InactiveUS6845190B1Remove nonlinear behaviorRobust cancellationSurgeryEndoscopesOptical scannersPhotodetector
Controls for an optical scanner, such as a single fiber scanning endoscope (SFSE) that includes a resonating optical fiber and a single photodetector to produce large field of view, high-resolution images. A nonlinear control scheme with feedback linearization is employed in one type of control to accurately produce a desired scan. Open loop and closed loops controllers are applied to the nonlinear optical scanner of the SFSE. A closed loop control (no model) uses either phase locked loop and PID controllers, or a dual-phase lock-in amplifier and two PIDs for each axis controlled. Other forms of the control that employ a model use a frequency space tracking control, an error space tracking control, feedback linearizing controls, an adaptive control, and a sliding mode control.
Owner:UNIV OF WASHINGTON
Optical scanning head
InactiveUSRE36528E1Add depthIncrease distanceVisual representatino by photographic printingPhotomechanical exposure apparatusOptical scannersBarcode
The [ornamental] design for a bar code Scanner using the Light Emitting Diode (LED), Optical Scanner assembly and Charge-Coupled Devices (CCD) capable of reading the barcode symbols at the variable distance, as shown and described. The optical passive elements for increasing the depth of field and method of fabricating the scanning head by mass-production techniques are also disclosed.
Owner:SYMBOL TECH INC
Method of linking on-line data to printed documents
InactiveUS7051086B2Readily apparentRecord information storageMultiple digital computer combinationsGraphicsBusiness card
The present invention relates to linking on-line data to printed documents, such as business cards, envelopes, stickers, stationary, letterhead, résumés, etc. In one embodiment, a card-user registers with an on-line database and receives a gallery item including a steganographically-embedded unique identifier. The gallery item, such as a graphical background, text, shading, graphic, etc., is integrated and then printed with a document. The printed document can then be presented an optical-scanner, which outputs data. The output data is decoded to identify the unique identifier. The unique identifier is then used to index into the on-line database to retrieve information related to the proprietor of the document. In one embodiment, the on-line database includes features such as providing an immediate contact number, translation and / or pronunciation ability, and storage of audio / video files.
Owner:DIGIMARC CORP
Microfabricated integrated DNA analysis system
ActiveUS20050287572A1Improve automationBig spaceBioreactor/fermenter combinationsElectrolysis componentsMicroreactorMicrosphere
Methods and apparatus for genome analysis are provided. A microfabricated structure including a microfluidic distribution channel is configured to distribute microreactor elements having copies of a sequencing template into a plurality of microfabricated thermal cycling chambers. A microreactor element may include a microcarrier element carrying the multiple copies of the sequencing template. The microcarrier element may comprise a microsphere. An autovalve at an exit port of a thermal cycling chamber, an optical scanner, or a timing arrangement may be used to ensure that only one microsphere will flow into one thermal cycling chamber wherein thermal cycling extension fragments are produced. The extension products are captured, purified, and concentrated in an integrated oligonucleotide gel capture chamber. A microfabricated component separation apparatus is used to analyze the purified extension fragments. The microfabricated structure may be used in a process for performing sequencing and other genetic analysis of DNA or RNA.
Owner:RGT UNIV OF CALIFORNIA
Methods for stent strut detection and related measurement and display using optical coherence tomography
ActiveUS20100094127A1High resolutionIncrease contrastImage enhancementMedical imagingData setInsertion stent
In one embodiment, the invention relates to a processor based method for generating positional and other information relating to a stent in the lumen of a vessel using a computer. The method includes the steps of generating an optical coherence image data set in response to an OCT scan of a sample containing at least one stent; and identifying at least one one-dimensional local cue in the image data set relating to the position of the stent.
Owner:LIGHTLAB IMAGING
Three-dimension imaging lidar
This invention is directed to a 3-dimensional imaging lidar, which utilizes modest power kHz rate lasers, array detectors, photon-counting multi-channel timing receivers, and dual wedge optical scanners with transmitter point-ahead correction to provide contiguous high spatial resolution mapping of surface features including ground, water, man-made objects, vegetation and submerged surfaces from an aircraft or a spacecraft.
Owner:UNITED STATES OF AMERICA AS REPRESENTED BY THE ADMINISTATOR OF THE NAT AERONAUTICS SPACE ADMINISTATION
Microfabricated integrated DNA analysis system
ActiveUS7799553B2Improve automationBig spaceBioreactor/fermenter combinationsElectrolysis componentsMicroreactorMicrosphere
Methods and apparatus for genome analysis are provided. A microfabricated structure including a microfluidic distribution channel is configured to distribute microreactor elements having copies of a sequencing template into a plurality of microfabricated thermal cycling chambers. A microreactor element may include a microcarrier element carrying the multiple copies of the sequencing template. The microcarrier element may comprise a microsphere. An autovalve at an exit port of a thermal cycling chamber, an optical scanner, or a timing arrangement may be used to ensure that only one microsphere will flow into one thermal cycling chamber wherein thermal cycling extension fragments are produced. The extension products are captured, purified, and concentrated in an integrated oligonucleotide gel capture chamber. A microfabricated component separation apparatus is used to analyze the purified extension fragments. The microfabricated structure may be used in a process for performing sequencing and other genetic analysis of DNA or RNA.
Owner:RGT UNIV OF CALIFORNIA
Systems and methods for scanning gaming chips placed on a gaming table
A gaming environment comprising a gaming table and a number of optical scanners capable of scanning and decoding machine-readable symbols carried by wagers that are placed approximately within a wagering on the gaming table. The optical scanners operate over specific ranges to capture the reflective light from the wager while excluding reflective light from other objects that are not intended to be scanned. The optical scanners may be located in a chip tray near the dealer, in the gaming table, or in a dealer's podium adjacent to a gaming table. Periodic scans of the wagers can produce measurements and information relevant to security, real-time accounting, and providing a basis for automatically allocating player benefits.
Owner:BALLY GAMING INT
Automatic surgical sponge counter and blood loss determination system
InactiveUS6998541B2Inhibition retentionEliminate dangerSurgical furnitureDiagnosticsOptical scannersRechargeable cell
A surgical sponge detection system includes a plurality of surgical sponges (2) having radio frequency identification tags (1) securely attached thereto and a non-optical hand-held reader (40) for detecting the sponges by detecting the tags (1). Also disclosed is a device (30) for automatically counting, weighing, and calculating blood loss contained within, soiled surgical sponges (2) which includes a cabinet with an opening (3) at the top through which sponges (2) are deposited, a reader (6) which scans each sponge (2) entered and determines sponge type from a tag (1) affixed to each sponge (2), and a disposable bag (8) into which the sponges (2) are deposited. The disposable bag (8) is removably mounted to a weighing scale (10); there is also a rear door (9) from which the disposable bag (8) can be easily removed, a rechargeable battery (11), a shelf (12) for unused disposable bag storage, a control unit (4) which processes data received from reader (6) and scale (10) and instantaneously calculates total weight of liquid contained within sponges entered, a display panel (5) continuously displays the number and type of sponges entered during a given procedure as well as the total weight of liquids retained in those sponges. There is a means for automatically determining the weight of the sponges when dry which includes a non-optical scanner means (6) which can read an indicating means (1) on the sponges (2) even when the indicating means (1) is covered with blood or other body fluids.
Owner:STRYKER CORP
Optical scanner and image forming apparatus
InactiveUS20070058255A1Easy to useHigh quality imagingDiffraction gratingsOptical scannersLight beam
An optical scanner includes a light source; a deflecting unit that deflects and scans a light beam emitted from the light source; a scanning optical system that focuses the light beam deflected and scanned onto different surfaces to be scanned; and a light quantity correcting unit that corrects a light quantity of the light beam. The light quantity correcting unit changes light quantity correction data used for correcting the light quantity of the light beam for each of the surfaces. The light quantity correction data is dependent on positions in a main scanning direction.
Owner:RICOH KK
Inflatable medical interfaces and other medcal devices, systems, and methods
An inflatable mask with two ocular cavities can seal against a user's face by forming an air-tight seal around the periphery of the user's eye socket. The sealed air-tight ocular cavity can be pressurized to take ocular measurements. The mask can conform to the contours of a user's face by inflating or deflating the mask. In addition, the distance between the user and a medical device (e.g. an optical coherence tomography instrument) can be adjusted by inflating or deflating the mask. Also disclosed herein is an electronic encounter portal and an automated eye examination. Other embodiments are also described.
Owner:ENVISION DIAGNOSTICS
Imaging system for an optical scanner
InactiveUS6355934B1Suitable for useBeam/ray focussing/reflecting arrangementsPhotometryOptical scannersLength wave
An imaging system comprises three or more sources for providing excitation radiation of different wavelengths, an objective lens for focusing one or more of the exitation wavelengths onto a sample to produce fluorescent emission, and a mirror, configured as a geometric beamsplitter, disposed in the transmission path of the emission radiation and excitation radiation subsequent to reflection from the sample and collimation by the lens, wherein the mirror is utilized to reflect one of the collimated exitation and emission radiation such that the emission is directed to a detector and the collimated exitation is directed away from the detector.
Owner:PACKARD INSTR CO INC
Methods for stent strut detection and related measurement and display using optical coherence tomography
Owner:LIGHTLAB IMAGING
Optical scanner and image forming apparatus
InactiveUS20060232660A1Correct difference of colorEasy to correctInking apparatusVisual representatino by photographic printingColor imageResist
An optical scanner is capable of effectively correcting a difference with respect to the sub-scanning direction between the positions of optical spots for scanning photoconductor drums of a tandem type color image forming apparatus. The optical scanner includes an optical axis adjusting part. The optical axis adjusting part uses a deflecting mirror or a wedge-shaped prism to deflect the optical axis of an optical beam with respect to the sub-scanning direction. As a result, it is possible to accurately correct a resist difference among individual image forming stations and form a high-quality color image without any color displacement.
Owner:RICOH KK
Digital watermarking apparatus and methods
ActiveUS20050111723A1Broaden applicationIncrease flexibilityElectric signal transmission systemsDigital data processing detailsOptical scannersHand held devices
The present invention relates to digital watermarking methods and systems. In one embodiment, a handheld device displays a digitally watermarked image at an event center. An optical scanner captures optical scan data representing the device display. A watermark decoder analyzes the captured optical scan data to obtain the watermark. The watermark is used to determine authorized entry. The handheld device may include a cell phone or other portable computing device.
Owner:DIGIMARC CORP (FORMERLY DMRC CORP)
Off-board tool with optical scanner
ActiveUS20060161390A1Vehicle testingElectric signal transmission systemsDiagnostic dataOptical scanners
Exemplary embodiments of an improved OBT are provided. General concepts of the invention include an OBT combined with an optical scanner. In one embodiment, the OBT includes a housing that at least partially retains a processor; vehicle communication circuitry for linking to a vehicle diagnostic system, and an optical reader for optically obtaining additional information. Another exemplary embodiment includes an OBT used in conjunction with a bar code scanner and / or a camera. In addition, a method of obtaining diagnostic data from the vehicle diagnostic system and optically obtaining information using an off-board device is provided.
Owner:SPX CORP
Optical scanning system with correction
A scanning system device has a predetermined aberration as it scans or switches light along selected optical paths. A deformable membrane receives the light and introduces an inverse “aberration” that offsets that of the scanning system. In one embodiment the scanning system includes a torsion arm that supports an oscillatory body. The torsion arm and / or body can be machined from metal, micromachined in silicon or formed in a variety of other ways. Alternatively, the scanning system may include a rotating polygonal scanner or other type of optical scanner. In another approach, an optical switch replaces the scanner.
Owner:MICROVISION +1
Scanner/optical system for three-dimensional lidar imaging and polarimetry
ActiveUS20070279615A1High repetition rateReduce solar background noiseOptical rangefindersColor television detailsOptical scannersLaser beams
An optical scanner system for contiguous three-dimensional topographic or volumetric imaging of a surface from an aircraft or spacecraft is disclosed. A servo controller synchronizes the rotation rates of a pair of wedge scanners with high precision to the multi-kilohertz laser fire rate producing an infinite variety of well-controlled scan patterns. This causes the beam pattern to be laid down in precisely the same way on each scan cycle, eliminating the need to record the orientations of the wedges accurately on every laser fire, thereby reducing ancillary data storage or transmission requirements by two to three orders of magnitude and greatly simplifying data preprocessing and analysis. The described system also uses a holographic element to split the laser beam into an array that is then scanned in an arbitrary pattern. This provides more uniform signal strength to the various imaging detector channels and reduces the level of optical crosstalk between channels, resulting in a higher fidelity three-dimensional image.
Owner:INTERGRAPH
Automatic surgical sponge counter and blood loss determination system
InactiveUS8105296B2Inhibition retentionEliminate dangerElectric signal transmission systemsSurgical furnitureOptical scannersHand held
Owner:STRYKER CORP
Off-board tool with optical scanner
Owner:SPX CORP
Optical scanning system with correction
InactiveUS7098871B1Light provideCathode-ray tube indicatorsPictoral communicationOptical scannersEngineering
A scanning system device has a predetermined aberration as it scans or switches light along selected optical paths. A deformable membrane receives the light and introduces an inverse “aberration” that offsets that of the scanning system. In one embodiment the scanning system includes a torsion arm that supports an oscillatory body. The torsion arm and / or body can be machined from metal, micromachined in silicon or formed in a variety of other ways. Alternatively, the scanning system may include a rotating polygonal scanner or other type of optical scanner. In another approach, an optical switch replaces the scanner.
Owner:MICROVISION
Universal tire pressure monitoring system tool and methods
ActiveUS20130106596A1Reduce the risk of lossRegistering/indicating working of vehiclesTyre measurementsElectronic communicationOptical scanners
Disclosed herein is an improved universal TPMS tool. According to one aspect of the tool, the tool can include a housing and a processor and a memory storage device positioned within the housing. The tool can optionally include a key pad positioned on the housing in communication with the processor for input of commands from a user, an electronic communication port positioned on the housing in communication with the processor, and an antenna for transmission and receipt of electronic information from the plurality of TPMS tire sensors. The tool can also include an optical scanner for reading indicia connected to the vehicle.
Owner:ATEQ CORP
Active matrix emissive display and optical scanner system, methods and applications
InactiveUS20070252005A1Extend battery lifeCathode-ray tube indicatorsSensing record carriersOptical scannersActive matrix
An active matrix emissive display (ED) is disclosed that also includes optical scanning capability. Each display pixel is independently addressable and independently internally driven for light generation. Each display pixel is also given the ability to be coupled to detection circuitry in order to sense currents or voltages that are optically generated or leaked by its internal LED when exposed to light (and thus acting in a photodiode capacity). Since the intensity of the light illuminating the diode determines the magnitude of generated currents and / or voltages or leakage current through the diode (when reverse biased), these sensed currents or voltages give an indication of the intensity of the light striking the pixel. In this manner, active matrix ED pixels are configured to serve the dual purpose of being able to generate and detect light.
Owner:KONICEK JEFFREY C
Optical scanner and image forming apparatus
An optical scanner includes a light source, an optical coupler, an optical line image unit, a deflector, and an optical scanning unit. The optical scanning unit includes scanning lenses that guide the beams to a surface to be scanned. A surface on the deflector side of the scanning lens closest to a deflection reflecting surface has a negative power in a vertical scanning direction, and is a special toric surface in which a radius of curvature in a vertical scanning changes from an optical axis of the lens surface toward a periphery of the horizontal scanning direction. An F number of the beams toward the surface to be scanned of the scanning lens in the vertical scanning direction is larger in a peripheral part than in a central part in an effective scanning width.
Owner:RICOH KK
Optical scanners
InactiveUS6164540AExpand the scope of workAdd depthCharacter and pattern recognitionSensing by electromagnetic radiationOptical scannersLight beam
An optical scanner with plural scan beam generation. Scan angle stress is configured in the beam generation.
Owner:SYMBOL TECH LLC
Manufacturing method of implant denture individualized positioning guide plate
InactiveCN101828974AGuaranteed manufacturing accuracyEasy to manufactureDental implantsAnatomical structuresBiomechanics
The invention relates to a manufacturing method of an implant denture individualized positioning guide plate in the technical field of tooth repair technologies, which comprises the steps of: firstly, establishing a three-dimensional model of anatomical structures of teeth, jaws, maxillary antrums, mandibular nerve conduits and the like according to oral cavity CT data of patients; secondly, carrying out virtual implanting on a solid modeled implant model, matching an implanted model with a patient oral cavity structural data model established after scanning a dental model by using an opticalscanner, determining the position of a guide hole of the positioning guide plate and the shape of a contact surface of gums, inserting a guide pipe in the guide hole; and thirdly, manufacturing a solid positioning guide plate. The solid positioning guide plate can provide optimal implanting position and direction to ensure the safety of an implanting technology and the long-term stability of an implant. The positioning guide plate can maximally utilize the bone quantity of the alveolar bone when in application. The invention can improve the efficiency and the accuracy of the implanting technology, ensure that the implanted implant accords with the biomechanical principle, and guarantee the repair aesthetic effect.
Owner:AFFILIATED STOMATOLOGICAL HOSPITAL OF NANJING MEDICAL UNIV
Product verification and activation system, method and apparatus
InactiveUS20050240498A1Unauthorized useAnimal feeding devicesUser identity/authority verificationOptical scannersElectrical connection
A verification and activation module for a product remembers where the product was purchased, the purchase date, purchase price, length of warranty, name and address of purchasing consumer, etc. The verification and activation module may enable operation of the product, enable operation of a replacement product and disable a defective product that has been replaced under warranty or after an out of warranty service exchange. It may be removable from the product and may be packed separately or installed in the product. It may be programmed at the time of product purchase using wireless means, e.g., radio frequency identification (RFID), infrared (IRD), or by direct electrical connection to a programmer at the point of sale. An optical scanner at the point of sale may be used to scan information from a UPC label on the product package and either through the wireless or direct electrical connection can program the verification and activation module from the scanned UPC and other information and additional information, e.g., store name and location, purchase price, purchase date, serial number of product, manufacturer, product model number, warranty duration, consumer name, address and other desired information. The verification and activation module may include a non-volatile memory. Warranty, repair and replacement histories may be retained for later retrieval in the non-volatile memory of the verification and activation module. The verification and activation module may also be used for security purposes to render the product inoperable if a certain security condition is not met.
Owner:THALER ARNOLD
Automatic surgical sponge counter and blood loss determination system
InactiveUS20060044137A1Inhibition retentionEliminate dangerElectric signal transmission systemsSurgical furnitureOptical scannersHand held
A surgical sponge detection system includes a plurality of surgical sponges (2) having radio frequency identification tags (1) securely attached thereto and a non-optical hand-held reader (40) for detecting the sponges by detecting the tags (1). Also disclosed is a device (30) for automatically counting, weighing, and calculating blood loss contained within, soiled surgical sponges (2) which includes a cabinet with an opening (3) at the top through which sponges (2) are deposited, a reader (6) which scans each sponge (2) entered and determines sponge type from a tag (1) affixed to each sponge (2), and a disposable bag (8) into which the sponges (2) are deposited. The disposable bag (8) is removably mounted to a weighing scale (10); there is also a rear door (9) from which the disposable bag (8) can be easily removed, a rechargeable battery (11), a shelf (12) for unused disposable bag storage, a control unit (4) which processes data received from reader (6) and scale (10) and instantaneously calculates total weight of liquid contained within sponges entered, a display panel (5) continuously displays the number and type of sponges entered during a given procedure as well as the total weight of liquids retained in those sponges. There is a means for automatically determining the weight of the sponges when dry which includes a non-optical scanner means (6) which can read an indicating means (1) on the sponges (2) even when the indicating means (1) is covered with blood or other body fluids.
Owner:STRYKER CORP
Lidar optical scanner system
ActiveUS20150260843A1Reduce system complexityImprove update rateOptical rangefindersCondensersRadarOptical scanners
An optical scanner system comprises a housing, a detector contained within the housing configured to produce at least two resolvable azimuth fields-of-view relative to a center-axis of the housing, and an external scanner rotating relative to the center-axis of the housing, and switching between at least two elevations relative to a nominal optical axis of a receiver. Motion of the housing azimuthally results in the receiver producing a continuous coverage pattern at multiple elevations produced by the external scanner.
Owner:GARMIN
Optical scanner and imaging apparatus using the same
InactiveUS6906739B2Good optical scanningOptical scanningElectrographic process apparatusPrintingLight spotOptical scanners
An optical scanner includes a light source modulated based on image data, an optical deflection and scanning part deflecting a light beam emitted from the light source, and a scanning and imaging optical system condensing the deflected light beam toward a scanning surface so as to form a light spot optically scanning the scanning surface. The effective scanning region of the scanning surface is divided into a plurality of regions according to a scanning line curving characteristic. Suitable image data for optically scanning the divided regions are selected from image data of a plurality of image lines every time the light spot optically scans the effective scanning region, so that the image data of each of the image lines is written with scanning line curving being corrected.
Owner:RICOH KK
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